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
CORE NUCLEAR SOLUTIONS LTD
ActiveRegistry details
Reference data exactly as held at Companies House.
Copy registry details
- Registered office
- Unit 1 Joseph Noble Road, Lillyhall, Workington, Cumbria CA14 4JX
- Classification (SIC)
- Manufacture of other machine tools (28.49 - 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
- 28/08/2026View PDF (12 pages)
Total exemption full accounts made up to 2025-12-31
- 07/05/2026View PDF (2 pages)
Change of details for Core Nuclear Group Ltd as a person with significant control on 2021-04-30
- 29/04/2026View PDF (2 pages)
Director's details changed for Mr John Robert Mcgibbon on 2021-04-30
- 13/08/2025View PDF (12 pages)
Total exemption full accounts made up to 2024-12-31
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
07/07/2027Filing deadline
Last statement 23/06/2026Due 07/07/2027
- Next statement date
- 23/06/2027
- Last statement dated
- 23/06/2026
Financial performance
The latest figures CORE NUCLEAR SOLUTIONS LTD filed. Okredo holds filed accounts data for 2022–2025; the year-by-year record is on the financials page.
Net Assets
£6.08M2025
28.41%vs 20242024: £4.73M
Total Assets
£7.28M2025
0.95%vs 20242024: £7.21M
Cash in Bank
£3.06M2025
-14.23%vs 20242024: £3.57M
Total Liabilities
£960.22K2025
-56.52%vs 20242024: £2.21M
Employees
492025
+10vs 20242024: 39
Of the 4 measures with an earlier filing to compare against, 2 rose and 2 fell. Net assets moved furthest, up 28.41% on 2024. See the full financial analysis for CORE NUCLEAR SOLUTIONS LTD.
The full financial record
Four ways through CORE NUCLEAR SOLUTIONS LTD's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Net Assets · +39.4% 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, 2022–2025.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 × 4 yearsEvery figure by yearAll 5 measures Okredo tracks across 4 reported years, exactly as filed.Open the table
Employees
Headcount as reported to Companies House for 2022–2025.
| Year | Employees | Change |
|---|---|---|
| 2025 | 49 | +10 |
| 2024 | 39 | +16 |
| 2023 | 23 | +8 |
| 2022 | 15 | – |
Reported employee count increased from 15 in 2022 to 49 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
11Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Corporate Secretary | 15/07/2010–30/04/2021 | 182 | |
| Director | 27/07/2010–28/02/2013 | 11 | |
| Director | 30/04/2021–Present | 12 | |
| Director | 30/04/2021–Present | 19 | |
| Director | 28/02/2013–03/12/2014 | 2 | |
| Director | 23/06/2010–31/12/2016 | 2 | |
| Director | 01/06/2018–30/04/2021 | 0 | |
| Director | 23/06/2010–02/05/2019 | 2 | |
| Director | 04/09/2018–30/06/2020 | 2 | |
| Director | 31/12/2016–31/05/2018 | 3 | |
| Director | 30/06/2020–30/04/2021 | 2 |
Persons with significant control
4Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 30/04/2021–30/04/2021 | 12 | |
| 30/04/2021–Present | 1 | |
| 23/06/2017–31/12/2017 | 0 | |
| 23/03/2018–30/04/2021 | 0 |
Filing history and recent activity
Every document on the Companies House record, newest first.
- Filings on record
- 17
- Since 04/05/2021
- Last 12 months
- 3
- +1 vs the year before
- Most recent filing
- 28/08/2026
- 1 month ago
What changed in the last year
- Accounts filedLatest 28/08/2026
- Officer changes (2)Latest 07/05/2026
Filing timeline
- 28/08/2026View PDF (12 pages)
Total exemption full accounts made up to 2025-12-31
- 07/05/2026View PDF (2 pages)
Change of details for Core Nuclear Group Ltd as a person with significant control on 2021-04-30
- 29/04/2026View PDF (2 pages)
Director's details changed for Mr John Robert Mcgibbon on 2021-04-30
- 13/08/2025View PDF (12 pages)
Total exemption full accounts made up to 2024-12-31
- 07/07/2025View PDF (3 pages)
Confirmation statement made on 2025-06-23 with no updates
- 19/09/2024View PDF (11 pages)
Total exemption full accounts made up to 2023-12-31
- 03/07/2024View PDF (3 pages)
Confirmation statement made on 2024-06-23 with no updates
- 25/06/2024View PDF (1 pages)
Register inspection address has been changed to Fifteen Rosehill Montgomery Way Rosehill Estate Carlisle CA1 2RW
- 24/06/2024View PDF (2 pages)
Change of details for Nuclear Site Services Group Ltd as a person with significant control on 2024-04-23
- 27/04/2024View PDF (1 pages)
Resolutions
- 23/04/2024View PDF (3 pages)
Certificate of change of name
- 30/01/2024View PDF (1 pages)
Satisfaction of charge 072935920002 in full
Showing 12 of 17 filings
See when the next accounts and confirmation statement are due
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ASTELL SCIENTIFIC LIMITED
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About CORE NUCLEAR SOLUTIONS LTD
A short description of the company, written from its Companies House record.
CORE NUCLEAR SOLUTIONS LTD is a private limited company registered in the United Kingdom, based in Unit 1 Joseph Noble Road, Lillyhall, Workington, Cumbria CA14 4JX. Companies House classifies its business as Manufacture of other machine tools. It has been on the register for 16 years 3 months.
The register currently records it as active. Its 2025 accounts report net assets of £6.08M and 49 employees.
CORE NUCLEAR SOLUTIONS LTD: frequently asked questions
Answered from this company's own registry record and filed figures.
Companies House records CORE NUCLEAR SOLUTIONS LTD under one registered business activity: Manufacture of other machine tools (28.49 - SIC 2007).
CORE NUCLEAR SOLUTIONS LTD is recorded as active on the Companies House register, and has been on it since 23/06/2010.
The most recent accounts Okredo holds cover 2025 and report net assets of £6.08M, total assets of £7.28M, cash in bank of £3.06M and total liabilities of £960.22K.
The most recent document on the record is dated 28/08/2026: Total exemption full accounts made up to 2025-12-31, 1 month ago.
On the current registry record, accounts are due by 30/09/2027 and the next confirmation statement is due by 07/07/2027.
Companies House lists 11 officers (2 currently in post) and 4 people with significant control (1 current).