Cicero founding director Richard Elsen said: 'We want to broaden our base. The pharma area is one where we feel there is scope.'
The partnership is being billed as a jointly-run issues management service, under the banner Big Picture.
Anglin has clients including Abbott Laboratories and the London Development Agency. Cicero is in talks with existing Cicero clients with a view to Anglin assisting on accounts.
Cicero clients include the Retirement Income Reform Campaign, the PEP and ISA Managers' Association and disability insurer Unum.
Anglin left the BRC last year after 12 months as its head of parliamentary affairs.