Business Essentials Device Portal – force.com Business Essentials Device Portal. Your loan agreement document and more. Sign in to your Business Essential Loan agreement. Email address Password. Remember me. Continue. Forgotten your sign in details? Credit is provided by Telefónica UK Limited trading as ‘O2’, 260 Bath Road, Slough, Berks SL1 4DX. In relation to … Continue reading 02 Business Essentials Device Portal Login