£356k
−16%vs Mar 2024Active01555174Private limited companySaffron Walden
COTLEIGH ENGINEERING CO. LIMITED
Significant control: Janet Markham (25–50%), Nicholas Roger Markham (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Architectural activities (SIC 71111). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
COTLEIGH ENGINEERING CO. LIMITED is an active private limited company (company number 01555174) incorporated on 7 April 1981, registered in Saffron Walden. Its registered activity is architectural activities (SIC 71111). Latest small accounts cover the period ending 31 March 2025, showing net assets of £356k and cash of £165k, with 7 employees on average. Net assets fell 16% on the prior period (£423k).
Peer position · net assets
By net assets it sits in the top quarter of 127 comparable companies in Cambridge (median £9,774, upper quartile £80k).
02
Ownership and control
- Mrs Janet Markham
- owns 25–50% of shares
- holds 25–50% of voting rights
- Nicholas Roger Markham
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Roger Markham
- owns 75–100% of shares
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
- 7 April 198145 yrs ago
- Next accounts due
- 31 December 2026in 68 days
- Confirmation statement due
- 21 April 2027in 179 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71111
- Architectural activities
- SIC 78200
- Temporary employment agency activities
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£165k
−34%vs Mar 2024Not reported
7
+17%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £356k | £165k | £254k | £64k | — | — | 7 |
| 31 March 2024 | £423k | £251k | £233k | £51k | — | — | 6 |
Current ratio6.59Current assets ÷ creditors within one year
Cash per employee£24kCash ÷ 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 £356,413 at 31 March 2025
- Current assets at least 1.5× creditors within one yearCurrent ratio 6.59
- Cash at bank of £50,000 or moreCash £164,989
- Incorporated five or more years agoIncorporated 7 April 1981
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
- Confirmation statement duein 179 days
- Next accounts duein 68 days
- Accounts period endNet assets £356k · small accounts
- Accounts period endNet assets £423k · small accounts
- Incorporated
08
Similar companies in Cambridge
- CAMBRIDGE ARCHITECTURAL RESEARCH LIMITEDCambridge · inc. Oct 1986
- R H PARTNERSHIP ARCHITECTS LIMITEDinc. Nov 1986
- G.B. GEOTECHNICS LIMITEDCambridge · inc. Mar 1987
- BROWN CONSULTING SERVICES LIMITEDCambridge · inc. Feb 1989
- CHANGEPLAN LIMITEDCambridgeshire · inc. Feb 1989
- BCR INFINITY ARCHITECTS LIMITEDCambridge · inc. Apr 1989
All companies incorporated on 7 April 1981 · in Apr 1981.
09
Reminders for COTLEIGH ENGINEERING CO. LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.