Annual accounts
Full accounts
31/03/2026Filing deadline
- Next accounts made up to
- 31/03/2025
- Last accounts made up to
- 31/03/2024
Reference data exactly as held at Companies House.
The 4 most recent documents filed at Companies House.
Confirmation statement made on 2025-08-01 with updates
Change of details for Avantis Holdco Inc as a person with significant control on 2024-10-22
Registered office address changed from Derwen House Court Road Bridgend CF31 1BN Wales to 5th Floor Southgate House Wood Street Cardiff CF10 1EW on 2025-03-26
Registration of charge 114961880005, created on 2025-03-07
What Pre-Score will tell you

The two filings Companies House requires every year, and where each one stands against its deadline today.
Full accounts
31/03/2026Filing deadline
Confirms the registry record is up to date
The latest figures AVANTIS MARINE LIMITED filed. Okredo holds filed accounts data for 2021–2024; the year-by-year record is on the financials page.
Net Assets
2023: £6.18M
Total Assets
2023: £14.02M
Cash in Bank
2023: £916.71K
Total Liabilities
2023: £7.84M
Employees
2023: 33
Of the 4 measures with an earlier filing to compare against, 4 rose. Total assets moved furthest, up 47.92% on 2023. See the full financial analysis for AVANTIS MARINE LIMITED.
The full financial record
Four ways through AVANTIS MARINE 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 | 43 | +10 |
| 2023 | 33 | +10 |
| 2022 | 23 | -47 |
| 2021 | 70 | – |
Reported employee count decreased from 70 in 2021 to 43 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 |
|---|---|---|---|
| Director | 06/01/2020–Present | 13 | |
| Director | 27/07/2020–19/10/2022 | 102 | |
| Director | 27/07/2020–19/10/2022 | 54 | |
| Director | 19/10/2022–Present | 9 | |
| Director | 20/08/2018–27/07/2020 | 8 | |
| Director | 02/08/2018–21/08/2018 | 5 | |
| Director | 19/10/2022–Present | 4 | |
| Director | 19/10/2022–Present | 0 | |
| Director | 27/07/2020–06/09/2022 | 3 |
Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 27/07/2020–Present | 0 | |
| 02/08/2018–27/07/2020 | 8 | |
| 02/08/2018–21/08/2018 | 5 |
Every document on the Companies House record, newest first.
Confirmation statement made on 2025-08-01 with updates
Change of details for Avantis Holdco Inc as a person with significant control on 2024-10-22
Registered office address changed from Derwen House Court Road Bridgend CF31 1BN Wales to 5th Floor Southgate House Wood Street Cardiff CF10 1EW on 2025-03-26
Registration of charge 114961880005, created on 2025-03-07
Full accounts made up to 2024-03-31
Confirmation statement made on 2024-08-01 with no updates
Full accounts made up to 2023-03-31
Confirmation statement made on 2023-08-01 with no updates
Second filing for the appointment of Mr Christopher Mark David as a director
Accounts for a small company made up to 2022-03-31
Resolutions
Memorandum and Articles of Association
Showing 12 of 54 filings
See when the next accounts and confirmation statement are due
A short description of the company, written from its Companies House record.
AVANTIS MARINE LIMITED is a private limited company registered in the United Kingdom, based in 5th Floor Southgate House, Wood Street, Cardiff CF10 1EW. Companies House classifies its business as Management consultancy activities other than financial management, one of 2 SIC classifications on its record. It has been on the register for 8 years 1 month.
The register currently records it as active. Its 2024 accounts report net assets of £12.21M and 43 employees. Its accounts are past the filing deadline shown on the registry record.
Answered from this company's own registry record and filed figures.
Companies House records AVANTIS MARINE LIMITED under 2 registered business activities: Management consultancy activities other than financial management (70.22/9 - SIC 2007) and Environmental consulting activities (74.90/1 - SIC 2007).
AVANTIS MARINE LIMITED is recorded as active on the Companies House register, and has been on it since 02/08/2018.
The most recent accounts Okredo holds cover 2024 and report net assets of £12.21M, total assets of £20.74M, cash in bank of £1.11M and total liabilities of £8.53M.
The most recent document on the record is dated 12/08/2025: Confirmation statement made on 2025-08-01 with updates, 1 year 1 month ago.
On the current registry record, accounts are due by 31/03/2026, which has passed.
Companies House lists 9 officers (4 currently in post) and 3 people with significant control (1 current).