Top Series A Marketing tech companies

Zenith is the ROI Agency. Our more than 6,000 specialists across 95 markets offer unparalleled capabilities in Media, Data, Technology, Commerce and Content. We put effectiveness at the heart of our work to solve complex challenges, drive successful business outcomes, and grow our clients’ businesses. Zenith is part of Publicis Media, the media arm of Publicis Groupe [Euronext Paris Fr0000130577, CAC40].

• Series A
• 5.4k employees
• Founded 1988

Jellyfish | Move Faster. Smarter. Together. We’re an integrated global digital marketing business, reinventing marketing for progressive brands. Powered by human genius, cutting-edge tech and Generative AI, we create campaigns that move at the speed of digital. #MoveFaster #MoveSmarter #MoveTogether

• Series A
• 2.2k employees
• Founded 2005

We are a global socially-led creative agency, with unrivaled social media expertise.With over 1,300 people in 19 offices around the world, we deliver a global perspective to our clients in a time when social media is shaping culture.We make ideas worth talking about. We understand social behaviours within online communities, cultures and subcultures, spanning the social and gaming landscape.We work with the world’s biggest brands, including adidas, Samsung, Netflix and Google, to reach the right people in a strategic, relevant and effective way.We Are Social is part of Plus Company.

• Series A
• 1.9k employees
• Founded 2008

Scorpion is the leader in helping local businesses succeed by focusing on what truly matters—driving revenue. Our digital marketing solutions are built to support your business every step of the way, helping you attract more of the right customers, stand out online, and turn opportunities into measurable results.With over 20 years of experience, award-winning AI, and a proven track record, we’re shifting the industry’s focus from just generating leads to driving sustainable revenue growth. That’s why we developed RevenueMAX—the only complete digital marketing solution created to maximize your revenue.Thousands of businesses trust Scorpion to help them succeed, and we’re ready to do the same for you. With Scorpion, there’s no guesswork. Only growth. Learn more at Scorpion.co.

• Series A
• 1.4k employees
• Founded 2001

Influencer is a global creator marketing agency on a mission to shape the future of marketing by humanizing brands. By placing creators at the center, the agency delivers creator-first solutions across creative, media, and commerce that connect brands with audiences through insight-driven creator campaigns built to stop the scroll and drive measurable impact.Founded in 2015 by YouTuber-turned-entrepreneur Caspar Lee and entrepreneur Ben Jeffries, Influencer is the world’s largest independent creator marketing agency - powered by a unique ecosystem of proprietary technology, platform partnerships, and longstanding talent relationships.As an Official Global Marketing Partner of TikTok, YouTube, Pinterest, Snap, Meta, and Twitch, Influencer delivers bespoke, enterprise-level solutions powered by Waves, its AI-driven operating system. From concept to conversion, the agency blends human instinct with platform intelligence to drive measurable outcomes across the full funnel - from brand perception to performance and sales.With 200+ team members speaking 30 languages across North America, Europe, and the Middle East, Influencer has delivered 6,000+ campaigns for leading brands including Spotify, SharkNinja, Google, Nike, Disney, and Coca-Cola.

• Series A
• 1.4k employees
• Founded 2015