2,178 active companies are registered in Carmarthen with Companies House. Out of 2,551 companies ever registered here, 155 are no longer active — a 85% survival rate. The area has seen significant recent growth, with 50.5% of active businesses incorporated since 2020. Over half (60%) 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 129 companies. Carmarthen is home to 45 FCA-regulated firms and 41 registered charities. The average company age is 8.9 years. The earliest company registration in Carmarthen dates back to 1906.
Source: Companies House register via UVAGATRON, September 2026
Carmarthen is a growth hotspot — over half of its active companies were formed since 2020.
The average active company in Carmarthen is 8.9 years old. There are 45 <Link href="/glossary/fca-financial-conduct-authority">FCA-regulated firms</Link> in the area. 41 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There are 2,178 active companies registered in Carmarthen, out of 2,551 total. 155 (6%) are no longer active.
The top industries in Carmarthen include Other letting and operating of own or leased real estate (129 companies), Buying and selling of own real estate (78 companies), Development of building projects (60 companies).
50.5% of currently active companies in Carmarthen were incorporated since 2020, indicating strong recent growth.
Our database contains 14,512 data signals across 10 categories for active companies in Carmarthen. The largest category is Governance with 6,642 signals from 6 sources.
The oldest company registration in Carmarthen dates back to 1906, spanning over 120 years of business history.