Annual accounts
Group accounts
31/12/2026Filing deadline
- Next accounts made up to
- 31/03/2026
- Last accounts made up to
- 31/03/2025
Reference data exactly as held at Companies House.
The 4 most recent documents filed at Companies House.
Group of companies' accounts made up to 2025-03-31
Confirmation statement made on 2025-10-28 with updates
Satisfaction of charge 026889730002 in full
Change of details for Mr Patrick Mccart as a person with significant control on 2024-04-01
What Pre-Score will tell you

The two filings Companies House requires every year, and where each one stands against its deadline today.
Group accounts
31/12/2026Filing deadline
Confirms the registry record is up to date
11/11/2026Filing deadline
The latest figures ADVANCED DEMAND SIDE MANAGEMENT LIMITED filed. Okredo holds filed accounts data for 2021–2025; the year-by-year record is on the financials page.
Net Assets
2024: £1.86M
Total Assets
2024: £16.28M
Cash in Bank
2024: £2.65M
Total Liabilities
2024: £14.41M
Employees
2024: 19
Of the 4 measures with an earlier filing to compare against, 4 rose. Total assets moved furthest, up 31.77% on 2024. See the full financial analysis for ADVANCED DEMAND SIDE MANAGEMENT LIMITED.
The full financial record
Four ways through ADVANCED DEMAND SIDE MANAGEMENT LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Headcount as reported to Companies House for 2021–2025.
| Year | Employees | Change |
|---|---|---|
| 2025 | 21 | +2 |
| 2024 | 19 | 0 |
| 2023 | 19 | +1 |
| 2022 | 18 | +1 |
| 2021 | 17 | – |
Reported employee count increased from 17 in 2021 to 21 in 2025. 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 | 19/02/1992–Present | 8 | |
| Director | 13/06/2005–Present | 1 |
Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 06/04/2016–Present | 8 | |
| 10/12/2019–Present | 0 | |
| 25/10/2024–Present | 1 | |
| 10/12/2019–25/10/2024 | 0 |
Every document on the Companies House record, newest first.
Group of companies' accounts made up to 2025-03-31
Confirmation statement made on 2025-10-28 with updates
Satisfaction of charge 026889730002 in full
Change of details for Mr Patrick Mccart as a person with significant control on 2024-04-01
Change of details for Water Forensics Ltd as a person with significant control on 2024-10-25
Accounts for a medium company made up to 2024-03-31
Confirmation statement made on 2024-10-28 with updates
Cessation of Adsm Trustees as a person with significant control on 2024-10-25
Notification of Water Forensics Ltd as a person with significant control on 2024-10-25
Confirmation statement made on 2024-07-17 with updates
Accounts for a medium company made up to 2023-03-31
Registration of charge 026889730002, created on 2024-03-21
Showing 12 of 159 filings
See when the next accounts and confirmation statement are due
A short description of the company, written from its Companies House record.
ADVANCED DEMAND SIDE MANAGEMENT LIMITED is a private limited company registered in the United Kingdom, based in Commercial House 80 High Street, Eton, Windsor, Berkshire SL4 6AF. Companies House classifies its business as Water collection treatment and supply, one of 2 SIC classifications on its record. It has been on the register for 34 years 7 months.
The register currently records it as active. Its 2025 accounts report net assets of £1.98M and 21 employees.
Answered from this company's own registry record and filed figures.
Companies House records ADVANCED DEMAND SIDE MANAGEMENT LIMITED under 2 registered business activities: Water collection treatment and supply (36.00 - SIC 2007) and Other professional scientific and technical activities n.e.c. (74.90/9 - SIC 2007).
ADVANCED DEMAND SIDE MANAGEMENT LIMITED is recorded as active on the Companies House register, and has been on it since 19/02/1992.
The most recent accounts Okredo holds cover 2025 and report net assets of £1.98M, total assets of £21.45M, cash in bank of £6.25M and total liabilities of £19.45M.
The most recent document on the record is dated 10/12/2025: Group of companies' accounts made up to 2025-03-31, 9 months ago.
On the current registry record, accounts are due by 31/12/2026 and the next confirmation statement is due by 11/11/2026.
Companies House lists 2 officers and 4 people with significant control (3 current).