Companies within Mountain Ash, Abercynon, Penrhiwceiber

Newly Formed Companies in
Mountain Ash, Abercynon, Penrhiwceiber
this week

There have been 3 companies formed in the week from 26-10-2026 to 02-11-2026 within the CF45 postcode district (Mountain Ash, Abercynon, Penrhiwceiber in Cardiff). Usually over 2500 companies get formed every working day across the country. If you would prefer to analyse by region, rather than this postal district, you can check how many companies are formed in Cardiff.

Centred on Mountain Ash, Abercynon and Penrhiwceiber, CF45 is associated with Rhondda Cynon Taf and the communities, streets and local landmarks named in its coverage. Those three place names — Mountain Ash, Abercynon and Penrhiwceiber — provide the main geographic cues for understanding CF45.

For CF45, the CF postcode context matters: The CF postcode places the district within Cardiff or the surrounding South Wales area, with the capital's civic, sporting, university and waterfront roles never far away.

Company records place CF45 at about the 64th percentile of districts by rank, with 670 companies and a position of 1,978th out of 3,113 as of June 2026. Here, we highlight newly formed companies and recent Companies House registrations associated with CF45 addresses. For CF45, the company count is best read alongside the named places rather than as a claim about how businesses operate.

Below are just a small sample of the companies formed (with the numeric parts of the address redacted with an X and not showing the postcode, so we are not advertising peoples full addresses online) but allows you to see where some of the companies have been formed. Our newly formed companies wizard in our Dashboard allows you to filter by a range of options free of charge to get an idea of quantities, prior to deciding to purchase. We supply the full company details lodged when they filed their company when you have decided on your filter selection and choose to purchase.

Incorp Date	Categories	Location
2nd Nov	Construction of bridges and tunnels Construction of other civil engineering projects n.e.c.	XX Lock Street Abercynon Mountain Ash
2nd Nov	Agents involved in the sale of a variety of goods	XX Avondale St Abercynon Mountain Ash Mglam
28th Oct	Buying and selling of own real estate Renting and operating of Housing Association real estate Other letting and operating of own or leased real estate Management of real estate on a fee or contract basis	XX Station Terrace Mountain Ash