Annual accounts
Small accounts
29/09/2027Filing deadline
- Next accounts made up to
- 29/12/2026
- Last accounts made up to
- 29/12/2025
Reference data exactly as held at Companies House.
The 4 most recent documents filed at Companies House.
Confirmation statement made on 2026-01-03 with no updates
Current accounting period extended from 2025-06-29 to 2025-12-29
Total exemption full accounts made up to 2024-06-29
Previous accounting period shortened from 2024-06-30 to 2024-06-29
What Pre-Score will tell you

The two filings Companies House requires every year, and where each one stands against its deadline today.
Small accounts
29/09/2027Filing deadline
Confirms the registry record is up to date
17/01/2027Filing deadline
The latest figures DM CALIBRATION LIMITED filed. Okredo holds filed accounts data for 2021–2024; the year-by-year record is on the financials page.
Net Assets
2023: £333.19K
Total Assets
2023: £1.53M
Cash in Bank
2022: £23.66K
Total Liabilities
2023: £789.77K
Employees
2023: 22
Of the 4 measures with an earlier filing to compare against, 3 rose and 1 fell. Total assets moved furthest, up 240.81% on 2023. See the full financial analysis for DM CALIBRATION LIMITED.
The full financial record
Four ways through DM CALIBRATION LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Headcount as reported to Companies House for 2021–2024.
| Year | Employees | Change |
|---|---|---|
| 2024 | 58 | +36 |
| 2023 | 22 | +2 |
| 2022 | 20 | -3 |
| 2021 | 23 | – |
Reported employee count increased from 23 in 2021 to 58 in 2024. See how headcount moved alongside the reported financials.
Credit report
It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.
Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Secretary | 30/01/1991–22/12/1998 | 0 | |
| Director | 24/02/2015–Present | 49 | |
| Director | 30/01/1991–20/12/1998 | 0 | |
| Director | 01/10/1999–24/02/2015 | 0 | |
| Director | 30/01/1991–24/02/2015 | 0 | |
| Secretary | 21/12/1998–24/02/2015 | 0 |
Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 06/04/2016–04/05/2023 | 49 | |
| 28/06/2024–Present | 0 | |
| 04/05/2023–Present | 0 | |
| 04/05/2023–28/06/2024 | 0 |
Every document on the Companies House record, newest first.
Confirmation statement made on 2026-01-03 with no updates
Current accounting period extended from 2025-06-29 to 2025-12-29
Total exemption full accounts made up to 2024-06-29
Previous accounting period shortened from 2024-06-30 to 2024-06-29
Confirmation statement made on 2025-01-03 with updates
Cessation of Shoo 501 Limited as a person with significant control on 2024-06-28
Notification of Dm Calibration Group Limited as a person with significant control on 2024-06-28
Registration of charge 025784150003, created on 2024-05-03
Registration of charge 025784150004, created on 2024-05-03
Satisfaction of charge 1 in full
Total exemption full accounts made up to 2023-06-30
Registration of charge 025784150002, created on 2024-03-19
Showing 12 of 99 filings
See when the next accounts and confirmation statement are due
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A short description of the company, written from its Companies House record.
DM CALIBRATION LIMITED is a private limited company registered in the United Kingdom, based in Unit 3 Iceni Court Icknield Way, Letchworth Garden City, Hertfordshire SG6 1TN. Companies House classifies its business as Other business support service activities n.e.c. security. It has been on the register for 35 years 8 months.
The register currently records it as active. Its 2024 accounts report net assets of £216.19K and 58 employees.
Answered from this company's own registry record and filed figures.
Companies House records DM CALIBRATION LIMITED under one registered business activity: Other business support service activities n.e.c. security (82.99 - SIC 2007).
DM CALIBRATION LIMITED is recorded as active on the Companies House register, and has been on it since 30/01/1991.
The most recent accounts Okredo holds cover 2024 and report net assets of £216.19K, total assets of £5.22M, cash in bank of £77.52K and total liabilities of £4.24M.
The most recent document on the record is dated 04/02/2026: Confirmation statement made on 2026-01-03 with no updates, 7 months ago.
On the current registry record, accounts are due by 29/09/2027 and the next confirmation statement is due by 17/01/2027.
Companies House lists 6 officers (1 currently in post) and 4 people with significant control (2 current).