Leading the Billboard Revolution: 15 OOH Agencies Empowering Enterprise Brands in 2025

When you’re running an enterprise brand, OOH advertising carries greater weight.

Campaigns operate on a larger scale and require flawless execution, and even the smallest of missteps can have a big impact.

Did you know U.S. Out-of-Home ad spend hit an all-time high in 2024, topping $9B, with digital OOH now making up 34% of the channel and growing 7.5% year over year? 

That growth reflects how enterprise brands are doubling down on scale, reach, and creative impact in the physical world.

You want partners who do this kind of work every day, who understand scale and know how to turn a brand into something unforgettable on the street, on transit, and across cities.

This list features agencies that know how to handle enterprise-level pressure.

They’re the ones with real systems, national reach, and creative that doesn’t feel like it came from a billboard in 2003.

In this article, you’ll find:

• A curated list of the Top 15 OOH agencies trusted by enterprise brands
• Examples of industries and major clients they serve
• Key services and differentiators for enterprise-level needs

Stay with us, your next OOH partner might be just a few lines away.

PS: If you want more than just billboards, we’ve got you. Explore our full roundup of top advertising agencies for enterprise brands.

TL;DR: Top Out-of-home (OOH) Advertising Agencies

1. Fieldtrip: Fieldtrip is a full-service agency that uses strategy, creative, media, and analytics as one agile framework. They specialize in connecting OOH with digital, social, and influencer channels, backed by real-time performance data. Their advertising campaigns extend across billboards, transit, retail, and experiential activations while integrating influencer content, podcasts, and video production.

2. inBeat: inBeat is an OOH and media buying partner with deep roots in influencer marketing. They leverage the top 2% of creators to amplify campaigns across TikTok, Instagram, and other social channels. By blending OOH placements with influencer-led content, they connect offline visibility with online performance outcomes. Beyond this, they offer PPC, SEO, paid social, and email marketing to drive enterprise-scale growth.

3. Out of Home International: A UK-based OOH agency that executes campaigns across billboards, buses, taxis, airports, and digital screens domestically and abroad. They excel at precision targeting with large-scale reach and are known for creative formats like QR-coded beer mats and scented taxis. 

4. OUTFRONT Media: OUTFRONT Media is one of North America’s largest OOH providers. Their smartSCOUT™ platform uses data from 90K+ assets and 13K+ audience traits to target with precision. Creative capabilities extend through OUTFRONT Studios and innovation labs. 

5. One Day Agency: One Day Agency is a cross-channel partner combining OOH, digital, TV, and audio across Europe and beyond. They use proprietary data tools to optimize placements and link offline with digital. Their campaigns often extend into Meta, YouTube, and Spotify, and create measurable engagement rates above advertising industry benchmarks. 

What is an OOH Advertising Agency?

An OOH advertising agency takes your brand story and makes it visible across outdoor spaces where people move daily. From giant digital billboards to targeted placements in airports or malls, these agencies know how to design brand visibility with impact. 

They combine data, creative planning, and execution to ensure your message lands where it matters most. For enterprise brands, they also handle scale, logistics, and performance tracking across multiple markets. 

Knowing what an OOH agency is sets the stage for understanding why they matter for enterprise brands:

Benefits of Hiring an OOH Advertising Agency

The upside of hiring an OOH partner becomes clear once you look at the challenges of running campaigns solo.

You Gain Scale Across Markets

When you work with an OOH agency, you tap into established relationships with media owners across cities, states, and even international markets. That reach is impossible to replicate in-house without years of negotiation power. 

A OAAA/Morning Consult study found that 78% of U.S. adults noticed some form of OOH advertising in the past seven days, showing just how extensive and consistent that reach can be. 

Instead of juggling dozens of vendors, you get one partner that consolidates buying power. That translates into stronger rates, guaranteed placements, and consistency across all the regions your enterprise brand needs to cover.

You Connect Creative With Real Environments

OOH agencies design campaigns with an understanding of how creative works in physical spaces. A digital-first design team might make something visually sharp, but only specialized agencies know how a 50-foot board reads from a highway or how a motion ad plays in a busy subway. 

