A notary is a person appointed by the Central Government or state government under the Notaries Act 1952. He is a public officer who can administer oaths and statutory declarations, witness, and authenticate documents, and execute certain other acts depending on the jurisdiction. If you want to notarise your document fast, then White Horse Notary Public offers you the best notary public service and apostille in London.
Source : https://www.whitehorsenotarypublic.com/apostille-and-legalisation-services/