362 active companies are registered in Castlewellan with Companies House. Out of 419 companies ever registered here, 31 are no longer active — a 86% survival rate. Business formation remains steady, with 43.6% 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 24 companies. The average company age is 8.3 years.
Source: Companies House register via UVAGATRON, October 2026
A diverse local economy with no single sector accounting for more than 15% of businesses.
The average active company in Castlewellan is 8.3 years old. There are 6 <Link href="/glossary/fca-financial-conduct-authority">FCA-regulated firms</Link> in the area. 4 registered charities operate locally.
There are 362 active companies registered in Castlewellan, out of 419 total. 31 (7%) are no longer active.
The top industries in Castlewellan include Other letting and operating of own or leased real estate (24 companies), Construction of domestic buildings (17 companies), Development of building projects (14 companies).
43.6% of currently active companies in Castlewellan were incorporated since 2020, indicating strong recent growth.
Our database contains 3,124 data signals across 7 categories for active companies in Castlewellan. The largest category is Governance with 1,512 signals from 3 sources.
The oldest company registration in Castlewellan dates back to 1981, spanning over 45 years of business history.