81 Top startups in Stamford for April 2025

We rank Copyleaks Inc., Tomo and SpringWorks Therapeutics in Stamford along with 78 other startups based on an algorithm that scores startups based on total investment, employee count, and quarterly website traffic. Stamford is part of New York startup ecosystem which ranks #2 globally and #2 in North America.

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Best Startups in Stamford for 2025

SB Score:566

Using advanced AI and ML technology, our platform detects plagiarism, paraphrased content, and non-verbatim text in over 100 languages. It goes beyond word-for-word checks to identify if the meaning of the text is plagiarized, providing a comprehensive solution for ensuring originality and authenticity.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

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2nd

Tomo
SB Score:493

Tomo is a fintech startup dedicated to transforming residential mortgages and enhancing the home-buying experience through its subsidiaries, Tomo Mortgage and Tomo Real Estate. By digitizing the mortgage process, Tomo aims to streamline transactions and empower buyers with a more efficient and accessible approach to home ownership.

Industry:
Fintech
Subindustry:
Financial Services

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SpringWorks is a clinical-stage biopharmaceutical company applying a precision medicine approach to acquiring, developing and commercializing life-changing medicines for patients living with severe rare diseases and cancer. SpringWorks has a differentiated targeted oncology pipeline spanning solid tumors and hematological cancers, including two potentially registrational clinical trials in rare tumor types as well as several programs addressing highly prevalent, genetically defined cancers. SpringWorks’ strategic approach and operational excellence in clinical development have enabled it to rapidly advance its two lead product candidates into late-stage clinical trials while simultaneously entering into multiple shared-value partnerships with innovators in industry and academia to unlock the full potential for its portfolio and create more solutions for patients with cancer.

Industry:
Healthtech
Subindustry:
Biotechnology

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SB Score:486

Shelf is a platform that helps remote workers quickly access the information they need. Instantly find answers with Shelf's answer automation technology, making work more efficient and productive.

Industry:
Software & Data
Subindustry:
Enterprise Technology

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SB Score:475

SponsorUnited specializes in sponsorship data and advertising services, helping companies connect with potential sponsors. They offer targeted marketing strategies to maximize sponsorship opportunities and drive brand growth.

Industry:
Marketing & Sales
Subindustry:
Adtech

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SB Score:475

Bennie offers a user-friendly app and top-notch brokerage services to simplify and improve access to benefits for all. Their mission is to make benefits easier to understand and obtain, ensuring everyone can enjoy better coverage.

Industry:
Software & Data
Subindustry:
Apps

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SB Score:462

Revolutionize your golf game with a cutting-edge GPS and stat tracking system. Get real-time data on your performance to improve your game. Say goodbye to guesswork and hello to precision on the green.

Industry:
Social & Leisure
Subindustry:
Gaming

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SB Score:440

Clean Origin is a third-generation jewelry company specializing in ethically sourced lab-grown diamonds. By utilizing conflict-free diamonds, it minimizes environmental impact through reduced water and energy consumption, land disturbance, and carbon emissions, all while offering stunning, sustainable designs for conscientious consumers.

Industry:
Ecommerce & Retail
Subindustry:
Consumer Goods

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SB Score:430

Treeline Biosciences, founded in 2021 and based in Stamford, Connecticut, is a biotech company dedicated to developing innovative precision medicines for patients battling cancer and other serious diseases. Their mission focuses on transforming healthcare through advanced therapeutic solutions tailored to individual patient needs.

Industry:
Healthtech
Subindustry:
Biotechnology

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SB Score:385

The XFL Football League features thrilling, fast-paced games with fewer stoppages and simplified rules. It launches with eight teams, each boasting 40-man active rosters, a 10-week regular season, and a postseason that includes two semifinal playoff games leading to a championship showdown.

Industry:
Social & Leisure
Subindustry:
Sports

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SB Score:381

FactorsAI streamlines analytics for businesses, empowering them to improve marketing decisions.

