Healthtech startups in London

London digital-first home-healthcare company using an AI platform to predict deterioration and deliver care in people's homes at scale, easing NHS/hospital strain. Raised $150m (debt+equity) in January 2025 ...

Ali Parsa

Founded 2013; pioneered AI symptom-checking and the NHS 'GP at Hand' digital-first service, and went public on the NYSE via SPAC in 2021 at a $4.2B valuation. Collapsed into administration in September 2023 ...

Ken Mulvany

Founded 2013, one of the earliest AI-first drug-discovery companies, using its Benevolent Platform to mine biomedical data for novel targets. Listed on Euronext Amsterdam via SPAC in 2022 at ~€1.5B; cut staf...

Ben Maruthappu, Mahiben Maruthappu

Founded 2016, a tech-enabled home healthcare provider delivering millions of in-home care visits and using AI to predict patient deterioration and cut hospital admissions. Raised $150M in January 2025 to sca...

Tania Boler, Alexander Asseily

Femtech/consumer-health hardware founded 2013 (as Chiaro), maker of the silent wearable Elvie Pump breast pump and Elvie Trainer pelvic-floor device. Raised a £70.7M Series C in 2021 (a landmark femtech roun...

Dmitry Gurski, Yuri Gurski

Femtech founded 2015; the world's most-downloaded period, cycle and pregnancy tracking app with 70M+ monthly users. In 2024 raised a $200M Series C led by General Atlantic at a $1B+ valuation, making it Euro...

Dan Vahdat

Founded 2011 as Medopad, rebranded Huma; a remote patient monitoring and 'digital-first' care platform used by the NHS, pharma and hospitals. Raised $80M in July 2024 as it opened its platform for third-part...

Demis Hassabis

Founded 2021 as an Alphabet company spun out of Google DeepMind, applying AlphaFold-derived AI to rational drug design. In 2024 struck research collaborations with Eli Lilly and Novartis; in April 2025 raise...

Peter Kecskemethy, Tobias Rijken

Founded 2016 at 207 Old Street; developed Mia, deep-learning software that reads mammograms to catch breast cancer earlier. Raised a €20M/$22M+ Series A led by Atomico. Acquired in October 2024 by DeepHealth...

Ross Harper, Sebastiaan de Vries

Founded 2017, clinical AI for mental healthcare; its assistant and chatbot triage and support patients within NHS Talking Therapies (IAPT) services, addressing the therapy supply-demand gap. Raised a $14M Se...

Meri Beckwith, Michael Young

Founded 2021, the self-styled 'anti-CRO' offering a tech-enabled platform to run clinical trials faster and cheaper end-to-end. Raised a $55M Series B in 2025 led by Balderton, bringing total funding to ~$81...

Sokratis Papafloratos

Founded 2018, a direct-to-consumer men's and preventative-health platform spanning weight/obesity management (GLP-1), men's health, and at-home diagnostics. Reported ~$90M (£66.6M) revenue in 2024 and raised...

Barney Gilbert, Lydia Yarlott, Philip Mundy

Founded 2016 as Forward Health, rebranded Pando in 2020; a secure clinical-messaging and collaboration platform (the 'clinical WhatsApp') used by tens of thousands of NHS professionals for image and patient-...

Mridula Pore, Evan Harris, Max Landry

Founded 2018 at 13 Southampton Place; a B2B employee-benefit platform giving staff expert support in menopause, fertility, men's health and early parenthood. Raised a £37.1M (~$45M) Series B in January 2023 ...

Emilia Molimpakis, Stefano Goria

Founded 2020, builds video-game-inspired, AI-driven tools that analyse speech, facial and behavioural biomarkers to make mental-health assessment (e.g. depression) more objective and continuous. Raised a €2....

Dominic Pimenta

Founded 2023, builds regulated 'ambient' clinical-AI; its O.S.L.E.R. assistant listens to consultations and drafts documentation into EHRs. Raised a $4.2M seed led by Khosla Ventures (Feb 2024); the first UK...

Nick Taylor

Founded 2016 at 140 Borough High Street; a workplace mental-health platform used by enterprises for clinically-backed therapy, coaching and measurement. Raised a $47M Series B and later a Series C (€30.6M, 2...

Tim Spector, Jonathan Wolf, George Hadjigeorgiou

Founded 2017, a personalised-nutrition company pairing at-home microbiome and blood-glucose/lipid testing with an app that scores foods and coaches diet. Grew out of the COVID Symptom Study; raised ~£90M to ...