Top Tech Startups in New York, US in 2027

Smart AdServer is the only independent full-stack ad technology platform in programmatic and direct sales dedicated to the sell side. Our unique holistic approach gives control back to publishers allowing them to innovate and optimize all their monetization channels across all formats -- display, rich media, native and video -- and on all screens.

CAIS is the leading open-architecture financial product platform offering the independent wealth management channel access to a menu of alternative investment funds and capital markets offerings. We are a FinTech, B2B organization that is leveling the playing field by providing research, diligence, access, and execution of complex financial products.

We offers access to exclusive and hard to find Personal and Executive Assistant talent. Our curated collection of best in class choices for the services our Clients ask our Assistants to source the most. Clients enjoy access to our exclusive partner perks and take advantage of our resources and relationships to work smarter. Our program systematically addresses common pain points in the Client and Assistant relationship and is built on ten years of experience serving elite clientele. We not only gives you an Assistant with whom you will build a long lasting relationship, but also equips you both with the tools and resources to make your work together easy, efficient and even more effective.

Vertalo is a global leader and pioneer in the transformation of private capital markets. Our digital asset data management platform is licensed by Broker-Dealers, Capital Advisors, RIAs, Real Estate Funds, and a variety of interesting companies that want to modernize the way they manage investor onboarding, investor relations, cap tables, and secondary liquidity.

For decades, healthcare has continued to rely on fax machines and overwhelmed staff to read and process critical patient information. We are streamlining and fully automating healthcare communication using AI. Our AI automatically gets patient information where it needs to be, saving up to 8 hours per provider each day. Medsender is used by hospitals, pharmacies, imaging centers, medical device companies, EMR vendors, and medical practices; Our customers range from solo practices to billion dollar companies.

Kalepa is the Professional Grade AI underwriting platform trusted by top-tier insurers to accelerate profitable premium growth. We automate what slows underwriters down and amplify what makes them exceptional - covering the full workflow from submission intake and triage through to risk evaluation, quote and bind, and portfolio steering. Our clients include Berkley, Munich Re, Bowhead, Canopius, Paragon, and Secura. The results are measurable: 40% faster quote turnaround, 5–15% improvement in bind rates, and 960+ basis points of combined ratio improvement. Working at Kalepa means working on a genuinely hard problem - and seeing your work go live quickly and directly benefit clients. There's no such thing as boredom here. Every day brings something new, and there's always an opportunity to make a meaningful impact. The culture is built on hustle, grit, and transparency. We hire exceptional people who take pride in their craft. If you're energized by our mission and share our values - get in touch.

Electric Hydrogen (EH2) is a deep decarbonization company building low-cost, high-efficiency, fossil-free hydrogen systems. Industrial sectors like ammonia and steel production account for a third of global GHGs and will require fossil-free hydrogen at cost parity to eliminate CO2 emissions. Electric Hydrogen is rethinking electrolysis from the ground up to compete with dirty hydrogen on cost and scale. The company's technology brings hydrogen solutions to industry, infrastructure, freight and beyond. The experience of Electric Hydrogen's leadership team at revolutionary clean energy companies like Tesla and First Solar makes EH2 a qualified hydrogen company to break through today’s barriers of efficiency and cost to make measurable progress toward a zero-emission industrial sector in this decade.