Filing status
- Accounts due
- 30 September 2027
- Last accounts
- 31 December 2025
- Conf. stmt due
- 9 January 2027
- Last conf. stmt
- 26 December 2025
Cellnex UK In-Building Solutions Limited
- Incorporated
- 27 December 2017 (8 years)
- Previously known as
- Herbert In-Building Wireless Ltd (until 3 October 2022)Full Signal Ltd (until 8 November 2018)This list may be incomplete. See all names on Companies House
- Industry
- Wireless telecommunications activities (61200) specialised design activities (74100)
- Directors
- Owned by
- Accounts type
- Audit exemption subsidiary
- Region
- South East
- Address
- R+ 4th Floor2 Blagrave StreetReadingRG1 1AZ
Charges
- Total
- 3
- Outstanding
- 0
- Part satisfied
- 0
- Satisfied
- 3
Officers 6 active
Officer details are public data from the Companies House register.
Director · Appointed 13 October 2026
British
Born February 1974 (52)
Director · Appointed 4 August 2026
Portuguese
Born May 1983 (43)
Director · Appointed 31 July 2026
Portuguese
Born April 1972 (54)
Director · Appointed 16 October 2025
British
Born February 1969 (57)
Director · Appointed 30 June 2025
Brazilian
Born May 1996 (30)
Whitaker, Rachael
Secretary · Appointed 10 November 2023
Officer history (12 former)
13 October 2026
4 August 2026
31 July 2026
31 May 2026
1 May 2026
Resigned Landolina, Gianluca as Director
22 October 2025
16 October 2025
16 October 2025
30 June 2025
25 February 2025
31 January 2024
Resigned Alvarez Villamarin, Alfonso Juan as Director
14 November 2023
14 November 2023
Appointed Landolina, Gianluca as Director
14 November 2023
10 November 2023
Appointed Whitaker, Rachael as Secretary
31 July 2023
Resigned Miralles Prieto, Jose Maria as Director
31 January 2023
30 September 2022
30 September 2022
Appointed Alvarez Villamarin, Alfonso Juan as Director
30 September 2022
Appointed Miralles Prieto, Jose Maria as Director
30 September 2022
30 September 2022
30 September 2022
Resigned Herbert, Claire Mary as Secretary
30 September 2022
Resigned Eddison, Colin Geoffrey as Director
21 October 2021
1 November 2018
30 March 2018
26 February 2018
Appointed Herbert, Claire Mary as Secretary
26 February 2018
Appointed Eddison, Colin Geoffrey as Director
27 December 2017
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 30 September 2022
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Limited Company
Reg. no. 05153745
Former controllers (1)
30 September 2022
Ceased Herbert Group Limited — Owns 25–50% of shares
Group structure 16 companies
Ownership group derived from the Companies House PSC register
Cellnex UK In-Building Solutions Limited This company Owns 75–100% of shares
Cellnex UK Midco Limited Owns 75–100% of shares
Cellnex Connectivity Solutions Limited Owns 75–100% of shares
Cellnex Newco 3 Limited Owns 75–100% of shares
Cellnex UK Consulting Limited Owns 75–100% of shares
Radiosite Limited Owns 75–100% of shares
Watersite Limited Owns 75–100% of shares
Cignal Infrastructure UK Limited Owns 75–100% of shares
On Tower UK Limited Owns 75–100% of shares
On Tower UK 1 Limited Owns 75–100% of shares
On Tower UK 2 Limited Owns 75–100% of shares
On Tower UK 3 Limited Owns 75–100% of shares
On Tower UK 4 Limited Owns 75–100% of shares
On Tower UK 5 Limited Owns 75–100% of shares
QS4 Holdings Limited Owns 75–100% of shares
Financials
Figures from 2023 accounts. Newer accounts, made up to 31 December 2025, are filed but not read yet. See them on Companies House
- Net Assets
- (£1,292,165)
- Cash
- £0
- Employees
- 16
- Debt Ratio
- 143%
- Current Ratio
- 0.7x
Trend
Net Assets
Balance sheet detail
| 2023 | 2022 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|
| Fixed Assets | £49,372 | £9,536 | £13,220 | £6,071 | £10,736 |
| Current Assets | £2,959,025 | £389,576 | £1,807,240 | £857,870 | £1,427,399 |
| Cash | £0 | £26,542 | £777,558 | £15,601 | £982,842 |
| Creditors (< 1 year) | £4,290,834 | £707,927 | £2,052,077 | £1,193,039 | £1,601,184 |
| Net Current Assets | (£1,331,809) | (£318,351) | (£244,837) | (£335,169) | (£173,785) |
| Net Assets | (£1,292,165) | (£310,627) | (£237,322) | (£332,291) | (£165,089) |
| Shareholder Funds | (£1,292,165) | (£310,627) | (£237,322) | (£332,291) | (£165,089) |
| Turnover | £1,780,583 | £1,397,563 | |||
| Cost of Sales | £1,278,956 | £971,507 | |||
| Gross Profit | £501,627 | £426,056 | |||
| Admin Expenses | £688,405 | £647,535 | |||
| Operating Profit | (£166,049) | (£221,479) | |||
| Profit Before Tax | (£166,049) | (£221,483) | |||
| Tax | £1,153 | £2,040 | |||
| Profit for Period | (£167,202) | (£223,523) | |||
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 12 August 2026 | Appointment of a director | |||
| 12 August 2026 | Appointment of a director | |||
| 2 June 2026 | Termination of appointment of a director | |||
| 17 May 2026 | Other filing | |||
| 17 May 2026 | Accounts filing |
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