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  1. Companies
  2. Civil engineering
  3. Swansea

Civil engineering · Swansea

Civil engineering in Swansea

71 active civil engineering contractors registered in Swansea, West Glamorgan, with the date each one's next accounts are due at Companies House.

CompanySinceAccounts due
A J Platinum Groundworks Ltd202515 Apr 2027 (in 184 days)
Ad Technique Ltd202130 Jun 2027 (in 260 days)
Agc Engineering Services Ltd202510 Jul 2027 (in 270 days)
Ajsl Engineering Limited201731 Mar 2027 (in 169 days)
Akrivia Engineering Ltd201630 Apr 2027 (in 199 days)
Aquasol Water Systems Ltd201730 Jun 2027 (in 260 days)
Atr Construction Ltd202130 Dec 2026 (in 78 days)
Avarix Highways Engineering Limited202530 Jun 2027 (in 260 days)
Avarix Limited20255 Mar 2027 (in 143 days)
B.E.A. Jones Ltd200331 Dec 2026 (in 79 days)
Beacons Electrical Engineering Ltd201631 Jan 2027 (in 110 days)
Beauden B Rail Ltd202330 Nov 2026 (in 48 days)
Benn Engineering Ltd201931 Dec 2026 (in 79 days)
Bisp Civil Engineering Ltd202030 Nov 2026 (in 48 days)
C C M Wields Ltd202331 Aug 2027 (in 322 days)
CB3 Consult Limited201131 Jul 2027 (in 291 days)
D & M Carpentry and Construction Limited202629 Jun 2028 (in 625 days)
Dag Construction Limited201030 Nov 2026 (in 48 days)
Dean & Thomas Limited200331 Jan 2027 (in 110 days)
DK Network Engineering Limited202331 Oct 2026 (in 18 days)
Donal Hayes & Sons (Building and Civil Engineering) Limited199331 Dec 2026 (in 79 days)
Donal Hayes Construction Limited200631 Dec 2026 (in 79 days)
Drakelow Battery Ltd202231 Dec 2026 (in 79 days)
Esos Services Ltd202131 Dec 2026 (in 79 days)
G W Richards & Sons Contractors Limited200631 Mar 2027 (in 169 days)
G.M. Williams Plant Limited201127 Mar 2027 (in 165 days)
Ga Power Ltd2025
Gwrhyd Services Ltd202031 Mar 2027 (in 169 days)
Hargan Group Limited201931 Jul 2027 (in 291 days)
HGR Carpentry Limited201331 Dec 2026 (in 79 days)
Hoptec Limited200831 Aug 2027 (in 322 days)
Howells Consulting Engineering Limited200531 Jul 2027 (in 291 days)
Hudd Utilities Limited202431 Mar 2027 (in 169 days)
I-Engineer (UK) Limited200731 Dec 2026 (in 79 days)
JCR Rail Limited202230 Sep 2027 (in 352 days)
JD Telecommunication Ltd202620 Oct 2027 (in 372 days)
JDP Civils Ltd202620 Feb 2028 (in 495 days)
JLD Engineering and Survey Ltd20258 Jun 2027 (in 238 days)
Kalite Holdings Limited201131 Dec 2026 (in 79 days)
Kanor Ltd202530 Apr 2027 (in 199 days)
Ken McInnes Limited200331 Dec 2026 (in 79 days)
KSG Civils Limited202431 Aug 2027 (in 322 days)
Lakeside Flood Solutions Ltd201631 Mar 2027 (in 169 days)
Lee.T73 Rail Ltd202615 Jun 2028 (in 611 days)
Lewis Tarmac Ltd202628 Feb 2028 (in 503 days)
Liberty Structural Engineering Limited201831 Mar 2027 (in 169 days)
M W Williams & Son Contracting Limited20262 Dec 2027 (in 415 days)
MGS Engineering (South Wales) Limited201431 Jul 2027 (in 291 days)
Millberry Associates Limited202331 Aug 2027 (in 322 days)
Miramar Developments Limited199431 May 2027 (in 230 days)
Page 1 of 2

Civil engineering contractors in Swansea in numbers

From the Companies House register and filed balance sheets, as of 1 Oct 2026. The longest-established is Donal Hayes & Sons (Building and Civil Engineering) Limited, incorporated in 1993.

Companies
71
Active, small or micro accounts
New in the last 12 months
13
18% of the total
Typical net assets
£18K
Median of 47 latest balance sheets
Typical size
1 employee
Median average headcount
Accounts due in the next 3 months
20
Companies House deadlines

Still trading, by year incorporated

Active civil engineering contractors in Swansea by year of incorporation0510152017: 2 incorporated (still active)220172018: 1 incorporated (still active)120182019: 4 incorporated (still active)420192020: 4 incorporated (still active)420202021: 3 incorporated (still active)320212022: 2 incorporated (still active)220222023: 4 incorporated (still active)420232024: 3 incorporated (still active)320242025: 9 incorporated (still active)920252026: 11 incorporated (still active)112026
Active civil engineering contractors in Swansea by year of incorporation0510152017: 2 incorporated (still active)2'172018: 1 incorporated (still active)1'182019: 4 incorporated (still active)4'192020: 4 incorporated (still active)4'202021: 3 incorporated (still active)3'212022: 2 incorporated (still active)2'222023: 4 incorporated (still active)4'232024: 3 incorporated (still active)3'242025: 9 incorporated (still active)9'252026: 11 incorporated (still active)11'26

Companies still active today, by the year they were incorporated; 2026 is the year so far.

About civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Other trades in Swansea

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