Annual accounts
Unaudited abridged accounts
31/12/2026Filing deadline
Made up to 31/03/2025Due 31/12/2026
- Next accounts made up to
- 31/03/2026
- Last accounts made up to
- 31/03/2025
BLUE DIAMOND ENGINEERING LIMITED
ActiveRegistry details
Reference data exactly as held at Companies House.
Copy registry details
- Registered office
- Factory Bt 6/9, Shildon Industrial Estate, Shildon, County Durham DL4 2QN
- Classification (SIC)
- Machining (25.62 - SIC 2007)
- Accounts type
- Unaudited abridged
Company activity
The 4 most recent documents filed at Companies House.
Pre-Score for UK companies is coming soon
- 09/04/2026View PDF (3 pages)
Confirmation statement made on 2025-06-30 with no updates
- 18/02/2026View PDF (2 pages)
Change of details for Mrs Carol Jean Brown as a person with significant control on 2024-10-09
- 16/02/2026View PDF (2 pages)
Director's details changed for Carol Jean Brown on 2024-10-09
- 16/02/2026View PDF (1 pages)
Secretary's details changed for Carol Jean Brown on 2024-10-09
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.
Due in 89 days
Confirmation statement
Confirms the registry record is up to date
14/07/2027Filing deadline
Last statement 30/06/2026Due 14/07/2027
- Next statement date
- 30/06/2027
- Last statement dated
- 30/06/2026
Financial performance
The latest figures BLUE DIAMOND ENGINEERING LIMITED filed. Okredo holds filed accounts data for 2021–2025; the year-by-year record is on the financials page.
Net Assets
£53.24K2025
-80.02%vs 20242024: £266.44K
Total Assets
£5.44M2025
-10.34%vs 20242024: £6.07M
Cash in Bank
£19.01K2025
382.00%vs 20242024: £3.94K
Total Liabilities
£3.02M2025
-5.02%vs 20242024: £3.18M
Employees
322025
-10vs 20242024: 42
Of the 4 measures with an earlier filing to compare against, 1 rose and 3 fell. Total assets moved furthest, down 10.34% on 2024. See the full financial analysis for BLUE DIAMOND ENGINEERING LIMITED.
The full financial record
Four ways through BLUE DIAMOND ENGINEERING LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Net Assets · -70.9% 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 | 32 | -10 |
| 2024 | 42 | -10 |
| 2023 | 52 | -5 |
| 2022 | 57 | +12 |
| 2021 | 45 | – |
Reported employee count decreased from 45 in 2021 to 32 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
7Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Director | 31/05/1995–Present | 2 | |
| Director | 31/05/1995–03/11/2022 | 0 | |
| Director | 17/01/2023–05/04/2023 | 0 | |
| Secretary | 01/07/2001–Present | 0 | |
| Director | 17/01/2023–05/06/2025 | 4 | |
| Director | 17/01/2023–05/06/2025 | 4 | |
| Director | 31/05/1995–12/08/1998 | 101 |
Persons with significant control
3Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 01/07/2016–Present | 2 | |
| 01/07/2016–03/11/2022 | 0 | |
| 30/06/2016–01/07/2016 | 0 |
Filing history and recent activity
Every document on the Companies House record, newest first.
- Filings on record
- 135
- Since 19/01/1987
- Last 12 months
- 4
- Same as the year before (4)
- Most recent filing
- 09/04/2026
- 5 months ago
What changed in the last year
- Confirmation statementLatest 09/04/2026
- Officer changes (3)Latest 18/02/2026
Filing timeline
- 09/04/2026View PDF (3 pages)
Confirmation statement made on 2025-06-30 with no updates
- 18/02/2026View PDF (2 pages)
Change of details for Mrs Carol Jean Brown as a person with significant control on 2024-10-09
- 16/02/2026View PDF (2 pages)
Director's details changed for Carol Jean Brown on 2024-10-09
- 16/02/2026View PDF (1 pages)
Secretary's details changed for Carol Jean Brown on 2024-10-09
- 05/06/2025View PDF (1 pages)
Termination of appointment of Bonnie Lorna Brown as a director on 2025-06-05
- 05/06/2025View PDF (1 pages)
Termination of appointment of Robert William Brown as a director on 2025-06-05
- 04/03/2025View PDF (1 pages)
First Gazette notice for compulsory strike-off
- 04/10/2024View PDF (2 pages)
Director's details changed for Miss Bonnie Lorna Brown on 2023-12-09
- 10/09/2024View PDF (3 pages)
Confirmation statement made on 2024-06-30 with no updates
- 22/02/2024View PDF (12 pages)
Unaudited abridged accounts made up to 2023-03-31
- 22/09/2023View PDF (4 pages)
Confirmation statement made on 2023-06-30 with updates
- 08/09/2023View PDF (1 pages)
Termination of appointment of Jonathan James Hedley as a director on 2023-04-05
Showing 12 of 135 filings
See when the next accounts and confirmation statement are due
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About BLUE DIAMOND ENGINEERING LIMITED
A short description of the company, written from its Companies House record.
BLUE DIAMOND ENGINEERING LIMITED is a private limited company registered in the United Kingdom, based in Factory Bt 6/9, Shildon Industrial Estate, Shildon, County Durham DL4 2QN. Companies House classifies its business as Machining. It has been on the register for 39 years 8 months.
The register currently records it as active. Its 2025 accounts report net assets of £53.24K and 32 employees.
BLUE DIAMOND ENGINEERING LIMITED: frequently asked questions
Answered from this company's own registry record and filed figures.
Companies House records BLUE DIAMOND ENGINEERING LIMITED under one registered business activity: Machining (25.62 - SIC 2007).
BLUE DIAMOND ENGINEERING LIMITED is recorded as active on the Companies House register, and has been on it since 19/01/1987.
The most recent accounts Okredo holds cover 2025 and report net assets of £53.24K, total assets of £5.44M, cash in bank of £19.01K and total liabilities of £3.02M.
The most recent document on the record is dated 09/04/2026: Confirmation statement made on 2025-06-30 with no updates, 5 months ago.
On the current registry record, accounts are due by 31/12/2026 and the next confirmation statement is due by 14/07/2027.
Companies House lists 7 officers (2 currently in post) and 3 people with significant control (1 current).