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Data / UK companies / Site preparation / Wales

Site preparation companies in Wales: 286 live companies

Updated November 7, 2026. Source: Companies House Free Company Data Product.

286 live companies in Wales list SIC code 43120, site preparation, in the Companies House snapshot dated 1 November 2026. 30 were incorporated in the last 12 months and 47 have an accounts due date that had passed.

The request: Every company in Wales with SIC code 43120, site preparation, incorporated since 2025, with registered address and accounts due dates. $10 of work on sign-up, no card.

Get site preparation companies in WalesWatch new site preparation incorporations in Wales

SpecStream is the live web data engine for teams and agents. It reads the Companies House free company data every month, and this page is that reading. Ask for the companies you track by industry, place or incorporation date and each new company, strike off proposal or overdue accounts date arrives in your sheet, CRM, Slack or agent.

  • 286Live companies
  • 30Incorporated in the last 12 months
  • 47Accounts overdue
  • 51Strike off proposed

Incorporations per year

Companies incorporated in each year that are still live in the 1 November 2026 snapshot. Companies that closed earlier are not counted, so older years read low.

Year incorporatedLive companies
202212
202317
202418
202520
2026 so far27

Towns

TownLive companies
Cardiff52
Swansea21
Newport16
Wrexham15
Bridgend10
Llanelli7
Blackwood6
Caerphilly5
Holyhead5
St Asaph5
Carmarthen4
Merthyr Tydfil4
Monmouth4
Narberth4
Pontyclun4
Pontypridd4
Aberdare3
Ammanford3
Bargoed3
Brecon3
Chepstow3
Corwen3
Llanfairpwllgwyngyll3
Porth3
Prestatyn3

Newest site preparation companies in Wales

Newest first. Each row links to the Companies House record.

