Construction companies in London ranked by employee growth
Ranked from each company's filed annual accounts. This list last changed on and was last checked against the data on . Showing the top 50 of 439 companies that qualified.
- Companies qualified
- 439 of 86,409
- Ranked first
- SILKSTONE FINANCE LIMITED
- Top headcount increase
- +85 employees
- Data as of
Summary
439 construction companies with a registered office in London grew their average employees between their latest two annual accounts and met the rules for this list.
SILKSTONE FINANCE LIMITED (opens in a new tab) ranks first, with average employees rising from 524 to 609 (+16.2%).
16 of the 50 listed companies at least doubled their average employees. The median listed company was incorporated 10 years ago.
Top 10: before and after
- Rank 1 SILKSTONE FINANCE LIMITED (opens in a new tab) 524 (2023) to 609 (2024) +16.2%
- Rank 2 POLYTECK BUILDING SERVICES LIMITED (opens in a new tab) 116 (2023) to 166 (2024) +43.1%
- Rank 3 CENTURA GROUP LIMITED (opens in a new tab) 308 (2023) to 355 (2024) +15.3%
- Rank 4 PHOENIX ME LIMITED (opens in a new tab) 373 (2023) to 420 (2024) +12.6%
- Rank 5 ABSOLUTE HEALTHCARE NORTH LIMITED (opens in a new tab) 96 (2023) to 140 (2024) +45.8%
- Rank 6 CONCRETE REPAIRS LIMITED (opens in a new tab) 300 (2023) to 336 (2024) +12.0%
- Rank 7 STRUCTURETONE LIMITED (opens in a new tab) 98 (2023) to 133 (2024) +35.7%
- Rank 8 AB SOLAR CONSULTING LTD (opens in a new tab) 21 (2023) to 54 (2024) +157.1%
- Rank 9 FAIR HEAT LIMITED (opens in a new tab) 36 (2023) to 68 (2024) +88.9%
- Rank 10 MASTER MAINTENANCE GROUP LTD (opens in a new tab) 13 (2024) to 44 (2025) +238.5%
The ranking
Download CSV of this ranking
50 rows, the same as the table. “–” means the figure was not filed.
How this list was made
- Industry
-
Companies with any of these SIC codes on their Companies House record:
- 41100 – Development of building projects
- 41201 – Construction of commercial buildings
- 41202 – Construction of domestic buildings
- 42110 – Construction of roads and motorways
- 42120 – Construction of railways and underground railways
- 42130 – Construction of bridges and tunnels
- 42210 – Construction of utility projects for fluids
- 42220 – Construction of utility projects for electricity and telecommunications
- 42910 – Construction of water projects
- 42990 – Construction of other civil engineering projects
- 43110 – Demolition
- 43120 – Site preparation
- 43130 – Test drilling and boring
- 43210 – Electrical installation
- 43220 – Plumbing, heat and air-conditioning installation
- 43290 – Other construction installation
- 43310 – Plastering
- 43320 – Joinery installation
- 43330 – Floor and wall covering
- 43341 – Painting
- 43342 – Glazing
- 43390 – Other building completion and finishing
- 43910 – Roofing activities
- 43999 – Other specialised construction activities
- Location
- The post town of the registered office address is London.
- Periods compared
- Each company's latest annual accounts against its accounts for the year before. Companies whose two latest accounts are not for consecutive years are left out.
- Ranking
- Ranked by the increase in average employees between the latest two consecutive annual accounts, then by percentage increase. Companies must have started with at least 5 average employees.
- Exclusions
-
Companies that are dissolved, in liquidation, in administration or proposed to be struck off; dormant companies; and companies whose latest accounts end more than 21 months before the newest accounts in the data (or are dated after it).
Figures that cannot be right, which are most likely filing errors, are also left out:
- headcount more than 10 times the year before
- an employee number identical to the net assets figure, or above 100,000
- more employees than the company's accounts category allows (micro: 50, small: 250, with a margin)
- less than £5,000 of turnover per employee, or a round number of thousands with no turnover to check it against
- Companies checked
-
Companies with a matching SIC code in London86,409Not active−15,201Dormant−5,175Latest accounts too old or wrongly dated−41,141Figure missing for one of the two years−9,777Starting figure below the minimum−13,646No increase−1,024Figure too large or inconsistent to be reliable−6Qualified for this list439