Top Adtech Startups in 2024

Enigma builds world-class data infrastructure, developer-friendly APIs, and intelligent tools that radically transform how businesses interact with each other. By engineering better attributes from the ground up and telling a more complete story, we empower our customers with the confidence they need to automate key business decisions. We’re a team of curious, driven individuals with diverse backgrounds and skills, but we’re all passionate about engineering deeper understanding through data—together.

OpenGov is the leader in cloud-based solutions for government. It offers easy-to-use solutions that streamline budgeting and planning, improve operational performance, and spur citizen engagement; empowering governments to make more informed decisions that lead to better outcomes. Over 2,000 Governments in 48 states use OpenGov -- including the State of Ohio, State of West Virginia, the Idaho State Controller’s Office, the City of Minneapolis MN, and many more. OpenGov was founded in 2012, and is backed by Andreessen Horowitz, Emerson Collective, 8VC, and Thrive Capital.

We offer food grown fresh food grown in an innovative way. We grow our crops without using GMOs or pesticides, in a system known as vertical farming. We make sure our crops are getting the exact amount of water each one needs, while recycling the remainder. We use LED lighting on the perfect wavelength for each crop, and our indoor farms are kept at the perfect temperature for these plants to grow at. Because we grow indoors, our crops are always available and in season.

The Good Food Institute is a 501(c)(3) nonprofit organization dedicated to creating a healthy, humane, and sustainable food supply. GFI’s team of scientists, entrepreneurs, lawyers, and lobbyists are laser-focused on using markets and food innovation to transform our food system away from industrial animal agriculture and toward plant-based and clean meat alternatives.

Yieldmo is one of the world’s fastest-growing digital advertising and attention analytics companies. Agencies and brands use its premium marketplace to create, measure, model, and optimize their campaigns for unmatched scale and performance. Underpinned by AEROS Attention Analytics, advertisers can now truly understand how consumers are interacting with ads before the click, and after the initial view. Yieldmo ultimately delivers better results by harnessing the power of attention data to drive superior audience engagement and targeting.

Nextdoor is the world's largest social network for the neighborhood, enabling truly local conversations that empower neighbors to build stronger and safer communities. Building connections in the real world is a universal human need. That truth, and the reality that neighborhoods are one of the most important and useful communities in our lives have been guiding principles for Nextdoor. Today, neighbors rely on Nextdoor in more than 242,000 neighborhoods around the world in the United States, the United Kingdom, Germany, France, the Netherlands, Italy, Spain, Sweden, Denmark and Australia, with many more to come.

Unified digital advertising for brands and agencies. Execute and measure marketing campaigns across display, social, search, video, native, audio, and more. Our team also works on developing new programmatic solutions, including Reticle, the leading Emotional AI for programmatic advertising.

RapidSOS provides life-saving data from millions of connected devices directly to 9-1-1 and first responders in an emergency – providing faster, more effective response for over 150 million emergencies annually. Our nation’s 9-1-1 system was built over 50 years ago for landline phones, making it nearly impossible to digitally send any data to 9-1-1 and first responders. We’ve spent over six years working with 4,000+ first responders to provide agencies nationwide with a cutting-edge emergency response platform. Whether it’s device location, connected car data, caller’s medical profile, or home security footage, we have built a platform to deliver life-saving data directly to 9-1-1 and first responders. Over 3,500 emergency communication centers nationwide rely on our technology for faster and better-prepared emergency response. RapidSOS is proud to be an equal opportunity workplace. We celebrate diversity and are committed to creating an inclusive environment for all employees.

FiscalNote is a technology-powered global software data and media company that uses powerful machine learning to provide clients with the right policy information and insights, and at the right time so that they can better navigate market risk and uncertainty and maximize new opportunities. As the premier hub of domestic and global information for more than 5,000 clients worldwide, FiscalNote’s tools, analysis, news, and award-winning journalism delivers context, clarity, and a competitive edge in a rapidly changing world. To learn more about FiscalNote and its family of brands visit fiscalnote.com. FiscalNote has raised more than $230 million from prominent investors such as S&P Global, The Economist Group, NEA, Mark Cuban, Jerry Yang, Steve Case, etc.

We hold a firm conviction that small businesses serve as the backbone of our economy and are an essential part of the social fabric that connects people. With the advancements in technology and access to resources, starting a small business has become more accessible than ever before. However, despite this progress, many small businesses struggle to succeed due to the high cost of business tools and services, which are often priced for larger enterprises. This unfortunate reality puts small businesses at a disadvantage, as they lack the resources to invest in expensive tools and services that could help them grow and compete in their respective markets. They are often unable to allocate significant funds towards marketing and advertising, which are critical for expanding their reach and attracting new customers. We believe that small businesses deserve access to affordable tools and services that can help them thrive and compete with larger companies. Our mission at Social Cat is to provide small business owners the tools and resources to run marketing as a professional without breaking the bank. Our goal is to level the playing field for small businesses and help them grow, succeed, and make a positive impact on the economy and the communities they serve.