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Data / UK companies / Wales / Mountain Ash

Companies in Mountain Ash: 518 live UK companies by industry

518 live companies are registered in Mountain Ash, Wales, in the Companies House snapshot dated 1 November 2026. 71 were incorporated in the last 12 months and 44 have an accounts due date that had passed.

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.

  • 518Live companies
  • 71Incorporated in the last 12 months
  • 44Accounts overdue
  • 49Strike off proposed
  • WalesRegion

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
202237
202335
202450
202589
2026 so far59

Biggest industries

A link opens the page for that industry in this town where 100 or more companies list it.

IndustrySIC codeLive companies
Other letting and operating of own or leased real estate6820959
Buying and selling of own real estate6810040
Construction of domestic buildings4120224
Retail sale via mail order houses or via Internet4791021
Take-away food shops and mobile food stands5610320
Electrical installation4321015
Management of real estate on a fee or contract basis6832015
Other education n.e.c.8559013
Activities of other holding companies n.e.c.6420912
Construction of other civil engineering projects n.e.c.4299011
Retail sale in non-specialised stores with food, beverages or tobacco predominating4711011
Construction of commercial buildings4120110
Plastering4331010
Development of building projects411009
Other building completion and finishing433909
Other business support service activities n.e.c.829909
Other human health activities869009
Public houses and bars563028
Information technology consultancy activities620208
Other information technology service activities620908
Construction of railways and underground railways421207
Maintenance and repair of motor vehicles452007
Freight transport by road494107
Real estate agencies683107
Other service activities n.e.c.960907
Plumbing, heat and air-conditioning installation432206
Other construction installation432906
Scaffold erection439916
Other specialised construction activities n.e.c.439996
Retail sale of clothing in specialised stores477106
Business and domestic software development620126
Management consultancy activities other than financial management702296
Other retail sale in non-specialised stores471905
Other telecommunications activities619005
Web portals631205
Renting and operating of Housing Association real estate682015
Other engineering activities711295
Specialised design activities741005
Other professional, scientific and technical activities n.e.c.749095
Manufacture of other plastic products222904

Newest companies in Mountain Ash

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

CompanyNumberIncorporatedAccounts dueStatusSource
Lewis Letting Agents Ltd1754946228 October 202628 July 2028Activefind-and-update.company-information.service.gov.uk
Gotswap Ltd1754152626 October 202626 July 2028Activefind-and-update.company-information.service.gov.uk
Redrock Darts Limited1753850623 October 202623 July 2028Activefind-and-update.company-information.service.gov.uk
Angle Glow Cleaning Limited1753185020 October 202620 July 2028Activefind-and-update.company-information.service.gov.uk
Teconi Limited1752698718 October 202618 July 2028Activefind-and-update.company-information.service.gov.uk
Mhub Tech Ltd1752427615 October 202615 July 2028Activefind-and-update.company-information.service.gov.uk
Cynon Valley Cleaning Ltd1751497612 October 202612 July 2028Activefind-and-update.company-information.service.gov.uk
Kuzure Ltd174941291 October 20261 July 2028Activefind-and-update.company-information.service.gov.uk
Pro Guard Home Improvements Ltd1746712118 September 202618 June 2028Activefind-and-update.company-information.service.gov.uk
Obsessify Ltd174487229 September 20269 June 2028Activefind-and-update.company-information.service.gov.uk
LA Jones Estates Ltd174419456 September 20266 June 2028Activefind-and-update.company-information.service.gov.uk
Bramwelis Ltd1741600924 August 202624 May 2028Activefind-and-update.company-information.service.gov.uk
Nynroc Property Ltd1739863913 August 202613 May 2028Activefind-and-update.company-information.service.gov.uk
Enhanced Community Housing CIC173875047 August 20267 May 2028Activefind-and-update.company-information.service.gov.uk
Beartots Ltd173757493 August 20263 May 2028Activefind-and-update.company-information.service.gov.uk
Ironrootslandscaping Limited1736389727 July 202627 April 2028Activefind-and-update.company-information.service.gov.uk
Eidanl Limited1733897714 July 202614 April 2028Activefind-and-update.company-information.service.gov.uk
ML Steel Ltd1733640813 July 202613 April 2028Activefind-and-update.company-information.service.gov.uk
Lee Griffiths Contractors Limited173188763 July 20263 April 2028Activefind-and-update.company-information.service.gov.uk
Dilwyn Properties Ltd1728868019 June 202619 March 2028Activefind-and-update.company-information.service.gov.uk
Gazi Mart Ltd1728465518 June 202618 March 2028Activefind-and-update.company-information.service.gov.uk
Brickzen Constructions Ltd172656176 June 20266 March 2028Activefind-and-update.company-information.service.gov.uk
Reset RCT CIC172639905 June 20265 March 2028Activefind-and-update.company-information.service.gov.uk
STR Drylining Ltd172583873 June 20263 March 2028Activefind-and-update.company-information.service.gov.uk
The Butchers Arms Mountain Ash Ltd172583353 June 20263 March 2028Activefind-and-update.company-information.service.gov.uk
Hazar Foods Ltd172578273 June 20263 March 2028Activefind-and-update.company-information.service.gov.uk
Arglwydd Ltd1724033725 May 202625 February 2028Activefind-and-update.company-information.service.gov.uk
LCT Scaffold Ltd1723765222 May 202622 February 2028Activefind-and-update.company-information.service.gov.uk
Pretty Cow Ltd1723627721 May 202621 February 2028Activefind-and-update.company-information.service.gov.uk
Katiesclothes Ltd1722448016 May 202616 February 2028Activefind-and-update.company-information.service.gov.uk
JAZ T.G. Ltd1722059414 May 202614 February 2028Activefind-and-update.company-information.service.gov.uk
Barnard Drylining & SFS Specialist Ltd1721826313 May 202613 February 2028Activefind-and-update.company-information.service.gov.uk
Sals Clothing Ltd1720923610 May 202610 February 2028Activefind-and-update.company-information.service.gov.uk
Ekvarta Ltd172071888 May 20268 February 2028Activefind-and-update.company-information.service.gov.uk
Air Jointing Limited171934441 May 20261 February 2028Activefind-and-update.company-information.service.gov.uk
Langdon Carpentry Ltd1718234727 April 202627 January 2028Activefind-and-update.company-information.service.gov.uk
Choiceitsupportsolution Ltd1716134716 April 202616 January 2028Activefind-and-update.company-information.service.gov.uk
Ravesocks Ltd1715824815 April 202615 January 2028Activefind-and-update.company-information.service.gov.uk
Dean Phillips Properties Ltd171420677 April 20267 January 2028Activefind-and-update.company-information.service.gov.uk
G & N Commerical Repairs Ltd171419827 April 20267 January 2028Activefind-and-update.company-information.service.gov.uk

Updated November 7, 2026. Read from Companies House Free Company Data Product. 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.