Filing status
- Accounts due
- 30 June 2027
- Last accounts
- 30 September 2025
- Conf. stmt due
- 23 September 2027
- Last conf. stmt
- 9 September 2026
GMTL Advisory Limited
- Incorporated
- 28 September 2012 (14 years)
- Previously known as
- Greenmantle Advisory Limited (until 11 April 2014)This list may be incomplete. See all names on Companies House
- Industry
- Investigation activities (80300)
- Directors
- Lucy Mary KingSimon William King
- Owned by
- Simon William KingLucy Mary King
- Accounts type
- Total exemption full
- Region
- Greater London
- Address
- 179 Great Portland StreetLondonW1W 5PL
Officers 2 active
Officer details are public data from the Companies House register.
King, Lucy Mary
Director · Appointed 19 April 2018
British
Born May 1980 (46)
King, Simon William, Dr
Director · Appointed 5 August 2013
Irish
Born April 1973 (53)
Officer history (1 former)
19 April 2018
Appointed King, Lucy Mary as Director
5 August 2013
Appointed King, Simon William, Dr as Director
5 August 2013
28 September 2012
Ownership 2 active
People and entities with significant control, from the Companies House PSC register
Simon William King
Individual · Notified 1 July 2016
Owns 25–50% of shares
Holds 25–50% of voting rights
Right to appoint and remove directors
Irish
Born April 1973 (53)
Lucy Mary King
Individual · Notified 1 July 2016
Owns 25–50% of shares
Holds 25–50% of voting rights
English
Born May 1980 (46)
Former controllers (1)
1 September 2016
Ceased Simon William King — Owns 75–100% of shares
Financials
Balance sheet as at 30 September 2025 · total exemption full accounts
- Net Assets
- £4,693,970
- Cash
- £1,667,474
- Employees
- 4
- Debt Ratio
- 17%
- Current Ratio
- 5.5x
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Fixed Assets | £822,502 | £804,128 | £713,558 | £678,245 | £736,615 | £618,225 |
| Current Assets | £4,809,021 | £4,098,232 | £3,408,861 | £2,711,656 | £2,235,546 | £1,801,472 |
| Debtors | £2,586,109 | £1,560,952 | £51,992 | |||
| Cash | £1,667,474 | £1,517,882 | £822,752 | £481,240 | £674,594 | £1,749,480 |
| Creditors (< 1 year) | £873,051 | £689,752 | £580,401 | £587,192 | £575,011 | |
| Creditors (> 1 year) | £43,688 | |||||
| Net Current Assets | £3,935,970 | £3,408,480 | £2,768,154 | £2,131,255 | £1,648,354 | £1,226,461 |
| Net Assets | £4,693,970 | £4,152,229 | £3,443,224 | £2,779,187 | £2,306,877 | £1,822,380 |
| Shareholder Funds | £1,822,380 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 14 September 2026 | Registered office address changed | |||
| 14 September 2026 | Confirmation statement with no updates | 9 September 2026 | ||
| 21 July 2026 | Replacement filing for the appointment of a director | |||
| 17 July 2026 | Other filing | |||
| 2 March 2026 | Total exemption full accounts | 30 September 2025 |
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