CompanyNumberIncorporatedTownAccounts dueStatusSource
M&B Civils Ltd1753133920 October 2026Swansea20 July 2028Activefind-and-update.company-information.service.gov.uk
A Jones Haulage & Plant Ltd1751447212 October 2026Llandeilo12 July 2028Activefind-and-update.company-information.service.gov.uk
Stadeyn Civils & Groundworks Ltd1745724214 September 2026Treharris14 June 2028Activefind-and-update.company-information.service.gov.uk
Rbbuildingsolutions Ltd174329042 September 2026Blaenllechau2 June 2028Activefind-and-update.company-information.service.gov.uk
Gwasanaethu Adeiladu Cyflawn CYF1742410227 August 2026Holyhead27 May 2028Activefind-and-update.company-information.service.gov.uk
Mdgroundworks Ltd1740913419 August 2026Merthyr Tudful19 May 2028Activefind-and-update.company-information.service.gov.uk
E&D Contractors Ltd1735732423 July 2026Caerphilly23 April 2028Activefind-and-update.company-information.service.gov.uk
Preston and Sons Limited1727287210 June 2026Newport10 March 2028Strike off proposedfind-and-update.company-information.service.gov.uk
NW Groundworks Limited172698169 June 2026Abergele9 March 2028Activefind-and-update.company-information.service.gov.uk
JHL Civils & Surfacing Limited1722300415 May 2026Builth Wells15 February 2028Activefind-and-update.company-information.service.gov.uk
Pro Resurfacing Ltd1721977714 May 2026Llanybydder14 February 2028Activefind-and-update.company-information.service.gov.uk
Trevett Groundwork's Ltd1717276021 April 2026Cardiff21 January 2028Activefind-and-update.company-information.service.gov.uk
Evsenvironmentalservices Ltd1717229721 April 2026Corwen21 January 2028Activefind-and-update.company-information.service.gov.uk
BRT Doorway Diggers Ltd1716678219 April 2026Llanelli19 January 2028Activefind-and-update.company-information.service.gov.uk
ITG Groundworks Ltd1715487213 April 2026Blackwood13 January 2028Activefind-and-update.company-information.service.gov.uk
SJJ Operators Ltd171366954 April 2026Pontypool4 January 2028Activefind-and-update.company-information.service.gov.uk
H Crouch Services Ltd1712067327 March 2026Wrexham27 December 2027Activefind-and-update.company-information.service.gov.uk
M.U.D Civil Engineering Ltd1710621020 March 2026Bridgend20 December 2027Activefind-and-update.company-information.service.gov.uk
Valiant Driveways Ltd1710202218 March 2026St Asaph18 December 2027Activefind-and-update.company-information.service.gov.uk
LT Groundworks and Civil Engineering Ltd1709792517 March 2026New Tredegar17 December 2027Activefind-and-update.company-information.service.gov.uk
Ffos Y Fran Properties Limited1709399216 March 2026Newport16 December 2027Activefind-and-update.company-information.service.gov.uk
G&L Water Services Ltd1708915612 March 2026Llanelli12 December 2027Activefind-and-update.company-information.service.gov.uk
TLH Maintenance Ltd170219299 February 2026Llangammarch Wells9 November 2027Activefind-and-update.company-information.service.gov.uk
Curry & Sons Ltd1700205530 January 2026Cardiff30 October 2027Activefind-and-update.company-information.service.gov.uk
Riph Contracting Services Ltd1697884421 January 2026Bridgend21 October 2027Activefind-and-update.company-information.service.gov.uk
Interstar Building & Utilities Limited1696092613 January 2026Barry13 October 2027Activefind-and-update.company-information.service.gov.uk
Dragon Drone Surveys & Inspections Limited169444015 January 2026Porthmadog5 October 2027Activefind-and-update.company-information.service.gov.uk
Heathman Homes Construction and Groundworks Ltd1691257315 December 2025Caldicot15 September 2027Activefind-and-update.company-information.service.gov.uk
Alpha Park Developments Ltd1684536710 November 2025Prestatyn10 August 2027Activefind-and-update.company-information.service.gov.uk
JM Bowen Plant & Groundworks Ltd168276763 November 2025Pontypool3 August 2027Activefind-and-update.company-information.service.gov.uk
A&M Contracts Ltd1672123316 September 2025Cardiff16 June 2027Activefind-and-update.company-information.service.gov.uk
AWK Site Services Ltd1670975710 September 2025Caerphilly10 June 2027Activefind-and-update.company-information.service.gov.uk
SB Groundworks & Plant Ltd1665292815 August 2025Newport15 May 2027Activefind-and-update.company-information.service.gov.uk
Valiyross Ltd1654961630 June 2025Cardiff31 March 2027Strike off proposedfind-and-update.company-information.service.gov.uk
C&M Groundworks Ltd1654814528 June 2025Llanfairpwllgwyngyll28 March 2027Strike off proposedfind-and-update.company-information.service.gov.uk
Jills West Ltd1654528926 June 2025Cardiff26 March 2027Strike off proposedfind-and-update.company-information.service.gov.uk
MK Ground Services Ltd1654060025 June 2025Cardiff25 March 2027Strike off proposedfind-and-update.company-information.service.gov.uk
Belladig Digger Services Ltd1653704723 June 2025Porth23 March 2027Activefind-and-update.company-information.service.gov.uk
Brevent Group Ltd165051829 June 2025Cardiff9 March 2027Activefind-and-update.company-information.service.gov.uk
Bobby Howells Plant Hire Limited1645993119 May 2025Carmarthen19 February 2027Activefind-and-update.company-information.service.gov.uk
JG Landscapes Ltd164356267 May 2025Llanelli7 February 2027Activefind-and-update.company-information.service.gov.uk
West Wales Ground Screws Ltd1631435013 March 2025Haverfordwest13 December 2026Activefind-and-update.company-information.service.gov.uk
Clarke Ground Maintenance Ltd1626941921 February 2025Abergavenny31 December 2027Activefind-and-update.company-information.service.gov.uk
Daniel Lawrence TM Ltd1625843918 February 2025Cardiff30 November 2027Strike off proposedfind-and-update.company-information.service.gov.uk
South West Groundworks Ltd1618464815 January 2025Llanelli31 October 2027Activefind-and-update.company-information.service.gov.uk
Castell Clyd Ltd1617762411 January 2025Bridgend31 October 2027Activefind-and-update.company-information.service.gov.uk
Avail Construction Services Ltd161672217 January 2025Chepstow7 January 2027Activefind-and-update.company-information.service.gov.uk
ID Proconstruct Ltd1607463912 November 2024Porth31 August 2027Activefind-and-update.company-information.service.gov.uk
R Layman Ltd1596310718 September 2024Bargoed18 September 2026Activefind-and-update.company-information.service.gov.uk
King Groundworks Ltd159389905 September 2024Haverfordwest30 June 2027Activefind-and-update.company-information.service.gov.uk

Contains public sector information licensed under the Open Government Licence v3.0. Counts are of live companies in the Companies House snapshot dated 1 November 2026. The snapshot holds basic company data only: no officers and no persons with significant control. A company is counted under each SIC code it lists, up to four. A region is the part of the UK a postcode area mostly falls in. This page uses Companies House data and is not endorsed by Companies House. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.