Companies within Rumney, Trowbridge, Llanrumney, St Mellons, Castleton, Marshfield

Newly Formed Companies in
Rumney, Trowbridge, Llanrumney, St Mellons, Castleton, Marshfield
this week

There have been 7 companies formed in the week from 04-08-2026 to 11-08-2026 within the CF3 postcode district (Rumney, Trowbridge, Llanrumney, St Mellons, Castleton, Marshfield 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.

The geography of CF3 is anchored by Rumney, Trowbridge, Llanrumney and nearby places such as St Mellons, making the district more specific than the broader postcode area that surrounds it. Taken together, Rumney, Trowbridge, Llanrumney and St Mellons give CF3 a more varied footprint than a single-place district.

For CF3, the local setting is important: Cardiff's districts reflect the role of Wales's capital, with government, universities, sport, media, retail and waterfront regeneration all part of the city's identity.

By company count, CF3 sits around the middle of the national spread, ranked 581st out of 3,113 districts with 2,698 companies as of June 2026. UK company data for CF3 helps connect the named localities with recent company formation activity. For CF3, 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
10th Aug	Licensed restaurants Unlicensed restaurants and cafes Take-away food shops and mobile food stands Event catering activities	X Kingfisher Close Caerdydd
10th Aug	Manufacture of metal structures and parts of structures	XXX Hendre Road Caerdydd
7th Aug	Hairdressing and other beauty treatment	XXX Newport Road Rumney Cardiff
7th Aug	Freight transport by road	XXX Wentloog Road Rumney Cardiff
6th Aug	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	X Orchard Close Cardiff
5th Aug	Non-specialised wholesale trade	Unit Xb Wentloog Buildings Wentloog Road Cardiff
5th Aug	Sale of used cars and light motor vehicles	XX Ty Mawr Road Rumney Cardiff