Lumai Limited

Active13772989 Private limited company
Incorporated
30 November 2021 (4 years)
Previously known as
Oxonn Ltd (until 27 February 2023)
This list may be incomplete. See all names on Companies House
Industry
Manufacture of optical precision instruments (26701)
Other research and experimental development on natural sciences and engineering (72190)
Directors
René Bonvanie
Accounts type
Micro entity
Region
South East
Address
Wood Centre For Innovation Quarry Road
Headington
Oxford
OX3 8SB

Filing status

Accounts due
30 September 2027
Last accounts
31 December 2025
Conf. stmt due
13 December 2026
Last conf. stmt
29 November 2025

Officers

This list may be incomplete. See all officers on Companies House

Officer details are public data from the Companies House register.

Bonvanie, René
Director · Appointed 19 January 2026
Dutch
Born September 1961 (65)

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Corporate entity · Notified 13 January 2022
Owns 25–50% of shares
Holds 25–50% of voting rights
Private Limited Company
Reg. no. 10360684
Former controllers (2)
13 January 2022
Ceased Ip2ipo Portfolio LP — Owns 25–50% of shares
13 January 2022
Ceased Xianxin Guo — Owns 25–50% of shares

Group structure 58 shown

Ownership group derived from the Companies House PSC register

Fusion IP Cardiff Limited Owns 75–100% of shares
Demasq Limited DissolvedOwns 25–50% of shares
Fusion IP Sheffield Limited Owns 75–100% of shares
Ip2ipo Carry Partner Limited Owns 75–100% of shares
Ip2ipo Investments Limited Owns 75–100% of shares
Ip2ipo Limited Owns 75–100% of shares
Alesi Surgical Limited Owns 25–50% of shares
Boxarr Limited Owns 25–50% of shares
Emdot Limited In liquidationOwns 25–50% of shares
IP Venture Fund (FP) Limited Partnership Part right to 25–50% of surplus assets
Ip2ipo Americas Limited Owns 75–100% of shares
Ip2ipo Anz Carry Limited Owns 75–100% of shares
Ipg Usa (LP) Limited Owns 75–100% of shares
Istesso Limited Owns 25–50% of shares
Istesso 2 Limited Owns 75–100% of shares
Istesso 3 Limited Owns 75–100% of shares
Istesso Therapeutics Limited Owns 75–100% of shares
MBS5 Limited Owns 75–100% of shares
PH Therapeutics Limited Owns 50–75% of shares
Ip2ipo Nominees Limited Owns 75–100% of shares
Bramble Energy Limited In administrationOwns 25–50% of shares
Ip2ipo Services Limited Owns 75–100% of shares
Magnomatics Limited Owns 25–50% of shares
Parkwalk Advisors Ltd Owns 75–100% of shares
Cambridge Touch Technologies Ltd In liquidationHolds 25–50% of voting rights
Crypto Quantique Limited In liquidationOwns 25–50% of shares
Ikarovec Limited Owns 25–50% of shares
Lettus Grow Ltd Owns 25–50% of shares
Mind Foundry Limited Holds 25–50% of voting rights
Moa Technology Limited Owns 25–50% of shares
Opsydia Limited Has significant influence or control
Oxford Endovascular Limited Holds 25–50% of voting rights
Pervasid Limited Owns 25–50% of shares
Predictimmune Limited Status not confirmedOwns 25–50% of shares
Psyomics Ltd Owns 50–75% of shares
Salunda Limited Holds 25–50% of voting rights
Symetrica Limited Has significant influence or control
Symetrica Security Ltd Owns 75–100% of shares
Top Technology Ventures Limited Owns 75–100% of shares
IP Capital Limited Owns 75–100% of shares
IP Venture Fund II (GP) LLP Right to 75–100% of surplus assets
IP Ventures (Scotland) Limited Owns 75–100% of shares
Ip2ipo Portfolio (GP) Limited Owns 75–100% of shares
Accelercomm Ltd Owns 25–50% of shares
Audioscenic Limited Owns 25–50% of shares
Barocal Ltd Owns 25–50% of shares
First Light Fusion Limited Owns 25–50% of shares
Ibex Innovations Ltd Has significant influence or control
Ionix Advanced Technologies Ltd Owns 25–50% of shares
Kiko Ventures Limited Owns 75–100% of shares
Lumai Limited This company Owns 25–50% of shares
Mixergy Limited Has significant influence or control
Oxehealth Limited Owns 25–50% of shares
Touchstone Innovations Limited Owns 75–100% of shares
Ip2ipo Innovations Limited Owns 75–100% of shares
Touchstone Innovations Businesses LLP Right to 75–100% of surplus assets

Financials

Employees
10
Current Ratio
64.3x

Trend

Shareholder Funds
£0 £5.0M £10.0M 2022 2023 2024 £1,169,322 £526,231 £5,086,313
Balance sheet detail
202420232022
Fixed Assets£130,281£173,584£197,412
Current Assets£5,034,377£402,938£1,055,824
Creditors (< 1 year)£78,345£50,291£83,914
Net Current Assets£4,956,032£352,647£971,910
Shareholder Funds£5,086,313£526,231£1,169,322

Filings

Recent filings only. See the full history on Companies House

DateDescriptionMade Up ToPagesPDF
21 August 2026Appointment of a director
18 August 2026Micro company accounts31 December 2025
16 January 2026Confirmation statement with updates29 November 2025
12 January 2026Cessation of a person with significant control
12 January 2026Notification of a person with significant control
Show all recent filings

Some other companies at this address

Other companies in this industry

By trade and location

New companies in Oxford →

Explore the largest companies

Largest manufacturing companies in the UK →

Need accounts figures, ownership or websites for thousands of companies? Bulk data & API →

← Back to companies Official record on Companies House ↗

Already have an account?

Create your account

Save searches and get the weekly email of new matches.

First name is required.
Last name is required.
Enter an email address like name@example.com.
Must be at least 8 characters. Password must be at least 8 characters.

Already have an account?