This expertise ensures your campaigns are eye-catching and engineered to perform in real-world conditions. 

That difference matters when your spend runs into millions and your audience is split across multiple environments, which is why OOH consistently delivers results: industry data shows these campaigns return an average of $5 for every $1 invested.

You Measure Impact With Enterprise-Level Tools

Modern OOH agencies provide measurement frameworks designed for large brands. With geolocation data, mobile tracking, and audience analytics, you see how offline visibility links back to brand lift and even conversions. 

In fact, when brands pair OOH with mobile location data, ROI can improve by as much as 68% while conversion rates climb up to 60%. 

An experienced OOH agency provides measurable results, reach, frequency, and cost efficiency, that your CMO and finance team can evaluate directly. Instead of relying on assumptions, you can present verified performance data that aligns with enterprise reporting standards.

The theory is done, let’s check the agencies that make it real.

A Closer Look at the Most Prominent OOH Advertising Agencies

Here’s the shortlist of agencies delivering OOH campaigns designed for enterprise expectations.

1. Fieldtrip

Fieldtrip stands out as a top full-service marketing agency that combines strategy, creative, media, and measurement in a single agile framework. The result is campaigns that move fast and deliver measurable business growth.

For enterprise brands investing in OOH, this unified model eliminates silos and ensures campaigns move from planning to execution with speed and precision.

Their process begins with a strategic audit and growth roadmap that aligns brand goals with market opportunities. 

From there, Fieldtrip builds cohesive brand systems that extend seamlessly into out-of-home placements: billboards, transit, retail displays, or experiential activations. The agency’s cross-disciplinary teams monitor real-time data to adapt campaigns on the fly, and ensure that every impression is backed by creativity and performance.

What makes them stand out in OOH is how they connect physical placements with broader digital ecosystems. Fieldtrip produces content ranging from influencer collaborations to video and podcasts, then integrates these with traditional and digital media buys. 

Clients also get major benefits from their robust performance analytics which are layered across their OOH strategies. Fieldtrip measures outcomes beyond impressions, identifying how placements influence foot traffic, brand recall, and conversions. 

Notable work:

• ClearScore: They built performance, creative, and analytics systems that supported growth through micro-optimizations and continuous content updates.
• 7-Eleven: Fieldtrip delivered a large-scale influencer activation in stores nationwide, which sparked stronger brand recognition and converted that awareness into real-world visits.
• Hello Fresh: They scaled high-performing creative campaigns across Europe in seven languages, leveraging creator whitelisting on TikTok and Meta to extend reach and credibility.

Industries: Consumer Packaged Goods, Fashion, Beauty, Technology, Wellness, Sports, Gaming, Food And Beverage, and B2B

Notable clients: OpenAI, New Balance, Hurom, Miro, Nestlé, Hello Fresh, 7-Eleven

Key services:

• Out-of-home Advertising
• Digital Marketing
• Paid Social Media Campaigns
• Search Advertising Solutions (e.g., SEM)
• Programmatic Display & Video Campaigns
• Connected TV (CTV) Advertising
• Influencer Media Placements
• Podcast Production
• Video Content Production
• Social Media Management

Reason to work with Fieldtrip: They fuse OOH with digital, social, and influencer channels in a data-driven framework that ensures large-scale campaigns achieve both visibility and measurable growth.

2. inBeat

inBeat is a top OOH and media buying partner for enterprise brands that runs high-impact campaigns across billboards, transit, and digital out-of-home formats. 

Their placements are chosen with precision, ensuring maximum visibility while connecting offline impressions with measurable online outcomes. 

Through their OOH campaigns, the agency delivers enterprise brands the visibility they need while channeling that attention into measurable performance results.

inBeat truly stands apart with their unmatched knowledge and experience in influencer marketing. 

The agency connects brands with the top 2% of creators, those who consistently drive engagement and trust, transforming influencer partnerships into a repeatable, scalable engine for growth.

