Sewerage Companies in the UK

SIC 37000Water supply; sewerage, waste management|189.8% formed since 2020|Data updated 17 Apr 2026
1,311
Active

There are 1,311 active companies in the sewerage sector in the UK (SIC code 37000). This sector falls under Section E — Water supply; sewerage, waste management — of the UK Standard Industrial Classification. The sector is experiencing rapid growth, with 189.8% 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 9.5 years. London leads with 9% of companies in this sector. Companies in this sector hold 106 government contracts valued at £83.4M. The sector's longest-standing company was incorporated in 1912.

Source: Companies House register via UVAGATRON, April 2026

1,311
Active Companies
E
SIC Section
1912
Oldest Company
189.8%
Growth (2020s)
9.5 yr
Avg Company Age

A rapidly growing sector with 189.8% of active companies formed since 2020.

Incorporation by Decade
13%
27%
52%
Pre-1990: 41
1990s: 74
2000s: 192
2010s: 412
2020s: 782

Data Signals

Governance
4,0945 src
Financial
2,3189 src
Compliance
7927 src
Risk
5078 src
operational
1991 src
growth
1082 src
Trade
561 src
ESG
355 src
quality
42 src
innovation
32 src

Sector Overview

The average active company in this sector is 9.5 years old. Geographic concentration: 9% in LONDON.

9.5 yrs
Avg company age

Company Size Breakdown

Small: 11 (33%)Medium: 1 (3%)Large: 21 (64%)

Government Activity

Companies in the sewerage sector have been awarded 106 government contracts worth £83.4M in total.

Frequently Asked Questions

How many sewerage companies are there in the UK?

There are 1,311 active companies classified under SIC code 37000 (Sewerage) in the UK, out of 1,501 total registered.

What is SIC code 37000?

SIC code 37000 stands for "Sewerage". It belongs to Section E — Water supply; sewerage, waste management of the UK Standard Industrial Classification.

Where are most sewerage companies located?

The largest concentrations are in LONDON (118), BOURNEMOUTH (17), BRISTOL (16).

What is the average age of sewerage companies?

The average active sewerage company in the UK is 9.5 years old, with the oldest registration dating back to 1912.

What government data is available for sewerage companies?

Our database contains 8,116 data signals across 10 categories for active sewerage companies. The largest category is Governance with 4,094 signals from 5 government sources.

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Data is updated daily from official UK government sources including Companies House. Information is provided for reference only.