Top Madison, WI Startups (10,000+)

At Arch Systems, we empower discrete manufacturing facilities with deep data insights that enable optimal efficiency, precise KPIs, and proactive decision-making. We work with leading manufacturers to integrate and optimize their data for actionable intelligence, fueling productivity and operational excellence.

Aceable is a mobile education platform, focused on creating affordable, engaging, and convenient educational content. Our Austin-based team is obsessed with helping people pursue their dreams with continued education. After launching our first mobile app to provide accredited driver's ed courses, Aceable expanded into real estate, mortgage, insurance, and healthcare education. We actively work to foster a creative, collaborative, and...

AdCellerant provides businesses access to high-quality digital marketing technology and solutions through partnerships with media companies and agencies.  Focused on generating results and growth for businesses of all sizes, AdCellerant offers best-in-class technology and software, award-winning customer service, expert education, and exceptional operational support to ensure campaign performance for customers. Leveraging proprietary technology UI.Marketing, AdCellerant effectively connects businesses with their ideal...

ActBlue is a nonprofit tech organization working to help Democratic campaigns, progressive organizations, and nonprofits build campaigns fueled by small-dollar donors. Our tools make it possible for anyone to build a grassroots campaign or movement and give donors an easy and secure way to support their favorite candidates and causes.

At AdAction, we’re revolutionizing how brands connect with audiences through the power of mobile technology. As leaders in performance-driven marketing, we create innovative solutions that merge supply, loyalty, and rewards into seamless, mobile-first strategies. Our platform empowers brands and app developers to drive engagement, boost retention, and achieve sustainable growth by delivering personalized, reward-based experiences that foster genuine connections. With cutting-edge...

DoubleDown Interactive is a leading developer and publisher of digital games on mobile and web-based platforms. We are the creators of multi-format interactive entertainment experiences for casual players, bringing authentic Vegas entertainment to players around the world through an online social casino experience. Our flagship social casino title, DoubleDown Casino, has been a fan-favorite game on leading social and mobile...

Clean Power Research® is advancing the energy transformation through cloud software that informs, streamlines and values energy-related decisions and processes for utilities, energy professionals and consumers. We’re focused on expanding our market reach and impact with new software technologies that help solve the energy industry’s problems. Recognized by BuiltIn Seattle as "Top 100 Best Places to Work in Seattle” and...

Purchasing Platform is a unique B2B marketplace tailored for all sectors of property management. We leverage cutting-edge technology to empower property portfolios, enabling them to manage purchasing activities efficiently across all properties while driving real cost savings from trusted suppliers. Our platform services portfolios across the nation, enhancing operational workflows with features like embedded multi-level workflows, automated expense classification, and...

We serve as the technical force behind Colorado’s largest locally owned bank. Our technology department is 350+ strong. We owe our success to the core values we’ve held since being founded in 1963. Our mission is 'banking for good', to do our best to do right by our customers, communities, and employees.

Work & Co creates digital tools and experiences that drive impact. With offices in the U.S., Europe, and South America, Work & Co is a trusted partner to the world’s most influential brands — Apple, Google, Harley-Davidson, Gatorade, Pfizer, Obama Foundation, Steve Jobs Archive — to lead digital transformation strategies and launch websites, mobile apps, e-commerce platforms, AI tools, and...

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...

Invoice Home is a billing and invoicing service for small businesses and freelancers seeking to grow their business or start a new one! We offer simplistic services and tools with over 100 customizable templates, where you can add your business logo and signature. We offer a desktop version for behind your screens while at home or in your office but...

Core Digital Media was founded to empower people to improve their financial lives. Our websites QuickenLoans.com and LowerMyBills.com provide consumers valuable information and company connections as you navigate life's biggest financial decisions.

Fluent, Inc. (NASDAQ: FLNT) is a commerce media solutions provider connecting top-tier brands with highly engaged consumers. Leveraging diverse ad inventory, robust first-party data, and proprietary machine learning, Fluent unlocks additional revenue streams for partners and empowers advertisers to acquire their most valuable customers at scale. Founded in 2010, Fluent uses its deep expertise in performance marketing to drive monetization...

OppFi is a leading tech-enabled digital finance platform that works with banks to provide financial products and services for everyday Americans. Through a transparent and responsible platform, which includes financial inclusion and excellent customer experience, the Company supports consumers who are turned away by mainstream options to build better financial health. OppFi maintains an A+ rating from the Better Business Bureau...

Born out of necessity, RapidX is a lifestyle-forward brand that creates practical, stylish, and dynamic products you enjoy that enhance your life On the Go, at Home, or in the Office. Our philosophy is to design products based on customer input from the bottom up, creating a consumer-centric portfolio melded with innovation and technology efficiency. RapidX products are functionally unique,...

For global enterprises, commercetools provides the leading AI-first commerce platform that unifies commerce across any touchpoint, delivering unmatched revenue growth and performance. Our composable, cloud-native technology is the foundation for future innovation — from agentic commerce to conversational experiences — giving businesses the flexibility to design tailored, scalable commerce across any channel, at any scale. By removing the constraints of...

Bitnomial is building the next generation of U.S. derivatives infrastructure. We are a regulated exchange and clearinghouse offering bitcoin futures and options under full oversight of the CFTC. By combining the transparency and safeguards of traditional finance with the efficiency of digital assets, Bitnomial brings institutional trust and accessibility to crypto-native markets. We operate as a Designated Contract Market (DCM), Derivatives...

TextUs is the leading business-class text messaging platform for real-time communication designed to dramatically improve how businesses communicate with their prospects, staff, and customers. With a 98% read rate and up to 40% response rates, TextUs supports businesses to truly engage with their stakeholders in real-time.

CRSP provides data of the highest integrity and transparency to ensure the strongest foundation for economic forecasting, stock market research and financial analysis conducted by academic organizations, investment banks, brokerage firms, corporations, and government agencies. Our data has led to the transformation of the world of finance.