Website & contact details
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- The site of this company’s group or brand.
The Castle Building Services Organisation Limited
- Incorporated
- 14 December 2012 (13 years)
- Industry
- Construction of commercial buildings (41201) Electrical installation (43210)Plumbing, heat and air-conditioning installation (43220)
- Directors
- Natalie GroomSimon Groom
- Owned by
- Accounts type
- Full
- Region
- North East
- Address
- 6 Merchant CourtMonkton Business Park SouthHebburnNE31 2EX
Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 30 January 2027
- Last conf. stmt
- 16 January 2026
Charges
- Total
- 6
- Outstanding
- 1
- Part satisfied
- 0
- Satisfied
- 5
Officers 5 active
Officer details are public data from the Companies House register.
British
Born October 1984 (42)
Groom, Natalie
Director · Appointed 6 April 2017
British
Born January 1969 (57)
Groom, Simon
Director · Appointed 14 December 2012
British
Born April 1970 (56)
Director · Appointed 14 December 2012
British
Born December 1961 (64)
Lister, Carol
Director · Appointed 14 December 2012
British
Born November 1964
Officer history (3 former)
28 November 2023
Resigned Harland, Jayne as Director
28 November 2023
Resigned Carr, Allan as Director
28 November 2023
Resigned Harland, David as Director
25 January 2018
6 April 2017
Appointed Groom, Natalie as Director
6 April 2017
Appointed Harland, Jayne as Director
14 December 2012
Appointed Groom, Simon as Director
14 December 2012
14 December 2012
Appointed Lister, Carol as Director
14 December 2012
Appointed Carr, Allan as Director
14 December 2012
Appointed Harland, David as Director
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 28 November 2023
Owns 75–100% of shares
Holds 75–100% of voting rights
Private Limited Company
Reg. no. 15241610
Former controllers (2)
28 November 2023
Ceased Allan Carr — Owns 25–50% of shares
28 November 2023
Group structure 8 companies
Ownership group derived from the Companies House PSC register
Castle (FM) Facilities Management Limited Owns 75–100% of shares
Castle (NE) Homes Limited Owns 75–100% of shares
Castle Design Limited Owns 75–100% of shares
Castle Sustainability Limited Owns 75–100% of shares
Castle UK Build Limited Owns 75–100% of shares
The Castle Building Services Organisation Limited This company Owns 75–100% of shares
Castle Building Services (South) Limited Owns 50–75% of shares
Financials
Balance sheet as at 31 December 2025 · full accounts
- Net Assets
- £5,504,810
- Cash
- £6,732,754
- Profit Before Tax
- £9,421,016
- Debt Ratio
- 76%
- Current Ratio
- 1.3x
- Return on Equity
- 143%
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | |
|---|---|---|
| Fixed Assets | £676,049 | £240,092 |
| Current Assets | £22,479,984 | £19,967,623 |
| Debtors | £15,747,230 | £11,408,160 |
| Cash | £6,732,754 | £8,559,463 |
| Creditors (< 1 year) | £17,558,696 | £17,902,268 |
| Creditors (> 1 year) | £0 | £166,667 |
| Net Current Assets | £4,921,288 | £2,065,355 |
| Net Assets | £5,504,810 | £2,099,186 |
| Shareholder Funds | £5,504,810 | £2,099,186 |
Filings 90
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 9 July 2026 | Full accounts | 31 December 2025 | ||
| 31 January 2026 | Confirmation statement with updates | 16 January 2026 | ||
| 12 September 2025 | Full accounts | 31 December 2024 | ||
| 31 January 2025 | Confirmation statement with updates | 16 January 2025 | ||
| 6 June 2024 | Group of companies' accounts | 31 December 2023 |
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