Industry:
Marketing & Sales
Subindustry:
Adtech

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Total amount:81

Top 29 Software & Data Startups in Stamford for 2025

The top three Software & Data startups in Stamford have raised more than USD 205M. Stamford is part of New York startup ecosystem which ranks #2 globally for the Software & Data industry.
SB Score:566

Using advanced AI and ML technology, our platform detects plagiarism, paraphrased content, and non-verbatim text in over 100 languages. It goes beyond word-for-word checks to identify if the meaning of the text is plagiarized, providing a comprehensive solution for ensuring originality and authenticity.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

National Rank (United States)

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Regional Rank (North America)

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SB Score:486

Shelf is a platform that helps remote workers quickly access the information they need. Instantly find answers with Shelf's answer automation technology, making work more efficient and productive.

Industry:
Software & Data
Subindustry:
Enterprise Technology

National Rank (United States)

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Regional Rank (North America)

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SB Score:475

Bennie offers a user-friendly app and top-notch brokerage services to simplify and improve access to benefits for all. Their mission is to make benefits easier to understand and obtain, ensuring everyone can enjoy better coverage.

Industry:
Software & Data
Subindustry:
Apps

National Rank (United States)

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Total amount:29

Top 11 Fintech Startups in Stamford for 2025

The top three Fintech startups in Stamford have raised more than USD 362M. Stamford is part of New York startup ecosystem which ranks #2 globally for the Fintech industry.

1st

Tomo
SB Score:493

Tomo is a fintech startup dedicated to transforming residential mortgages and enhancing the home-buying experience through its subsidiaries, Tomo Mortgage and Tomo Real Estate. By digitizing the mortgage process, Tomo aims to streamline transactions and empower buyers with a more efficient and accessible approach to home ownership.

Industry:
Fintech
Subindustry:
Financial Services

National Rank (United States)

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Regional Rank (North America)

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Global Rank (WorldWide)

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2nd

Tomo
SB Score:335

Tomo is a fintech startup revolutionizing homebuying with a user-friendly digital mortgage and transaction platform. Founded in October 2020 by Greg Schwartz and Carey Armstrong, Tomo Networks streamlines the homebuying process for a seamless and efficient experience.

Industry:
Fintech
Subindustry:
Fintech-Other

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SB Score:329

Trident Digital is revolutionizing market liquidity with a cutting-edge digital asset platform that enhances access, security, and capital efficiency. It enables seamless connections between lenders and borrowers, promoting transparency and reducing reliance on central counterparties.

Industry:
Fintech
Subindustry:
Blockchain

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Total amount:11

Top 9 Social & Leisure Startups in Stamford for 2025

The top three Social & Leisure startups in Stamford have raised more than USD 62.7M. Stamford is part of New York startup ecosystem which ranks #2 globally for the Social & Leisure industry.
SB Score:462

Revolutionize your golf game with a cutting-edge GPS and stat tracking system. Get real-time data on your performance to improve your game. Say goodbye to guesswork and hello to precision on the green.

Industry:
Social & Leisure
Subindustry:
Gaming

National Rank (United States)

0

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Regional Rank (North America)

0

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Global Rank (WorldWide)

0

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SB Score:385

The XFL Football League features thrilling, fast-paced games with fewer stoppages and simplified rules. It launches with eight teams, each boasting 40-man active rosters, a 10-week regular season, and a postseason that includes two semifinal playoff games leading to a championship showdown.

Industry:
Social & Leisure
Subindustry:
Sports

National Rank (United States)

0

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Regional Rank (North America)

0

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Global Rank (WorldWide)

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SB Score:255

Caddie Network offers golf and sports enthusiasts exclusive, behind-the-scenes access to professional golf tours. Get the inside scoop on all the action with this platform designed for fans looking to dive deeper into the world of golf.

Industry:
Social & Leisure
Subindustry:
Digital Media

National Rank (United States)

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Regional Rank (North America)

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Total amount:9

Most Funded Startups in Stamford for 2025

The top three most funded startups in Stamford have raised total funding of more than USD 1.36B. Treeline Biosciences has 2.73% more funding than Tomo.
SB Score:430

Treeline Biosciences, founded in 2021 and based in Stamford, Connecticut, is a biotech company dedicated to developing innovative precision medicines for patients battling cancer and other serious diseases. Their mission focuses on transforming healthcare through advanced therapeutic solutions tailored to individual patient needs.

