Smithfield will work for the firm in the UK, to communicate with the country's investor, analyst and financial media audiences.
Madano Partnership has recruited Julien Cozens, formerly head of external comms at Vodafone UK, to head its media relations offering as a partner. Cozens has also headed press and media relations at Cable&Wireless Worldwide.
Rostrum Communications has promoted Nick Bolshaw, previously a director, to the position of MD.
He replaces the agency's founder and previous MD Mark Houlding, who is taking the role of CEO.
Caspian Energy, a Toronto-listed oil and gas exploration company, has brought in Tavistock Communications to handle financial PR. The agency will handle the Kazakh-focused firm's corporate and financial comms, and raise its profile in the UK.
FieldHouse Associates, the tech venture capital-focused agency launched last month, has been appointed to handle the comms of the Blur Group, the creative services exchange, and Beanstalk, a boutique tech corporate finance adviser.