Top Series A Marketing tech companies

Tools for marketers: CRM, attribution, content, ads, growth, and analytics. Filtered to companies whose latest disclosed round is Series A.

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Built from a search like: “Top Series A Marketing tech companies”

Ranked by current headcount across Series A Marketing tech companies. Refreshed daily.

1
Starcom· Chicago, Illinois, United States
With a history that dates back over 80 years, Starcom is a global communications planning and media leader. We are an agency still grounded in our founding principle that people are at the center of all we do. Each day, we apply this belief to harness the transformative power of data and technology to inspire and move people and business forward. With almost 7,000 employees in over 100 offices around the world, Starcom partners with the world's leading marketers and brands, including Bank of America, Best Buy, Kellanova, McDonald's, Novartis, Samsung, Visa, WK Kellogg Company and more.
- Series A
- 5.7k employees
- Founded 2020
2
Zenith· London, England, United Kingdom
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
3
Jellyfish· London, England, United Kingdom
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
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4
We Are Social· London, England, United Kingdom
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
5
Google Ads (Google Partner)
About Google Ads’ third-party partnersGoogle Ads works with many valued partners and resellers to help customers set up their first online advertising campaigns and deliver related support and services.These third-party partners work on behalf of Google to help new advertisers start and optimize their campaigns across a wide range of countries.Here’s a list of some of the organizations we partner with:• Arteria• Atento• Cognizant• Concentrix• Regalix• TDCX• Teledirect• Teleperformance (Austria, Belgium, Canada, Denmark, Finland, France, Germany, Ireland, Israel, Italy, the Netherlands, Norway, Portugal, South Africa, Spain, Sweden, Switzerland, the United Kingdom, United States)• TMJ• TTEC• WNSSource: support.google.com
- Series A
- 1.5k employees
- Founded 2000

6
Scorpion· Draper, Utah, United States
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
7
Influencer· London, England, United Kingdom
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
8
AOW· Melbourne, Victoria, Australia
- Series A
- 808 employees
- Founded 2006
9
60 Decibels· New York, New York, United States
60 Decibels is the world’s leading customer insights company for social impact. We bring speed and scale to social measurement, making it easy to listen directly to the people who matter most.
- Series A
- 711 employees
- Founded 2019
10
SelfMade· New York, New York, United States
We unlock your marketing team with top-notch post-production services and AI-driven creative strategy
- Series A
- 680 employees
- Founded 2015

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Find engineers and founders at Series A Marketing tech companies

Series A Marketing tech companies are some of the most active hirers in the market. The list above ranks the largest Marketing tech companies whose latest disclosed round is Series A, by current headcount, drawn from public LinkedIn and Crunchbase records. Across 350 matching companies, you’ll find senior engineers, founding designers, and operators worth tracking.

Companies at this stage in Marketing tech share a profile: a working product, fresh capital, and a hiring plan that wants senior people yesterday. Looking at headcount, last round, and HQ side by side gives you a quick read on where Marketing tech talent is concentrating right now.

Refolk converts this list into a search. Ask for “Series A Marketing tech founders hiring senior engineers” or “design leads at Series A Marketing tech companies” and Refolk returns a fresh ranked shortlist with the sources behind each match.

How this list is built

Refolk pulled Marketing tech companies whose latest disclosed funding round is Series A from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes once a day.

Last refreshed: Wed, 05 Aug 2026 15:18:15 GMT

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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