Deloitte's Fast 500 puts the spotlight on those technology companies that grow faster than the market can catch up with, underlining market leaders that ride emerging trends to success.
This year's winners have demonstrated exceptional momentum across fintech, martech, cybersecurity, HRTech, and AItech, clearly signaling the sectors that will shape the innovation landscape in 2025.
The companies that earned a spot on the Fast 500 are those that have achieved extraordinary revenue growth over the last three years and have scaled via technology they developed themselves, rather than relying on routine services. In other words, Deloitte recognizes them as the true innovators of their industries.
The pie chart above shows that the fastest scale-ups are all founded on software-based models, and new sectors tend to outpace all other sectors. Strong performances from life sciences and fintech highlight where R&D and data-led innovation are generating real momentum commercially. Artificial intelligence, sustainability technology, and digital platforms signal where the next wave of growth is coming from. Overall, the graph highlights a shift toward tech categories that rapidly compound value and scale globally.
Here is a quick look at the top players shaping 2025's momentum:
AI Tech
Impiricus
Impiricus delivers AI-powered, physician-vetted engagement that helps pharma reach even hard-to-access doctors through trusted, real-time mobile channels.
AssemblyAI
The leading API for developers to build accurate, real-time Voice AI and audio understanding apps.
Virtualitics
Explainable AI and immersive visualization to drive data-backed decision-making.
Cyber Tech
Action1
Cloud-native endpoint management and patching are focused on continuous vulnerability assessment.
FinTech
Farther
Farther combines elite, human financial advisors with cutting-edge technology to deliver radically honest, fully transparent wealth management at scale.
Paystar
Platform automating electronic bill presentment and payments for simplified collections.
Neo Financial
Digital-first financial platform offering high-value cashback rewards and smart savings accounts.
MarTech
Gierd
Unified platform to manage and optimize sales across all global e-commerce marketplaces.
PostGrid
API to automate and personalize the creation and delivery of physical mail and documents.
Apollo.io A
All-in-one platform for B2B sales intelligence, engagement, and automated outreach at scale.
HRTech
HR Acuity
Software specifically built for HR to manage employee relations and conduct fair investigations.
Phenom
AI-powered Talent Experience Management (TXM) platform for candidates, employees, and recruiters.
SeekOut
AI-driven talent pool software that helps companies source and recruit diverse, specialized talent.
Deb Muller, founder and CEO of HR Acuity, said, "Earning a spot on Deloitte's Fast 500 is a powerful recognition—not just of HR Acuity's growth, but of a broader transformation in employee relations."
Here are the criteria to shortlist these companies:
Demonstrated rapid revenue growth between 2021 and 2024.
Technology or products developed in-house.
Reached at least $50K in revenue in their base year and $5M in the current year
Have been operational for at least four years
Headquartered in North America
Deloitte's evaluation of submissions considers both company-provided data and independent research to make the ranking reflect real, verified performance. These companies grow rapidly and drive technological change in their industries.
Source: 2025 Deloitte Technology Fast 500 winners
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