Research

Ecommerce and online-retail research.

Original, sourced reads on the UK online-retail and marketplace-seller economy, built entirely from official Companies House and ONS open data. Free to read and cite with attribution.

214,765

SIC 47910 companies currently active on the register

Online Seller Business Index

Companies House SIC 47910 (retail via mail order or internet) incorporations and dissolutions, paired with the ONS internet-retail sales share of all UK retail (27.4% in 2025). Quarterly churn, formation-year cohort survival, formation seasonality and secondary SIC series.

Updated 2026-07-15

34.5%

5-year survival rate, 2019 birth cohort

Online Seller Survival Index

How long UK retail enterprises actually last: 34.5% of the 2019 Retail birth cohort survived 5 years, trailing the 38.4% all-industries average.

Updated 2025-11-20