Unfortunately Spotify is not licensed for business usage. You can easily convert your Spotify playlists to Open Ear and ensure you remain on the right side of the law.
Spotify, Apple Music, YouTube and other domestic music platforms are not licensed for business use. Open Ear provides your with a fully licensed business music service via the PRS and PPL. Please note - to play copyrighted music, all businesses are required to pay annual performance licences to both organisations regardless of the source of music.