Top Marketing Startups in 2026

6sense is a B2B predictive intelligence engine for marketing and sales. Using its private network of billions of time-sensitive intent interactions, 6sense uncovers net-new prospects at every stage of the funnel and determines which existing prospects are in market to buy. 6sense predicts what products prospects will buy, how much they will buy, and when. 6sense is backed by Bain Capital Ventures, Battery Ventures, Venrock, and Salesforce and is based in San Francisco. 6sense.com

People.ai is the only revenue intelligence platform for go-to-market teams. We help sales, marketing, and customer success teams uncover every revenue opportunity from every customer. Companies like Lyft, Gainsight, Tanium, and Palo Alto Networks choose People.ai to capture contacts, activity, and engagement and drive actionable insights across all their revenue generation. Founded in 2016, People.ai is based in San Francisco and is backed by Y Combinator and Silicon Valley’s top investors, including Lightspeed Venture Partners and Andreessen Horowitz.

Manychat is a Meta Official Business Partner, backed by top investors, including Bessemer Venture Partners, and one of America's Best Startup Employers. With 110+ teammates across three global offices — New York, Barcelona, and Yerevan — Manychat helps more than one million businesses worldwide interact with billions of customers in real-time at scale. No matter the use case — generating leads, increasing engagement, providing 24/7 customer support, accepting payments, and beyond — Manychat helps businesses improve their ROI and grow faster.

WHO WE ARE: Yotpo is the leading eCommerce marketing platform that helps thousands of forward-thinking brands like Rebecca Minkoff, Patagonia, and Steve Madden accelerate direct-to-consumer growth. Our single-platform approach integrates data-driven solutions for Loyalty & Referrals, SMS Marketing, Reviews and Visual UGC, empowering brands to save time and create smarter, higher-converting customer experiences. Yotpo is a Forbes Cloud 100 company with offices worldwide including New York, London, Tel Aviv, Yoqneam, Sofia and Australia. More information can be found at yotpo.com. OUR MISSION: To make eCommerce marketing smarter for brands, captivating for shoppers. BRAND PROMISE: Innovation at the speed of eCommerce, giving brands the competitive edge to win over customers, every time.

Klaviyo (NYSE: KVYO) is the B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 183,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency, and drive revenue.

We're developing the privacy platform modern brands rely on to build customer trust and transparency. We untangle the complexity of data privacy and help brands build privacy programs that work, giving them an easy-to-use platform to automate and scale privacy, and stay compliant with regulations like GDPR, CCPA, and CPRA. With 900+ pre-built connections with popular apps and infrastructure, the DataGrail Integrations Network is the first of its kind to detect shadow IT that may contain personal data, ensuring the most accurate data discovery. DataGrail services millions of consumers, through companies like Overstock, Restoration Hardware, NETGEAR, and Outreach, and has 4.8/5 stars on G2. DataGrail is backed by leading VCs and strategic investors, including Felicis Ventures, Operator Collective, Okta Ventures, HubSpot Ventures, and DocuSign Ventures. Visit datagrail.io to learn more.

Wunderkind is a leading performance marketing engine that delivers tailored experiences at scale. Digital businesses use Wunderkind to remember who users are better than ever before, allowing them to deliver high-performing, one-to-one messages on websites, through emails and texts, and in ads at a scale that’s not otherwise possible. Wunderkind drives $1.2 billion dollars annually in directly attributable revenue for top eCommerce brands like Uniqlo, Sonos and HelloFresh, often ranking as a top-3 revenue channel in their own analytics. Wunderkind is maniacally obsessed with ROI and aims to be the infrastructural interface between individuals and brands in a world where consumers choose what they want, from whom, and when. Learn more at wunderkind.co.

Over the last twenty years, Red Ventures has built a platform of businesses, trusted brands, proprietary technology and strategic partnerships that work together to connect millions of people with expert advice. Through premium content and personalized digital experiences, Red Ventures builds online journeys that make it easier for people to make important decisions about their homes, health, travel, finances, education and entertainment. Founded in 2000, Red Ventures spans 5 continents and employs more than 4,500 people. Red Ventures owns and operates several large digital brands including CNET, Healthline Media, The Points Guy, Bankrate and Allconnect.com. For more information, visit redventures.com and follow @RedVentures on social platforms.

Feathr is the smarter way for mission-driven organizations to fundraise and grow. We bring fundraising, marketing, AI-powered intelligence, and reporting together in one platform so your team can reach more people, raise more money, and see exactly what’s working. We believe visibility fuels fundraising. Feathr helps nonprofits and other mission-driven teams go from unseen to unignorable.

We enable our customers to travel more, travel better and travel further. 20M+ consumers stock away miles & points to satisfy their wanderlust. Flying around or using credit cards are the only good ways to fill the stockpile today. We've built the third way. Customers earn ~7000 miles/booking for staying among a handful of premium hotels in each city. One stay can now earn a free flight. Hotel partners fill rooms that would have otherwise gone unused with coveted premium business travelers. rocketmiles.com facebook.com/rocketmiles twitter.com/rocketmiles