opendata.bot
Company number
12907428

SANITY CHECK LTD

Officer · CLEMETSON, Jane Mary
Active
✓ Active company on the official register. Next accounts due 30 June 2027.

Company details

Registered name
SANITY CHECK LTD
Company number
12907428
Registered office
111 Algernon Road, London, SE13 7AP, United Kingdom
Company type
Private limited company
Incorporated on
25 September 2020
Status
Active
Age
5 years
Nature of business (SIC)
62090 — Other information technology service activities
Accounts — next due
30 Jun 2027
Accounts — last made up to
30 Sept 2025
Confirmation statement — next due
08 Oct 2026
Confirmation statement — last
24 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

1 active

director
Appointed 25/09/2020
Active

People with significant control

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

Ms Jane Mary Clemetson
ownership-of-shares-75-to-100-percent
Notified 25/09/2020

Corporate structure

Who controls this company, and who they control in turn

Connections

Serving officers

director Appointed 25/09/2020

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
25/09/2020 Person with significant control added Ms Jane Mary Clemetson
25/09/2020 Director appointed CLEMETSON, Jane Mary

Financial highlights

No figures could be read from the accounts filed on 20 May 2026. 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 SANITY CHECK LTD

Need this one company on file? Buy the document on its own — no plan required.

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.

PDF Order
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.

PDF + CSV Order
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

AA — accounts-with-accounts-type-dormant
accounts
CS01 — confirmation-statement-with-updates
confirmation-statement
AA — accounts-with-accounts-type-dormant
accounts
CS01 — confirmation-statement-with-updates
confirmation-statement
AA — accounts-with-accounts-type-dormant
accounts
CS01 — confirmation-statement-with-no-updates
confirmation-statement
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AA — accounts-with-accounts-type-dormant
accounts
AA — accounts-with-accounts-type-dormant
accounts
CS01 — confirmation-statement-with-no-updates
confirmation-statement
NEWINC — incorporation-company
incorporation

Get this company via API

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X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of SANITY CHECK LTD?
According to the official registry, the company number of SANITY CHECK LTD is 12907428.
Where is SANITY CHECK LTD registered?
The registered office is 111 Algernon Road, London, SE13 7AP, United Kingdom.
Who runs SANITY CHECK LTD?
CLEMETSON, Jane Mary is listed among the officers of SANITY CHECK LTD.
What is the SIC code of SANITY CHECK LTD?
The nature of business is recorded under SIC code 62090 — Other information technology service activities.
Who controls SANITY CHECK LTD?
Ms Jane Mary Clemetson is recorded as a person with significant control, with ownership of shares 75 to 100 percent.
When are the next accounts of SANITY CHECK LTD due?
The next annual accounts are due by 30 June 2027, and the last accounts were made up to 30 September 2025.

About SANITY CHECK LTD (12907428)

SANITY CHECK LTD is a private limited company incorporated on 25 September 2020 and registered in the United Kingdom under company number 12907428. Its registered office is at 111 Algernon Road, London, SE13 7AP, United Kingdom. The recorded nature of business is other information technology service activities (SIC 62090). The company is currently active , with statutory accounts last made up to 30 September 2025. 1 active officer is on record , and the person with significant control is Ms Jane Mary Clemetson. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House , last refreshed 6 September 2026.

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