309 active companies are registered in Portstewart with Companies House. Out of 345 companies ever registered here, 28 are no longer active — a 90% survival rate. Business formation remains steady, with 33.7% of current companies established since 2020. The most common industry sector is dormant company, with 76 companies. The average company age is 13.7 years. The earliest company registration in Portstewart dates back to 1945.
Source: Companies House register via UVAGATRON, October 2026
An established business centre with companies averaging 13.7 years of operation.
The average active company in Portstewart is 13.7 years old. There are 4 <Link href="/glossary/fca-financial-conduct-authority">FCA-regulated firms</Link> in the area.
There are 309 active companies registered in Portstewart, out of 345 total. 28 (8%) are no longer active.
The top industries in Portstewart include Dormant Company (76 companies), Residents property management (40 companies), Other letting and operating of own or leased real estate (17 companies).
33.7% of currently active companies in Portstewart were incorporated since 2020, indicating moderate recent growth.
Our database contains 2,419 data signals across 9 categories for active companies in Portstewart. The largest category is Governance with 1,393 signals from 3 sources.
The oldest company registration in Portstewart dates back to 1945, spanning over 81 years of business history.