2,166 active companies are registered in Carmarthen with Companies House. Out of 2,386 companies ever registered here, 7 are no longer active — a 91% survival rate. Business formation remains steady, with 49.6% of current companies established since 2020. Over half (54%) of active companies were formed since 2020, making this one of the UK's fastest-growing business locations. The most common industry sector is other letting and operating of own or leased real estate, with 122 companies. Carmarthen is home to 45 FCA-regulated firms and 39 registered charities. The average company age is 9.0 years. The earliest company registration in Carmarthen dates back to 1906.
Source: Companies House register via UVAGATRON, June 2026
A diverse local economy with no single sector accounting for more than 15% of businesses.
The average active company in Carmarthen is 9 years old. There are 45 <Link href="/glossary/fca-financial-conduct-authority">FCA-regulated firms</Link> in the area. 39 registered charities operate locally.
Companies in Carmarthen have been awarded 2 government contracts with a combined value of £3.5M. See the Top Government Contractors report.
There are 2,166 active companies registered in Carmarthen, out of 2,386 total. 7 (0%) are no longer active.
The top industries in Carmarthen include Other letting and operating of own or leased real estate (122 companies), Buying and selling of own real estate (66 companies), Development of building projects (62 companies).
49.6% of currently active companies in Carmarthen were incorporated since 2020, indicating strong recent growth.
Our database contains 14,311 data signals across 10 categories for active companies in Carmarthen. The largest category is Governance with 6,852 signals from 5 sources.
The oldest company registration in Carmarthen dates back to 1906, spanning over 120 years of business history.