Best AdTech Companies in Colorado, United States
The 54 best AdTech companies in Colorado, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: sovrn.
Ranked: Best AdTech companies in Colorado
| # | Company | Disclosed funding | Last round | Employees | Stage | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | sovrn Sovrn is a publisher technology platform that offers services to online publishers to help them operate and… | $100M | 47 mo ago | 250 195 → 125 (-36%) | Acquired | 2005 | WordPress Block EditorWordPressMySQL+28 | — | 1 launch |
| 2 | Altitude Digital Partners Provider of programmatic video advertising solutions and digital marketing strategies | $54M | 123 mo ago | 85 | Early Stage | 2009 | — | — | — |
| 3 | Choozle Provider of a self-service platform for programmatic advertising campaign management | $30M | 62 mo ago | 84 84 → 52 (-38%) | Series C | 2012 | Amazon WebstoreWordPressMySQL+36 | — | 1 partnership |
| 4 | OneRiot Advertising network for Twitter Apps | $22M | 202 mo ago | 28 | Acqui-Hired | 2006 | — | — | — |
| 5 | AdHawk Management of Digital Advertising Metrics | $18M | 85 mo ago | — | Series B | 2015 | — | 2 patents Online advertising platform for creating and delivering digital media assets | — |
| 6 | Trueffect People-Based Digital Marketing Platform | $14M | 144 mo ago | 8 | Deadpooled | 2002 | — | 31 patents First‑party advertising data management and measurement platform for online ad serving | — |
| 7 | SpotX Online video ad serving platform | $12M | 186 mo ago | 247 | Acquired | 2007 | — | — | — |
| 8 | SpotX Online video advertising platform | $12M | 187 mo ago | 314 | Acqui-Hired | 2006 | — | — | — |
| 9 | Brandzooka Video advertising for small advertisers | $10M | 18 mo ago | 27 | Series A | 2015 | — | — | — |
| 10 | LinkSmart Delivers brand content with premium publishers | $10M | 158 mo ago | 180 | Acquired | 2009 | — | — | — |
| 11 | Cloud Campaign Cloud based platform offering social media management software | $7M | 61 mo ago | 27 27 → 38 (+41%) | Series A | 2017 | Webflow EcommerceWebflowGSAP+39 | — | — |
| 12 | Roximity Provider of an iBeacon-powered location advertising platform | $3M | 127 mo ago | 1 | Acqui-Hired | 2012 | — | 2 patents Secure beacon communication protocols for IoT device authentication and tracking | — |
| 13 | Adpay Online classified advertising solution provider | $3M | 212 mo ago | 10 | Acquired | 2002 | — | 3 patents Online ad inventory marketplace enabling internet-based ad item sales | — |
| 14 | Zvelo Cyber threat intelligence and web classification solutions for a safer internet | $3M | 125 mo ago | 17 17 → 38 (+124%) | Public | 1984 | WordPressMySQLPHP+31 | 7 patents Cloud-based managed services platform for network and security orchestration | 1 job opening |
| 15 | FeedMob Platform offering mobile ad analytics solution | $3M | 99 mo ago | 26 26 → 48 (+85%) | Seed | 2015 | WordPressMySQLFroala Editor+25 | — | — |
| 16 | Smart Media Tech Self-serve audience activation and real-time programmatic buying platform | $2M | 4 mo ago | 148 | Seed | 2019 | WebflowGSAPAmazon Web Services+19 | — | — |
| 17 | ConnectionEng connects, analyzes and provides insights on customer data | $2M | 180 mo ago | — | Acqui-Hired | 2010 | — | — | — |
| 18 | AppThis Mobile App Distribution and Advertising | $2M | 122 mo ago | 38 | Series A | 2014 | — | — | — |
| 19 | True Sync Media Interactive and shoppable video advertising platform | $2M | 13 mo ago | 6 | Seed | 2013 | — | — | — |
| 20 | AdFreeq Real-Time blogs and classifieds marketplace platform | $1M | 147 mo ago | — | Deadpooled | 2012 | — | — | — |
| 21 | Vinyl Cross-device advertising trading desk | $750K | 109 mo ago | — | Deadpooled | 2017 | — | 7 patents Patents concentrated in transport & manufacturing processes | — |
| 22 | Topple Provider of self serve digital advertising network | $500K | 62 mo ago | 3 | Seed | 2020 | — | — | — |
| 23 | Adistry Digital advertising solution for the cannabis industry | $488K | 122 mo ago | 3 | Deadpooled | 2014 | — | — | — |
| 24 | Airpush Mobile ad network with DSP and Ad exchange | $400K | 186 mo ago | 153 | Acqui-Hired | 2011 | — | 12 patents Mobile advertising platforms: ad delivery, dynamic formats, retargeting, and fraud detection | — |
| 25 | Browsercast.com Search engine technology and services | $400K | — | — | Deadpooled | 2002 | — | — | — |
| 26 | Get10 Advertising social dashboard for merchants | $325K | 158 mo ago | 1 | Deadpooled | 2008 | — | — | — |
| 27 | YaBeam Location-based marketing engine for publishers and content creators | $150K | 157 mo ago | — | Deadpooled | 2012 | — | — | — |
Top 12 AdTech companies in Colorado
#1
Seed · Carbondale, Colorado · founded 2019 · 148 employees$2.5Mraised▾
Self-serve audience activation and real-time programmatic buying platform. The solution offers features such as integrated customer data management, attribution, and a business intelligence suite. It offers a product called TRADR, a programmatic media and customer data management platform that leverages first-party data, proprietary bidding methodologies, and machine learning to deliver 4X ROAS across CTV, display, video, and mobile, web, etc.
