There are 1,491 active companies in the water collection, treatment and supply sector in the UK (SIC code 36000). This sector falls under Section E — Water supply; sewerage, waste management — of the UK Standard Industrial Classification. The sector has a relatively low 11.5% dissolution rate — 1,491 of 1,821 registrations remain active. The sector is experiencing rapid growth, with 129.7% of active businesses incorporated since 2020 — indicating strong recent demand. 91% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 11.8 years. 74 large companies, 4 medium-sized firms operate in this sector. London leads with 15% of companies in this sector. Companies in this sector hold 470 government contracts valued at £4.0B. The sector's longest-standing company was incorporated in 1866.
Source: Companies House register via UVAGATRON, October 2026
A rapidly growing sector with 129.7% of active companies formed since 2020.
The water collection, treatment and supply sector has a <Link href="/glossary/company-dissolution">11.5% dissolution rate</Link>. The average active company in this sector is 11.8 years old. Geographic concentration: 15% in LONDON.
Companies in the water collection, treatment and supply sector have been awarded 470 government contracts worth £3973.2M in total.
There are 1,491 active companies classified under SIC code 36000 (Water collection, treatment and supply) in the UK, out of 1,821 total registered.
SIC code 36000 stands for "Water collection, treatment and supply". It belongs to Section E — Water supply; sewerage, waste management of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (217), MANCHESTER (30), GLASGOW (30).
The average active water collection, treatment and supply company in the UK is 11.8 years old, with the oldest registration dating back to 1866.
Our database contains 17,469 data signals across 12 categories for active water collection, treatment and supply companies. The largest category is Governance with 6,537 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.