Series B Healthtech companies in London

Companies building software and devices for clinicians, patients, and payers. Filtered to Series B-stage companies headquartered in London.

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Ranked by current headcount across Series B Healthtech companies in London. Refreshed monthly.

1
HealthHero· London, England, United Kingdom
HealthHero is a digital-first, end-to-end healthcare provider. We connect smart digital tools with gold-standard clinical expertise to enhance people’s whole health and optimise healthcare efficiency. Active in the UK, Ireland, France and Germany, HealthHero offers 5 million consultations annually and provides services to 30 million covered lives. Our mission is simplifying healthcare, improving lives.
- Series B
- 511 employees
- Founded 2019
2
Releaf· London, England, United Kingdom
Releaf was launched in February 2024 as a HealthTech company dedicated to transforming access to Cannabis Based Products for Medical use (CBPMs) in the UK. Releaf are redefining the way medical cannabis supports treatment plans for an underserved segment of the UK population; offering an innovative, specialist approach to patient care and addressing issues such as a fragmented supply chain, poor patient acquisition strategies and a lack of clinical excellence.Releaf has made significant investments in developing a HealthTech platform to streamline access to CBPMs for patients with various health conditions. The platform was launched in February 2024, eliminating previous barriers and bringing about fundamental changes in the UK's CBPM sector.Our Leadership Team has a proven track record in navigating complex, regulated markets. Through substantial investments in time, money, and expertise, we have developed Releaf's HealthTech operating platform. This platform simplifies the intricate and makes the opaque transparent, ensuring a seamless, single online session for patients to access CBPMs for their relevant conditions.Press enquiries: Press@releaf.co.uk
- Series B
- 203 employees
- Founded 2024
3
Doccla· London, England, United Kingdom
Doccla is redefining where and how healthcare is delivered.We enable hospitals and health systems to care for patients at home through virtual wards and remote monitoring. Our platform supports patients across the full care journey: from early discharge and acute recovery to long-term condition management and proactive care.Doccla provides everything clinicians need to deliver safe, effective virtual care. That includes medical-grade devices, logistics, patient onboarding, EHR integration and an end-to-end clinical platform designed around real-world workflows.We work with leading health systems including over 60% of NHS ICB's to reduce hospital pressure, improve outcomes, and create a more resilient model of care.Want to learn more or partner with us?📩 hello@doccla.com🌐 www.doccla.com🚀 Interested in joining our team? Check out our careers page.
- Series B
- 168 employees
- Founded 2019
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4
Birdie· London, England, United Kingdom
🚀 We are hiring 🚀 → www.birdie.care/join-usBirdie is the smart homecare technology partner, helping agencies work smarter – not just harder.Our all-in-one platform connects care management, rostering, finance, auditing, and workforce planning, surfacing insights and automating admin so care teams can focus on delivering outstanding care.Trusted by over 1,000 providers and powering 60M+ visits annually, Birdie supports agencies across the UK and Europe to improve care quality and drive sustainable growth.A certified B Corp, Birdie was named one of the top Home Health Tech providers in CB Insights’ 150 Most Innovative Digital Health Startups, and partners with health and research bodies to support proactive, preventative care at home.Together we fly.
- Series B
- 156 employees
- Founded 2017
5
DrDoctor· Newington, Waterloo, London Bridge, Southwark, Lambeth North, New Kent Road, Westminster Bridge, Southwark Cathedral, Lambeth, Old Kent Road, South Bank, Borough, Bermondsey, England, United Kingdom
At DrDoctor we’re building the future of outpatient care.DrDoctor is a patient engagement platform that helps the NHS activate patients in their care and increase capacity through waitlist validation and remote management. Our mission is to improve efficiency in healthcare, and ultimately enable the NHS to break the enormous backlog of patients needing care.How do we do this? We are innovators. Our cloud-based patient management tools automate and virtualise processes and care, so that Doctors can focus on their patients, and that patients can engage as true partners in their care.Our vison is that all care will be provided based on the needs of the patient and their condition. That you’ll have a real time, two-way dialogue with your doctor and care will be provided in the setting that suits you most.We are made up of some of the most skilled, talented, and passionate people in the industry. We love the NHS, and we love what we do.To understand what we do in more detail, take a trip to our website: www.drdoctor.co.uk
- Series B
- 125 employees
- Founded 2012

