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Data / UK companies / Manufacture of steam generators, except central heating hot water boilers

Manufacture of steam generators, except central heating hot water boilers: 41 live UK companies with SIC code 25300

Updated November 7, 2026. Source: Companies House Free Company Data Product.

41 live UK companies list SIC code 25300, manufacture of steam generators, except central heating hot water boilers, in the Companies House snapshot dated 1 November 2026. 7 of them were incorporated in the last 12 months and 2 have an accounts due date that had passed, and 6 have a proposal to strike them off the register.

The request: Every UK company with SIC code 25300, manufacture of steam generators, except central heating hot water boilers, incorporated since 2025, with registered address, accounts due dates and status. $10 of work on sign-up, no card.

Get every manufacture of steam generators, except central heating hot water boilers companyWatch new manufacture of steam generators, except central heating hot water boilers incorporationsGet companies with overdue accounts

SpecStream is the live web data engine for teams and agents. It reads the Companies House free company data every month, and this page is that reading. Ask for the companies you track by industry, place or incorporation date and each new company, strike off proposal or overdue accounts date arrives in your sheet, CRM, Slack or agent.

  • 41Live companies
  • 7Incorporated in the last 12 months
  • 2Accounts overdue
  • 6Strike off proposed
  • 25300SIC code
  • 1 November 2026Snapshot

Incorporations per year

Companies incorporated in each year that are still live in the 1 November 2026 snapshot. Companies that closed earlier are not counted, so older years read low.

Year incorporatedLive companies
20224
20234
20243
20255
2026 so far7

By region

RegionLive companies
London14
West Midlands7
East Midlands4
South West4
North West3
Scotland3
East of England2
North East2
South East1
Wales1

Towns with the most manufacture of steam generators, except central heating hot water boilers companies

Towns with 100 or more live companies; a link opens the page for this industry in that town.

TownRegionLive companies
LondonLondon10
StaffordWest Midlands2
West MidlandsWest Midlands2
AshingtonNorth East1
BuryNorth West1
Bury St EdmundsEast of England1
CambridgeEast of England1
DarlingtonNorth East1
DaventryEast Midlands1
DerbyEast Midlands1
DunfermlineScotland1
DursleySouth West1
EssexLondon1
GraysLondon1
InverurieScotland1
IvybridgeSouth West1
MansfieldEast Midlands1
RadstockSouth West1
RugbyWest Midlands1
SolihullWest Midlands1
StockportNorth West1
SwanseaWales1
TorringtonSouth West1
UxbridgeLondon1
WalsallWest Midlands1

Newest manufacture of steam generators, except central heating hot water boilers companies

Newest first. Each row links to the Companies House record.

CompanyNumberIncorporatedTownAccounts dueStatusSource
Nuclear Power Ltd175107539 October 2026London9 July 2028Activefind-and-update.company-information.service.gov.uk
JM Boilermakers Limited173284608 July 2026Daventry8 April 2028Activefind-and-update.company-information.service.gov.uk
Doncaster Industrial Boiler Repairs & Refractory Ltd1730177125 June 2026London25 March 2028Activefind-and-update.company-information.service.gov.uk
PE Trade Ltd1729711223 June 2026Grays23 March 2028Activefind-and-update.company-information.service.gov.uk
Talbott Boilers Ltd172041677 May 2026Warrington7 February 2028Activefind-and-update.company-information.service.gov.uk
IQ-Loop Energy Ltd172002665 May 2026Torrington5 February 2028Activefind-and-update.company-information.service.gov.uk
Combustion Specialist Services Ltd1712119627 March 2026Stockport27 December 2027Activefind-and-update.company-information.service.gov.uk
Thermalec Pool & Spa Ltd1681277627 October 2025Ivybridge27 July 2027Activefind-and-update.company-information.service.gov.uk
Jdelgb Limited1672472017 September 2025Ashington17 June 2027Activefind-and-update.company-information.service.gov.uk
DJR Steam Boiler Engineering Ltd164374878 May 2025Rugby8 February 2027Activefind-and-update.company-information.service.gov.uk
Briganti Ocean Systems LtdSC84336731 March 2025Earlston31 December 2026Activefind-and-update.company-information.service.gov.uk
I&S Water Limited1635523931 March 2025London31 December 2026Strike off proposedfind-and-update.company-information.service.gov.uk
Radiant ECO Solutions Ltd1586397429 July 2024Essex30 April 2027Activefind-and-update.company-information.service.gov.uk
Thermalcyclones Ltd1578914019 June 2024London31 March 2027Activefind-and-update.company-information.service.gov.uk
Agri-Ecohealth Ltd.1540300110 January 2024Dursley28 February 2027Activefind-and-update.company-information.service.gov.uk
Quick Weld LtdSC76937715 May 2023Inverurie28 February 2027Activefind-and-update.company-information.service.gov.uk
Blaze (UK) Thermal Technology Co., Ltd1481551219 April 2023West Midlands31 January 2028Activefind-and-update.company-information.service.gov.uk
Shandong Yusentai Import & Export Co., Ltd.1479822013 April 2023London31 January 2027Strike off proposedfind-and-update.company-information.service.gov.uk
Biaco Heating Limited1467154417 February 2023Winchester30 November 2026Strike off proposedfind-and-update.company-information.service.gov.uk
Thermal Engineering International UK Limited1435646414 September 2022London30 June 2027Activefind-and-update.company-information.service.gov.uk
Glasspoint Technology (UK), Ltd1412706724 May 2022London28 February 2027Activefind-and-update.company-information.service.gov.uk
Giannelli Reattori Limited1390943311 February 2022Solihull30 November 2026Activefind-and-update.company-information.service.gov.uk
H2OPE Engineering Services Ltd1384466112 January 2022Bury St Edmunds30 September 2024Strike off proposedfind-and-update.company-information.service.gov.uk
European Heathyards Ltd137310839 November 2021West Midlands31 August 2027Activefind-and-update.company-information.service.gov.uk
Standardkessel Baumgarte Limited1310373230 December 2020Whatton31 December 2027Activefind-and-update.company-information.service.gov.uk

Contains public sector information licensed under the Open Government Licence v3.0. Counts are of live companies in the Companies House snapshot dated 1 November 2026. The snapshot holds basic company data only: no officers and no persons with significant control. A company is counted under each SIC code it lists, up to four. A region is the part of the UK a postcode area mostly falls in. This page uses Companies House data and is not endorsed by Companies House. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.