- Mar 2026Seed$500K
- Sep 2025Seed$2M
#2
Series A · Boulder, Colorado · founded 2015 · 27 employees$10.1Mraised▾
Brandzooka helps small advertisers in displaying video ads on popular sites. Provides a self-serve platform to run the campaign. Provides campaign performance analysis and audience targeting. Supports cross-platform advertising as well. Has partnerships with DMP s such as Bluekai, Experian, Nielsen, and Datalogix and ad networks such as Google, Facebook, Yahoo, AOL, Appnexus, Brightroll, and Rubicon.
- Dec 2024Series A$1.4M
- Oct 2020Series A$5.6M
- Feb 2017Seed$1.5M
- Apr 2016Seed$1.5M
#3
Seed · Arvada, Colorado · founded 2013 · 6 employees$1.7Mraised▾
True Sync Media is an interactive and shoppable video advertising platform for advertisers and brands. It enables advertisers to advertise their products for targeted customers to be purchased in real time. Also enables brands to improve their ads for targeting their customers.
- Jun 2025Seed$75K
- Apr 2024Seed$610K
- Aug 2022Seed$380K
- Dec 2019Seed$937K
#4
Acquired · Boulder, Colorado · founded 2005 · 250 employees$99.9Mraised▾
Provider of products and services intended for digital publishers and content creators. The company's advertising and commerce tools help publishers monetize their content, also offers software that helps publishers simplify their advertising and commerce operations, its data, reporting, and analytics tools help publishers consolidate and simplify reporting, gain a better understanding of the engagement of their audience, and empowers publishers to capture the value of the audiences they create and cultivate, enabling clients to understand, operate and grow their business.
#5
Series C · Denver, Colorado · founded 2012 · 84 employees$29.9Mraised▾
Provider of a self-service platform for programmatic advertising campaign management. The platform offers tools for audience targeting, omnichannel execution, measurement, and optimization. It allows users to define audiences, measure campaign performance across channels, and manage media investments. The platform provides access to digital channels through its partner ecosystem.
- May 2021Series C$15M
- Nov 2017Series B$6M
- Dec 2016Series A$2.4M
- Jan 2015Series A$4.1M
#6
Early Stage · Denver, Colorado · founded 2009 · 85 employees$54.2Mraised▾
Provider of programmatic video advertising solutions and digital marketing strategies. The company offers a platform streamlining connections between publishers and advertisers, optimizing video ad delivery. Solutions include publisher revenue optimization, cross-platform video advertising, and data-driven marketing. Brand safety and verification tools are available, along with strategic partnership solutions.
#7
Series B · Boulder, Colorado · founded 2015$17.7Mraised▾
AdHawk provides a platform to manage digital advertising across channels like Google AdWords and Facebook Ads. AdHawk analyzes various advertising channels to find trends in the data. Provides campaign optimization suggestions and tips to improve overall account performance.
- Jun 2019Series B$13M
- Oct 2017Series A$2.5M
- Jan 2017Seed$517.1K
- Nov 2015Seed$1.4M
#8
Acqui-Hired · Boulder, Colorado · founded 2006 · 28 employees$22Mraised▾
OneRiot delivers socially-targeted mobile media campaigns for clients such as The Gap, Toyota and AT&T. With OneRiot, clients can target media to audiences with specific interests and demographics in defined geo-locations. The company analyzes masses of publicly-available mobile social media activity to determine audience characteristics. Clients can execute media campaigns directly with OneRiot across its own network of mobile apps, or leverage its targeting data for use across other sources of mobile inventory. OneRiot is a privately held company. Investors include Spark Capital, Appian Ventures and Commonwealth Capital Ventures.
- Aug 2009Series C$7M
- Jun 2007Series B$15M
#9
Series A · Boulder, Colorado · founded 2017 · 27 employees$6.7Mraised▾
Cloud based platform offering social media management software. It helps digital agencies to manage many brands on social media. Its solutions include develop social media content with built in curation, creation, and automated importing tools, set up campaigns to repost content automatically, create content approvals and securely connect social media accounts, analytics and reporting, etc.
- May 2021Series A$5M
- Jan 2020Seed$1.5M
- Aug 2019Seed$175K
- Seed$35K
#10
Deadpooled · Denver, Colorado · founded 2002 · 8 employees$14.5Mraised▾
Trueffect's patented First-Party targeting and measurement technology allows advertisers to serve targeted media advertising and measure its effectivenes by allowing marketers to leverage customer relationship data to increase optimization and efficiency. The first-Party data across the marketing funnel helps to accelerate consumer acquisition and recognizes target audiences across publishers and networks. Trueffect Announced new Strategic Partnership with Booyah, a digital agency in May 2015.
- Jun 2014Series B$5M
- May 2013Series A$4.5M
- Mar 2011Series A$5M
#11
Acquired · Broomfield, Colorado · founded 2007 · 247 employees$12Mraised▾
SpotX is an online video ad serving platform for premium publishers and broadcasters. It provides a platform to monetize video inventory across the web, mobile app, and connected devices. Its video-first technology includes ad management, campaign management, and ad trafficking. It supports various video ad formats such as OTT, short form, interstitial, and out stream.
- Dec 2010Series A$12M
#12
Acqui-Hired · Denver, Colorado · founded 2006 · 314 employees$12Mraised▾
Programmatic video advertising platform, SpotXchange (now re-branded to SpotX) connects thousands of publishers with trusted demand sources, running top brand campaigns through its marketplace. It enables publishers holistic inventory management in order to maximize revenue for desktop, mobile and connected TV inventory. RTL Group acquired 65% stake worth $144M in SpotX.
- Dec 2010Series A$12M
- Jan 2008Angel—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of AdTech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.