17 active companies are registered in Old Isleworth with Companies House. Out of 22 companies ever registered here, 2 are no longer active — a 77% survival rate. A wave of registrations in the 2010s accounts for 65% of active companies, pointing to a decade of strong entrepreneurial activity. The most common industry sector is buying and selling of own real estate, with 6 companies. The average company age is 16.9 years, suggesting a mature business environment.
Source: Companies House register via UVAGATRON, April 2026
An established business centre with companies averaging 16.9 years of operation.
The average active company in Old Isleworth is 16.9 years old. There are 1 <Link href="/glossary/fca-financial-conduct-authority">FCA-regulated firms</Link> in the area.
There are 17 active companies registered in Old Isleworth, out of 22 total. 2 (9%) are no longer active.
The top industries in Old Isleworth include Buying and selling of own real estate (6 companies).
5.9% of currently active companies in Old Isleworth were incorporated since 2020, indicating steady recent growth.
Our database contains 166 data signals across 4 categories for active companies in Old Isleworth. The largest category is Governance with 63 signals from 2 sources.
The oldest company registration in Old Isleworth dates back to 1993, spanning over 33 years of business history.