Startup accelerators and incubators in London

  • 34 organizations
  • Oct 2026 last checked

London tech companies raised $17.7 billion (£13.2 billion) in 2025 and the city is home to 138 unicorns. Dealroom's Global Tech Ecosystem Index 2026 ranks London as Europe's leading tech ecosystem, ahead of Paris, and fourth globally.

Sources: UKTN, reporting Dealroom Global Tech Ecosystem Index 2026, May 2026

London's share of UK smaller-business equity investment was 57% in 2025, down from 60% in 2024, as regions such as the North West and Scotland grew faster. Investment in the North West rose 82% and in Scotland 74%.

Sources: British Business Bank, Small Business Equity Tracker press release, July 2026

34 of 34 shown

  • Antler London

    London

    Startup studioAccelerator VC-backed

    Full-time, in-person residency where Antler helps individual founders find co-founders, builds companies from day zero and invests at inception.

    Duration
    Up to 8 weeks residency, then up to 12 week build-and-raise phase
    Equity
    8.5% (initial GBP 125,000 component)
    Funding
    Up to GBP 500,000 at inception and pre-seed (GBP 125,000 for 8.5% equity as the initial component)
  • Barclays Black Founder Accelerator

    London

    Accelerator Corporate

    A 12-week program pairing Black-founder-led UK tech businesses with Barclays mentors, masterclasses and a founder showcase, culminating in London.

    Run by
    Barclays Eagle Labs
    Duration
    12 weeks
  • Bethnal Green Ventures

    London

    Accelerator VC-backed

    Early-stage tech-for-good accelerator and investor that runs a hybrid program with upfront investment for startups tackling social and environmental problems.

    Founded
    2012

    Social impactClimate & energyHealthtech

  • Blenheim Chalcot

    London

    Startup studio Independent

    Venture builder based in London that originates, funds and scales technology businesses across financial services, education and public-sector ventures.

    FintechEducationHealthtech

  • Brunel Summer Incubator

    London

    Founder center University / research

    A free online eight-week program for early-stage Brunel founders with group clinics, one-to-one mentoring and a concluding online pitch-off.

    Run by
    Brunel University of London
    Duration
    8 weeks
  • Cockpit Arts

    London

    Incubator Independent

    A London craft business incubator giving makers studio space in Bloomsbury and Deptford, in-house business coaching, and awards and bursaries.

    Media & creative

  • Deep Science Ventures

    London

    Startup studio Independent

    Venture studio that pairs scientific research with founder-type scientists to build new science-based companies from scratch across agriculture, climate, pharma and computation.

    Climate & energyLife sciencesFood & agricultureDeep tech

  • DigitalHealth.London Accelerator

    London

    AcceleratorPublic program Public body

    Twelve-month NHS-linked program giving digital health companies an assigned NHS Navigator, workshops and introductions to speed adoption across London's health system.

    Run by
    Health Innovation Network South London
    Duration
    12 months

    Healthtech

  • Entrepreneur First

    London · Also in San Francisco, Bangalore

    Accelerator Independent

    Pre-company talent program that matches individuals into co-founding teams and backs them with an equity-free grant plus up to 250000 dollars investment once a company forms.

  • FinTech Innovation Lab London

    London

    Accelerator Corporate

    A 12-week fintech accelerator in London where startups refine and test their value proposition with mentors and partners from more than 45 financial institutions.

    Run by
    Accenture
    Duration
    12 weeks

    Fintech

  • Founders Factory

    London

    Startup studioAccelerator Independent

    Venture studio and accelerator that co-founds and runs pre-seed/seed programs together with corporate partners such as Aviva, Rio Tinto and HSBC.

    FintechHealthtechDeep techClimate & energyIndustry & manufacturing

  • Geovation Accelerator

    London

    Accelerator Public body

    Accelerator run by Ordnance Survey with HM Land Registry and Defra, giving early-stage startups workspace, data access, mentoring and up to 20000 pounds equity-free funding across two tracks.

    Run by
    Ordnance Survey, in association with HM Land Registry and Defra
    Duration
    6 months intensive, plus 6 months lighter support (18 months workspace access)
    Equity
    none
    Funding
    Up to GBP 20,000, equity-free, paid in five instalments

    Property & constructionClimate & energy

  • Imperial Enterprise Lab

    London

    Founder center University / research

    Imperial College London's entrepreneurship center, running the Venture Catalyst Challenge pre-accelerator, the WE Innovate women-founder program, Global Challenge Lab and free mentoring for students, staff and postdocs.

    Run by
    Imperial College London
    Funding
    WE Innovate offers a share of a GBP 30,000 equity-free prize fund
  • Imperial Incubator

    London

    Incubator University / research

    A non-profit lab-space incubator run by Imperial College London for early-stage deep tech and life sciences startups in White City, Hammersmith and Old Oak, with coaching and mentoring.

    Run by
    Imperial College London

    Deep techLife sciences

  • InnovationRCA Start-up Programme

    London

    Incubator University / research

    An incubation program for Royal College of Art graduating students and alumni offering pre-seed funding, business coaching, masterclasses and office space at InnovationRCA in Battersea.

    Run by
    Royal College of Art
    Equity
    small equity share depending on investment amount
    Funding
    pre-seed funding
  • Insurtech Gateway

    London

    Incubator VC-backed

    Specialist insurtech incubator and investor based in London that takes pre-seed and seed founders through incubation, with follow-on funding from its own institutional funds.

    Insurtech

  • King's Start-up Accelerator

    London

    AcceleratorFounder center University / research

    King's College London Entrepreneurship Institute's flagship 12-month accelerator for the university's most promising student and alumni ventures, formerly called the King's20 Accelerator.

