3,244 active companies are registered in Rainham with Companies House. Out of 3,702 companies ever registered here, 9 are no longer active — a 88% survival rate. The area has seen significant recent growth, with 66.5% of active businesses incorporated since 2020. Over half (73%) 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 258 companies. Rainham is home to 41 FCA-regulated firms and 22 registered charities. Companies here hold 46 government contracts worth £5.1B in total. The average company age is 5.8 years. The earliest company registration in Rainham dates back to 1904.
Source: Companies House register via UVAGATRON, April 2026
Rainham is a growth hotspot — over half of its active companies were formed since 2020.
The average active company in Rainham is 5.8 years old. There are 41 <Link href="/glossary/fca-financial-conduct-authority">FCA-regulated firms</Link> in the area. 22 registered charities operate locally.
Companies in Rainham have been awarded 46 government contracts with a combined value of £5135.5M. See the Top Government Contractors report.
There are 3,244 active companies registered in Rainham, out of 3,702 total. 9 (0%) are no longer active.
The top industries in Rainham include Buying and selling of own real estate (258 companies), Other letting and operating of own or leased real estate (127 companies), Retail sale via mail order houses or via Internet (119 companies).
66.5% of currently active companies in Rainham were incorporated since 2020, indicating strong recent growth.
Our database contains 18,472 data signals across 11 categories for active companies in Rainham. The largest category is Governance with 9,757 signals from 6 sources.
The oldest company registration in Rainham dates back to 1904, spanning over 122 years of business history.