Arriva Southend is a division of Arriva Southern Counties, a subsidiary of transport group Arriva which operates bus services in and around the Southend-on-Sea, Rochford, Rayleigh areas of Essex. They operate most services east of Southend and a few services west of Southend, and compete to a limited extent with three other local operators with services in the same areas: First Essex, NIBS and Stephensons of Essex.