Portfolio map · VC firm · United Kingdom

Parkwalk portfolio map

82 startups Parkwalk has backed in rounds we track, since 2011, grouped by their main sector. Together they have raised $2.0B; Parkwalk led at least one round in 2 of them. The biggest sector is Biotech, with 24 companies.

82startups backed
11sectors
$2.0Braised between them
Biotechbiggest sector

Parkwalk's investor profile

Biotech

24

Energy

10

Healthtech

9

AI

9

Advanced Manufacturing

6

Manufacturing

6

Pharma

4

Cleantech

4

Hardware & Electronics

4

Advertising & Adtech

3

IT Services

3

Segment by segment

Biotech

24 startups · $438M raised

  1. IImmutrinImmutrin is a biotech developing next‐generation antibody therapies to clear amyloid deposits and reverse amyloidosis.United Kingdom$87M
  2. MMogrifyUnited Kingdom$50M
  3. DIOSynVaxDIOSynVax is a clinical-stage biotechnology company based in Cambridge, UK, focused on developing next-generation vaccines using aUnited Kingdom$44M
  4. PetMedixPetMedix is a pet therapeutics startup.United Kingdom$37M
  5. IstessoIstesso is a London-based biopharmaceutical company focused on immunometabolism drug discovery and development.United Kingdom$29M
  6. Fluidic AnalyticsFluidic Analytics is a biotechnology research company founded in 2013 as a spinout from the University of Cambridge.United Kingdom$28M
  7. XamplaXampla is a materials innovation company based in Cambridge, UK, founded in 2018 as a spin-out from the University of Cambridge.United Kingdom$23M
  8. Oxford EndovascularOxford Endovascular are developing a novel treatment for treating brain aneurysms.United Kingdom$21M

Energy

10 startups · $465M raised

  1. First Light FusionFirst Light Fusion is a British company based in Oxfordshire, focused on developing innovative solutions for fusion energy throughUnited Kingdom$167M
  2. NyoboltNyobolt is an energy storage technology company based in Cambridge, UK, founded in 2019.United Kingdom$155M
  3. Echion TechnologiesEchion Technologies is a leading battery technology company based in Cambridge, UK.United Kingdom$84M
  4. BarocalBarocal is a Cambridge University spin-out founded in 2019, focused on developing solid-state cooling and heating technologies.United Kingdom$23M
  5. Silicon MicroGravitySilicon MicroGravity is a company developing novel sensor technology.United Kingdom$21M
  6. Cheesecake EnergyCheesecake Energy is developing advanced thermal and compressed air energy systems to store energy.United Kingdom$5.2M
  7. xWattsxWatts, founded in August 2022 and based in Cambridge, United Kingdom, is a ClimateTech and SaaS company focused on intelligent enUnited Kingdom$4.1M
  8. Ionix Advanced TechnologiesIonix Advanced Technologies was spun-out of the University of Leeds In 2011.United Kingdom$3.6M

Healthtech

9 startups · $107M raised

  1. EEntiaEntia specializes in extending its services within defense and security, energy, medical devices, telecommunications and industrial sectors.United Kingdom$23M
  2. Echopoint MedicalEchopoint Medical is a medtech companyUnited Kingdom$22M
  3. GripableGripable develops digital therapy tools, combining them with mobile games, and motivating physically impaired patients.United Kingdom$19M
  4. AdsilicoAdsilico redefines medical device innovation.United Kingdom$18M
  5. NoBACZ HealthcareNoBACZ Healthcare is a veterinary wound care company founded in 2019, specializing in antibiotic-free, patent-protected liquid barUnited Kingdom$8.7M
  6. HealtheraHealthera is a UK-based health technology company founded in 2015, headquartered in Cambridge.United Kingdom$6.4M
  7. SERG TechnologiesSERG was founded to make the gesture control of technology accessible for everyone and easier to use than ever before.United Kingdom$4.0M
  8. GaitQGaitQ is a developer of a medical device used to help people living with Parkinson's disease to overcome freezing of gait.United Kingdom$3.0M

AI

9 startups · $176M raised

  1. BrainomixBrainomix Limited is a medical technology and digital health company based in Oxford, England.United Kingdom$52M
  2. DiffblueDiffblue is an Oxford-based company founded in 2016 by researchers from the University of Oxford.United Kingdom$39M
  3. Mind FoundryMind Foundry is a British multinational artificial intelligence company based in Oxford, UK.United Kingdom$32M
  4. BitfountBitfount is a London-based technology company founded in 2020 that offers a federated AI and data science platform.United Kingdom$26M
  5. Mach42Mach42 is a UK-based software company and an Oxford University spinout, specializing in verification acceleration for the semicondUnited Kingdom$15M
  6. Carbon ReCarbon Re is a climate technology company developing artificial intelligence to decarbonize energy-intensive industries.United Kingdom$6.4M
  7. SignaloidSignaloid is a computing platform company founded in 2019 by Prof.United Kingdom$3.9M
  8. MeVitaeMeVitae is a UK-based company specializing in fairness-driven workplace technology.United Kingdom$1.8M

