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Company number
05940040

SYSTEM1 GROUP PLC

Officer · ZIOLKO-NISHIKANT, Renata Anna and 24 others
Active
✓ Active company on the official register. Next accounts due 30 September 2026.
2 outstanding charges registered against this company. View charges.

Company details

London, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
SYSTEM1 GROUP PLC
Company number
05940040
Registered office
4 MORE LONDON RIVERSIDE, LONDON, SE1 2AU, ENGLAND · 133 other companies at this postcode
Company type
Public Limited Company
Incorporated on
19 September 2006
Status
Active
Age
19 years
Previous names
BRAINJUICER GROUP PLC (to 23 Mar 2017)
Nature of business (SIC)
73200 — Market research and public opinion polling
Accounts — next due
30 Sept 2026
Accounts — last made up to
24 Sept 2025
Confirmation statement — next due
03 Oct 2026
Confirmation statement — last
19 Sept 2025

What the register says

Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.

Companies House register snapshot, read 02/09/2026.

Officers

8 active · 17 resigned

secretary
Appointed 28/09/2022
Active
director
Appointed 01/09/2022
Active
director
Appointed 06/12/2022
Active
director
Appointed 15/02/2021
Active
director
Appointed 27/05/2022
Active
director
Appointed 02/03/2026
Active
director
Appointed 11/06/2018
Active
director
Appointed 26/06/2020
Active

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Mr John Victor Kearon
owns 25–50% of shares
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr John Victor Kearon
born 10/1965 · United Kingdom owns 25–50% of shares Control ended 19/11/2018

Serving officers

secretary Appointed 28/09/2022
director Appointed 01/09/2022
director Appointed 06/12/2022
director Appointed 15/02/2021
director Appointed 27/05/2022

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
03/03/2026 Director resigned KEARON, John Victor
02/03/2026 Director appointed ROBINSON, Lewis Simon
06/12/2022 Director appointed GREGORY, James Alexander
28/09/2022 Director resigned BLASHILL, Graham Leonard
28/09/2022 Secretary resigned WILLFORD, Christopher Patrick
28/09/2022 Secretary appointed ZIOLKO-NISHIKANT, Renata Anna
01/09/2022 Director appointed BONA, Conrad Christian
15/07/2022 Director resigned WAKELY, Jane Caroline
27/05/2022 Director appointed MACHRAY, Philip James
31/01/2022 Director resigned BARDEN, Stefan
13/08/2021 Director resigned BRAND, Robert Allan Richardson
15/02/2021 Director appointed HOWELL, Rupert Cortlandt Spencer
12/10/2020 Secretary resigned KEARON, John Victor
12/10/2020 Secretary appointed WILLFORD, Christopher Patrick
26/06/2020 Director appointed BARDEN, Stefan
26/06/2020 Director appointed WILLFORD, Christopher Patrick
20/04/2020 Director resigned GEDDES, James Brodie
20/04/2020 Secretary resigned GEDDES, James Brodie
20/04/2020 Secretary appointed KEARON, John Victor
10/02/2020 Charge registered A registered charge

Financial highlights

No figures could be read from the accounts filed on 17 Oct 2025. Companies House holds some filings only as a document image, which carries no tagged figures; the filing itself is on the register either way.

Documents for SYSTEM1 GROUP PLC

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Company extract£1.99

The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.

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Financial statements£3.99

Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.

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Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

PDF Order

Filing history

Most recent filings

AP01 — appoint-person-director-company-with-name-date
officers
TM01 — termination-director-company-with-name-termination-date
officers
AA — accounts-with-accounts-type-interim
accounts
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AD02 — change-sail-address-company-with-old-address-new-address
address
RESOLUTIONS — resolution
resolution
AA — accounts-with-accounts-type-group
accounts
RESOLUTIONS — resolution
resolution
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AA — accounts-with-accounts-type-group
accounts
SH04 — capital-sale-or-transfer-treasury-shares-with-date-currency-capital-figure
capital
RESOLUTIONS — resolution
resolution
AA — accounts-with-accounts-type-group
accounts
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AP03 — appoint-person-secretary-company-with-name-date
officers
TM02 — termination-secretary-company-with-name-termination-date
officers
AA — accounts-with-accounts-type-group
accounts
DISS40 — gazette-filings-brought-up-to-date
gazette
AP01 — appoint-person-director-company-with-name-date
officers
GAZ1 — gazette-notice-compulsory
gazette
RESOLUTIONS — resolution
resolution
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AP01 — appoint-person-director-company-with-name-date
officers
TM01 — termination-director-company-with-name-termination-date
officers
SH03 — capital-return-purchase-own-shares-treasury-capital-date
capital

Charges

2 outstanding · 0 satisfied

A registered charge — persons entitled: Hsbc UK Bank PLC
outstanding
A registered charge — persons entitled: Hsbc Bank PLC
outstanding

Data protection register

No entry found on the ICO register of fee payers under this name.

Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.

Get this company via API

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Frequently asked questions

What is the company number of SYSTEM1 GROUP PLC?
According to the official registry, the company number of SYSTEM1 GROUP PLC is 05940040.
Where is SYSTEM1 GROUP PLC registered?
The registered office is 4 MORE LONDON RIVERSIDE, LONDON, SE1 2AU, ENGLAND.
Who runs SYSTEM1 GROUP PLC?
ZIOLKO-NISHIKANT, Renata Anna is listed among the officers of SYSTEM1 GROUP PLC.
What is the SIC code of SYSTEM1 GROUP PLC?
The nature of business is recorded under SIC code 73200 — Market research and public opinion polling.
Who controls SYSTEM1 GROUP PLC?
Mr John Victor Kearon is recorded as a person with significant control, and owns 25–50% of shares.
When are the next accounts of SYSTEM1 GROUP PLC due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 24 September 2025.
Does SYSTEM1 GROUP PLC have any outstanding charges?
Yes — 2 outstanding charges are registered against the company.

About SYSTEM1 GROUP PLC (05940040)

SYSTEM1 GROUP PLC is a public limited company incorporated on 19 September 2006 and registered in the United Kingdom under company number 05940040. Its registered office is at 4 MORE LONDON RIVERSIDE, LONDON, SE1 2AU, ENGLAND. The recorded nature of business is market research and public opinion polling (SIC 73200). The company is currently active , with statutory accounts last made up to 24 September 2025. 25 active officers are on record , and the person with significant control is Mr John Victor Kearon. 2 outstanding charges are registered against it. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 8 September 2026.

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