TUPE (Transfer of Undertakings (Protection of Employment)) Regulations 2006 protect employees when a business or service is transferred. Employees automatically transfer to the new employer on the same terms. Both outgoing and incoming employers must inform employee representatives (or employees directly in small businesses) of the transfer details at least 28 days before.
Legal reference: Transfer of Undertakings (Protection of Employment) Regulations 2006 (SI 2006/246)