# Greycroft's Advertising & Adtech Investments: 23 Startups in Its Portfolio (2026) > The 23 Advertising & Adtech startups Greycroft has backed, by stage: $1.0B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/greycroft-advertising-adtech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series A 6 - [Velocity](https://millionrounds.com/company/velocity) - [Rembrand](https://millionrounds.com/company/rembrand) - [Breef](https://millionrounds.com/company/breef) - [FanAI](https://millionrounds.com/company/fanai) - [Podchaser](https://millionrounds.com/company/podchaser) - [Media Armor](https://millionrounds.com/company/media-armor) ## Stage not reported 5 - [SEMrush](https://millionrounds.com/company/semrush) - [LicenseStream](https://millionrounds.com/company/licensestream) - [TagMan](https://millionrounds.com/company/tagman) - [Adly](https://millionrounds.com/company/adly) - [Veritonic](https://millionrounds.com/company/veritonic) ## Pre-seed and seed 5 - [Button](https://millionrounds.com/company/button) - [Camera IQ](https://millionrounds.com/company/camera-iq) - [Podsights](https://millionrounds.com/company/podsights) - [MutualMarkets](https://millionrounds.com/company/mutualmarkets) - [The Idealists](https://millionrounds.com/company/the-idealists) ## Series B 3 - [Nativo](https://millionrounds.com/company/nativo) - [Metadata](https://millionrounds.com/company/metadata) - [Sportgenic](https://millionrounds.com/company/sportgenic) ## Growth 2 - [Extreme Reach](https://millionrounds.com/company/extreme-reach) - [Ceros](https://millionrounds.com/company/ceros) ## Series C and later 2 - [*N* NewsCred](https://millionrounds.com/company/newscred) - [PebblePost](https://millionrounds.com/company/pebblepost) ## Segment by segment ### Series A 6 startups · $200M raised - [**Velocity**](https://millionrounds.com/company/velocity) Our mission at Velocity is to help founders go further, faster. United Kingdom $105M - [**Rembrand**](https://millionrounds.com/company/rembrand) Rembrand is a technology company based in Palo Alto, California, founded in 2022. United States $61M - [**Breef**](https://millionrounds.com/company/breef) Breef is a digital marketplace and agency matchmaking platform that connects brands with vetted marketing, advertising, and creati United States $16M - [**FanAI**](https://millionrounds.com/company/fanai) FanAI is an AI-driven audience monetization platform. United States $14M - [**Podchaser**](https://millionrounds.com/company/podchaser) Podchaser is the world’s most comprehensive podcast database, powering discovery for listeners, podcasters, and brands. United States $4.0M - [**Media Armor**](https://millionrounds.com/company/media-armor) Media Armor is a consumer-level technology company focused on cross-channel relevance and revenue, and consumer-level marketing. United States $1.8M ### Stage not reported 5 startups · $80M raised - [**SEMrush**](https://millionrounds.com/company/semrush) SEMrush is an online visibility management and content marketing SaaS platform. United States $40M - [**LicenseStream**](https://millionrounds.com/company/licensestream) LicenseStream is a platform that enables content owners to license their digital content. United States $16M - [**TagMan**](https://millionrounds.com/company/tagman) TagMan, a tag management marketing data platform, helps marketers manage the complexities of web analytics, ecommerce data and e-privacy. United Kingdom $14M - [**Adly**](https://millionrounds.com/company/adly) Adly, a digital marketing software and services company, helps brands generate leads and drive sales. United States $7.5M - [**Veritonic**](https://millionrounds.com/company/veritonic) Veritonic is a New York-based audio effectiveness and analytics platform founded in 2015. United States $2.8M ### Pre-seed and seed 5 startups · $82M raised - [**Button**](https://millionrounds.com/company/button) BUTTON works with Life Science, MedTech, and Healthcare companies and helps them find more business and commercialization opportun United States $69M - [**Camera IQ**](https://millionrounds.com/company/camera-iq) Camera IQ is a camera experience manager platform that helps marketers create new worlds that customers love to explore. United States $4.3M - [**Podsights**](https://millionrounds.com/company/podsights) Podsights builds the tools to take podcast advertising from guesswork to a science. United States $4.0M - [**MutualMarkets**](https://millionrounds.com/company/mutualmarkets) MutualMarkets, founded in 2021 by Co-CEOs Alan Gould and Eric Gould, is a New York-based company focused on transforming advertisi United States $2.4M - [**The Idealists**](https://millionrounds.com/company/the-idealists) The IdeaLists is a podcast brand and media platform that focuses on conversations with visionary women about various life topics, United States $1.7M ### Series B 3 startups · $108M raised - [**Nativo**](https://millionrounds.com/company/nativo) Nativo is an advertising technology platform for brand advertisers and publishers to scale, automate, and measure native ads. United States $56M - [**Metadata**](https://millionrounds.com/company/metadata) Metadata eliminates manual and repetitive work for b2b marketers so they can focus on strategy and creativity. United States $40M - [**Sportgenic**](https://millionrounds.com/company/sportgenic) Sportgenic, an online media and tech company, connects sport enthusiasts with products and information to fulfill their passion for sport. United States $11M ### Growth 2 startups · $325M raised - [**Extreme Reach**](https://millionrounds.com/company/extreme-reach) Extreme Reach is a tech platform for video ad campaign workflow that delivers ads to every screen and device on time and in perfect quality. United States $205M - [**Ceros**](https://millionrounds.com/company/ceros) Ceros is a cloud-based, no-code platform that enables marketers, designers, and creative teams to create interactive digital experiences. United Kingdom $120M ### Series C and later 2 startups · $217M raised - [*N* **NewsCred**](https://millionrounds.com/company/newscred) Bangladesh $109M - [**PebblePost**](https://millionrounds.com/company/pebblepost) PebblePost provides marketers a way to transform recent online data into intelligent direct mail programs that perform. United States $109M **How this map is made.** Every startup here works in Advertising & Adtech and has raised money in a round we track that names Greycroft as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **Greycroft's AI portfolio** 66 startups · $8.1B](https://millionrounds.com/portfolio-maps/greycroft-ai-portfolio)[Sector portfolio **Greycroft's Fintech portfolio** 41 startups · $5.9B](https://millionrounds.com/portfolio-maps/greycroft-fintech-portfolio)[Sector portfolio **Greycroft's Internet portfolio** 24 startups · $3.0B](https://millionrounds.com/portfolio-maps/greycroft-internet-portfolio)[Sector portfolio **Greycroft's Big Data & Analytics portfolio** 17 startups · $296M](https://millionrounds.com/portfolio-maps/greycroft-big-data-analytics-portfolio)[Sector portfolio **Greycroft's Software portfolio** 14 startups · $256M](https://millionrounds.com/portfolio-maps/greycroft-software-portfolio)[Sector portfolio **Greycroft's Biotech portfolio** 12 startups · $1.4B](https://millionrounds.com/portfolio-maps/greycroft-biotech-portfolio) ## Raising from investors like Greycroft? 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