Industry:
Healthtech
Subindustry:
Biotechnology

National Rank (United States)

0

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Regional Rank (North America)

0

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Global Rank (WorldWide)

0

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2nd

Tomo
SB Score:493

Tomo is a fintech startup dedicated to transforming residential mortgages and enhancing the home-buying experience through its subsidiaries, Tomo Mortgage and Tomo Real Estate. By digitizing the mortgage process, Tomo aims to streamline transactions and empower buyers with a more efficient and accessible approach to home ownership.

Industry:
Fintech
Subindustry:
Financial Services

National Rank (United States)

0

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Regional Rank (North America)

0

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Global Rank (WorldWide)

0

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SpringWorks is a clinical-stage biopharmaceutical company applying a precision medicine approach to acquiring, developing and commercializing life-changing medicines for patients living with severe rare diseases and cancer. SpringWorks has a differentiated targeted oncology pipeline spanning solid tumors and hematological cancers, including two potentially registrational clinical trials in rare tumor types as well as several programs addressing highly prevalent, genetically defined cancers. SpringWorks’ strategic approach and operational excellence in clinical development have enabled it to rapidly advance its two lead product candidates into late-stage clinical trials while simultaneously entering into multiple shared-value partnerships with innovators in industry and academia to unlock the full potential for its portfolio and create more solutions for patients with cancer.

Industry:
Healthtech
Subindustry:
Biotechnology

National Rank (United States)

0

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Regional Rank (North America)

0

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Global Rank (WorldWide)

0

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Total amount:81

Top Hiring Startups in Stamford by Employee Number

The top three hiring startups in Stamford have an median employee size that is between [251-500]
SB Score:375

OutlookSoft is a provider of business planning and performance management solutions. It develops predictive performance management solutions and provides a single performance management platform for strategic planning, budgeting, forecasting, statutory consolidation, reporting, analysis, predictive analytics, scorecarding, and dashboards. The company also delivers related consulting, training, implementation, and ongoing product or client support services. OutlookSoft’s solutions are used by various organizations and users to measure, manage, and predict their financial and operational performance. It serves various industries, including manufacturing, financial services, and public sectors. The company was founded in 1999 and is based in Stamford, Connecticut with additional offices in the United States, the United Kingdom, France, Switzerland, and Italy.

Industry:
Software & Data
Subindustry:
Enterprise Technology

National Rank (United States)

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Regional Rank (North America)

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SpringWorks is a clinical-stage biopharmaceutical company applying a precision medicine approach to acquiring, developing and commercializing life-changing medicines for patients living with severe rare diseases and cancer. SpringWorks has a differentiated targeted oncology pipeline spanning solid tumors and hematological cancers, including two potentially registrational clinical trials in rare tumor types as well as several programs addressing highly prevalent, genetically defined cancers. SpringWorks’ strategic approach and operational excellence in clinical development have enabled it to rapidly advance its two lead product candidates into late-stage clinical trials while simultaneously entering into multiple shared-value partnerships with innovators in industry and academia to unlock the full potential for its portfolio and create more solutions for patients with cancer.

Industry:
Healthtech
Subindustry:
Biotechnology

National Rank (United States)

0

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Regional Rank (North America)

0

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Global Rank (WorldWide)

0

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SB Score:475

SponsorUnited specializes in sponsorship data and advertising services, helping companies connect with potential sponsors. They offer targeted marketing strategies to maximize sponsorship opportunities and drive brand growth.

Industry:
Marketing & Sales
Subindustry:
Adtech

National Rank (United States)

0

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Regional Rank (North America)

0

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Global Rank (WorldWide)

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SB Score:101

Newwe enhances employee productivity and team cohesion in hybrid work settings through gamified experiences. Maximize utilization and engagement with our platform.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

National Rank (United States)

0

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Regional Rank (North America)

0

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Global Rank (WorldWide)

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Total amount:81

Explore the Startup Ecosystem of Stamford

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Top Cities for Startups in United States - Ranked by StartupBlink

StartupBlink ranks the startup ecosystems of more than 100 countries and 1,000 cities. Download our latest Global Startup Ecosystem Report.
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2024 National Rank CityGlobal Rank
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Total Score

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Quantity Score
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Quality Score
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Business Score
1st
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1st
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710.966
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2nd
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2nd
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251.377
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3rd
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4th
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121.937
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00.00
4th
0
5th
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109.679
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