By blending OOH with creator-led content, inBeat extends campaign reach from the street to social platforms. 

A standout example is the NYC Votes campaign, where TikTok micro- and nano-influencers delivered 2.5M views, a 10-second average watch time, and 56% of viewers watching beyond the halfway mark. 

Beyond influencer and OOH activations, inBeat drives enterprise performance with PPC & Google Ads, go-to-market strategy, Meta campaigns, SEO, TikTok marketing, email marketing, and Snapchat advertising. 

Their cross-channel approach means every budget line works harder, tying branding, acquisition, and retention into one strategy.

Industries: Food & Beverage, Beauty, Mobile App, CPG and DTC brands, Retail, eCommerce, Agencies, Fashion

Notable clients: Bluehouse Salmon, Got Milk?, New Balance, Deux par Deux, Linktree, Hopper, Nissan, Disney, Hurom

Key services:

• OOH Media Placements
• Digital Outdoor Advertising
• Digital Marketing Services
• ABM Campaigns
• Link-Building
• Email Marketing
• Paid Media
• Social Media Management
• UGC Creation
• TikTok and Instagram Marketing & Advertising
• Micro-Influencer and Nano-Influencer Marketing
• SEO Solutions
• Content Marketing Services
• Creative Content Production
• Brand Development
• Product Marketing
• Lead Generation

Reason to work with inBeat: You get an agency that leads in influencer marketing, amplifies it through OOH and media buying, and powers growth with a full suite of digital performance services built for enterprise scale.

3. Out of Home International

Out of Home International is a UK-based agency that delivers full-service OOH campaigns across every major format.

The agency covers both domestic and international arenas with campaigns extending to Oman, UAE, Italy, France, Russia, Poland, and America.

One of their strengths lies in precision targeting at scale, and they also play with format innovation. 

From QR-coded beer mats for Quick Quid to perfume-scented taxis for Penhaligon’s, they design campaigns that stick in people’s minds and drive engagement beyond the first impression.

Industries: Travel and Transportation, Retail and Luxury Brands, Financial Services, FMCG and Consumer Goods, Entertainment and Media

Notable clients: Quick Quid, Bloomberg, Penhaligon

Key services:

• Strategic planning and media buying across outdoor formats
• Airport, billboard, interactive screens, bus, taxi, London Underground, and digital OOH advertising
• Programmatic and interactive OOH campaigns
• Audience measurement insights and ROI optimization

Reason to work with Out of Home International: You’ll access campaigns proven to reach more than 220K passengers in a single airport activation, alongside interactive formats like QR-coded beer mats and scented taxis that no other OOH agency matches.

4. OUTFRONT

OUTFRONT Media operates more than 500,000 OOH placements, including billboards, transit, and digital, in the U.S. markets and Canada, giving enterprise brands access to wide exposure.

Their smartSCOUT™ platform gives brands precision tools, drawing from 90,000+ assets across 50+ markets and 13,000+ audience characteristics to align campaigns with the right people at the right time.

The results are clear: For Swippitt, OUTFRONT ran a billboard on the I-10 during festival season to reach travelers heading to Coachella and Stagecoach. The campaign helped increase impressions, cut CPC by 70%, and reduce overall costs by 72%. This showed how a well-placed OOH campaign can support awareness for a start-up.

Industries: Retail and consumer brands, transit and transportation authorities, real estate and infrastructure owners, telecommunications and enterprise-level clients, government and public sector institutions

Notable clients: Sony, Amika, Belliwelli

Key services:

• Multi‑format outdoor advertising: digital OOH, billboards, transit ads, street furniture
• Ad‑tech solutions including programmatic buying, attribution, and smartSCOUT™
• Creative production through OUTFRONT Studios and innovation via XLabs and Moments by OUTFRONT
• Interactive and social‑connected experiences like QRad and Social OOH
• Audience insights, media preview tools, and strategic campaign planning

Reason to work with OUTFRONT Media: You’ll tap into a media network that reaches 70% of Americans weekly while pairing it with data-backed targeting that has delivered 59% ad recall and up to 18% purchase intent lift in real campaigns.

