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Source: every figure comes from Companies House records and the accounts companies file there. How the figures are produced.

Construction companies in the UK ranked by number of employees

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 11,775 companies that qualified.

Companies qualified
11,775 of 668,925
Ranked first
RIDDINGTONS CIS & PAYROLL SOLUTIONS UK LTD
Average employees of no. 1
2,680
Data as of

Summary

Of the 668,925 construction companies in the UK that we checked, 11,775 were active, had recent accounts and reported average employees of 10 or more. RIDDINGTONS CIS & PAYROLL SOLUTIONS UK LTD (opens in a new tab) ranks first with 2,680 average employees in its latest accounts.

  • Median company age: 27 years
  • Incorporated before 2010: 40 companies
  • Share of the listed companies' combined average employees held by the top three: 22.1% of 23,138

The ranking

Construction companies in the UK ranked by number of employees: 50 companies in rank order, with each company's number, latest and previous average employees, change, latest accounts date and age.
Rank Company Average employees Latest accounts Age (yrs)
Previous year Latest year Change Change %
1 RIDDINGTONS CIS & PAYROLL SOLUTIONS UK LTD (opens in a new tab)10179530 Registered in Swanley Village 2,5572023 2,6802024 +123 +4.8% 8
2 FP MCCANN LIMITED (opens in a new tab)NI013563 Registered in Magherafelt, 1,6512023 1,6732024 +22 +1.3% 45
3 FENNIES DAY NURSERIES LIMITED (opens in a new tab)05088188 Registered in Epsom 7422023 7622024 +20 +2.7% 21
4 VIA EAST MIDLANDS LIMITED (opens in a new tab)09903246 Registered in Bilsthorpe – 7242025 – – 9
5 TOTALLY LOCAL COMPANY LIMITED (opens in a new tab)05844684 Registered in Stockport 7412024 7002025 -41 -5.5% 18
6 WHP TELECOMS LIMITED (opens in a new tab)03601208 Registered in Warrington 5642023 6602024 +96 +17.0% 26
7 SILKSTONE FINANCE LIMITED (opens in a new tab)02739318 Registered in London 5242023 6092024 +85 +16.2% 32
8 P.N.DALY LIMITED (opens in a new tab)00871763 Registered in Rochdale 6252023 5812024 -44 -7.0% 59
9 LUDDON CONSTRUCTION LIMITED (opens in a new tab)SC057943 Registered in Glasgow 5152023 5542024 +39 +7.6% 49
10 SMITH'S (GLOUCESTER) LIMITED (opens in a new tab)04004654 Registered in Gloucester 5382023 4902024 -48 -8.9% 24
11 JONES BROS. RUTHIN (CIVIL ENGINEERING) CO. LIMITED (opens in a new tab)00983459 Registered in Ruthin 4562024 4792025 +23 +5.0% 54
12 OPTIMA CONTRACTING LIMITED (opens in a new tab)01886477 Registered in High Wycombe 4552024 4722025 +17 +3.7% 40
13 SWARCO UK & IRELAND LTD (opens in a new tab)01490333 Registered in Basingstoke 4722023 4702024 -2 -0.4% 44
14 MOLSON GROUP LTD (opens in a new tab)06378350 Registered in Bristol 4542023 4702024 +16 +3.5% 17
15 TOUGH CONSTRUCTION LIMITED (opens in a new tab)SC055889 Registered in Glasgow 5132023 4582024 -55 -10.7% 50
16 RHODAR INDUSTRIAL SERVICES LIMITED (opens in a new tab)06426331 Registered in Leeds 4062023 4462024 +40 +9.9% 17
17 TGW LIMITED (opens in a new tab)06000337 Registered in Market Harborough 4412023 4382024 -3 -0.7% 18
18 GEORGE LESLIE LIMITED (opens in a new tab)SC251886 Registered in Glasgow 3302024 4302025 +100 +30.3% 21
19 PHOENIX ME LIMITED (opens in a new tab)00255476 Registered in London 3732023 4202024 +47 +12.6% 93
20 MAMMOET (UK) LIMITED (opens in a new tab)02486925 Registered in Wallsend 4222023 4112024 -11 -2.6% 35
21 G & A BARNIE GROUP LIMITED (opens in a new tab)SC265415 3402023 3862024 +46 +13.5% 21
22 MCALEER & RUSHE CONTRACTS UK LIMITED (opens in a new tab)07512356 Registered in London 3582023 3842024 +26 +7.3% 14
23 BREHENY GROUP LIMITED (opens in a new tab)04347292 Registered in Ipswich 3602024 3602025 +0 +0.0% 23
