Construction of water projects Companies in the UK

SIC 42910Construction|171.6% formed since 2020|Data updated 19 Oct 2026
923
Active

923 active UK companies are classified under construction of water projects (SIC code 42910), a specialised sector. This sector falls under Section F — Construction — of the UK Standard Industrial Classification. The sector has a relatively low 12% dissolution rate — 923 of 1,156 registrations remain active. The sector is experiencing rapid growth, with 171.6% of active businesses incorporated since 2020 — indicating strong recent demand. 98% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 10.3 years. London leads with 12% of companies in this sector. Companies in this sector hold 159 government contracts valued at £179.5M. The sector's longest-standing company was incorporated in 1906.

Source: Companies House register via UVAGATRON, October 2026

923
Active Companies
F
SIC Section
1906
Oldest Company
171.6%
Growth (2020s)
10.3 yr
Avg Company Age

A rapidly growing sector with 171.6% of active companies formed since 2020.

Incorporation by Decade
14%
29%
50%
Pre-1990: 34
1990s: 47
2000s: 160
2010s: 334
2020s: 573

Data Signals

Governance
3,9734 src
Financial
3,4849 src
Risk
5766 src
Compliance
44210 src
Trade
2372 src
growth
1702 src
operational
651 src
ESG
455 src
innovation
332 src
quality
72 src

Sector Overview

The construction of water projects sector has a <Link href="/glossary/company-dissolution">12% dissolution rate</Link>. The average active company in this sector is 10.3 years old. Geographic concentration: 12% in LONDON.

12%
Dissolution rate
10.3 yrs
Avg company age

Company Size Breakdown

Small: 17 (36%)Medium: 1 (2%)Large: 29 (62%)

Government Activity

Companies in the construction of water projects sector have been awarded 159 government contracts worth £179.5M in total.

Frequently Asked Questions

How many construction of water projects companies are there in the UK?

There are 923 active companies classified under SIC code 42910 (Construction of water projects) in the UK, out of 1,156 total registered.

What is SIC code 42910?

SIC code 42910 stands for "Construction of water projects". It belongs to Section F — Construction of the UK Standard Industrial Classification.

Where are most construction of water projects companies located?

The largest concentrations are in LONDON (108), BRISTOL (13), PRESTON (13).

What is the average age of construction of water projects companies?

The average active construction of water projects company in the UK is 10.3 years old, with the oldest registration dating back to 1906.

What government data is available for construction of water projects companies?

Our database contains 9,032 data signals across 10 categories for active construction of water projects companies. The largest category is Governance with 3,973 signals from 4 government sources.

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