Top Tech Companies in NYC, NY (10,000+)

Traditional firms rely on interviews, retroactive documentation, and billable hours. Onshore applies AI at the point of substantiation, providing documentation tied directly to source data and pairing it with expert review. The result is defensible, audit-ready work delivered in weeks, not quarters. We help companies claim R&D Tax Credits, 179D Deductions, and Cost Segregation with proof, not process. 500+ companies have trusted Onshore...

Deepening the Science of Security Founded in 2012 by 3 expert hackers with no investment capital, Trail of Bits is the premier place for security experts to boldly advance security and address technology’s newest and most challenging risks. It has helped secure some of the world's most targeted organizations and devices. Our combination of novel research with practical solutions reduces the...

Circle (NYSE: CRCL) is a global, internet financial platform company powering the foundation of an open, borderless, and programmable economy. Circle connects financial institutions, enterprises, and developers to the next generation of the internet financial system through digital assets such as USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS...

OpenX is The Intelligent SSP™ (supply-side platform), simplifying advertising for marketers, advertisers, and publishers worldwide. As one of the largest SSPs globally, OpenX combines the industry’s only fully cloud-based infrastructure with leading AI capabilities to make digital advertising easier and more effective across every format, including CTV. Built to responsibly deliver quality, performance, and adaptability, OpenX makes digital advertising safer,...

Garner Health is a health tech startup that is transforming the healthcare economy by enabling patients to receive high-quality and affordable care. Garner Health has two core offerings: Garner, a benefit program that uses a new approach to data science and incentive accounts to help employees find the best doctors in their communities, and Garner DataPro, a provider recommendation platform...

Attain is the most trusted and comprehensive source for permissioned, real-time purchase data in the United States. By connecting directly with over 10 million consumers, Attain delivers unmatched accuracy and scale across audience activation, insights, and in-flight optimization, and measurement, helping marketers tie every dollar of media to real-world sales outcomes. Attain’s portfolio of owned and operated apps, spanning financial...

We're building healthcare tech for a system that desperately needs it. Each year, millions of Americans deal with confusing changes to their Medicare plans that impact their prescriptions, access to care, and pocketbooks. These aren’t just inconveniences – they are potentially life-altering changes that leave seniors medically and financially vulnerable. Independent Medicare advisors play a crucial role in guiding seniors through this...

M13 is an early-stage (seed and Series A) venture capital firm that invests in visionary founders building disruptive software businesses. Established in 2016 with offices in Los Angeles and New York, the firm is a full-stack partner that brings its deep bench of full-time operators to help founders outperform and build category-defining companies. M13’s portfolio includes more than 200 direct...

Taskrabbit is a marketplace platform that conveniently connects people with Taskers to handle everyday home to-do’s, such as furniture assembly, handy work, moving help, and much more. Acquired by IKEA Group - the world’s largest furniture retailer - in 2017 At Taskrabbit, we want to make your neighborhood a little more familiar. Whether it’s a handyman (or woman!), a housecleaner, moving...

Taboola empowers businesses to grow through performance advertising technology that goes beyond search and social and delivers measurable outcomes at scale. Taboola works with thousands of businesses who advertise directly on Realize, Taboola’s powerful ad platform, reaching approximately 600M daily active users across some of the best publishers in the world. Publishers like NBC News, Yahoo, and OEMs such as Samsung,...

Copia is redefining how the world’s factories, energy systems, and infrastructure are built and maintained. Our Industrial Code Lifecycle Management Platform connects software engineering practices with operational technology, giving manufacturers resiliency with the visibility, control, and confidence they need to innovate safely. We’re engineers, builders, and problem-solvers driven by one mission: Keep industry moving forward. Copia is building the modern engineering platform for...

Getting older in America is tough: 90% of seniors live with chronic health conditions. 40% report feeling isolated. And despite having the highest suicide rates of any age group, older adults receive mental health therapy 70% less than the average American. Sailor Health is building the AI-native health system for happier and healthier aging. Sailor offers virtual mental health, wellness classes,...

CAIS is the leading alternative investment platform for independent financial advisors. The CAIS platform powers the pre-trade, trade, and post-trade lifecycle of alternative investments providing financial advisors and alternative asset managers a single operating system for scale and efficiency. CAIS serves over 2,000 wealth management firms that support more than 50,000 financial advisors who oversee approximately $6 trillion in end-client assets....

Clear Street’s mission is to give every sophisticated investor access to every asset, in every market, through a unified platform built for speed, transparency and scale. We give our clients the technology, tools, and service once reserved for the largest institutions, rebuilt with modern infrastructure. Our single, cloud-native, end-to-end capital markets platform powers investor growth today and is transforming how they...

A tapestry is made of many threads woven into one story. So are we. Our global house of brands unites the magic of Coach and Kate Spade New York. By intertwining different people and ideas, we push ourselves in our work, pull out the unexpected in what we create, and expand the bounds of possibility. Our brands were created by...

We started a movement in which everyone can win – shoppers, retailers, society and every person on our team. To play fair, trust people and reward them for doing the right thing. We see and feel the impact of our work as more and more people gain financial freedom and retailers grow across the globe. Founded seven years ago in Sydney,...

We solve for advertising campaign and creative complexities - both key elements to the time/money savings and performance that brands, agencies and businesses seek. Our unified platform combines media, creative, and intelligence, offering end-to-end workflows powered by AI across the open and closed web. With over 700 brands and advertisers, we've proven that dynamic and personalized creative makes advertising impactful. We...

Deterministic rails underneath. Agents on top. Built for the GP who gets the number, asks the next question, and trusts the answer.

The Farmer’s Dog was born from a mission to change the landscape of pet health, providing dogs and their humans with honest, smart, and simple care. We’re starting by radically improving the $90 billion pet food industry, replacing bulk bags of highly-processed mystery pellets with a personalized subscription service that sends healthy, freshly-made dog food directly to customers’ doors. Our...

EliseAI builds vertical AI agents for housing and healthcare — sectors that together make up nearly 40% of household spending. These agents automate high-volume workflows like leasing, maintenance, renewals, and patient intake, helping organizations cut costs, improve efficiency, and deliver better experiences. How does it work? EliseAI integrates directly into operational workflows: Housing: Manages leasing, maintenance, renewals, billing, and resident communication. Healthcare: Handles intake,...