27 active UK companies are classified under manufacture of steam generators, except central heating hot water boilers (SIC code 25300), a specialised sector. This sector falls under Section C — Manufacturing — of the UK Standard Industrial Classification. The sector is experiencing rapid growth, with 316.7% of active businesses incorporated since 2020 — indicating strong recent demand. 93% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 13.2 years. London leads with 26% of companies in this sector.
Source: Companies House register via UVAGATRON, April 2026
A rapidly growing sector with 316.7% of active companies formed since 2020.
The average active company in this sector is 13.2 years old. Geographic concentration: 26% in LONDON.
Companies in the manufacture of steam generators, except central heating hot water boilers sector have been awarded 4 government contracts worth £31.1M in total.
There are 27 active companies classified under SIC code 25300 (Manufacture of steam generators, except central heating hot water boilers) in the UK, out of 33 total registered.
SIC code 25300 stands for "Manufacture of steam generators, except central heating hot water boilers". It belongs to Section C — Manufacturing of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (7).
The average active manufacture of steam generators, except central heating hot water boilers company in the UK is 13.2 years old, with the oldest registration dating back to 1959.
Our database contains 412 data signals across 10 categories for active manufacture of steam generators, except central heating hot water boilers companies. The largest category is Financial with 147 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.