George Mills

Direct investments at British Business Bank

📍 London, England, United Kingdom🔄 Updated October 2026💼 9 investments📅 11 years investing🗓 Last invested Apr 2025𝕏 @upgrade_to_unlock
VC🌍 United Kingdom
9
Total investments
2
Early stage
2
Mid stage
2
Late stage
11y
Years active

Portfolio

6 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Board Observer
Jan 2025
Cambridge GaN Devices Ltd. (CGD), a spin-out of the Cambridge University, is a fabless semiconductor company designing, developing and commercialising energy-efficient GaN-based power devices to make greener electronics possible. As a change maker, CGD introduced ICeGaN™ - an industry-first enhancement-mode (eMode) GaN transistor which can be operated like a Silicon MOSFET without the need for special gate drivers, driving circuitry, or unique gate voltage clamping mechanisms. The company has launched H1 & H2 Series. Learn more information, please visit at www.camgandevices.com. Follow Cambridge GaN Devices on Facebook, Twitter, Instagram, YouTube and 剑桥氮化镓器件 on WeChat.
Board Observer
Jul 2022
Quantum computing is poised to reshape our world by addressing the complex challenges we face today. We deliver enterprise-ready quantum solutions that will empower humanity with quantum capabilities, paving the way for a brighter future.
Board Observer
Feb 2022
Paragraf® is a technology company delivering game-changing, commercial quality, graphene-based electronic devices. Serving the sensor, energy and semiconductor markets, Paragraf has developed graphene electronic devices and is now partnering with visionary companies seeking to take advantage of the unique properties of graphene. Paragraf has perfected a process for producing single-atom thick, two-dimensional materials, including graphene, directly onto crystalline substrates, such as: silicon, silicon-carbide, sapphire and gallium-nitride. The contamination-free technology is scalable, and compatible with existing electronic device manufacturing production processes. Paragraf won Excellence in Product Design (high-reliability systems) 2020 and the Automotive Electronics Award 2021 at the annual Elektra Awards.
Board Observer
Oct 2017
Open Cosmos is a business focused on solving the worlds biggest challenges through the delivery of satellite missions and the data of the world they can gather from space. This includes designing, building, launching and operating small satellites as well as providing data and services through an innovative platform. Since its creation in 2015, it has developed multiple advanced satellites for telecommunications, earth observation, navigation and science.
Investor
Mar 2017
BGF Ventures is the UK’s largest ever venture capital company dedicated to early stage UK technology companies, with £200m to invest. Launched in September 2015, BGF Ventures is being run by a dedicated team led by Harry Briggs, Simon Calver and Rory Stirling. BGF Ventures'​ investments to date include recipe box delivery company Gousto, Mobile app promotion platform Tapdaq, and Contact Centre software New Voice Media. BGF Ventures is part of BGF, the UK’s most active provider of growth capital to small and mid-sized businesses, whose technology investments include Unruly Media, The Exchange Lab, Bullitt Group and Skyscape. More at www.Twitter.com/BGFVentures
Investor - BGF Ventures
Mar 2017
BGF is the UK and Irelands most active growth investor, backing ambitious businesses with minority investment to help them scale on their own terms. Since 2011, we have invested more than £5bn in 650+ businesses across every region and sector. Today, with more than £3.5bn in assets under management, we continue to support a range of growing companies across early-stage and growth-stage. Through our 15 offices across the UK and Ireland, were close to the businesses we back, combining local insight with national scale to build trusted partnerships with entrepreneurs and management teams. Beyond investment, our portfolio companies benefit from the expertise of our 200+ strong team, as well as dedicated value creation support spanning talent, operational expertise and our Scale community – including a network of more than 8000+ experienced business leaders, sector specialists and board-level non-executives. Learn more: BGF UK: https://www.bgf.co.uk BGF Ireland: https://www.bgfireland.ie/
Experience · 16 entries
All (16)
Investments (9)
Founder (2)
Board (7)
2026
Senior Director, Direct Equity - Technology
Apr 2026
As the UK Government’s national economic development bank, our mission is to drive economic growth by helping smaller businesses get the finance they need to start, scale and stay in the UK. British Business Bank plc is a public limited company registered in England and Wales, registration number 08616013, registered office Steel City House, West Street, Sheffield, S1 2GQ. It is a development bank wholly owned by HM Government. British Business Bank plc and its subsidiaries are not banking institutions and do not operate as such. With the exception of BBB Investment Services Limited they are not authorised or regulated by the Prudential Regulation Authority or the Financial Conduct Authority. BBB Investment Services Limited is authorised and regulated by the Financial Conduct Authority. A complete legal structure chart for the group and details of the programmes operated by the relevant subsidiaries can be found at british-business-bank.co.uk.
2025
Board Observer
Apr 2025
We are developing the technology to deliver clean, secure and affordable fusion energy in the 2030s. Tokamak Energy was founded in 2009 as a spin-off from UK Atomic Energy Authority (UKAEA). Our US subsidiary, Tokamak Energy Inc, was established in 2019. We are the only private fusion company with over a decade’s experience developing the two technologies that offer the most efficient and commercially attractive route to fusion energy; the compact spherical tokamak and high temperature superconducting (HTS) magnets. TE Magnetics, our dedicated HTS magnet business division, is focussed on becoming the leading supplier of HTS technology for fusion and other exciting new applications, including science, renewable energy and propulsion on land, in water air and space.
Board Observer
Jan 2025
Cambridge GaN Devices Ltd. (CGD), a spin-out of the Cambridge University, is a fabless semiconductor company designing, developing and commercialising energy-efficient GaN-based power devices to make greener electronics possible. As a change maker, CGD introduced ICeGaN™ - an industry-first enhancement-mode (eMode) GaN transistor which can be operated like a Silicon MOSFET without the need for special gate drivers, driving circuitry, or unique gate voltage clamping mechanisms. The company has launched H1 & H2 Series. Learn more information, please visit at www.camgandevices.com. Follow Cambridge GaN Devices on Facebook, Twitter, Instagram, YouTube and 剑桥氮化镓器件 on WeChat.
2022
Board Observer
Dec 2022
Pragmatic is revolutionising semiconductor technology with ultra-low-cost, flexible integrated circuit (FlexIC) technology that makes it quick and easy to embed intelligence almost anywhere. #pragmaticsemiconductor #flexics
Board Observer
Jul 2022
Quantum computing is poised to reshape our world by addressing the complex challenges we face today. We deliver enterprise-ready quantum solutions that will empower humanity with quantum capabilities, paving the way for a brighter future.
Show all 16 entries ↓
Investment activity
2015–2025 · 9 investments
20151201732022320252
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