E-commerce and mail-order retail
3,683 companies
SIC 5961
Companies in Cardiff
Behind every street in Cardiff sits a business. 39,272 of them, to be exact, all registered in the United Kingdom business register. The biggest single industry is e-commerce and mail-order retail with 3,683 companies, roughly 9% of everything that does business in the city.
39,272 businesses indexed
Admiral Group PLCAdmiral Group PLC
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Admiral Group PLC | Unitedkingdom | Cardiff | Ty Admiral | Cardiff | CF10 2EH | admiral.***** | 1993 | $6,585,512,635 | 14,998 | Corporation | 19 | 03849958 |
| 2 | 05094817 LTD | Unitedkingdom | Cardiff | C/o 05094817 - Companies House Default Address | Cardiff | CF14 8LH | N/A | 2004 | $1,302,791,791 | 9 | Corporation | N/A | 05094817 |
| 3 | Black Horse LIMITED | Unitedkingdom | Cardiff | St. William House | Cardiff | CF10 5BH | blackhorse.***** | 1960 | $1,223,851,520 | 1,197 | Corporation | 2167 | 00661204 |
| 4 | Cardiff University | Unitedkingdom | Cardiff | Cardiff University | Cardiff | CF10 3AT | facebook.***** | 2010 | $822,935,792 | 6,253 | Corporation | 31 | RC000089 |
| 5 | Cardiff County Council | Unitedkingdom | Cardiff | County Hall | Cardiff | CF10 4UW | cardiffyouthcouncil.***** | 1996 | $796,070,181 | 545 | 363 | N/A | |
| 6 | Principality Building Society | Unitedkingdom | Cardiff | Principality Building Soc Principality House | Cardiff | CF10 3FA | principality.***** | 1860 | $721,810,509 | 1,228 | Non profit organization | 68 | 155998 |
| 7 | Bbc Pension Trust LIMITED | Unitedkingdom | Cardiff | Broadcasting House | Cardiff | CF5 2YQ | bbc.***** | 1988 | $503,184,958 | 6,000 | Corporation | 336 | 02218202 |
| 8 | Motonovo Finance LIMITED | Unitedkingdom | Cardiff | Central Square | Cardiff | CF10 1FS | motonovofinance.***** | 2018 | $459,146,478 | 628 | Corporation | 85 | 11556144 |
| 9 | Eui LIMITED | Unitedkingdom | Cardiff | Ty Admiral | Cardiff | CF10 2EH | elephant.***** | 1992 | $447,190,038 | 11,191 | Corporation | 19 | 02686904 |
| 10 | Jarvis Rail LIMITED | Unitedkingdom | Cardiff | C/o 02995419 - Companies House Default Address | Cardiff | CF14 8LH | N/A | 1994 | $372,229,462 | 1,381 | Corporation | N/A | 02995419 |
| 11 | Admiral Insurance Company LIMITED | Unitedkingdom | Cardiff | Ty Admiral | Cardiff | CF10 2EH | admiral.***** | 2000 | $341,230,838 | 920 | Corporation | 19 | 04080051 |
| 12 | Pepper Money Group LIMITED | Unitedkingdom | Cardiff | 4 Capital Quarter | Cardiff | CF10 4BZ | pepper.***** | 2018 | $335,950,942 | 341 | Corporation | 8 | 11279067 |
| 13 | UK Mortgage Lending LTD | Unitedkingdom | Cardiff | 4 Capital Quarter | Cardiff | CF10 4BZ | optimumcredit.***** | 2013 | $280,551,971 | 151 | Corporation | 8 | 08698121 |
| 14 | Gocompare.com LIMITED | Unitedkingdom | Cardiff | Suite 2a Hodge House | Cardiff | CF10 1DY | gocompare.***** | 2006 | $268,225,815 | 242 | Corporation | 54 | 05799376 |
| 15 | Inspop.com LIMITED | Unitedkingdom | Cardiff | Greyfriars House | Cardiff | CF10 3AL | confused.***** | 1999 | $218,749,938 | 318 | Corporation | 46 | 03857130 |
| 16 | Carlyle Trust Limited(the) | Unitedkingdom | Cardiff | One, Central Square | Cardiff | CF10 1FS | N/A | 1940 | $197,313,128 | 289 | Corporation | 10 | 00361131 |
| 17 | Oriana Solutions LTD | Unitedkingdom | Cardiff | C/o 11458762 - Companies House Default Address | Cardiff | CF14 8LH | N/A | 2018 | $181,331,474 | 56 | Corporation | N/A | 11458762 |
| 18 | Julian Hodge Bank LIMITED | Unitedkingdom | Cardiff | Hodge | Cardiff | CF10 1FS | hodgebank.***** | 1977 | $168,026,570 | 302 | Corporation | 10 | 00743437 |
| 19 | Eagle Football Holdings LIMITED | Unitedkingdom | Cardiff | C/o 14379286 - Companies House Default Address | Cardiff | CF14 8LH | N/A | 2022 | $160,838,000 | 1,026 | Corporation | 3 | 14379286 |
| 20 | Government Of Wales | Unitedkingdom | Cardiff | Crown Building | Cardiff | CF10 3NQ | gov.***** | 2012 | $152,395,615 | 5,000 | 235 | 1020356 | |
