TERTIA LIMITED
Company details
- Registered name
- TERTIA LIMITED
- Company number
- 04777078
- Registered office
- 85 BUCKINGHAM GATE, LONDON, SW1E 6PD, ENGLAND · 59 other companies at this postcode
- Company type
- Private Limited Company
- Incorporated on
- 27 May 2003
- Status
- Active
- Age
- 23 years
- Nature of business (SIC)
- 70229 — Management consultancy activities other than financial management
- Accounts — next due
- 31 Mar 2027
- Accounts — last made up to
- 30 Jun 2025
- Confirmation statement — next due
- 28 May 2027
- Confirmation statement — last
- 14 May 2026
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.
- 5 of 5 registered charges outstanding — a lender has a claim over the assets.
- A person with significant control here also controls 2 other companies.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 07/02/2018 | Person with significant control ceased | Mr Mark Deryk William Slatter | — |
| 07/02/2018 | Person with significant control added | — | Mrs Amber Margaret Lewis |
| 06/04/2016 | Person with significant control added | — | Mr Mark Deryk William Slatter |
Financial highlights
Parsed from the filed statutory accounts (£ thousands, except employees)
| Metric | FY2025 | FY2024 |
|---|---|---|
| Total assets less current liabilities | 5 ▼ 62.4% | 14 |
| Net assets | 0 ▼ 92.5% | 6 |
| Employees (avg) | 2 | 2 |
Documents for TERTIA LIMITED
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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.
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.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
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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About TERTIA LIMITED (04777078)
TERTIA LIMITED is a private limited company incorporated on 27 May 2003 and registered in the United Kingdom under company number 04777078. Its registered office is at 85 BUCKINGHAM GATE, LONDON, SW1E 6PD, ENGLAND. The recorded nature of business is management consultancy activities other than financial management (SIC 70229). The company is currently active , with statutory accounts last made up to 30 June 2025. , and the person with significant control is Mr Mark Deryk William Slatter. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
Companies at the same registered office
Management consultancy activities other than financial management across UK registers
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