24 CHAMPION GROUNDWORKS LIMITED (opens in a new tab)08209199 Registered in Liskeard 3452023 3582024 +13 +3.8% 12
25 CENTURA GROUP LIMITED (opens in a new tab)05676721 Registered in London 3082023 3552024 +47 +15.3% 19
26 MAP GROUP (UK) LIMITED (opens in a new tab)02853596 Registered in Stockton-On-Tees 3892023 3542024 -35 -9.0% 31
27 M J CHURCH (PLANT) LIMITED (opens in a new tab)01856955 Registered in Chippenham 3282023 3512024 +23 +7.0% 40
28 FRED CHAMPION GROUNDWORKS LIMITED (opens in a new tab)03200045 Registered in Liskeard 3392023 3482024 +9 +2.7% 28
29 KILNBRIDGE CONSTRUCTION SERVICES LTD. (opens in a new tab)02708682 Registered in London 3532023 3432024 -10 -2.8% 32
30 CONCRETE REPAIRS LIMITED (opens in a new tab)00781062 Registered in London 3002023 3362024 +36 +12.0% 61
31 OPENVIEW SECURITY SOLUTIONS LIMITED (opens in a new tab)03376202 Registered in Essex 3372024 3282025 -9 -2.7% 27
32 WYBOSTON LAKES LIMITED (opens in a new tab)01122944 Registered in Wyboston 3202023 3232024 +3 +0.9% 51
33 BETHELL GROUP HOLDINGS LTD (opens in a new tab)07143062 Registered in Manchester 3182023 3182024 +0 +0.0% 15
34 BREHENY CIVIL ENGINEERING LIMITED (opens in a new tab)00753976 Registered in Needham Market 3232024 3112025 -12 -3.7% 62
35 CAPPAGH BROWNE UTILITIES LIMITED (opens in a new tab)09293085 Registered in Aspley 2502024 3062025 +56 +22.4% 10
36 HIGGINS PARTNERSHIPS 1961 PLC (opens in a new tab)00684617 Registered in Essex 3282023 3012024 -27 -8.2% 64
37 VERTEX SERVICES GROUP LIMITED (opens in a new tab)02522345 Registered in Swanley 2592023 3002024 +41 +15.8% 34
38 GLENCAR CONSTRUCTION LTD (opens in a new tab)09640283 Registered in St Albans 2702023 2912024 +21 +7.8% 9
39 ROBERT HEATH HEATING LIMITED (opens in a new tab)01773699 Registered in New Malden 2552023 2842024 +29 +11.4% 41
40 BRANDWELLS CONSTRUCTION COMPANY LIMITED (opens in a new tab)01092127 Registered in St George 3222023 2812024 -41 -12.7% 52
41 PICKERINGS HIRE LIMITED (opens in a new tab)00950139 Registered in Swadlincote 2652023 2792024 +14 +5.3% 56
42 A&M ENERGY GROUP LIMITED (opens in a new tab)09586545 Registered in St. Helens 2412023 2782024 +37 +15.4% 9
43 J MCCANN & CO LIMITED (opens in a new tab)08326109 Registered in Chilwell 2452023 2702024 +25 +10.2% 12
44 ABCA SYSTEMS LIMITED (opens in a new tab)06294877 Registered in Newcastle Upon Tyne 2332023 2632024 +30 +12.9% 17
45 BRIDGES (ELECTRICAL ENGINEERS) LIMITED (opens in a new tab)02837204 Registered in Midsomer Norton 2262023 2552024 +29 +12.8% 31
46 DRAIN LINE SOUTHERN LIMITED (opens in a new tab)04933418 Registered in Brighton 1892024 2552025 +66 +34.9% 21
47 LINDNER PRATER LIMITED (opens in a new tab)05759393 Registered in Reigate 3162023 2512024 -65 -20.6% 19
48 APEX EUROPE LIMITED (opens in a new tab)06692651 Registered in Wirral 2602024 2502025 -10 -3.8% 16
49 UK SAFETY MANAGEMENT LTD (opens in a new tab)08817304 Registered in Castleford 2362023 2482024 +12 +5.1% 11
50 RGE SERVICES LIMITED (opens in a new tab)03305853 Registered in Chigwell 1792023 2442024 +65 +36.3% 28
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 whole UK: every company on the register, wherever its registered office is.
Periods compared
Each company's latest annual accounts. The previous year's figure is shown for context and does not affect the ranking.
Ranking
Ranked by the average number of employees in the latest filed accounts. Companies with fewer than 10 employees are left out.
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:
  • 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 the UK668,925
Not active−104,620
Dormant−34,957
Latest accounts too old or wrongly dated−285,123
Average employees not filed in the latest accounts−56,087
Average employees below 10−176,303
Figure too large or inconsistent to be reliable−60
Qualified for this list11,775