SIC code 80300
Investigation activities
There are 1,820 active UK companies registered under SIC code 80300 (Investigation activities), as of October 2026.
Live figures, the full list, more filters, and CSV export.
On the register
Share of these companies on the live register, by status.
- Active 80%
- Proposal to strike off 19%
- In insolvency or administration 2%
New registrations
Companies registered each month, October 2025 – September 2026, that are still on the register. See registrations by month across all companies.
Show the figures
| Month | Companies |
|---|---|
| October 2025 | 28 |
| November 2025 | 19 |
| December 2025 | 17 |
| January 2026 | 23 |
| February 2026 | 17 |
| March 2026 | 23 |
| April 2026 | 34 |
| May 2026 | 20 |
| June 2026 | 25 |
| July 2026 | 30 |
| August 2026 | 17 |
| September 2026 | 18 |
Company age
How long the active companies have been registered.
- Under 1 year 14%
- 1–3 years 16%
- 3–5 years 11%
- 5–10 years 21%
- 10–20 years 26%
- 20 years or more 12%
Where they're registered
Active companies by postcode area of their registered office.
- East Central London (EC) 148
- West London (W) 119
- West Central London (WC) 101
- North London (N) 50
- Birmingham (B) 45
- East London (E) 43
- Manchester (M) 37
- South West London (SW) 35
- Milton Keynes (MK) 31
- South East London (SE) 31
Note: Location figures use the registered office address from Companies House. Many companies register at an accountant's or formation agent's address, which may differ from where they trade.
Recently registered companies
Active companies recently registered under SIC code 80300.
| Company | Number | Registered | Town |
|---|---|---|---|
| TRUENORTH INTELLIGENCE GROUP LTD | 17496344 | 2 Oct 2026 | Surbiton |
| QUESTIO GLOBAL LTD | 17495468 | 2 Oct 2026 | West Byfleet |
| HEWITT ADVISORY LTD | 17493961 | 1 Oct 2026 | London |
| LK INDEPENDENT INVESTIGATIONS LIMITED | 17493732 | 1 Oct 2026 | Sandbach |
| FOXES AI INVESTIGATIONS LTD | 17492818 | 1 Oct 2026 | London |
| ASSET TRACING ADVISORY LIMITED | 17491414 | 30 Sept 2026 | LONDON |
| CREDITORCLAIMS.AI LTD | 17490914 | 30 Sept 2026 | COVENTRY |
| HIGHMARK OPERATIONS LTD | 17490839 | 30 Sept 2026 | LONDON |
| IQVS LTD | 17485029 | 28 Sept 2026 | MANCHESTER |
| KARMA LABS LIMITED | 17483632 | 27 Sept 2026 | LONDON |
Related
- Part of the Admin & Support industry group.
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Other admin & support SIC codes:
- 82990 – Other business support service activities n.e.c. (207,000)
- 78109 – Other activities of employment placement agencies (29,300)
- 81210 – General cleaning of buildings (24,400)
- 81300 – Landscape service activities (23,100)
- 78200 – Temporary employment agency activities (21,100)
- 81299 – Other cleaning services (19,300)
- 79110 – Travel agency activities (15,700)
- 78300 – Human resources provision and management of human resources functions (14,300)
- All SIC codes
- SIC codes explained
- New Company Registrations
- New / Updated Officers
- Charges / Mortgages
- Officer Disqualifications
- Accounts (Assets)
- Insolvency Filings
- Company Officer Resignations
- Existing Company Changes
- In Liquidation
Data as of .