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Company size definitions and exclusions are used by Companies House to determine what information a company needs to file (e.g. abbreviated or full accounts). A company must meet certain conditions to be classified as, Micro, Small, Medium or Large. You can estimate the size of a company by checking the type of accounts they are filling with Companies House.

Filing TypeDescriptionTurnoverBalance SheetEmployees
Micro EntityMicro-entities can file abridged accounts, to qualify as a micro entity it must meet at least two of the following criteria.Annual turnover is £632,000 or lessThe balance sheet total does not exceed £316,000The average number of employees is not greater than 10
Small CompanySmall companies can file abridged accounts, to qualify as a small company it must meet at least two of the following criteria.Annual turnover is £10.2 million or lessThe balance sheet total does not exceed £5.1 millionThe average number of employees is not greater than 50
Medium CompanyMedium companies can file reduced accounts, to qualify as a medium company it must meet at least two of the following criteria.Annual turnover is £36 million or lessThe balance sheet total does not exceed £18 millionThe average number of employees is not greater than 250
Large CompanyLarge companies must file full accounts, to qualify as a large company it must meet at least two of the following criteria.Annual turnover is more than £36 millionThe balance sheet total is more than £18 millionThe average number of employees is greater than 250
Dormant CompanyDormant companies have had no ‘significant accounting transactions’ during its financial year and accounting period. In essence, it’s not trading and it is not spending or receiving any money. Dormant companies file the simplest accounts.N/AN/AN/A
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