Last week, Deloitte released its North America Technology Fast 500, an annual ranking of the fastest-growing companies across technology, media, telecommunications, life sciences, fintech and energy tech. In its 31st year, the list features 12 Austin-area companies, compared to 13 in 2024.
Rankings are based on percentage revenue growth between 2021 and 2024, with this year’s honorees reporting increases ranging from 122 percent to 29,738 percent.
“Austin’s thriving technology sector showcases the energy and creativity that make this city unique. This year’s Deloitte Technology Fast 500 honorees are driving progress in both our local community and beyond,” Alison Walgren, Central Texas managing principal for Deloitte, said in a statement.
Keep reading for the top five Austin-area companies featured.
Top Austin Tech Companies on Deloitte’s 2025 Technology Fast 500
- RazorMetrics
- Closinglock
- Archer Review
- Skimmer
- Interplay Learning
Ranked #12, 9,073% Growth
RazorMetrics works to reduce pharmacy costs for employers, health plans and their members by analyzing medication data and identifying lower-cost, therapeutically equivalent alternatives, which it communicates directly to prescribers. It also provides tools that let members review their medication history.
Ranked #44, 2,751% Growth
By providing a platform that supports transfer of funds and documents, Closinglock digitizes real estate transactions and reduces risks such as wire, payoff and seller fraud. The system is designed to help settlement companies complete closings more efficiently and with improved security.
Ranked #108, 877% Growth
Archer Review offers exam preparation materials for nursing and medical students, including practice questions and on-demand lectures for tests such as the TEAS 7, HESI A2 and CCRN. Its website provides a range of paid study packages along with resources for educators.
Ranked #163, 500% Growth
Skimmer helps pool service companies shift from paper-based processes to digital management. Its software includes capabilities for route planning, managing customer records, billing and other daily tasks. The platform also offers built-in customer communication features and works both online and offline.
Ranked #171, 470% Growth
Interplay Learning offers online and virtual reality training designed for skilled trades such as HVAC, plumbing, electrical work and more. Its 3D simulations and video-based courses are used by businesses, schools and workforce development programs to help learners build practical skills more quickly and effectively than with traditional training methods.