    Run by
    King's College London
    Duration
    12 months
  • LBS Launchpad

    London

    Founder center University / research

    Student-led pre-accelerator at London Business School, run by the Entrepreneurship Club with the Institute of Entrepreneurship and Private Capital, feeding into the LBS Incubator.

    Run by
    London Business School
    Funding
    Demo Day winners share GBP 18,000 in cash prizes
  • Lloyd's Lab

    London

    Accelerator Corporate

    An InsurTech accelerator at Lloyd's in London, running two cohorts a year with around ten teams that work with Lloyd's market mentors and co-working space.

    Run by
    Lloyd's
    Duration
    ten weeks

    Insurtech

  • LSE Generate

    London

    Founder centerIncubator University / research

    LSE's entrepreneurship center for students, staff and alumni, offering free co-working, pitch coaching and, since 2026, a year-long Fellowship Program that replaced its previous three-month Accelerator.

    Run by
    London School of Economics and Political Science
    Equity
    none (equity-free)
    Funding
    GBP 1,000 (Ideation track) or GBP 3,000 (Acceleration track) in equity-free funding for Fellows who complete the programme
  • MedTech SuperConnector (MSK Innovation Accelerator)

    London

    Accelerator University / research

    A six-month equity-free entrepreneurship and evidence-generation program at Imperial College London for early-career researchers and clinicians commercializing medtech innovations.

    Run by
    Imperial College London
    Duration
    6 months
    Equity
    equity-free
    Funding
    possible investment of up to £100,000 from ORUK after the programme

    Healthtech

  • NatWest Entrepreneur Accelerator (London hub)

    London

    Coworking with program Corporate

    Corporate-run hub offering co-working and growth support to small business owners and entrepreneurs, open to non-NatWest-customers, with no equity taken.

    Run by
    NatWest
    Equity
    none
    natwest.com Upcoming: Nov 2026 · Checked Oct 2026
  • Plexal

    London

    IncubatorCoworking with program Independent

    Innovation hub at Here East running growth programs for startups and scaleups, including the Cyber Runway cybersecurity accelerator and the Barclays Eagle Labs Scaleup Program.

    Duration
    4 months (Scaleup Programme)

    Cybersecurity

  • QMUL QIncubator

    London

    IncubatorFounder center University / research

    Queen Mary University of London's flagship incubator, an 8-week entrepreneur-led program combining enterprise training, coaching and peer learning for students, graduates and researchers.

    Run by
    Queen Mary University of London
    Duration
    Phase 1 (January-March): weekly Tuesday evenings; optional Phase 2 (April-May) for selected ventures
    Funding
    Teams pitch for a share of up to GBP 15,000
  • Techstars London Accelerator

    London

    Accelerator Independent

    Mentorship-driven, three-month accelerator for early-stage startups from any sector, ending in a London demo day in front of investors.

    Duration
    3 months
  • The Fashion Residency at Studio Smithfield

    London

    Incubator Public body

    A residency giving six UK fashion designers per cohort free studio space, mentoring and business planning training at Studio Smithfield in the City of London.

    Run by
    Projekt
    Duration
    18 months

    Media & creative

  • The Generator (University of Greenwich)

    London

    Founder center University / research

    The University of Greenwich's enterprise hub, offering students free one-to-one advice with enterprise advisors, bootcamps, bursaries and an annual Enterprise Challenge competition with mentoring.

    Run by
    University of Greenwich
  • The Trampery – Evo Pioneers

    London

    Coworking with programIncubator Independent

    Twelve-month business-support program combining workspace, coaching and community for early-stage creative and fashion entrepreneurs across The Trampery's London sites.

    Duration
    12 months
  • UAL Creative Business Accelerator

    London

    Accelerator University / research

    A program for UAL graduates who run trading creative businesses, with workshops, mentoring and a milestone-based participation bursary, developed with Google for Startups.

    Run by
    University of the Arts London

    Media & creative

  • UCL Hatchery

    London

    IncubatorFounder center University / research

    UCL's equity-free, two-year startup incubator for students and recent graduates based at BaseKX in King's Cross, admitting new cohorts each spring and autumn.

    Run by
    University College London
    Duration
    2 years, with an 8-week induction phase
    Equity
    none (equity-free)
  • Undaunted (The Greenhouse)

    London

    Accelerator University / research

    A 12-month climate-tech accelerator for pre-seed startups and spinouts, offering up to 20,000 pounds of equity-free grant funding plus investor-readiness support.

    Run by
    Imperial College London
    Duration
    12 months
    Funding
    up to £20k grant funding

    Deep techClimate & energy

  • Virgin StartUp – Empower100

    London

    AcceleratorPublic program Independent

    Free eight-week accelerator for underrepresented small business owners based in Greater London, funded via the UK Shared Prosperity Fund, covering growth, funding and pitch skills.

    Run by
    Virgin StartUp
    Duration
    8 weeks
    Funding
    Fully funded (no cost to founders)
  • WeNetwork Activate (University of Westminster)

    London

    Accelerator University / research

    A growth program for Westminster student and graduate founders combining funding, mentoring, specialist workshops and networking through the Westminster Enterprise Network.

    Run by
    University of Westminster
    Funding
    £5,000 grants from the Tej Lalvani Business Grant
  • Zinc

    London

    Startup studio VC-backed

    London-headquartered venture builder that selects individuals, helps them find co-founders and builds new science-led companies tackling health and environmental problems.

    HealthtechClimate & energyDeep tech

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?

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