Portfolio map · Private equity · United Kingdom

3i Group portfolio map

46 startups 3i Group has backed in rounds we track, since 1999, grouped by their main sector. Together they have raised $2.4B. The biggest sector is IT Services, with 10 companies.

46startups backed
8sectors
$2.4Braised between them
IT Servicesbiggest sector

3i Group's investor profile

IT Services

10

Telecoms

10

Healthtech

6

Manufacturing

5

Hardware & Electronics

5

Biotech

4

Cleantech

3

Retail

3

Segment by segment

IT Services

10 startups · $840M raised

  1. VonageVonage is a provider of cloud-based communications to businesses and consumers.United States$460M
  2. Magnitude SoftwareDatalytics Technologies has been acquired by Magnitude Software.United States$279M
  3. KickfireKickFire is a marketing technology solutions and services company.United States$20M
  4. HyperwaveHyperwave is a software company founded in 1997 that specializes in integrated private cloud and intranet solutions.Austria$18M
  5. STSHYM TechnologySHYM Technology is provider of plug-in security and trust management solutions for critical business applications.United States$18M
  6. OmPromptEDI connectivity, non-EDI document automation, visibility and control solutions in order-to-cash and procure-to-pay processes.United Kingdom$15M
  7. ComponentSourceComponentSource is the largest global marketplace for reusable software components and development tools, catering to software devUnited States$12M
  8. AventeonAventeon is a software company based in the Netherlands, located in Raalte, Overijssel.Germany$9.5M

Telecoms

10 startups · $401M raised

  1. Kineto WirelessKineto offers internet protocol-based services and solutions for mobile operators.United States$111M
  2. AOptix TechnologiesAOptix Technologies is a private company based in Campbell, California, founded in 2000.United States$90M
  3. Blue Interactive GroupBlue Interactive Group provides cable TV and broadband internet services to the residential and business customers in Brazil.Brazil$55M
  4. VelocixVelocix offers Digital Media Delivery Platforms, a CDN infrastructure solution for network service providers.United Kingdom$45M
  5. EnOceanEnOcean is a German technology company founded in 2001, specializing in energy-harvesting wireless technology.Germany$41M
  6. PolatisPolatis is a tech company delivering optical switching solutions for remote fiber-layer provisioning, protection and monitoring.United States$26M
  7. WCWicom CommunicationsWilcom Communications is a research group attached to Department of Information and Communication Technologies.-$12M
  8. MCMicrocosm CommunicationsMicrocosm Communications is a manufacturer of chips for comms equipment.United Kingdom$8.5M

Healthtech

6 startups · $430M raised

  1. Small Bone InnovationsSmall Bones Innovations makes devices for small bones and joints, particularly focusing on trauma and arthroplasty.United States$244M
  2. Sotera WirelessSotera Wireless is a medical device company developing wireless vital signs monitoring devices.United States$92M
  3. WellpartnerWellpartner is a provider of pharmacy distribution solutions for health plans, Medicaid programs, and safety net organizations.United States$41M
  4. NSNeoGuide SystemsNeoGuide Systems develops robotic endoscopic technology for natural orifice transluminal endoscopic surgery.United States$39M
  5. GGluconGlucon is a development stage company developing glucose monitoring devices for the diabetes market.United States$13M
  6. Actionaction unite providers and families, share data and outcomes transparently, improve education and standardize best practices.United States$2.0M

Manufacturing

5 startups · $244M raised

  1. KTKonarka TechnologiesKonarka Technologies develops nano-enabled polymer photovoltaic materials for commercial, industrial and consumer applications.United States$152M
  2. MetalysisMetalysis, a manufacturer of metals and alloys, offers both economic and environmental benefits over traditional metal production methods.United Kingdom$44M
  3. IntenseIntense develops and commercializes single and multi-mode monolithic laser array products, and high power laser diodes.United Kingdom$21M
  4. MBMimix BroadbandMimix Broadband manufactures gallium arsenide semi-conductors for microwave and millimeter-wave applications.United States$20M
  5. Fractus SAFractus designs, manufactures, and licenses optimized antennas.Spain$8.0M

Hardware & Electronics

5 startups · $122M raised

  1. Light Blue OpticsLight Blue Optics (LBO) was a technology company based in Cambridge, UK, with additional offices in San Mateo, CA.United Kingdom$59M
  2. EElixentElixent supplies reconfigurable arithmetic processors which offer reconfigurable semiconductor intellectual property in the U.K.United Kingdom$25M
  3. TaptuTaptu, a social and media technology company, offers My Taptu, a social news aggregator available for the iPhone and Android mobile devices.United Kingdom$18M
  4. DCDevelopOnline CorporationDevelopOnline helps embedded platform developers cut traditional development times in their target markets by as much as 70 percent.United States$11M
  5. Emulation and Verification EngineeringEmulation and Verification Engineering develops hardware and software co-verification solutions for microelectronics companies.United States$9.7M

Biotech

4 startups · $113M raised

  1. JJeriniJerini was founded in 1994 as a spin-off from the Medical Faculty Humboldt University Berlin to commercialize the SPOT technology.Germany$58M
  2. Arrow TherapeuticsArrow is a small pharmaceutical company strictly focussed on novel anti-infective discovery.United Kingdom$35M
  3. OnyvaxOnyvax is developing new cancer therapies that harness the selective power of the immune system to seek out and destroy tumor cells.United Kingdom$15M
  4. CBCombinature BiopharmCombinature Biopharm is a drug discovery and development company.Germany$5.1M

Cleantech

3 startups · $157M raised

  1. SLR ConsultingSLR is an environmental consultancy that provides advice and support on a wide range of strategic and site-specific environmental issues.United Kingdom$64M
  2. AAmberWaveAmberWave offers photovoltaic technology solutions for the semiconductor industry.United States$53M
  3. ElectrawindsElectrawinds produces, sells and distributes green power generated from inexhaustible clean energy resources.Belgium$40M

Retail

3 startups · $138M raised

  1. Loxam HoldingLoxam Holding is a France-based rental equipment services company providing solutions for construction and industry professionals.France$87M
  2. GO OutdoorsGO Outdoors is an outdoor store offering waterproof clothing, outdoor clothing, tents and camping equipment in the UK.United Kingdom$46M
  3. UUdexUdex offers data products and services for retailers and suppliers.United Kingdom$5.0M

How this map is made. Every startup here has raised money in a round we track that names 3i Group as an investor, the first in 1999. 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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