£2.51m
−9%vs Feb 2025Active04128697Private limited companyPortsmouth
A.D. MECHANICAL SERVICES LIMITED
Significant control: Tilley Investments Limited (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does A.D. Mechanical Services Limited sell?
Registered activity: Other specialised construction activities n.e.c. (SIC 43999). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
A.D. MECHANICAL SERVICES LIMITED is an active private limited company (company number 04128697) incorporated on 20 December 2000, registered in Portsmouth. Its registered activity is other specialised construction activities n.e.c. (SIC 43999). Latest small accounts cover the period ending 28 February 2026, showing net assets of £2.51m and cash of £465k, with 40 employees on average. Net assets fell 9% on the prior period (£2.75m).
Peer position · net assets
By net assets it sits in the top quarter of 568 comparable companies in Portsmouth (median £6,305, upper quartile £45k).
02
Ownership and control
- Tilley Investments Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Tilley Holdings Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 20 December 200025 yrs ago
- Next accounts due
- 28 November 2027in 400 days
- Confirmation statement due
- 3 January 2027in 71 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43999
- Other specialised construction activities n.e.c.
- SIC 84250
- Fire service activities
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£465k
−44%vs Feb 2025Not reported
40
−2%vs Feb 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 28 February 2026 | £2.51m | £465k | — | £1.28m | — | — | 40 |
| 28 February 2025 | £2.75m | £826k | — | £854k | — | — | 41 |
Current ratio2.91Current assets ÷ creditors within one year
Cash per employee£12kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £2,509,647 at 28 February 2026
- Current assets at least 1.5× creditors within one yearCurrent ratio 2.91
- Cash at bank of £50,000 or moreCash £464,652
- Incorporated five or more years agoIncorporated 20 December 2000
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 400 days
- Confirmation statement duein 71 days
- Accounts period endNet assets £2.51m · small accounts
- Accounts period endNet assets £2.75m · small accounts
- Incorporated
08
Similar companies in Portsmouth
- PRIDEWATCH EVENTS LTDChichester · inc. Dec 2000
- BWT-SOUTHERN LIMITEDFareham · inc. Dec 2000
- BREEZE CONSTRUCTION LIMITEDHampshire · inc. Sept 2000
- THOMAS NEWELL LIMITEDChichester · inc. May 2001
- WAKEHAM-GILBERT LIMITEDBognor Regis · inc. Jun 2000
- SUMO SERVICES LIMITEDHavant · inc. Aug 2001
All companies incorporated on 20 December 2000 · in Dec 2000.
09
Reminders for A.D. MECHANICAL SERVICES LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.