6
Skin Analytics· London, England, United Kingdom
Skin Analytics is on a mission to help more people survive skin cancer. Our DERM AI technology - the world's only Class III CE-marked AI medical device for skin cancer assessment, is already deployed across 24 NHS hospitals and through our partnership with Bupa. DERM helps healthcare systems build robust skin cancer pathways. Since its first NHS deployment in 2020, DERM has assessed more than 230,000 patients and identified over 20,000 cancers.Some things we’re a little bit proud of:🚀We’ve worked with the NHS since 2020 and DERM is currently deployed across 25 primary and secondary care organisations🥇We’re the first AI skin cancer pathway within the NHS✅ DERM is recommended by the National Institute for Health and Care Excellence (NICE) ✅DERM is the only Class III CE marked AI as a Medical Device for skin cancer🤯DERM is used in pathways that have seen over 230,000 NHS patients and identified more than 20,000 cancers💪We’ve helped NHS organisations avoid up to 95% of face-to-face appointments in secondary care🤳We provide Bupa and Vitality's remote skin assessment service❤️Everything we do is in pursuit of better patients outcomes that are sustainable for health systems, globally
- Series B
- 123 employees
- Founded 2012
7
Hexarad· Newington, Waterloo, London Bridge, Southwark, Lambeth North, New Kent Road, Westminster Bridge, Southwark Cathedral, Lambeth, Old Kent Road, South Bank, Borough, Bermondsey, England, United Kingdom
Hexarad is the only end-to-end radiology solution.The Hexarad Platform consists of ReportRad, our award-winning Teleradiology solution built by Radiologists, and OptiRad, our market-leading software solution to oversee, organise and optimise your Radiology department.
- Series B
- 122 employees
- Founded 2016
8
Patchwork Health· London, England, United Kingdom
Patchwork Health is on a mission to make truly effective and sustainable working a reality for all healthcare professionals.Our fully integrated workforce planning and management solution improves capacity planning and workforce deployment, to reduce spend, boost productivity and improve staff wellbeing - ultimately supporting patient outcomes.Founded by clinicians, co-created with the NHS and staffed by a team of healthcare veterans, our end-to-end solution has been embraced by over 200 healthcare organisations and 100,000 clinicians, saving £250 million and counting in workforce costs.
- Series B
- 115 employees
- Founded 2016
9
Scarlet· London, England, United Kingdom
Scarlet certifies AI medical devices. Get your life-changing technology to the people who need it, with the global AI certification body.We pull medical technology from the future to solve human health. We believe healthcare can be solved by the next generation of medical technology. Our mission is to pull those devices from the future into today. We remove unnecessary delays from every regulatory approval we do so people can access devices right now that would otherwise not be available.Scarlet was built specifically for AI medical devices. We help customers to get their medical AI certified and to ship the kind of iterative updates inherent to the best AI products, ensuring patients can safely get the most up-to-date technology. Scarlet performs conformity assessment against EU MDR, UK MDR, and is recognised by the FDA as a Third Party Review Organisation (3P510k).We also issue ISO 13485 certificates, ISO/IEC 27001 certificates, ISO/IEC 42001 certificates, and support international certification under the Medical Device Single Audit Program (MDSAP).
- Series B
- 90 employees
- Founded 2020
10
HelloSelf· London, England, United Kingdom
Each of us is on a unique journey through life, and at times, we all require guidance and support. At HelloSelf, we're here to guide and support you on your unique journey, connecting you with the best therapists and coaches to help you feel and live better.HelloSelf partners with the UK's leading healthcare providers to deliver online, evidence-based therapy at scale. Importantly, we are dedicated to addressing the challenges in accessing effective mental health care, ensuring it's accessible to all.Through our relationships with the NHS, global insurers, national employers, and local medical practices, we are improving access, reducing wait times, accelerating recovery, and promoting long-term well-being.HelloSelf: therapy and coaching to help you feel and live better.
- Series B
- 78 employees
- Founded 2018

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Find engineers at Series B Healthtech companies in London

Searching for “engineers at top Series B Healthtech companies in London” surfaces this slice of the market. The list above ranks Healthtech companies headquartered in London whose latest disclosed round is Series B, by current headcount, drawn from public LinkedIn and Crunchbase records. With 12 matching companies in Refolk’s index, this is a tight read on where the Healthtech talent in London is heating up.

Three filters at once narrows the field hard. The companies that survive all three - Series B, Healthtech, in London - are usually the most targeted recruiting pool a hiring manager can ask for. Senior engineers, founding designers, and product leads here are about to become Healthtech’s next operators and angel investors.

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Refolk pulled Healthtech companies headquartered in London whose latest disclosed funding round is Series B from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 3 employees. The list refreshes monthly.

Last refreshed: Mon, 19 Oct 2026 12:29:34 GMT

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