5. One Day Agency

One Day Agency operates as a fully integrated partner across creative, digital, OOH, TV, and radio, with offices in Manchester, London, Warsaw, Paris, and Berlin. 

Their OOH campaigns stretch far beyond Europe, running across EMEA, APAC, LATAM, and MENA, giving enterprise brands reach in markets that matter.

Instead of broad audience buckets, they apply proprietary first-party tools and behavioral insights to refine placements and frequency.

For YouFibre, they ran a hyperlocal campaign with 1,600+ billboards across 25 UK towns, combining first- and third-party data through their planning platform to accelerate sign-ups.

For Butternut Box, they mapped retail parks, supermarkets, malls, and roadside formats across Ireland, building frequency through Digital 6-Sheets, 96-Sheets, and large-scale placements. The activation lifted brand awareness and drove new subscriptions, confirmed by uplifts in Google Trends, brand search, and direct traffic.

Industries: eCommerce & Retail, Healthcare, Student/Youth Marketing, Cryptocurrency & Fintech, Destination & Travel, Food & Beverage, Real Estate, and more

Notable clients: Valla, YouFibre, Aramco, Tacis

Key services:

• Media planning and buying powered by proprietary tech and behavioural targeting
• Traditional and digital out-of-home advertising
• Audio touchpoints via radio, podcasts, and digital streaming platforms

Reason to work with One Day Agency: You’ll get a partner that connects 1,600+ hyperlocal OOH placements with digital extensions driving over 2.4 million impressions and engagement rates as high as 16.5%.

6. oOh!media

oOh!media is headquartered in Sydney and commands an OOH network across Australia and New Zealand. 

Their reach covers classic and digital billboards, rail, street furniture, airports, retail, CBD office towers, and campus hubs, and gives enterprise brands a nationwide presence with scale.

They lead with data, using proprietary platforms like oOh! outcomes to analyze 800 buyer segments across 35,000+ sites, supported by insights from Flybuys and Westpac DataX.

Across campaigns, clients average a 25% increase in sales, which jumps to 40% when OOH is combined with TV and digital. These are consistent outcomes tracked across 20+ metrics for over 40 brands.

Some cases stand out. A cosmetics brand saw a 146.7% sales increase, while an FMCG product achieved 122.7%, highlighting the depth of impact when data and placement align.

Industries: Retail and consumer brands, travel and public transport (airports, rail networks), office environments and professional services, small-to-medium local businesses

Notable clients: Rexona, Oak Chocolate, ANZ Falcon

Key services:

• Planning and buying across digital and classic Out-of-Home environments (roads, billboards, street furniture, retail, airports, rail, office, study spaces)
• Audience-led planning
• In-house creative ideation
• Campaign inspiration, best practices, and booking support tools
• Tailored solutions for media agencies, creative agencies, brands, and local businesses

Reason to work with oOh!media: You’ll gain access to 35,000+ sites and data-driven tools that have delivered sales uplifts ranging from 25% on average to over 146% in standout campaigns.

7. Vigyapan Mart

Vigyapan Mart combines classic OOH formats like billboards, hoardings, and metro ads with forward-looking options such as drone displays and QR-activated signage. 

All of it is powered by their in-house AI planning platform, which helps brands cut through clutter with precision.

Campaigns are tracked on traffic, web impressions, sales uplift, QR code scans, and recall, which gives enterprise clients full visibility into outcomes.

Over just a decade, Vigyapan Mart has partnered with 40+ brands and driven an 11% CAGR in customer revenues, showing sustained returns year after year.

And they have case studies that show their success, such as a large Pokerbaazi hoarding featuring Bollywood actor Shahid Kapoor, placed outside a mall with a bright blue sky in the background. This work highlighted their ability to deliver high-profile visibility.

