Free calculators and checks built on Companies House rules and data. No sign-up, results in the browser.
Work out when a UK company's accounts are due at Companies House and the late filing penalty if they are filed late. Private and public companies, first accounts.
Calculate a company's current ratio, cash ratio, working capital and net assets from its balance sheet, and compare them with medians for its UK industry.
Check if a UK company is micro, small, medium or large under the thresholds from 6 April 2025, and which accounts it can file at Companies House.
Check any UK company for free: status, accounts due date, overdue filings, registered office and the latest balance sheet figures from Companies House filings.
Search every UK SIC 2007 code by keyword or number, with the number of live companies on the Companies House register using it as their main activity.