3,269 active companies are registered in Rainham with Companies House. Out of 4,036 companies ever registered here, 323 are no longer active — a 81% survival rate. The area has seen significant recent growth, with 65.7% of active businesses incorporated since 2020. Over half (80%) of active companies were formed since 2020, making this one of the UK's fastest-growing business locations. The most common industry sector is buying and selling of own real estate, with 274 companies. Rainham is home to 43 FCA-regulated firms and 21 registered charities. Companies here hold 19 government contracts worth £114.4M in total. The average company age is 6.0 years. The earliest company registration in Rainham dates back to 1904.
Source: Companies House register via UVAGATRON, September 2026
Rainham is a growth hotspot — over half of its active companies were formed since 2020.
The average active company in Rainham is 6 years old. There are 43 <Link href="/glossary/fca-financial-conduct-authority">FCA-regulated firms</Link> in the area. 21 registered charities operate locally.
Companies in Rainham have been awarded 19 government contracts with a combined value of £114.4M. See the Top Government Contractors report.
There are 3,269 active companies registered in Rainham, out of 4,036 total. 323 (8%) are no longer active.
The top industries in Rainham include Buying and selling of own real estate (274 companies), Other letting and operating of own or leased real estate (118 companies), Retail sale via mail order houses or via Internet (117 companies).
65.7% of currently active companies in Rainham were incorporated since 2020, indicating strong recent growth.
Our database contains 20,127 data signals across 11 categories for active companies in Rainham. The largest category is Governance with 9,732 signals from 6 sources.
The oldest company registration in Rainham dates back to 1904, spanning over 122 years of business history.