Industries: Real Estate, Telecom, Banking and financial institutions, eCommerce, Media and entertainment, Automotive, Advertising Шndustry

Notable clients: Uber, Luminous, TVS

Key services:

• Billboard, hoarding, and newsstand advertising
• AI creative optimization
• Digital displays
• Auto, bus, bus shelter, and metro train/station advertising
• Urban panels, street poles, city information pillars
• Full-service campaign design: creative, install, maintenance, and permitting
• Audience targeting via ground surveys, psychographics, and brand positioning

Reason to work with Vigyapan Mart: You’ll work with a team that’s delivered 11% CAGR in customer revenues while blending AI-driven planning with formats ranging from drone displays to QR-activated signage.

8. Excite OOH

Excite OOH is an independent UK-based agency operating from London and Manchester that delivers campaigns across 100+ countries for brands with global ambition. 

Their mix of scale and agility allows them to shape strategies that cut through in both local and international markets.

They bring together programmatic DOOH, creative production (including 3D builds) and precise media buying to craft executions that stand out and run smoothly.

Their planning approach relies on interactive mapping, reach and frequency data, traffic and travel surveys, plus real-time performance tracking to turn intricate OOH logistics into clear, actionable campaigns.

One example is their work with PizzaExpress. As the brand refurbished restaurants across the UK and Ireland, Excite OOH placed formats like rail, roadside, and shopping centre ads in close proximity to each location. 

Industries: Hospitality, Transport & Logistics, Fitness & Lifestyle, Sports & Entertainment, Fashion & Retail, Travel & Tourism, Food & Beverage, Advertising Industry

Notable clients: PizzaExpress, Addison Lee, Fitness First

Key services:

• Media Planning & Strategy
• Media Buying & Trading
• Creative & Production
• Insights & Research
• Programmatic Advertising

Reason to work with Excite OOH: You’ll get a partner that executes in 100+ countries while proving local impact, such as driving higher restaurant footfall for PizzaExpress through targeted rail, roadside, and shopping centre placements.

9. Evolve Out Of Home

Evolve OOH, founded in London in 2018 and now part of Talon Outdoor, is an independent specialist delivering creative, data-driven campaigns across the UK and global markets. 

At the core of their process is EiQ, a proprietary planning and measurement engine that uses mobile and behavioral data with pre- and post-campaign research to make decisions faster and more accurate.

They operate in 65+ markets, manage inventory from 300+ media owners, and cover 50+ environments, giving enterprise clients worldwide reach paired with market-level targeting.

For De Beers, Evolve deployed large-format banners and 100 branded taxis around Harrods and Old Bond Street during a key gifting season. The campaign drove measurable lifts, including +114% unprompted awareness, +24% positive brand perception, and a +10.5% increase in purchase intent.

Industries: Technology platforms, consumer goods and lifestyle brands, international retail and B2B services, urban‑driven sectors like travel and leisure

Notable clients: Genesis, Notion, The Lego Group

Key services:

• Strategic Planning
• Trading Optimisationevolveooh.com
• Production & Innovation
• Pre- and post-campaign Research

Reason to work with Evolve OOH: You’ll get access to 65+ markets and EiQ data planning, proven by campaigns like Genesis where web traffic jumped 180% and showroom visits rose 33%.

10. Talon

Talon Outdoor is an independently owned OOH media agency, headquartered in London and active in 100+ markets across Europe, MENA, North America, and APAC. 

They have 12 global offices, partnerships with 80+ agencies, and a client roster of 500+ brands.

Their offering spans proprietary planning technology, creative storytelling, and media buying, all tied to clear performance tracking that gives enterprise clients full confidence in campaign impact.

They specialize in turning OOH into experiences. For Pepsi’s launch of new zero-sugar flavors on Oxford Street, Talon transformed Future Stores into a live activation with retro arcade games, queues around the block, and branded giveaways. 

Over four days, the campaign combined sampling, gaming, and engagement to drive visibility far beyond a standard ad.

