276 active companies are registered in Co Antrim with Companies House. Out of 313 companies ever registered here, 1 are no longer active — a 88% survival rate. 47% of companies predate 2000, reflecting Co Antrim's long-established commercial heritage. The most common industry sector is other, with 21 companies. Co Antrim is home to 18 FCA-regulated firms. The average company age is 29.8 years, suggesting a mature business environment. The earliest company registration in Co Antrim dates back to 1929.
Source: Companies House register via UVAGATRON, June 2026
An established business centre with companies averaging 29.8 years of operation.
The average active company in Co Antrim is 29.8 years old. There are 18 <Link href="/glossary/fca-financial-conduct-authority">FCA-regulated firms</Link> in the area. 7 registered charities operate locally.
Companies in Co Antrim have been awarded 2 government contracts with a combined value of £55.5M. See the Top Government Contractors report.
There are 276 active companies registered in Co Antrim, out of 313 total. 1 (0%) are no longer active.
The top industries in Co Antrim include Other (21 companies), Other letting and operating of own or leased real estate (19 companies), Dormant Company (18 companies).
0.4% of currently active companies in Co Antrim were incorporated since 2020, indicating steady recent growth.
Our database contains 2,359 data signals across 10 categories for active companies in Co Antrim. The largest category is Governance with 1,004 signals from 2 sources.
The oldest company registration in Co Antrim dates back to 1929, spanning over 97 years of business history.