50,416 active companies in the UK are classified under electrical installation (SIC code 43210). This sector falls under Section F — Construction — of the UK Standard Industrial Classification. The sector has a relatively low 5.8% dissolution rate — 50,416 of 60,107 registrations remain active. The sector is experiencing rapid growth, with 148% of active businesses incorporated since 2020 — indicating strong recent demand. 99% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 8.6 years. 234 large companies, 77 medium-sized firms operate in this sector. London leads with 8% of companies in this sector. Companies in this sector hold 2,920 government contracts valued at £29.5B. The sector's longest-standing company was incorporated in 1900.
Source: Companies House register via UVAGATRON, September 2026
A rapidly growing sector with 148% of active companies formed since 2020.
The electrical installation sector has a <Link href="/glossary/company-dissolution">5.8% dissolution rate</Link>. The average active company in this sector is 8.6 years old. Geographic concentration: 8% in LONDON.
Companies in the electrical installation sector have been awarded 2,920 government contracts worth £29516.1M in total.
There are 50,416 active companies classified under SIC code 43210 (Electrical installation) in the UK, out of 60,107 total registered.
SIC code 43210 stands for "Electrical installation". It belongs to Section F — Construction of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (4,023), GLASGOW (735), BIRMINGHAM (598).
The average active electrical installation company in the UK is 8.6 years old, with the oldest registration dating back to 1900.
Our database contains 297,309 data signals across 11 categories for active electrical installation companies. The largest category is Governance with 156,007 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.