Industries: Consumer Brands & Retail, Automotive & Travel, Entertainment & Media, Healthcare & FMCG, Financial Services & Tech Platforms, Mobile Network Operators

Notable clients: Specasavers, Puma, Pepsi

Key services:

• Technology platforms
• Creative execution
• Strategic planning
• Market Research
• Effectiveness & measurement

Reason to work with Talon Outdoor: You’ll work with an agency trusted by 500+ brands worldwide, capable of delivering campaigns that range from large-scale media coverage to immersive activations like Pepsi’s Oxford Street takeover.

11. Lamar Advertising

Lamar Advertising, founded in 1902, is an OOH agency with over 360,000 displays across the United States and Canada. 

Their inventory spans static and digital billboards, wallscapes, transit ads formats, airport signage, street furniture, and programmatic DOOH.

Their strength lies in pairing heritage with innovation, and offering reach and consistency across markets while layering on advanced digital capabilities.

The Molly’s Spirits campaign in Denver shows the impact. Over a year, Lamar deployed billboards, bus ads, and light rail displays. The campaign translated into a 20% lift in delivery sales and a 23% increase in-store, which directly enabled Molly’s to open a second location in 2019.

For Hyatt Andaz, Lamar delivered a luxury-focused DOOH campaign with dynamic visuals across high-traffic travel hubs. The result was stronger visibility, reinforced brand association with upscale hospitality, and inspiration for future stays.

Industries: Retail & Consumer Goods, Food & Beverage and Quick-service Restaurants, Healthcare & Financial Services, Real Estate & Automotive, Travel, Hospitality, & Entertainment, and more

Notable clients: Molly’s Spirits, Hyatt Andaz, Travel Texas

Key services:

• Out-of-Home Campaigns
• Billboards & Wallscapes, City Information Panels
• Digital Billboards & Programmatic DOOH
• Transit & Airport Advertising
• Free Design Services
• Inventory & Office Network
• Community & Environmental Initiatives

Reason to work with Lamar Advertising: You’ll access 360,000+ displays across North America with proven case outcomes, such as driving 20% delivery sales growth and 23% in-store sales growth for Molly’s Spirits.

12. Ocean Outdoor

Ocean Outdoor operates across the UK, Netherlands, Nordics, and Germany and transforms city spaces into brand stages that combine reach with creative depth. Their network connects enterprise brands to audiences in premium urban environments where attention carries weight.

Through Ocean Labs, they bring campaigns to life with technology like DeepScreen®, real-time interactivity, augmented reality, and motion-driven formats designed for engagement and shareability.

Every week, Ocean delivers 65 million advertising impressions, reaching 30% of AB social grade audiences and securing 18% penetration among the highest-value ACORN segments.

Their philosophy is summed up in their own words: 

“Our art is turning Spaces into Places™.”

This ethos drives both their creativity and their consistent audience impact.

Industries: Consumer brands and retail, entertainment and cultural sectors, tech and lifestyle campaigns, transport, travel, and landmark venue activations, regional and national tourism and awareness efforts

Notable clients: Landsec, BFI, Wesfield

Key services:

• Insight-driven location strategy using neuroscience and audience data
• Creative execution via 3D DeepScreen®, Augmented Reality (mobile and screen), special builds, and live-data content
• In-house production and innovation via Ocean Studios and Ocean Labs
• Annual Digital Creative Competition to spotlight creative innovation
• Campaign measurement and effectiveness evaluation with partners

Reason to work with Ocean Outdoor: You’ll connect with 65 million weekly impressions while accessing innovations like DeepScreen® and AR that turn high-traffic spaces into immersive brand experiences.

13. Brand Board Media

Brand Board Media (BBM), founded in 2018 and headquartered in Ahmedabad, is a creative agency that places OOH at the heart of its full-spectrum branding services. 

With 300+ completed projects across 10+ countries and a lean team of 55+ professionals, they deliver the agility of a boutique with the reach of a global player.

Their OOH work covers billboards, transit, street furniture, POS, malls, and airports, while also offering digital alternatives that ensure visibility across key urban touchpoints.

They expand beyond outdoor by integrating media planning, print, video production, and digital marketing, creating unified campaigns for brands that need both presence and consistency.