| 21 | Royal Mail Sameday | Unitedkingdom | Cardiff | Po Box 4219 | Cardiff | CF14 8DH | N/A | 2001 | $145,302,553 | 400 | N/A | N/A | |
| 22 | The Welsh Rugby Union LIMITED | Unitedkingdom | Cardiff | Principality Stadium | Cardiff | CF10 1NS | wru.***** | 1897 | $143,915,632 | 344 | Corporation | 8 | 03419514 |
| 23 | Deep Black Drilling Llp | Unitedkingdom | Cardiff | C/o 360402 - Companies House Default Address | Cardiff | CF14 8LH | N/A | 2010 | $142,680,775 | 2 | Partnership of unknown type | N/A | OC360402 |
| 24 | 00815217 LIMITED | Unitedkingdom | Cardiff | C/o 00815217 - Companies House Default Address | Cardiff | CF14 8LH | N/A | 1964 | $138,088,133 | 683 | Corporation | N/A | 00815217 |
| 25 | Admiral Financial Services LIMITED | Unitedkingdom | Cardiff | Ty Admiral | Cardiff | CF10 2EH | admiral.***** | 2016 | $137,120,091 | 295 | Corporation | 19 | 10255225 |
Showing 25 of 39,272 companies
Request Free SampleLargest industries in Cardiff
The biggest industry groups in Cardiff by registered company count, with the top five companies by revenue in each.
General business services
2,341 companies
SIC 7389
IT services
1,644 companies
SIC 7379
Management consulting
1,413 companies
SIC 8742
Restaurants and eating places
1,305 companies
SIC 5812
Property developers
1,148 companies
SIC 6552
Miscellaneous Personal Services, Not Elsewhere Classified
1,143 companies
SIC 7299
Computer Programming Services
1,045 companies
SIC 7371
All industries in Cardiff
Together, e-commerce and mail-order retail, general business services and IT services make up the top three industries in Cardiff, accounting for 20% of the city's commercial activity. The oldest company we can find in Cardiff is Morgan Cole Llp, founded in 1836, with 00524665 not far behind. They're still here, along with hundreds of thousands of others.
Coal from the valleys once made Cardiff's docks among the busiest on earth, and the Welsh capital now trades in media, finance and government instead. All of them are in our data. Search Cardiff businesses in the live tool below, get the full list delivered as an Excel file, or pull the records straight into your own systems through our API.
- Catalog and Mail-Order Houses3,683
- Nonclassifiable Establishments2,621
- Business Services, Not Elsewhere Classified2,341
- Computer Related Services, Not Elsewhere Classified1,644
- Management Consulting Services1,413
- Eating Places1,305
- Land Subdividers and Developers, Except Cemeteries1,148
- Miscellaneous Personal Services, Not Elsewhere Classified1,143
- Computer Programming Services1,045
- Nondurable Goods, Not Elsewhere Classified917
- Other industries22,012
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Open the search toolFrequently Asked Questions
Common questions about searching, filtering, and ordering Cardiff company data.
Our Cardiff business directory currently lists every registered legal entity with a Cardiff address in the official United Kingdom business register. The exact count is shown live at the top of this page.
Cardiff records are sourced directly from the official United Kingdom business register and enriched with 50+ data points: revenue, employees, industry codes, contact details, and ownership.
Core registry fields are refreshed weekly. Enriched fields (revenue, employees, contact) are refreshed monthly so your Cardiff list never goes stale.
Yes. Every Cardiff record is tagged with SIC industry codes. You can request your directory filtered by one or several SIC codes, employee size bands, or revenue thresholds.
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Yes. We only deliver legal-entity data and publicly listed business contact details. We do not include personal data of natural persons unless required by the company register itself (e.g. sole traders).
Yes. Request a free 100-record sample of Cardiff data and we will email it within one business day.
Yes. The full Cardiff dataset is available through our REST API with the same filters as our directory builder. See our API page for pricing tiers.
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