Top Thornton, CO Startups (10,000+)

Noyo is building the digital infrastructure to bring health insurance enrollment into the modern era. Noyo replaces today’s manual data entry and cumbersome legacy systems with a powerful API platform that enables faster, more accurate data exchange between health insurance platforms and their carrier partners.

Opto Investments (“Opto”) are engineering the future of private markets, offering the solution for wealth managers to efficiently build and manage differentiated private investment programs. Opto’s end-to-end technology solution dramatically streamlines building, fundraising for, and managing a bespoke private markets fund or program, allowing independent investment advisors, family offices, and private banks to scale their offerings without scaling their team. Founded by...

Chime was created because we believe everyone can Unlock Financial ProgressTM, and we want to develop solutions and services to empower people to succeed. The premise upon which we started Chime is simple: basic banking services should be helpful, transparent, and easy. Our suite of tools and platforms give our members the ability to have more control over their money...

Citadel Securities is the next-generation capital markets firm. Our work is powered by the deepest integration of financial, mathematical and engineering expertise. Combining deep trading acumen with cutting-edge analytics and technology, we at Citadel Securities deliver critical liquidity to the world’s most important financial institutions—while helping shape the global markets of tomorrow.

Resident is a house of direct-to-consumer brands in the home goods space. We started with the award-winning including Nectar mattress in 2016 and have continued our meteoric growth with an expanding portfolio, DreamCloud and Awara to name a few. At Resident, we are relentless in our passion to provide customers with better choices when it comes to everyday home design....

Capco, a Wipro company, is a global management and technology consultancy specializing in driving transformation in the energy and financial services industries. Capco operates at the intersection of business and technology by combining innovative thinking with unrivalled industry knowledge to fast-track digital initiatives for banking and payments, capital markets, wealth and asset management, insurance, and the energy sector. Capco’s cutting...

Founded in 2015, ReUp Education is the only organization that focuses exclusively on helping colleges and universities engage and re-enroll the more than 40 million US residents who have "stopped out" and support them until graduation, through our technology-enabled service. Today we build regional marketplaces to connect the supply of educational opportunities with the demand for skilled and credentialed workforce...

Super-charged customer acquisition. Centerfield delivers outcome-based digital marketing solutions and personalized omnichannel experiences for the world’s leading brands. Powered by our proprietary Dugout platform, Centerfield acquires customers at scale for leading residential service, insurance, e-commerce and B2B brands. Centerfield’s digital experiences and digital brands, such as Business.com and BroadbandNow.com, reach more than 150 million in-market shoppers annually. Centerfield is headquartered...

Alloy is the only end-to-end identity risk management platform for companies that offer financial products. Beginning with origination and account opening, Alloy provides over 600 of the world's leading banks, credit unions, and fintechs with a scalable, flexible platform to manage identity risk throughout the customer lifecycle. With configurable solutions for fraud, credit and compliance risk, dedicated expert guidance and...

Verkada is the world’s largest cloud-based B2B physical security platform, offering a seamless blend of tech and safety. With six product lines — video security cameras, access control, environmental sensors, alarms, workplace systems, and intercoms — all integrated on one cloud platform, Verkada is designed for simplicity and scalability. Our real-time insights help organizations keep their spaces safe and comfortable...

Caliola Engineering, LLC’s staff of systems, security, and software engineers team with PhD researchers to identify and solve mission-critical problems for customers across the US Government. We have subject matter expertise in wireless communications, cryptography, protected MILSATCOM, software defined radio, and unmanned airborne systems. Our team has experience developing and transitioning innovative technologies to Programs of Record. We are a 100%...

PRIMA is revolutionizing hospitality as a pioneering affiliate marketplace, forging direct connections between high-value diners and premium restaurants through a network of empowered partners. We address inefficiencies like hard-to-get reservations and untapped hotel guest traffic by curating exclusive inventory and rewarding affiliates for referrals. Our platform enables hotels, concierges, residencies, and corporations to monetize their audiences, creating win-win dynamics where...

DISQO’s mission is to build the world’s most trusted ad measurement platform that fuels brand growth. The world’s largest brands, agencies, and media companies trust DISQO for expert insight and AI-driven intelligence about their advertising performance across all platforms. We capture people’s sentiments and journeys, connecting them with the brands they value and the media they consume. With this identity-based...

As the AI platform for business transformation, we're putting AI to work across organizations — freeing people for work that matters. Making old tech work with new tech. Reaching across departments, from the front office to the back office and every office in between. Our ambition? To become the AI defining enterprise software company of the 21st century (or "AI...

Ibotta (NYSE: IBTA) is a leading performance marketing platform allowing brands to deliver digital promotions to over 200 million consumers through a network of publishers called the Ibotta Performance Network (IPN). The IPN allows marketers to influence what people buy, and where and how often they shop – all while paying only when their campaigns directly result in a sale....

Pontera is a Fintech company that helps financial advisors report on, manage, and trade their clients' held-away accounts, including 401(k)s, 403(b)s, HSAs and more. The platform is designed to work across account types and integrate seamlessly into existing technology to help advisors improve their clients' financial outcomes. Founded in 2012, Pontera is headquartered in New York City. At the core...

Recognized by Crain’s as one of 2025’s Most Innovative Companies, UncommonX helps customers move from reactive defense to proactive resilience, with the context, prioritization, and insights needed to reduce risk and respond with precision. We believe cybersecurity should deliver more than alerts — it should deliver clarity, confidence, and control. That’s why we built an AI-powered Exposure Management platform that gives...

Radar is the world's first Location OS: next-gen geofencing and maps infrastructure for developers and AI-enabled solutions for marketing, fraud, and operations teams, all in a single platform. Hundreds of enterprises, including DICK'S Sporting Goods, T-Mobile, Inspire Brands, and bet365, use Radar to engage their customers, protect their business, and optimize their operations across hundreds of millions of devices worldwide. Founded...

TravelPerk is a global travel and expense management platform. Its all-in-one platform gives travelers the freedom they want whilst providing companies with the control they need. The result saves time, money, and hassle for everyone. TravelPerk has industry-leading travel inventory alongside powerful management features, 24/7 customer support, state-of-the-art technology, and consumer-grade design. Founded in 2015 and headquartered in Barcelona, we’ve grown to...

Before Onebrief, military planning and collaboration was slow, inefficient, and resource-intensive. Building slides with no version control as partners collaborated would have staffs spend weeks or months on a single product or document. With Onebrief, these workflows are now simple and collaboration between large commands is efficient. Staff optimization is the key to building a more resilient, more effective military. Today...