Advanced Manufacturing

6 startups · $189M raised

  1. OxaOxa is a leading global company in autonomous vehicle software, based in Oxfordshire, England.United Kingdom$103M
  2. Wayland AdditiveWayland Additive Limited, based in Huddersfield, West Yorkshire, was founded in 2019.United Kingdom$42M
  3. GigatonGigaton is a UK-based climate tech startup focused on developing a Self-Learning Control system that utilizes deep reinforcement learning AI.United Kingdom$26M
  4. Fuel3DFuel3D is a technology company that specializes in advanced 3D scanning, capture, and imaging solutions.United States$13M
  5. OSSTECOSSTEC is a London-based MedTech startup founded in May 2021, specializing in the development of cementless partial knee implants.United Kingdom$3.6M
  6. 8power8power is an industrial technology company based in Cambridge, UK, specializing in remote condition monitoring for rotating equipment.United Kingdom$1.0M

Manufacturing

6 startups · $235M raised

  1. ParagrafParagraf is a pioneering company specializing in graphene-based electronic devices, having been established in 2015 as a spin-off United Kingdom$76M
  2. CTCambridge Touch TechnologiesUnited Kingdom$51M
  3. AqdotAqdot is a specialist chemical company with a focus and expertise in intelligent encapsulation technology.United Kingdom$48M
  4. YasaYasa develops and manufactures electric motors and generators of high power and high torque density electric.United Kingdom$44M
  5. Surrey NanoSystemsSurrey NanoSystems manufactures nanoscale materials for use in engineering and product applications.United Kingdom$11M
  6. illumionIllumion Ltd, founded in 2022 and based in Cambridge, United Kingdom, is a deep-tech company specializing in battery energy storagUnited Kingdom$4.9M

Pharma

4 startups · $99M raised

  1. ConcrAstrophysics technology for precision therapy through accurate modelling of biologyUnited Kingdom$41M
  2. PhoreMostPhoreMost is a new-model drug discovery company based in Cambridge, UK.United Kingdom$31M
  3. Sano GeneticsSano Genetics is a biotechnology and software company based in Cambridge, UK, founded in 2017.United Kingdom$26M
  4. PredictImmuneProviding tools to physicians in the treatment of patients with immune-mediated disease, through prediction of long term clinical prognosis.United Kingdom$2.1M

Cleantech

4 startups · $194M raised

  1. Oxford PVOxford PV is a provider of perovskite solar cells.United Kingdom$84M
  2. UndoUndo is the time travel debugging company for Linux.United Kingdom$57M
  3. Oxford FlowOxford Flow is a British valve manufacturer and technology innovator, established in 2015 as a spin-out from the University of Oxford.United Kingdom$38M
  4. Arvia TechnologyArvia Technology is a UK-based company founded in 2007, specializing in industrial wastewater treatment.United Kingdom$16M

Hardware & Electronics

4 startups · $16M raised

  1. OpsydiaOpsydia is an innovative company specializing in diamond security and laser technology.United Kingdom$7.8M
  2. Helio Display MaterialsHelio Display Materials is a UK-based technology company focused on developing nanocrystal perovskite films for advanced display aUnited Kingdom$4.8M
  3. OW Smell Made DigitalOW Smell Made Digital offers software and hardware solutions for controlling smell.United Kingdom$1.9M
  4. ProxisensePrOXisense is a startup from Oxford University that specializes in developing innovative sensor products and technologies for variUnited Kingdom$1.3M

Advertising & Adtech

3 startups · $64M raised

  1. MirriadMirriad's patented, AI and computer vision technology dynamically inserts products and innovative signage formats after content is produced.United Kingdom$51M
  2. CovaticCovatic is a Birmingham-based adtech company founded in 2016, originally spun out of the University of Oxford.United Kingdom$10M
  3. Nozzle.aiNozzle.ai is an eCommerce and advertising optimization platform for Amazon.United Kingdom$2.1M

IT Services

3 startups · $5.9M raised

  1. TrismikTrismik helps AI teams test, compare, and understand models on real data - turning experimentation into decisions.United Kingdom$3.0M
  2. InductosenseInductosense Ltd.United Kingdom$2.2M
  3. CisivCisiv is a technology and software company based in the United Kingdom, specializing in the collection, management, and analysis oUnited Kingdom$640K

How this map is made. Every startup here has raised money in a round we track that names Parkwalk as an investor, the first in 2011. Each sits under its main sector, read from its rounds, and each sector shows its best-funded first; sectors with fewer than three companies are left off. Rebuilt nightly; updated 15 November 2026.

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