£1
No changevs Sept 2024Active12907428Private limited companyLondon
SANITY CHECK LTD
B68/100From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
01
Summary
SANITY CHECK LTD is an active private limited company (company number 12907428) incorporated on 25 September 2020, registered in London. Its registered activity is other information technology service activities (SIC 62090). Latest dormant accounts cover the period ending 30 September 2025, showing net assets of £1. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the lower half of 8,890 comparable companies in London (median £1,000, upper quartile £36k).
02
Key dates
- Incorporated
- 25 September 20206 yrs ago
- Next accounts due
- 30 June 2027in 251 days
- Confirmation statement due
- 9 October 2027in 352 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 62090
- Other information technology service activities
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
04
Financials
Not reported
Not reported
Not reported
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £1 | — | — | — | — | — | — |
| 30 September 2024 | £1 | — | — | — | — | — | — |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Firmoscan score
68 / 100 · grade B
| 50 | Starting scoreEvery scored company starts here |
| +10 | Positive net assetsNet assets £1 at 2025-09-30 |
| +8 | EstablishedIncorporated 2020-09-25 (6 years) |
| 68 | Score, grade B |
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice. How the score is computed.
06
Ownership and control
- Ms Jane Mary Clemetson
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
07
Timeline
- Confirmation statement duein 352 days
- Next accounts duein 251 days
- Accounts period endNet assets £1 · dormant accounts
- Accounts period endNet assets £1 · dormant accounts
- Incorporated
08
Similar companies in London
- HOPNOW LIMITEDLondon · inc. Sept 2020
- REESET.EARTH LIMITEDLondon · inc. Sept 2020
- DOROTHY APP LIMITEDLondon · inc. Sept 2020
- PRIME FOUNDERS LIMITEDLondon · inc. Sept 2020
- INFRA MEZ LTDLondon · inc. Sept 2020
- MARKETING FAVOUR LTDLondon · inc. Sept 2020
All companies incorporated on 25 September 2020 · in Sept 2020.
09
Reminders for SANITY CHECK LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.