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Infinitesima

Abingdon, GB · Founded 2001 · 112 employees on LinkedIn · 2 known investors

Find your way into Infinitesima

66 people in our graph share verified history with the Infinitesima team — schools, employers, funds. One of them is your warm intro.

Saran Daviesunlockedknows Andrew Humphris · together at University of Bristol (overlapped)
×7knows the team · via University of Bristol
×3knows the team · via Hills Road Sixth Form College
knows the team · via Infinitesima Limited

Infinitesima develops atomic precision 3D metrology technology for the semiconductor industry, including the Rapid Probe Microscope (RPM) that uses thermal-optical actuation and an interferometric measurement system to achieve picometer-precision surface measurement faster than conventional atomic force microscopes. Based near Oxford, UK, it serves semiconductor manufacturers worldwide.

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Founders & leadership

Infinitesima was founded in 2001 by Andrew Humphris.

AHAndrew Humphris
Andrew HumphrisinCTO & FounderAndrew Humphris has spent over 25 years developing measurement and process-control technologies for semiconductor manufacturers. He is Founder and CTO of Infinitesima, a company developing atomic-precision 3D metrology systems for semiconductor fabrication, and holds a Visiting Professor position at the University of Bristol.

Investors · 2

Sussex Place VenturesPeterborough · $127K – $1.3M
Maverick Siliconreported · 3 sourcesSan Francisco

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Companies House · registry record

View on Companies House ↗
Registered name
INFINITESIMA LIMITED
Company number
04258410
Status
Active
Company type
Private limited company
Incorporated
25 Jul 2001
Registered office
1 Hitching Court, Blacklands Way, Abingdon, OX14 1RG
Nature of business (SIC)
26511 — Manufacture of electronic measuring, testing etc. equipment, not for industrial process control
Accounts
last made up to 30 Sept 2024 · next due 30 Sept 2026
Confirmation statement
last made up to 15 May 2026 · next due 29 May 2027

Current officers · 4

  • Andrew James Dixon — director, appointed 24 Jan 2013
  • Oreste Donzella — director, appointed 1 Nov 2025
  • Andrew David Laver Humphris — director, appointed 8 Aug 2001
  • Peter Jenkins — director, appointed 18 Sept 2019

Source: Companies House public register · retrieved 23 Aug 2026. Contains public sector information licensed under the Open Government Licence v3.0.

In the news

Infinitesima completes Series B investment round - Asheville Citizen-Timescitizen-times.com · Feb 2026Infinitesima Advances Atomic-Scale 3D Metrology with Series B Investment – Metrology and Quality News - Online Magazinemetrology.news · Jan 2026Infinitesima secures Series B funding led by Maverick Silicon - New Electronicsnewelectronics.co.uk · Jan 2026Infinitesima Limited Completes Series B Investment Round - DESNdesn.org.uk · Jan 2026Uk firm secures funds to roll out 300mm wafer tool ...eenewseurope.com · Aug 2022

Frequently asked questions

What does Infinitesima do?
Infinitesima develops atomic precision 3D metrology technology for the semiconductor industry, including the Rapid Probe Microscope (RPM) that uses thermal-optical actuation and an interferometric measurement system to achieve picometer-precision surface measurement faster than conventional atomic force microscopes. Based near Oxford, UK, it serves semiconductor manufacturers worldwide.
Who founded Infinitesima?
Infinitesima was founded by Andrew Humphris in 2001.
Who are Infinitesima's investors?
Infinitesima's investors include Sussex Place Ventures, Maverick Silicon.
Where is Infinitesima headquartered?
Infinitesima is headquartered in Abingdon, GB.