The membership organisation appointed Verve after pitches that took place earlier this year.
Reporting to deputy chief executive Tony McBrearty and chief executive Eric Sorensen, Verve director Tim Walker is leading the account.
‘We will be working on the partnership's overall comms strategy as well as organising practitioner forums,' he told PRWeek.
Verve's brief also includes the production of the quarterly magazine Renew.
TGLP is currently lobbying for investment in the area's infrastructure. The region is expected to provide 150,000 jobs and 200,000 homes in the next 10 years.
London is Europe's fastest-growing city and its growth underpins the economic growth of the rest of Britain, according to the partnership. Yet London's pre-eminence as an international business centre is at risk as it struggles with the twin challenges of large-scale economic restructuring and fast economic growth, it claims.
Major improvements are needed to London's infrastructure to maintain and further exploit London's attractiveness to inward investment. TGLP claims investment in Thames Gateway is important to this improvement, because it is the only part of the capital able to sustain the massive scale of growth required in housing and jobs for London to retain its pre-eminence.
TGLP represents 12 local authorities, five universities, the local Learning and Skills Council and a strategic health organisation.
Verve will be working alongside Connect Public Affairs, which has retained TGLP's PA agency brief.