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Top Adtech Companies in Denver & Boulder, CO (240)

Magnite
AdTech • Big Data • Digital Media • Software
19 Offices
950 Employees
74 Benefits Hiring Now
Magnite (NASDAQ: MGNI) is the world’s largest independent sell-side advertising platform.

Together, we power advertising that enables billions of people to stay informed, entertained, and connected. We introduce them to new ideas, products, and services that make their lives better. And we help media owners of all sizes realize their full potential. That’s a lot — that’s the power of advertising. But it’s only possible with great technology. And that’s where Magnite...

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Magnite

Magnite's Top Stability & Growth Strengths

Profitability: Adjusted EBITDA and margins expanded, with Q2 2026 EBITDA up 30% year over year and margin improving to 37%, alongside higher net income. This pattern indicates operating leverage as earnings outpace the top line.

Strong Revenue Growth: Revenue rose 7% in 2025 and accelerated to 11% year over year in Q2 2026, with multiple sequential quarters showing improving trends. The recent trajectory points to faster growth rather than a flat profile.

Healthy Cash Flow: Free cash flow is guided to grow at more than 30% for 2026 and was later raised to the high-40% range, while Q2 2026 generated $57.4M in operating cash. Debt reduction in 1H 2026, including repayment of $205M in convertibles, further supports balance-sheet strength.

NBCUniversal
AdTech • Cloud • Digital Media • Information Technology • News + Entertainment • App development
NBCUniversal has a rich history of evolving the media and entertainment industry.

NBCUniversal is one of the world's leading media and entertainment companies. We create world-class content, which we distribute across our portfolio of film, television, and streaming, and bring to life through our global theme park destinations, consumer products, and experiences. We own and operate leading entertainment and news brands, including NBC, NBC News, NBC Sports, Telemundo, NBC Local Stations, Bravo,...

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NBCUniversal

NBCUniversal's Top Stability & Growth Strengths

Strong Revenue Growth: Recent results show Peacock revenue up 54% year over year to $1.90 billion, Studios up 25% to about $3 billion, and NBCUniversal media and theme-park revenue up 23% to $10.7 billion in Q2 2026. Earlier in 2026, the parks business also rose 24% on the launch of Epic Universe.

Profitability: Peacock reached a key inflection with its first quarterly pre-tax profit of $189 million alongside paid subscribers rising to 48 million in Q2 2026. This points to improving streaming economics within the portfolio.

Future-Ready Strategy: Management is reshaping the portfolio by planning to spin off NBCUniversal and Sky into a standalone public company positioned to pursue growth across parks, film/TV, streaming, sports and news. The 2025 shareholder letter also highlights studios, streaming and parks as principal growth drivers representing a large share of Comcast’s revenue.

AdAction
AdTech • Digital Media • Marketing Tech • Mobile
3 Offices
50 Employees
42 Benefits Hiring Now
Quality User Acquisition at Scale

At AdAction, we’re revolutionizing how brands connect with audiences through the power of mobile technology. As leaders in performance-driven marketing, we create innovative solutions that merge supply, loyalty, and rewards into seamless, mobile-first strategies. Our platform empowers brands and app developers to drive engagement, boost retention, and achieve sustainable growth by delivering personalized, reward-based experiences that foster genuine connections. With cutting-edge...

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AdAction

AdAction's Top Stability & Growth Strengths

Product Line Growth: Evidence suggests AdAction has expanded beyond traditional mobile user acquisition, launching Prism and introducing AdGem Play while positioning its portfolio across acquisition, engagement, loyalty, and monetization. This points to a broader addressable market and new use cases.

Market Expansion: Company materials highlight a global footprint across 180+ countries with growing inventory and more than a billion cumulative conversions, indicating expanding network scale and reach. Visibility across multiple categories in a recent ROI index further underscores wider activity in the ecosystem.

Strategic Partnerships: Announcements such as the partnership with PDI Technologies to bring AdGem Play into convenience‑retail loyalty programs signal deepening ties with enterprise ecosystems. Such moves extend distribution into loyalty channels and can create additional avenues for growth.

Datalot
AdTech
3 Offices
173 Employees
18 Benefits

Datalot is building some of the most innovative online advertising technology for the insurance industry. As it turns out, it's also fun, exciting and rewarding! We work with an insane amount of real-time data, and we see the performance and results of our platform almost immediately - all day, every day. Founded in 2009, and funded by some of the most...

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Datalot
WebAct
AdTech • eCommerce
Denver

WebAct is a drag-and-drop website builder with some amazing features that you can insert quick and easy. We also offer social media marketing as well as online marketing with google and mircosoft. Whether your an restaurant chain or a clothing store that sells online and in store we have features that will work for your business! We are always here...

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WebAct
New American Colonies
AdTech • eCommerce
Colorado Springs
4 Employees

 New American Colonies is a nationwide trade network of responsible, American-owned companies who understand the importance of supporting small businesses, American manufacturing, and local, family-farm agriculture in fueling our country’s engines of economic growth.Among other things, it is designed to:Promote the products & services of American industry.Promote U.S. travel and tourism.Promote new business development through direct marketing and other home-Based...

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New American Colonies
Boulder Video
AdTech • Digital Media
Boulder
5 Employees

Boulder Video Media offers effective solutions to create scalable lead generation campaigns all bound by client-led success metrics. We thrive to deliver high volume traffic to clients through accountable and measurable results.As a digital agency, our success can only be measured by how happy our clients are.

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Boulder Video
Rebel AI
AdTech • Big Data • Marketing Tech • Software
Louisville
10 Benefits
Rebel AI builds big data products for advertisers and marketers.

