Those hired have included Sarah Hunter, a senior policy adviser to Tony Blair when prime minister, who became head of public policy for Google in the UK.
Harding is now policy manager for Google DeepMind, its artificial intelligence arm, which recently secured a contract with the NHS.
In the UK, appointments include that of Baroness Joanna Shields, a former managing director for Google, who was made minister for internet safety, and Google s executive chairman, Eric Schmidt, who David Cameron appointed to his business advisory council.
According to the CfA, Google dramatically stepped up its revolving door hires in Europe in 2011, shortly after the commission launched its first investigation into alleged antitrust violations by the company.
Now Google appears to be trying to replicate its Washington influence machine in Europe, where it is facing mounting threats from policymakers on a variety of issues.
Most worryingly in health and education, where privatisation through technology is gathering pace.