25madison is a venture platform, building companies from the ground up and investing in early-stage startups.
Our venture studio partners with entrepreneurs — leveraging branded experiences, our accomplished team, and collaborative approach to turn high-conviction ideas into big businesses.
With 25madison Ventures Fund I, we invest pre-seed to series A with a focus on SaaS, tech-enabled services consumer internet and consumer products.
Better results, together through…
Branded Experiences
A nimble team of marketing mavens, creative geniuses, tech wizards, and user experience experts – we build branded experiences – ones that have form, function, and deliver results.
Accomplished Advisors
With decades of operating experience, our champion founders know what it takes to build successful businesses from the ground up.
Collaborative to the Core
We attract ambitious founders and startup team-members that value community. Each company has a core team - that means on any given day, you’re collaborating, sharing best practices, key failures, and pivotal moments for your business.
Let’s do big things.
Our venture studio partners with entrepreneurs — leveraging branded experiences, our accomplished team, and collaborative approach to turn high-conviction ideas into big businesses.
With 25madison Ventures Fund I, we invest pre-seed to series A with a focus on SaaS, tech-enabled services consumer internet and consumer products.
Better results, together through…
Branded Experiences
A nimble team of marketing mavens, creative geniuses, tech wizards, and user experience experts – we build branded experiences – ones that have form, function, and deliver results.
Accomplished Advisors
With decades of operating experience, our champion founders know what it takes to build successful businesses from the ground up.
Collaborative to the Core
We attract ambitious founders and startup team-members that value community. Each company has a core team - that means on any given day, you’re collaborating, sharing best practices, key failures, and pivotal moments for your business.
Let’s do big things.
Location: United States, New York
Employees: 11-50
Founded date: 2018
Investment Type: Venture Capital; Accelerator
Investment Stage: Pre-Seed; Seed; Series A
Portfolio 19
| Date | Name | Website | Total Raised | Location |
| 19.05.2026 | Century He... | century.health | $5M | United Sta... |
| 06.04.2026 | Miravoice | miravoice.com | $6.3M | United Sta... |
| 23.07.2025 | Ovasave | ovasave.com | $1.2M | UAE |
| 14.07.2023 | Novacy | novacy.io | - | Israel, Te... |
| 14.07.2023 | Paxton AI | paxton.ai | $28M | United Sta... |
| 14.07.2023 | Midi Healt... | joinmidi.com | $262M | United Sta... |
| 14.07.2023 | Clearpol | clearpol.com | - | United Sta... |
| 12.04.2023 | TMRW Sport... | tmrwsportsgroup.com | - | United Sta... |
| 12.04.2023 | VineSight | vinesight.com | $4M | - |
| 12.04.2023 | Croissant | croissant.com | $52M | United Sta... |
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Persons 13
| Date | First Name | Last Name | Title | Location | |||
| - | Margaret | Strickland | Vice Presi... | linkedin.c... | - | M*********... | - |
| - | Grant | Silow | Managing D... | linkedin.c... | - | g*********... | - |
| - | Jaja | Liao | Principal,... | - | - | - | |
| - | Justine | Lee | Senior Adv... | linkedin.c... | - | j*********... | - |
| - | Julia | Sigal | Director | linkedin.c... | - | j*********... | - |
| - | humite | jones | Buyer | linkedin.c... | - | i**o@25mad... | - |
| - | Steven | Price | - | linkedin.c... | - | - | - |
| - | Natan | Reddy | - | linkedin.c... | - | - | - |
| - | Alex | Toporek | Associate | linkedin.c... | - | - | - |
| - | Michael | Josephs | Strategic ... | linkedin.c... | - | m*********... | - |
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Mentions in press and media 23
| Date | Title | Description |
| 23.06.2026 | Ladder Health Raises $7M in Seed Funding | Ladder Health, a Boston, MA-based virtual-first pediatric developmental care company, raised $7M Seed funding. The round was led by Nina Capital, with participation from Mairs and Power Venture Capital, South Dakota First Capital, 25madison... |
| 21.05.2026 | Century Health: $5 Million Seed Raised For AI-Powered Clinical Data Abstraction Platform | Century Health, a health technology company applying AI to real-world clinical data for research and therapeutic development, announced an oversubscribed $5 million seed round led by Origin Ventures. Additional participants in the financing... |
| 20.05.2026 | Century Health Raises $5M in Seed Funding | Century Health, a NYC-based company which specializes in applying AI to real-world clinical data to accelerate research, raised $5M in Seed funding. The round was led by Origin Ventures with participation from InnovateHealth Ventures, 25mad... |
| 19.05.2026 | Century Health Raises $5M for CHARM AI Platform to Accelerate Life Sciences Research | What You Should Know Century Health has closed an oversubscribed $5M seed financing round led by Origin Ventures, bringing its total funding to an industry-accelerated position. The platform’s proprietary Century Health Abstraction & Re... |
| 14.05.2026 | Ranger AI Raises $8.4M in Seed Funding | Ranger AI, a San Francisco, CA-based developer of an agentic revenue operations platform for industrial tendering, raised $8.4m in seed funding. The round was led by Bonfire Ventures, with participation from 25madison, Inovia Capital, and P... |
| 06.04.2026 | Miravoice Raises $6.3M in Seed Funding | Miravoice, a San Francisco, CA-based agentic AI startup that enables automated phone surveys and interviews, raised $6.3m in seed funding. The round was led by Unusual Ventures, with participation from Neo and 25madison, as well as Karim At... |
| 18.07.2025 | "We Got Funded!" Hub71 Startup's Ovasave Raises US$1.2 Million to Transform Fertility and Hormonal Care Across MENA Founded in 2023, Ovasave offers women a seamless, digital-first experience... | Ovasave, a Hub71 FemTech startup focused on fertility and hormonal health, has successfully completed its pre-seed round, raising US$1.2 million from a mix of regional and international investors. The round was led by PlusVC, Annex Investme... |
| 02.07.2025 | Handspring Secures $12M to Expand Youth Mental Health Virtual Therapy | What You Should Know: – Handspring, a mental health provider specializing in high-quality virtual therapy for youth, young adults, and their families secures $12M in Series A funding led by Cobalt Ventures, with participation from NextView ... |
| 10.05.2025 | Kouper's $10M Funding: A New Dawn for Patient Care Transitions | Kouper has emerged from the shadows, ready to change the game in healthcare. With a fresh $10 million in funding, this New York City-based startup is poised to tackle one of the most challenging aspects of healthcare: transitions of care. T... |
| 09.05.2025 | Kouper Emerges from Stealth with $10M to Transform Patient Care Transitions | What You Should Know: – Kouper, a health technology platform engineered to revolutionize transitions of care, formally announced its launch from stealth mode, backed by $10M in funding. – The investment round was led by General Catalyst, 25... |
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