Rebel AI brings simplicity and scale to digital advertising with products built to protect and secure programmatic media trading between premium publishers and advertisers. Our patent-pending technology establishes a digital identity for each participant in the advertising ecosystem, and protects that identity using cryptography.

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Rebel AI
Dominion Enterprises
AdTech • Marketing Tech
25 Offices
1,300 Employees
32 Benefits

Dominion Enterprises is a leading marketing services company serving the wide-ranging needs of many industries including real estate, automotive, and travel. Dominion Enterprises was established in September 2006 following a division of assets of its predecessor company, Trader Publishing Company, between shared owners Landmark and Cox Communications, Inc. Today, with our classified advertising, publishing, technology, data and Web products and services,...

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Dominion Enterprises
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Strategus
AdTech • Marketing Tech
Englewood
Hiring Now

Strategus is a full-stack programmatic platform that offers data-driven, audience identification and targeted delivery. Our innovative ad tech and high touch campaign management drives custom, full-funnel, cross-device solutions. We pioneered programmatic OTT advertising and are relentlessly pursuing what’s next.

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Strategus
Ignite OPM
AdTech
Denver

Ignite is a performance-focused marketing agency. Our team has a proven track record with some of the biggest brands online. We come to work every day with a passion for driving online sales, a creative can-do culture, and a conviction that we achieve the biggest wins through strategic collaboration with our clients.

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Ignite OPM
Epsilon
AdTech • Digital Media • Marketing Tech
30 Offices
8,000 Employees
43 Benefits
Marketing built on proof, not promises.

When you’re one of us, you get to run with the best. For decades, we’ve been helping marketers from the world’s top brands personalize experiences for millions of people with our cutting-edge technology, solutions and services. Epsilon’s best-in-class identity gives brands a clear, privacy-safe view of their customers, which they can use across our suite of digital media, messaging and...

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Epsilon

Epsilon's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent analyst evaluations place Epsilon as a Leader in Forrester’s Loyalty Platforms (Q4 2025) and IDC recognizes its clean‑room technology, signaling strength in loyalty and identity‑led activation. CORE ID and its role in retail media (e.g., CitrusAd powered by Epsilon and the John Lewis Partnership expansion) reinforce differentiated positioning.

Investor Backing & Capital Strength: As part of Publicis Groupe, Epsilon benefits from a scaled, growing parent that is actively investing in data and identity, including the definitive agreement to acquire LiveRamp (~$2.17B EV). Group filings and communications emphasize Epsilon’s centrality to an integrated media‑and‑data go‑to‑market.

Strong Revenue Growth: Epsilon finished 2023 at +9.6% organic growth, with management later calling out “almost +10%” for combined media and Epsilon activities in Q3 2024. The broader group reported +5.6% organic growth in 2025 and raised 2026 guidance to +4.5%–+5.0%, providing a supportive growth backdrop for Epsilon’s capabilities.

Blue Lite Marketing Company
AdTech • Enterprise Web
Colorado

 Website Design Website Development Email Marketing Local Search Engine Optimization Social Media Marketing Pay Per Click AdvertisingThese services help small business succeed online and compete with bigger business.

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Blue Lite Marketing Company
Elteve
AdTech
Fully Remote
4 Employees
1 Benefits
The first self-serve ad platform which allows businesses to create custom shipping labels tied to advertising campaigns.

Here’s how it works. Users create and design shipping labels with elteve’s built-in editor or choose from pre-designed templates. These labels feature QR codes and typically the company’s logo. It can also include a tailored message for the end consumer. Once the label and QR codes are designed, merchants print the shipping label as they normally would. Businesses can also...

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Elteve
Groundwrk
AdTech
Denver
8 Employees

We build brands and websites.

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Groundwrk
Bold Orange
AdTech • Information Technology • Marketing Tech
5 Offices
103 Employees
19 Benefits

Bold Orange is a customer experience agency helping brands with end-to-end CX needs inclusive of go-to-market experiences, content, UX/UI, loyalty and CRM, performance marketing, digital media and Salesforce Marketing Cloud implementation.

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Bold Orange
Prosperent
AdTech • eCommerce
Denver
4 Employees

Prosperent serves millions of targeted performance ads on the web each month through our Performance Ads, ProsperLinks and Application Programming Interface (API). No other service is easier for publishers to monetize their traffic and for advertisers to target and reach customers in multiple countries. Prosperent's growing list of advertising partners includes a diverse range of Fortune 500 brands and hundreds...

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Prosperent
Two Top Marketing
AdTech • Enterprise Web
Denver

At Two Top Marketing, we understand the challenges facing independent restaurants in the Denver metro area. We also understand the importance of supporting local restaurants over the large corporate chains. We want to make sure that independent restaurant owners can compete, and thrive, in a tough market.

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Two Top Marketing
EmSpot
AdTech • Legal Tech
Denver

EmSpot is a marketing and online business development company which helps entrepreneurs and businesses design, develop, package, and position their businesses online for growth. EmSpot is a Colorado-based creative and web marketing strategy company. We help businesses, entrepreneurs, startups and organizations from startup to growth phase through powerful branding web design and development and marketing strategy and automation.Most entrepreneurs and businesses...

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EmSpot
Suited Connector
AdTech • Consumer Web • Digital Media • Information Technology • Marketing Tech
Englewood
75 Employees
41 Benefits
We connect consumers and clients to better their financial goals.

Suited Connector is a one-of-a-kind data solutions and marketing technology (MarTech) platform that fuels new customer growth and extends customer retention at scale across all consumer verticals including yet not limited to financial services, home services, and insurance. MarTech services are in high demand for major brands looking for new (profitable) revenue streams and increasing consumer lifetime value. These services are even...

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Suited Connector

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