Post-quantum Cryptography Experts
ActiveRegistered as Pqshield Ltd
Data to 4 Nov 2026, 02:03
- Company number
- 11388567
- Sector
- Not in a live sector
- SIC group
- Software and IT
- Region
- South East (Summertown)
- Incorporated
- 30 May 2018
- SIC code
- 62090
- Trading name
- Post-quantum Cryptography Experts
- Website
- pqshield.com Company number on the site, checked 16 Oct 2026
Post-quantum Cryptography Experts has 2 priced rounds on record from share allotment filings at Companies House. The latest was allotted on 19 Jun 2024, raised £11.0m, and was filed on 5 Jul 2024. Data to 3 Nov 2026.
Companies with significant control: Oxford Science Enterprises Holdings Limited (25 to 50%). From the PSC register.
2
Priced rounds
Allotted Apr 2024 to Jun 2024
£29.1m
Cash raised in those rounds
Sum of sterling cash raised in each round, as filed
19 Jun 2024
Latest round allotted
Filed 5 Jul 2024
Jump to
Funding rounds
Priced equity rounds read from share allotment filings at Companies House, newest first.
| Allotted | First filed | Cash raised | Filing |
|---|---|---|---|
| 19 Jun 2024to 21 Jun 2024Latest | 5 Jul 2024 | £11.0m | Open filing |
| 24 Apr 2024 | 9 May 2024 | £18.1m | Open filing |
Companies with significant control
Companies with significant control over Post-quantum Cryptography Experts, from the register of people with significant control. A company can have control without holding shares. Individuals are not shown on public pages.
| Holder | Notified | Ceased | Shares held |
|---|---|---|---|
| The Chancellor, Masters and Scholars of the University of Oxford | 30 May 2018 | 30 Jul 2018 | 25 to 50% |
| Oxford Science Enterprises PLC | 7 Aug 2018 | 31 Mar 2025 | 25 to 50% |
| Oxford Science Enterprises Holdings Limited | 31 Mar 2025 | n/a | 25 to 50% |
From the PSC register.
Filings
The latest 6 capital filings other than share allotments (SH01), which are listed under Funding rounds. 19 share filings (SH01, SH02, SH08 and SH10) have been read for this company.
| Date | Filing | Document |
|---|---|---|
| 11 Aug 2025 | Change of share class name (SH08) | Open at Companies House |
| 21 Jul 2025 | Resolution | Open at Companies House |
| 4 Jul 2024 | Resolution | Open at Companies House |
| 4 Jul 2024 | Memorandum and articles (MA) | Open at Companies House |
| 29 May 2024 | Variation of class rights (SH10) | Open at Companies House |
| 14 May 2024 | Resolution | Open at Companies House |
Documents open at Companies House. Bradshaw does not store or re-host them.
About this page
This page shows public register data for Post-quantum Cryptography Experts. Figures come from filings at Companies House; Bradshaw links to each filing and does not host copies. To correct or object to data about you, use the data request form.
Last updated 3 Nov 2026