Top Advertising Startups in 2026

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.

Using comScore verified, real-time data from 50 million first-party integrations with the world's most popular apps, inMarket identifies and engages consumers at every stage of the shopping cycle and creates exciting experiences that drive huge campaign ROI for the world’s top brands.

Hootsuite is the most widely used platform for managing social media, loved by over 10 million people around the globe and trusted by more than 800 of the Fortune 1000. With Hootsuite, brands harness the power of social. Our platform brings together your social networks and integrates with hundreds of business applications. It’s the one place to build customer relationships, listen to the needs of the market and grow your revenue.

We provide tracking and analytics for both phone calls and web forms. We help you discover which ads, keywords and campaigns bring valuable leads over the phone and on the web. We offer call tracking software which can reveal which campaigns, websites, and search keywords are driving phone call conversations. With visitor timelines you can see your customer’s journey through your website. Call conversion data feeds directly into Google Ads and even optimizes your PPC call tracking campaigns so you can track phone calls as conversions. Our product is designed to be straightforward and accessible to businesses of all sizes. We help optimize your workflow so you can measure the quality of your conversations and turn more leads into customers.

Powered by innovative technology that scales quality, we answer the always-changing needs of modern audiences, creators and marketers. Our wit, passion, and sharp commentary make Vox Media a keystone of modern media.

Since we launched in 2012, our technology have been instrumental in fueling the explosive growth of many mobile games, including those developed by our own studio and by our studio partners. We build technology that helps make mobile games successful and enables developers to bring their games to more people around the world. We partner with game studios that leverage our powerful technology to optimize player experience. Our tools leverage our reach of over 350MM mobile gamers to give you the power to acquire new users, gain detailed insights, and monetize your games—all in one place.

Rocketium helps businesses improve customer acquisition, engagement, and conversion with relevant visuals (banners and videos). Our powerful creative automation engine helps anyone (not necessarily designers) make thousands of customized visuals so users see attractive banners and videos instead of bland images. Then our visual optimization engine delivers relevant creatives that have up to 300% the conversion of generic visuals. Our technology is used by leading businesses like Amazon, ICICI, InMobi, ShopX, UrbanClap, and many others from 55 countries.

Mode Mobile is the creator of EarnOS, a transformational software that turns ordinary smartphones into "EarnPhones." This innovation empowers users globally to monetize everyday mobile activities such as streaming, gaming, shopping, etc. We enable users to profit from their data and attention rather than letting only tech giants benefit. Our inclusive approach sets us apart - converting users into earners and facilitating over $150M in earnings and savings while going a step further and turning earners into owners by awarding stock ownership in Mobile Mobile based on their usage. We have attracted over 40 million users across 170 countries. ​​Mode Mobile is proud to stand as the #1 Fastest-Growing North American Software Company recognized in Deloitte's 2023 Technology Fast 500 and ranked #2 across all sectors (Deloitte Fast 500 Winners). For additional insights, check out the information about our reward-based super app, Mode Earn App, which also powers the reward engine behind our proprietary smartphone, Mode Earn Phone.

SimilarWeb is the pioneer of digital market intelligence, and the standard for understanding the digital world. Our platform provides customers with granular insights about every website and mobile app enabling visibility into digital behavior and letting businesses see what is actually happening with their competitors, their industry and throughout the digital world. We have thousands of paying customers worldwide and millions of users using our free platform every month. Our customers are some of the largest global brands in the world and including Walmart, AirBnb, adidas, DHL and eBay. SimilarWeb raised over $112 million and has over 400 employees in 8 offices around the world in NY, SF, London, Tel Aviv, Tokyo, Kiev, Paris, San Paulo. With the insights and the data we provide businesses, agencies, marketers and analysts can benchmark performance against competitors, reveal competitors online strategy, discover new opportunities, identify emerging trends and understand consumer