If a British company wants to set up an office in China, it generally needs a business license and a legal person passport. The documents of British companies include registration certificate, articles of association and organization outline, register of shareholders and directors, resolutions of shareholders/board meetings, certificates of directors' employment, certificates of company existence, professional recommendation letters from lawyers/certified public accountants/banks, bank credit certificates, contracts, power of attorney and other commercial documents. Specifically, it should be provided according to the departments that need to be used. The documents of the British company of Eaton Law Firm were notarized by a notary, then by the British Foreign Office, and then by the Chinese Embassy in the UK.