£11.19m
+2%vs Mar 2024Active01888295Private limited companyPoole
TRANSMISSION DEVELOPMENTS CO (GB) LIMITED
Significant control: Ian John Osborne (50–75%), Carole Anne Osborne (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Transmission Developments Co (GB) Limited sell?
Registered activity: Machining (SIC 25620). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
TRANSMISSION DEVELOPMENTS CO (GB) LIMITED is an active private limited company (company number 01888295) incorporated on 20 February 1985, registered in Poole. Its registered activity is machining (SIC 25620). Latest medium accounts cover the period ending 31 March 2025, showing net assets of £11.19m and cash of £4.30m, with 84 employees on average. Turnover was £10.90m and profit for the year £374k. Net assets rose 2% on the prior period (£10.98m).
Peer position · net assets
By net assets it sits in the top quarter of 487 comparable companies in Other (median £38k, upper quartile £361k).
02
Ownership and control
- Mr Ian John Osborne
- owns 50–75% of shares
- holds 50–75% of voting rights
- can appoint or remove directors
- Mrs Carole Anne Osborne
- owns 25–50% of shares
- holds 25–50% of voting rights
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 February 198541 yrs ago
- Next accounts due
- 31 December 2026in 64 days
- Confirmation statement due
- 6 March 2027in 129 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 25620
- Machining
- Accounts type
- Medium
- Size band
- MediumCompanies Act thresholds
05
Financials
£4.30m
+7%vs Mar 2024£10.90m
+3%vs Mar 202484
−6%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £11.19m | £4.30m | £2.24m | — | £10.90m | £374k | 84 |
| 31 March 2024 | £10.98m | £4.04m | £2.10m | — | £10.60m | £822k | 89 |
| 31 March 2023 | — | — | — | — | — | — | — |
Net margin3.4%Profit for the year ÷ turnover
Cash per employee£51kCash ÷ 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 £11,194,195 at 31 March 2025
- Cash at bank of £50,000 or moreCash £4,304,100
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 20 February 1985
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 129 days
- Next accounts duein 64 days
- Accounts period endNet assets £11.19m · medium accounts
- Accounts period endNet assets £10.98m · medium accounts
- Accounts period end
- Incorporated
08
Similar companies in the UK
- PEERLESS GAS CONTROLS LIMITEDWhitchurch · inc. Mar 1985
- JACKMARK ENGINEERING LIMITEDStoke On Trent · inc. Dec 1984
- MARIE SPARSHATT LIMITEDAmesbury · inc. May 1985
- KATRON ENGINEERING PRECISION LIMITEDCheltenham · inc. May 1985
- C. AND K. PRECISION ENGINEERS LIMITEDStoke-On-Trent · inc. Nov 1984
- PARAMICS LIMITEDSt. Neots · inc. Oct 1984
All companies incorporated on 20 February 1985 · in Feb 1985.
09
Reminders for TRANSMISSION DEVELOPMENTS CO (GB) LIMITED
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