Complete funding guide for artificial intelligence entrepreneurs in Cambridge. Find 10 VC funds, 3 accelerators,2 angel networks, and 4 grant opportunities.
The artificial intelligence startup ecosystem in Cambridge has experienced remarkable growth, with $291M in funding across 184 deals in 2025.This represents 38% year-over-year growth compared to the previous year, positioning Cambridgeas a highly competitive market forartificial intelligence innovation.
The average funding round size of $9M reflects strong investor confidence in Cambridge-based artificial intelligence startups. Competition levels are currently high, with 10 active VC funds specifically targeting this sector.
Cambridge offers a concentrated artificial intelligence ecosystem with specialized talent
Strong government support for artificial intelligence innovation and R&D tax incentives
Access to leading universities and research institutions in the region
Lower operational costs compared to traditional tech hubs like San Francisco
seed stage focus • 56 portfolio companies
series-a stage focus • 33 portfolio companies
series-b stage focus • 38 portfolio companies
seed stage focus • 20 portfolio companies
series-b stage focus • 47 portfolio companies
series-a stage focus • 62 portfolio companies
seed stage focus • 41 portfolio companies
series-b stage focus • 45 portfolio companies
seed stage focus • 46 portfolio companies
series-a stage focus • 42 portfolio companies
📍 Cambridge
📍 Cambridge
by Cambridge Innovation Agency
Artificial Intelligence startups based in Cambridge
by Cambridge Innovation Agency
Artificial Intelligence startups based in Cambridge
by Cambridge Innovation Agency
Artificial Intelligence startups based in Cambridge
by Cambridge Innovation Agency
Artificial Intelligence startups based in Cambridge
Strong funding activity as VCs deploy fresh capital from annual fund raises
Peak investment period with increased deal velocity and accelerator demo days
Moderate activity as partners focus on portfolio company support during summer
Year-end push to deploy remaining capital and close pending deals
Artificial Intelligence startup funding in Cambridge is high, with 10 active VC funds and 3 accelerator programs competing for deals. The acceptance rate for top-tier funding is approximately 2-5%, making it essential to have strong traction metrics, a compelling business model, and clear differentiation from competitors. Success factors includeDeep expertise in artificial intelligence domain, Strong technical team with proven track record, Clear market validation and customer traction.
Artificial Intelligence startups in Cambridge raise an average of $9M per funding round, based on 184 deals completed in 2025. This represents 38% year-over-year growthcompared to the previous year. Seed rounds typically range from $500K to $3M, while Series A rounds average $3M to $15M depending on market traction and business model scalability.
Top artificial intelligence accelerators in Cambridge report success rates of 75-85% for follow-on funding, with program lengths ranging from 12-16 weeks and equity terms of 4-7%. The most successful programs focus onartificial-intelligence and startup-growthand provide extensive mentor networks, investor connections, and post-graduation support lasting 2+ years.
Cambridge offers several unique advantages for artificial intelligence startups: Cambridge offers a concentrated artificial intelligence ecosystem with specialized talent, Strong government support for artificial intelligence innovation and R&D tax incentives, and Access to leading universities and research institutions in the region. The local ecosystem includes 10 specialized VC funds, 2 angel networks, and 4 grant programs specifically supporting artificial intelligence innovation.
The optimal fundraising months in Cambridge are February, March, May, when investor activity peaks and deal velocity increases. Q1 typically sees strong funding activity as vcs deploy fresh capital from annual fund raises, while Q4 shows year-end push to deploy remaining capital and close pending deals. Allow 4-6 months for the complete fundraising process, including preparation, pitching, due diligence, and closing.
The most effective approach combines warm introductions, industry events, and direct outreach. Start by leveraging your network for introductions to the 10 active VC funds in Cambridge. Join relevant artificial intelligence meetups, attend pitch competitions, and participate in accelerator demo days. Angel networks like Cambridge Artificial Intelligence Angels host regular investor meetings and can provide valuable early-stage funding and mentorship.
Last updated: 12/8/2025 | Data aggregated from 10 VC funds, 3 accelerators, and 2 angel networks |About our methodology