The largest security dealing on own account companies in Sheffield

Ranked by shareholders' funds, from 26 active companies in the S postcode area.

"Largest" here means shareholders' funds — what the most recent balance sheet says the company is worth. It is the only measure of size filed by enough companies to rank on.

Companies that have never filed accounts cannot appear, however big they are. Figures are as filed at Companies House and can be a year or more old.

Security dealing on own account in Sheffield top 20