Website & contact details
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- The site of this company’s group or brand.
System1 Agency Ltd
- Incorporated
- 19 October 2015 (11 years)
- Previously known as
- System-1 Agency Limited (until 25 January 2016)This list may be incomplete. See all names on Companies House
- Industry
- Advertising agencies (73110)
- Owned by
- Accounts type
- Audit exemption subsidiary
- Region
- Greater London
- Address
- 4 More London RiversideLondonSE1 2AU
Filing status
- Accounts due
- 31 December 2027
- Last accounts
- 31 March 2026
- Conf. stmt due
- 24 November 2026
- Last conf. stmt
- 10 November 2025
Charges
- Total
- 1
- Outstanding
- 1
- Part satisfied
- 0
- Satisfied
- 0
Officers 3 active
Officer details are public data from the Companies House register.
Director · Appointed 3 March 2026
British
Born October 1982 (44)
Willford, Christopher Patrick
Secretary · Appointed 12 October 2020
Director · Appointed 4 August 2020
British
Born July 1962 (64)
Officer history (4 former)
3 March 2026
3 March 2026
12 October 2020
Appointed Willford, Christopher Patrick as Secretary
12 October 2020
Resigned Kearon, John Victor as Secretary
4 August 2020
3 April 2020
Appointed Kearon, John Victor as Secretary
3 April 2020
Resigned Geddes, James Brodie as Secretary
3 April 2020
19 October 2015
Appointed Geddes, James Brodie as Secretary
19 October 2015
19 October 2015
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Plc
Reg. no. 05940040
Group structure 4 companies
Ownership group derived from the Companies House PSC register
System1 AD Ratings Limited Owns 75–100% of shares
System1 Agency Ltd This company Owns 75–100% of shares
System1 Research Limited Owns 75–100% of shares
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 2 April 2026 | Termination of appointment of a director | |||
| 2 April 2026 | Appointment of a director | |||
| 2 April 2026 | Confirmation statement with no updates | 10 November 2025 | ||
| 16 December 2025 | Other filing | |||
| 16 December 2025 | Accounts filing |
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