On Tower UK 4 Limited

Active01460772 Private limited company
Incorporated
13 November 1979 (46 years)
Previously known as
Arqiva Aerial Sites Limited (until 16 July 2020)
Arqiva Aerial Sites PLC (until 1 February 2013)
National Grid Wireless Aerial Sites PLC (until 22 September 2008)
Earlier: Gridcom Aerial Sites PLC, Aerial Sites Public Limited Company, Luppool Limited
Industry
Other telecommunications activities (61900)
Other business support service activities n.e.c. (82990)
Directors
Owned by
Accounts type
Audit exemption subsidiary
Region
South East
Address
R+
4th Floor
2 Blagrave Street
Reading
RG1 1AZ

Filing status

Accounts due
30 September 2027
Last accounts
31 December 2025
Conf. stmt due
17 May 2027
Last conf. stmt
3 May 2026

Charges

Total
6
Outstanding
0
Part satisfied
0
Satisfied
6

Officers 6 active

Officer details are public data from the Companies House register.

Director · Appointed 13 October 2026
Also at Cellnex Connectivity Solutions Limited, Cellnex UK In-Building Solutions Limited, Cellnex UK Consulting Limited · more companies
British
Born February 1974 (52)
Director · Appointed 4 August 2026
Also at On Tower UK 2 Limited, On Tower UK Limited, Radiosite Limited · more companies
Portuguese
Born May 1983 (43)
Director · Appointed 31 July 2026
Also at QS4 Holdings Limited, Cellnex Connectivity Solutions Limited, Cignal Infrastructure UK Limited · more companies
Portuguese
Born April 1972 (54)
Director · Appointed 16 October 2025
Also at On Tower UK 2 Limited, Cellnex Connectivity Solutions Limited, Cellnex UK In-Building Solutions Limited · more companies
British
Born February 1969 (57)
Director · Appointed 30 June 2025
Also at On Tower UK 2 Limited, Cellnex Connectivity Solutions Limited, Cellnex UK In-Building Solutions Limited · more companies
Brazilian
Born May 1996 (30)
Whitaker, Rachael
Secretary · Appointed 10 November 2023
Officer history (48 former)
13 October 2026
Appointed Cloete, Stephanus Abraham as Director
4 August 2026
Appointed Carvalho Modesto, Dinis Miguel as Director
31 July 2026
31 May 2026
1 May 2026
Resigned Landolina, Gianluca as Director
22 October 2025
Resigned Cuartero Pelegay, Carolina as Director
16 October 2025
Appointed Cray, Stephen John as Director
16 October 2025
Resigned Stonadge, Paul Ralph as Director
30 June 2025
Appointed Monteiro, Caio Vaz as Director
25 February 2025
31 January 2024
Resigned Alvarez Villamarin, Alfonso Juan as Director
14 November 2023
Appointed Cuartero Pelegay, Carolina as Director
14 November 2023
Appointed Landolina, Gianluca as Director
14 November 2023
Appointed Stonadge, Paul Ralph as Director
14 November 2023
Resigned On Tower UK Limited as Corporate Director
10 November 2023
Appointed Whitaker, Rachael as Secretary
31 January 2023
Appointed Alvarez Villamarin, Alfonso Juan as Director
31 January 2023
Resigned Crawford, David William as Director
8 July 2020
Resigned Jones, Timothy John Alexander as Director
8 July 2020
Appointed Crawford, David William as Director
8 July 2020
Appointed On Tower UK Limited as Corporate Director
8 July 2020
Resigned Donovan, Paul Michael as Director
8 July 2020
Resigned Mavor, Jeremy as Secretary
20 April 2020
Resigned Beresford-Wylie, Simon Piers as Director
20 April 2020
Appointed Donovan, Paul Michael as Director
15 May 2019
Appointed Jones, Timothy John Alexander as Director
15 May 2019
Resigned Aikman, Elizabeth Jane as Director
25 March 2019
Resigned Stratton, Paul Graham as Director
25 March 2019
Appointed Aikman, Elizabeth Jane as Director
1 January 2018
Appointed Mavor, Jeremy as Secretary
1 January 2018
Resigned Giles, William Michael as Secretary
11 January 2017
Resigned Solomon, Liliana as Director
3 January 2017
Appointed Stratton, Paul Graham as Director
1 June 2016
Appointed Solomon, Liliana as Director
1 June 2016
Resigned Moses, Philip David as Director
1 August 2015
Resigned Cresswell, John Harold as Director
1 August 2015
Appointed Beresford-Wylie, Simon Piers as Director
15 July 2011
Appointed Moses, Philip David as Director
15 July 2011
Resigned Mchutchison, Joshua as Director
28 January 2011
Appointed Cresswell, John Harold as Director
28 January 2011
Resigned Bennie, Thomas Meikle as Director
15 December 2010
Appointed Mchutchison, Joshua as Director
15 December 2010
Resigned Ward, John Joseph as Director
5 August 2009
