Notary Public in Leicester. A Notary, or Notary Public, can authenticate or witness most documents. A Notary can also arrange legalisation or obtain Apostilles, if needed. You will often require the services of a Notary Public when you have documents which are needed to be used abroad. The Notary's signature and seal will verify to the authorities in that country that any relevant checks have been carried out and that the document has been properly signed.A Notary Public can provide the following services for businesses:assignments or registration of trade marks apostille and legalisation service witnessing a power of attorney notarisation of company documentsaffidavits, statutory declarations, and sworn statements share issues certified by a notary public property transactions, transfers, purchases, salesany other documents for abroad, which require a notary public stamp