The , which has a core membership of farmers, landowners and field sports enthusiasts, said it was keen to review its marketing activities and make them "more relevant" to a broader amount of stakeholders and members.
Hicklin Slade has been appointed to revamp the Trust's communication activities, including branding and its overall positioning.
Matthew Brown, managing director of Hicklin Slade & Partners, said: "Our objective is to ensure that game and wildlife management practices are widely adopted by policy makers, conservationists and landowners.
"Getting the most relevant message across needs more modern communications across a range of channels and we are looking forward to tackling this exciting creative challenge."
The Trust, which has 102 employees, has an annual income of £5.7m from donations, sponsorship and fundraising events, and has around 22,000 members in the UK.