The chief executive of healthcare marketing specialist Cello Group (LON:CLL), Mark Scott, explains how the business is expanding in the US with its two divisions - Health and Signal .

Cello Health provides science-led market intelligence and advice for the pharmaceuticals and biotechnology industries, enjoyed strong headline revenue growth.

Earlier this year the company opened an office in Boston, targeting the growing pharmaceutical community in the area.

On the West Coast, the company is beefing up its presence in San Francisco to capitalise on the growing number of biotech companies operating in California.