Therma-Mech Ltd

Active08558628 Private limited company

Incorporated: 6 June 2013 (13 years)
Previously known as: Therma Mechanical Limited (until 16 July 2013)
Industry: Plumbing, heat and air-conditioning installation (43220)
Directors: Christopher O'Keeffe
Alexander Sargeant
Paul Lewis
all 5 directors
Owned by: Therma-Mech Developments Limited
Accounts type: Full
Region: South West
Address: Cargo Work
Cumberland Road
Bristol
BS1 6ZU

Website & contact details

Website: thermamech.com

Filing status

Accounts due: 31 March 2027
Last accounts: 30 June 2025
Conf. stmt due: 31 March 2027
Last conf. stmt: 17 March 2026

Charges

Total: 2
Outstanding: 2
Part satisfied: 0
Satisfied: 0

Officers 6 active

Officer details are public data from the Companies House register.

Sargeant, Alexander Joseph

Secretary · Appointed 1 July 2025

O'Keeffe, Christopher

Director · Appointed 14 March 2024

Irish

Born November 1986

Sargeant, Alexander

Director · Appointed 14 March 2024

British

Born July 1987 (39)

Lewis, Paul

Director · Appointed 1 January 2022

British

Born June 1989 (37)

Ascott, Aaron Shaun

Director · Appointed 6 June 2013

British

Born April 1988 (38)

Smart, Robert Paul

Director · Appointed 6 June 2013

British

Born November 1986

Officer history (2 former)

2 April 2026

Resigned Woodcock, Anthony Stuart as Director

6 October 2025

Resigned Hodges, Richard as Secretary

1 July 2025

Appointed Sargeant, Alexander Joseph as Secretary

14 March 2024

Appointed O'Keeffe, Christopher as Director

14 March 2024

Appointed Sargeant, Alexander as Director

14 March 2024

Appointed Woodcock, Anthony Stuart as Director

1 January 2022

Appointed Lewis, Paul as Director

6 June 2013

Appointed Ascott, Aaron Shaun as Director

6 June 2013

Appointed Smart, Robert Paul as Director

6 June 2013

Appointed Hodges, Richard as Secretary

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Therma-Mech Developments Limited

Corporate entity · Notified 22 February 2018

Owns 75–100% of shares

Holds 75–100% of voting rights

Right to appoint and remove directors

Limited By Shares

Former controllers (1)

3 May 2022

Ceased Paul Lewis — Owns 25–50% of shares

Financials

Balance sheet as at 30 June 2025 · full accounts

Net Assets: £4,514,938
Cash: £2,592,854
Turnover: £24,332,858
Profit Before Tax: £4,517,394
Employees: 35

Debt Ratio: 57%
Current Ratio: 1.7x
Profit Margin: 19%
Return on Equity: 76%

Trend

Turnover

Balance sheet detail

	2025	2024	2023	2021	2020	2019
Fixed Assets	£563,942	£771,730	£369,869	£174,764
Current Assets	£10,036,151	£7,046,917	£8,773,641	£4,618,264	£3,036,601	£2,311,093
Debtors				£2,253,807	£1,247,484	£1,586,511
Cash	£2,592,854	£1,673,786	£5,133,215	£2,364,457	£1,789,117	£724,582
Creditors (< 1 year)	£5,873,979	£4,608,856	£2,718,433	£1,765,927	£996,727	£1,006,740
Creditors (> 1 year)	£130,304	£241,782	£339,877	£433,333
Net Current Assets	£4,162,172	£2,438,061	£6,055,208	£2,852,337	£2,039,874	£1,304,353
Net Assets	£4,514,938	£2,846,109	£6,050,100	£2,565,229	£2,264,396	£1,471,625
Shareholder Funds	£4,514,938	£2,846,109	£6,050,100	£2,565,229	£2,264,396	£1,471,625

Turnover	£24,332,858	£19,854,607	£16,578,033
Cost of Sales	£17,401,459	£13,567,298	£11,626,026
Gross Profit	£6,931,399	£6,287,309	£4,952,007
Admin Expenses	£2,604,356	£2,223,059	£1,592,591
Staff Costs	£2,553,896	£2,189,799	£1,256,112
Operating Profit	£4,514,190	£4,064,250	£3,359,416
Profit Before Tax	£4,517,394	£4,076,965	£3,365,718
Tax	£1,081,985	£976,588	£661,622
Profit for Period	£3,435,409	£3,100,377	£2,704,096

Filings 66

Date	Description	Made Up To
11 May 2026	Cancellation of shares
11 May 2026	Purchase of own shares
8 April 2026	Termination of appointment of a director
25 March 2026	Confirmation statement with updates	17 March 2026
5 February 2026	Full accounts	30 June 2025