Here’s an example of their work:

Industries: Real Estate & Property Developers, Healthcare & Hospitals, Retail & Local Businesses, Education, Various Regional Brands

Notable clients: Bang Bang, Bluerim, GITA

Key services:

• Traditional and digital billboard advertising and hoardings
• Transit advertising, including buses, taxis, rickshaws
• Point-of-sale displays for impactful check-out messaging
• Shopping mall promotions, from standees to mascots
• Street furniture transformations: benches, phone kiosks, racks turned into branded spaces
• Programmatic advertising

Reason to work with Brand Board Media (BBM): You’ll collaborate with a 55+ person team that has delivered 300+ projects across 10+ countries with creativity and scale.

14. Intersection

Intersection uses OOH media and urban technology to transform public spaces into storytelling hubs. 

Their portfolio includes free gigabit Wi-Fi kiosks, transit digital displays, and wayfinding systems across top U.S. cities, where advertising merges with smart-city amenities.

Their digital and static assets give enterprise brands a presence in the country’s most competitive urban centers.

They integrate programmatic DOOH through Broadsign Reach, connecting 5,500+ displays into DSPs to deliver 3.5 billion+ gross impressions monthly. This flexibility allows for dynamic buys tailored to shifting audience behaviors.

Their innovation extends beyond media. Their IRLX experiential arm builds pop-ups, influencer activations, and immersive environments at street level, creating branded experiences that drive cultural relevance.

Industries: Travel and transportation, Consumer packaged goods and retail, Quick service restaurants (QSR), Pharmaceuticals, Online and eCommerce brands, Sports and entertainment

Notable clients: Expedia, Alfri

Key services:

• Street‑Level & Transit Media+2
• Transit & Station Takeovers
• Airport & Air Travel Advertising
• Media Buying Flexibility
• Creative Labs & Production

Reason to work with Intersection: You’ll tap into 400,000+ assets reaching 50 million people monthly while accessing programmatic DOOH at 3.5 billion+ gross impressions and experiential activations through IRLX.

15. OOhyes

OOhyes is an independent UK-based OOH planning and buying specialist that gives brands access to inventory from over 250 media suppliers. 

This breadth ensures enterprise advertisers can secure placements across every major format and location.

Led by founder George Rossides, the agency combines scale with a high-touch approach and guides clients from research through to post-campaign reporting.

Their offering covers billboards, transit, ambient, and digital formats, designed to match the right channel mix with campaign objectives.

Industries: Luxury Fashion & Beauty, Entertainment & Sport, Retail & Local Businesses, Charities & Social Causes, SME & Challenger Brands

Notable clients: Blind Veterans UK, Hugo Boss, Heineken

Key services:

• Bespoke OOH planning and buying
• Access to the UK’s largest OOH network via 250+ media suppliers
• Media-neutral strategy development
• Tactical and flexible DOOH execution
• Hands-on campaign management, 

Reason to work with OOhyes: You’ll gain access to 250+ UK media suppliers with leadership experience spanning 20 years, backed by campaigns that have achieved 662 million potential press reach.

What to Consider When Choosing an OOH Advertising Agency

All of the agencies we mentioned bring creative excellence, but every enterprise brand should filter agencies through these factors before making a move:

Make Sure They Know Local Laws and Media Regulations

Enterprise OOH campaigns cross cities, states, and countries, and each one comes with its own rules. Permits, zoning laws, ad content restrictions, even billboard spacing…these change fast and vary widely. 

If an agency can't navigate this for you, you're risking delays, fines, or pulled campaigns. Just like when New York City’s Department of Buildings forced Victoria’s Secret to remove two oversized Fifth Avenue billboards in April 2025, issuing six violations that carried potential fines of up to $150,000. 

Ask them what cities they’ve worked in recently and how they handled compliance. A good partner will have a legal checklist built into planning. A weak one will say, “We figure that out once we book the space.”