Resigned Pitt, Michael John as Director
31 July 2009
Appointed Giles, William Michael as Secretary
31 July 2009
Resigned O'Connor, Thomas Kerry as Secretary
3 September 2008
Resigned O'Brien, Patrick Gerard as Director
3 September 2008
Resigned Dennehy, Angela Mary as Secretary
3 September 2008
Appointed Bennie, Thomas Meikle as Director
3 September 2008
Appointed Pitt, Michael John as Director
3 September 2008
Appointed O'Connor, Thomas Kerry as Secretary
3 September 2008
Resigned Perusat, Marc Michel as Director
3 April 2007
Appointed Perusat, Marc Michel as Director
3 April 2007
Resigned Humphreys, Stuart Calvin as Director
3 April 2007
Appointed O'Brien, Patrick Gerard as Director
3 April 2007
Appointed Ward, John Joseph as Director
3 April 2007
Resigned Marshall, Steven Christopher as Director
3 January 2006
Appointed Humphreys, Stuart Calvin as Director
3 January 2006
Resigned Sloey, Andrew as Director
14 October 2004
Resigned Harris, Stephen Vincent as Director
14 October 2004
Appointed Sloey, Andrew as Director
14 October 2004
Appointed Dennehy, Angela Mary as Secretary
14 October 2004
Resigned Ladha, Alnoor as Secretary
31 May 2004
Resigned Cocks, Simon as Director
30 April 2003
Resigned Ellison, John Beaumont as Secretary
24 April 2003
Appointed Ladha, Alnoor as Secretary
1 April 2003
Appointed Harris, Stephen Vincent as Director
1 April 2003
Resigned Lyons, Peter as Director
7 February 2003
Resigned Copley, Stephen Gerald as Director
5 February 2003
Appointed Marshall, Steven Christopher as Director
21 October 2002
Appointed Cocks, Simon as Director
21 October 2002
Resigned Gamota, Alexander Peter as Director
5 September 2001
Appointed Lyons, Peter as Director
5 September 2001
Resigned Jackman, Christopher Leslie as Director
5 September 2001
Appointed Gamota, Alexander Peter as Director
5 September 2001
Resigned Hitchings, John Edward as Director
5 September 2001
Appointed Ellison, John Beaumont as Secretary
5 September 2001
Resigned Curtis, John Nicholas Buller as Director
16 July 2001
Appointed Copley, Stephen Gerald as Director
25 June 2001
Resigned Cleminson, Peter Derrick as Director
8 June 2001
Resigned Weil, Timothy Paul as Director
16 April 2001
Resigned Kahn, John Emmanuel as Secretary
16 April 2001
Resigned Kahn, John Emmanuel as Director
31 December 2000
Resigned Gellman, Alexander Lasser as Director
31 October 2000
Resigned Salter, Christopher Robin as Director
12 August 2000
Appointed Curtis, John Nicholas Buller as Director
12 August 2000
Appointed Jackman, Christopher Leslie as Director
12 August 2000
Resigned David, Gerald Hill as Director
12 August 2000
Appointed Gellman, Alexander Lasser as Director
1 June 1998
Appointed Weil, Timothy Paul as Director
31 May 1998
Resigned Kay, Alister Egon as Director
1 November 1997
Appointed Kahn, John Emmanuel as Director
1 November 1997
Resigned Bastin, Abina as Secretary
1 November 1997
Appointed Kahn, John Emmanuel as Secretary
27 May 1997
Appointed Hitchings, John Edward as Director
1 August 1994
Appointed Salter, Christopher Robin as Director
6 June 1994
Resigned Moon, George James as Director
6 July 1992
Appointed Cleminson, Peter Derrick as Director

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Corporate entity · Notified 26 May 2020
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Limited Company
Reg. no. 03196207
Former controllers (1)
1 July 2020
Ceased Arqiva Muxco Limited — Owns 75–100% of shares

Group structure 16 companies

Ownership group derived from the Companies House PSC register

Cellnex UK Limited
Cellnex UK In-Building Solutions Limited 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 This company Owns 75–100% of shares
On Tower UK 5 Limited Owns 75–100% of shares
QS4 Holdings Limited Owns 75–100% of shares

Filings

Recent filings only. See the full history on Companies House

DateDescriptionMade Up ToPagesPDF
12 August 2026Appointment of a director
12 August 2026Appointment of a director
2 June 2026Termination of appointment of a director
17 May 2026Other filing
17 May 2026Other filing
Show all recent filings

Some other companies at this address

Celland Estate Management Limited
Cellnex Connectivity Solutions Limited
Cellnex UK Consulting Limited
Cellnex UK Limited
Cellnex UK Midco Limited
Cignal Infrastructure UK Limited

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