Startup accelerators and incubators in Boston

  • 17 organizations
  • 6 cities
  • Oct 2026 last checked

Massachusetts startups raised $16.7 billion in venture capital in 2025, a 12% increase from 2024, according to the PitchBook-NVCA Venture Monitor. Startup Genome's 2026 report ranks Boston fifth among global startup ecosystems.

Sources: The Boston Globe, reporting the PitchBook-NVCA Venture Monitor, January 2026 · Startup Genome, Boston, GSER 2026

Venture funds based in Massachusetts raised $3.1 billion in 2025, less than half the 2024 amount. MassVentures allocated $4.5 million through its START program to 26 deep tech startups in 2025.

Sources: The Boston Globe, reporting the PitchBook-NVCA Venture Monitor, January 2026 · Startup Genome, Boston, GSER 2026

17 of 17 shown

  • Activate Fellowship Boston

    Cambridge

    Accelerator Independent

    A two-year fellowship for scientists and engineers building hard-tech startups, with a living stipend, R&D funding and mentoring, based in Kendall Square, Cambridge.

    Run by
    Activate
    Duration
    two years
    Equity
    zero equity
    Funding
    $100K living stipend and $100K in R&D support per year

    Deep techLife sciencesClimate & energyFood & agriculture

  • Babson Summer Venture Program

    Wellesley · Also in Boston

    Accelerator University / research

    A 10-week summer accelerator for Babson student teams, working from co-working spaces on the Wellesley and Boston campuses and ending in the Summer Venture Showcase.

    Run by
    Babson College
    Duration
    10 weeks
  • Bentley Entrepreneurship Hub (E-Hub) Incubator Program

    Waltham

    Founder centerIncubator University / research

    Bentley University's three-phase student incubator giving mentoring, training and staged seed funding to student-led startup teams, with CIC access for later-phase teams.

    Run by
    Bentley University
    Funding
    $1,000 (Phase 1), $3,000 (Phase 2), $10,000 (Phase 3) seed funding
  • Derby Entrepreneurship Center at Tufts

    Medford

    Founder center University / research

    Tufts University's entrepreneurship center offering courses, competitions, equity-free funding and an accelerator for student and community founders.

    Run by
    Tufts University
  • Greentown Labs

    Somerville

    Incubator Independent

    A nonprofit climatetech incubator with shared prototyping labs and workspace, connecting member startups to corporate partners, capital, and customers.

    Climate & energy

  • Innovate@BU / BUild Lab

    Boston

    Founder center University / research

    Boston University's entrepreneurship center running fellowships, a summer accelerator, seed grants, a new venture competition and expert-in-residence mentoring.

    Run by
    Boston University
  • JLABS @ LabCentral

    Cambridge

    Incubator Corporate

    A Johnson & Johnson Innovation JLABS site at LabCentral 700 in Kendall Square, giving life-science startups lab space and operational support under a no-strings-attached model that leaves IP with founders.

    Run by
    Johnson & Johnson Innovation

    Life sciences

  • LabCentral

    Cambridge

    Incubator Independent

    A shared lab community giving early-stage life-science startups permitted wet-lab and office space, equipment access, and a sponsor-funded Golden Ticket residency program.

    Life sciences

  • MassChallenge

    Boston

    Accelerator Independent

    Nonprofit that takes no equity and runs cohort accelerator programs such as Traction Challenge and Breakthrough Bio, with its home base in Boston.

    Founded
    2009

    HealthtechLife sciencesCybersecurityFood & agricultureClimate & energyFintech

  • MIT delta v

    Cambridge

    Accelerator University / research

    Summer accelerator run by the Martin Trust Center for MIT Entrepreneurship, giving selected teams USD 75K equity-free funding, mentors and perks, ending in a Demo Day at MIT.

    Run by
    MIT Martin Trust Center for MIT Entrepreneurship
    Equity
    equity-free
    Funding
    $75K equity-free funding
  • MIT DesignX

    Cambridge

    Accelerator University / research

    Accelerator at the MIT Morningside Academy for Design that works with impact-driven MIT students, labs and collaborators and has an open application for its 2026 accelerator cohort.

    Run by
    MIT Morningside Academy for Design
  • MIT Sandbox Innovation Fund Program

    Cambridge

    Founder center University / research

    A student entrepreneurship program offering mentoring and up to $25,000 of non-dilutive funding to early-stage MIT student teams.

    Run by
    Massachusetts Institute of Technology
    Funding
    up to $25,000 non-dilutive
  • MIT Venture Mentoring Service

    Cambridge

    Founder center University / research

    A free, confidential mentoring service pairing entrepreneurs from the MIT community in the Boston area with teams of volunteer mentors, offered since 2000.

    Run by
    Massachusetts Institute of Technology
    Founded
    2000
  • Nucleate Boston (Activator)

    Boston

    Accelerator Independent

    A nonprofit chapter running the equity-free Activator program for emerging biotech founders and early-stage teams, with mentors, workshops and a final pitch showcase.

    Run by
    Nucleate
    Equity
    equity-free

    Life sciences

  • Techstars Boston

    Boston

    Accelerator Independent

    A three-month mentorship-driven cohort accelerator for early-stage startups, part of the global Techstars network, based in Boston.

    Duration
    3 months

    AIHardware & IoTHealthtechLife sciences

  • The Engine

    Cambridge

    Incubator Independent

    A nonprofit incubator and accelerator for early-stage Tough Tech companies, providing managed wet lab, engineering and office space, educational programs and an investor and partner network.

    Deep tech

    engine.xyz Upcoming: Oct 2026 · Checked Oct 2026
  • Tufts Launchpad | BioLabs

    Boston

    Incubator Corporate

    A 14,000 square-foot licensed co-working lab for early-stage scientific ventures, run by BioLabs with Tufts University, with shared labs, on-site operations staff and access to Tufts core facilities.

    Run by
    BioLabs

    Life sciences

How this list is made

Every card on this page passed the same three checks before it was published.

  1. 1

    Opened on its own website

    Each organization was read on its own site, not on a directory or press page.

  2. 2

    Active in the last 18 months

    A dated cohort, open call, demo day or news item is required. Its date is on the card; an announced one shows as Upcoming.

  3. 3

    Checked a second time

    A separate review re-read every record. Anything it could not confirm was left out.

What gets listed

  • Accelerator cohorts
  • Incubation with coaching or lab access
  • Startup studios
  • University founder centers
  • Public programs with an application process

What is left out

  • Investment funds without a program
  • Office or coworking space without a program
  • Programs with no dated activity in 18 months

Only what they state

Sector focus, duration, equity and funding appear only where the organization states them itself. A blank means it does not say, not that the answer is none.

Spotted a mistake?

Something out of date, or a program missing? Write to info@mentornity.com with a link to the official page.

Running a program like these?

Our guide covers how accelerators and incubators set up mentor pools, match founders with mentors and keep track of sessions across a cohort.

Read the accelerator and incubator mentoring guide