Check Integration With Other Channels

OOH at enterprise scale works best when it amplifies digital, social, and retail campaigns. Agencies with integration skills make outdoor placements fuel multi-channel performance instead of operating in isolation.

Research shows that brands combining OOH with TV and digital channels achieve up to 27% higher ROI, which proves how critical cross-channel alignment is for performance. 

Ask how they connect OOH data with CRM, social campaigns, or programmatic tools. Red flag if they treat OOH as a silo and can’t explain cross-channel workflows.

Demand Transparency On Margins and Media Costs

OOH media buying involves layers of brokers, rate cards, and vendor deals, especially in enterprise settings where scale adds even more complexity. If an agency keeps you in the dark, you’re probably paying more than you should. And without transparency, there’s no way to audit your ROI.

In fact, in H1 2025 nearly all programmatic OOH spend (96%) was routed through private marketplace deals precisely because buyers demanded clear pricing and reliable inventory. 

Ask for clear breakdowns of media costs versus service fees. Agencies working at scale should show what percentage goes to placement, production, and agency markup. If the math looks fuzzy or the line items feel padded, walk away.

Wrapping Up

This article gave you a straight look at the top OOH advertising agencies built for enterprise brands. Each one has the track record, reach, and systems to run campaigns that matter at scale.

When you hire the right agency, your brand gains outcomes that generalists rarely deliver. You secure prime placements faster, you generate higher visibility across markets, and you walk away with proof of impact tied to real business growth.

If you want partners that consistently perform, Fieldtrip and inBeat deserve a serious look. Both bring enterprise-level experience, clear processes, and the ability to deliver campaigns that work under pressure. Choosing either puts you in safe hands.

At this point, the shortlist is in your hands. Pick the agency that matches your goals and campaign vision. You now have the clarity to make a decision that pushes your brand forward with confidence.

P.S: OOH is one piece of the puzzle, global strategy is the bigger picture. See our roundup of the best international marketing agencies for enterprise brands.

Frequently Asked Questions

How much does OOH advertising cost?

Costs vary a lot based on format, location, and duration. A bulletin-sized billboard can run anywhere from $750 per month in smaller areas to over $30,000 in big cities, with production costs on top for printing or digital setup. For example, airport advertising costs range from $1,500 to $14,500 per month, depending on the airport and the type of out-of-home placement. Taxi advertising runs between $200 and $1,950 per month, allowing your message to move throughout the city.

Why should you hire an OOH advertising agency for your enterprise brand?

An OOH agency secures placements you would struggle to access alone. They manage permits, negotiate prime spots, and plan advertising campaigns across multiple regions. You gain measurable outcomes like stronger reach and consistent visibility. They also align creative with real-world conditions so your ads perform. For an enterprise brand, this partnership saves wasted spend and accelerates results, especially when working with leading outdoor advertising companies that know how to scale.

Are OOH advertising agencies worth it?

Yes, especially when your brand operates at enterprise scale. Agencies manage vendor relationships, creative adaptation, and campaign execution under one roof. That consolidation keeps your campaigns efficient and consistent. They also bring tech for tracking exposure through digital out-of-home and audience lift. For large budgets, the efficiency and data justify the agency fee many times over.

What’s the difference between a generalist agency and an enterprise-focused OOH advertising agency?

A generalist agency manages a mix of channels but rarely runs OOH at enterprise scale. An enterprise-focused OOH agency only works with outdoor media with deep vendor networks. They know how to secure placements across multiple cities or countries simultaneously, including high-traffic areas like public transport hubs. Their tools and processes are built for enterprise reporting, compliance, and campaign strategy that aligns with broader business goals.

How do I choose the best OOH advertising agency?

Start with compliance: ask which cities they’ve run campaigns in and how they handled local rules. Check their ability to integrate OOH with your digital screens, digital signage software, and retail channels, since cross-channel campaigns deliver stronger ROI. Push for full transparency on margins and media costs, with clear breakdowns of placements, production, and fees. A strong partner proves control over laws, integration, and budgets before the contract is signed, while also bringing the market research and insights needed to maximize your spend.