42 active companies are registered in Porstmouth with Companies House. Out of 44 companies ever registered here, 0 are no longer active — a 95% survival rate. The area has seen significant recent growth, with 85.7% of active businesses incorporated since 2020. Over half (90%) of active companies were formed since 2020, making this one of the UK's fastest-growing business locations. The most common industry sector is development of building projects, with 10 companies. With an average company age of just 4.6 years, Porstmouth has a notably young business ecosystem.
Source: Companies House register via UVAGATRON, September 2026
Porstmouth is a growth hotspot — over half of its active companies were formed since 2020.
The average active company in Porstmouth is 4.6 years old.
There are 42 active companies registered in Porstmouth, out of 44 total. 0 (0%) are no longer active.
The top industries in Porstmouth include Development of building projects (10 companies).
85.7% of currently active companies in Porstmouth were incorporated since 2020, indicating strong recent growth.
Our database contains 261 data signals across 5 categories for active companies in Porstmouth. The largest category is Governance with 126 signals from 2 sources.
The oldest company registration in Porstmouth dates back to 1989, spanning over 37 years of business history.