Annual accounts
Total Exemption Full accounts
30/09/2027Filing deadline
Made up to 31/12/2025Due 30/09/2027
- Next accounts made up to
- 31/12/2026
- Last accounts made up to
- 31/12/2025
SENTINEL PHOTONICS LIMITED
ActiveRegistry details
Reference data exactly as held at Companies House.
Copy registry details
- Registered office
- Porton Science Park, Bybrook Road, Porton Down, Wiltshire SP4 0BF
- Classification (2 SIC codes)
- Other manufacturing n.e.c. (32.99 - SIC 2007)Other research and experimental development on natural sciences and engineering (72.19 - SIC 2007)
- Accounts type
- Total Exemption Full
Company activity
The 4 most recent documents filed at Companies House.
Pre-Score for UK companies is coming soon
- 28/05/2026View PDF (6 pages)
Total exemption full accounts made up to 2025-12-31
- 18/05/2026View PDF (2 pages)
Resolutions
- 18/05/2026View PDF (47 pages)
Memorandum and Articles of Association
- 11/05/2026View PDF (2 pages)
Appointment of Mr Jonathan Blanshay as a director on 2026-04-28
Coming soon
What Pre-Score will tell you
- Whether the filed accounts are strengthening or weakening year on year.
- Whether this company files on time, and how often its record changes.
- How its officers and controlling parties connect to other UK companies.
Accounts and confirmation statement
The two filings Companies House requires every year, and where each one stands against its deadline today.
On schedule
Confirmation statement
Confirms the registry record is up to date
16/06/2027Filing deadline
Last statement 02/06/2026Due 16/06/2027
- Next statement date
- 02/06/2027
- Last statement dated
- 02/06/2026
Financial performance
The latest figures SENTINEL PHOTONICS LIMITED filed. Okredo holds filed accounts data for 2021–2025; the year-by-year record is on the financials page.
Net Assets
£-1.95M2025
-71.75%vs 20242024: £-1.13M
Total Assets
£1.10M2025
-17.05%vs 20242024: £1.33M
Cash in Bank
£260.98K2025
-53.12%vs 20242024: £556.73K
Total Liabilities
£3.01M2025
26.27%vs 20242024: £2.38M
Employees
152025
-2vs 20242024: 17
Of the 4 measures with an earlier filing to compare against, 1 rose and 3 fell. Net assets moved furthest, down 71.75% on 2024. See the full financial analysis for SENTINEL PHOTONICS LIMITED.
The full financial record
Four ways through SENTINEL PHOTONICS LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Cash in Bank · -26.1% a year (CAGR)Three-year trend, 2023–2025Every measure end to end across 2023, 2024 and 2025, with the compound rate behind each one.See what moved5 chartsCharts by indicator5 filed indicators plotted year by year, 2021–2025.Plot the figuresNothing estimatedRatios from the filed figures4 ratios computed from this company's own reported amounts, each shown against the year it was derived from.Check the ratios5 × 5 yearsEvery figure by yearAll 5 measures Okredo tracks across 5 reported years, exactly as filed.Open the table
Employees
Headcount as reported to Companies House for 2021–2025.
| Year | Employees | Change |
|---|---|---|
| 2025 | 15 | -2 |
| 2024 | 17 | +13 |
| 2023 | 4 | +2 |
| 2022 | 2 | +1 |
| 2021 | 1 | – |
Reported employee count increased from 1 in 2021 to 15 in 2025. See how headcount moved alongside the reported financials.
Credit report
It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.
- Company potential
- Risk indicators
- Past performance
- Future prospects
Officers
8Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Director | 24/09/2020–23/09/2021 | 0 | |
| Director | 19/08/2019–21/05/2020 | 7 | |
| Director | 19/08/2019–11/02/2021 | 7 | |
| Director | 21/07/2021–28/04/2026 | 8 | |
| Director | 15/02/2021–Present | 5 | |
| Director | 13/12/2021–Present | 0 | |
| Director | 28/04/2026–Present | 3 | |
| Director | 05/05/2021–Present | 0 |
Persons with significant control
3Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 13/12/2021–Present | 0 | |
| 09/03/2023–Present | 1 | |
| 13/12/2021–Present | 0 |
Filing history and recent activity
Every document on the Companies House record, newest first.
- Filings on record
- 15
- Since 05/12/2022
- Last 12 months
- 6
- +2 vs the year before
- Most recent filing
- 28/05/2026
- 4 months ago
What changed in the last year
- Accounts filedLatest 28/05/2026
- Officer changes (3)Latest 11/05/2026
Filing timeline
- 28/05/2026View PDF (6 pages)
Total exemption full accounts made up to 2025-12-31
- 18/05/2026View PDF (2 pages)
Resolutions
- 18/05/2026View PDF (47 pages)
Memorandum and Articles of Association
- 11/05/2026View PDF (2 pages)
Appointment of Mr Jonathan Blanshay as a director on 2026-04-28
- 01/05/2026View PDF (1 pages)
Termination of appointment of Gordon Paul Scott as a director on 2026-04-28
- 05/03/2026View PDF (2 pages)
Notification of Ploughshare Innovations Ltd as a person with significant control on 2023-03-09
- 10/06/2025View PDF (6 pages)
Total exemption full accounts made up to 2024-12-31
- 02/06/2025View PDF (3 pages)
Confirmation statement made on 2025-06-02 with no updates
- 14/01/2025View PDF (1 pages)
Previous accounting period shortened from 2025-03-31 to 2024-12-31
- 14/11/2024View PDF (9 pages)
Total exemption full accounts made up to 2024-03-31
- 09/07/2024View PDF (3 pages)
Confirmation statement made on 2024-06-05 with no updates
- 02/08/2023View PDF (7 pages)
Total exemption full accounts made up to 2023-03-31
Showing 12 of 15 filings
See when the next accounts and confirmation statement are due
Similar companies
147 UK companies are similar to SENTINEL PHOTONICS LIMITED, sharing the same company status (Active), the same industry sector and activity group (Other manufacturing n.e.c.) and a comparable number of employees. The 5 closest matches are shown below to help you compare competitors and industry peers.
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- Employees
- 15
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LEEDS TEST OBJECTS LIMITED
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About SENTINEL PHOTONICS LIMITED
A short description of the company, written from its Companies House record.
SENTINEL PHOTONICS LIMITED is a private limited company registered in the United Kingdom, based in Porton Science Park, Bybrook Road, Porton Down, Wiltshire SP4 0BF. Companies House classifies its business as Other manufacturing n.e.c., one of 2 SIC classifications on its record. It has been on the register for 7 years 1 month.
The register currently records it as active. Its 2025 accounts report net assets of £-1.95M and 15 employees.
SENTINEL PHOTONICS LIMITED: frequently asked questions
Answered from this company's own registry record and filed figures.
Companies House records SENTINEL PHOTONICS LIMITED under 2 registered business activities: Other manufacturing n.e.c. (32.99 - SIC 2007) and Other research and experimental development on natural sciences and engineering (72.19 - SIC 2007).
SENTINEL PHOTONICS LIMITED is recorded as active on the Companies House register, and has been on it since 19/08/2019.
The most recent accounts Okredo holds cover 2025 and report net assets of £-1.95M, total assets of £1.10M, cash in bank of £260.98K and total liabilities of £3.01M.
The most recent document on the record is dated 28/05/2026: Total exemption full accounts made up to 2025-12-31, 4 months ago.
On the current registry record, accounts are due by 30/09/2027 and the next confirmation statement is due by 16/06/2027.
Companies House lists 8 officers (4 currently in post) and 3 people with significant control.