Construction of water projects Companies in the UK

SIC 42910Construction|155.3% formed since 2020|Data updated 17 Apr 2026
955
Active

955 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 is experiencing rapid growth, with 155.3% of active businesses incorporated since 2020 — indicating strong recent demand. 88% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 9.9 years. London leads with 11% of companies in this sector. Companies in this sector hold 152 government contracts valued at £178.1M. The sector's longest-standing company was incorporated in 1906.

Source: Companies House register via UVAGATRON, April 2026

955
Active Companies
F
SIC Section
1906
Oldest Company
155.3%
Growth (2020s)
9.9 yr
Avg Company Age

A rapidly growing sector with 155.3% of active companies formed since 2020.

Incorporation by Decade
15%
30%
47%
Pre-1990: 34
1990s: 47
2000s: 163
2010s: 331
2020s: 514

Data Signals

Governance
3,0585 src
Financial
1,9989 src
Compliance
6698 src
Risk
4687 src
growth
1592 src
Trade
1421 src
operational
631 src
ESG
445 src
innovation
152 src
quality
22 src

Sector Overview

The average active company in this sector is 9.9 years old. Geographic concentration: 11% in LONDON.

9.9 yrs
Avg company age

Company Size Breakdown

Small: 19 (44%)Medium: 1 (2%)Large: 23 (53%)

Government Activity

Companies in the construction of water projects sector have been awarded 152 government contracts worth £178.1M in total.

Frequently Asked Questions

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

There are 955 active companies classified under SIC code 42910 (Construction of water projects) in the UK, out of 1,089 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 9.9 years old, with the oldest registration dating back to 1906.

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

Our database contains 6,618 data signals across 10 categories for active construction of water projects companies. The largest category is Governance with 3,058 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.