Arriva Southend
 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 Basildon and Thurrock areas of Essex. They operate most services east of Southend and a few services west of Southend and compete to a limited extent with four other local operators with services in the same areas: First Essex NIBS Regal Busways and Stephensons of Essex.