The firm is making its first move to the city as part of its 2020 strategy, focusing on increased profits, investment in people and a more dynamic range of services.
Recruitment is now underway to seek out a team of experts to be based at Queen’s Road in Aberdeen’s financial district.
The first key hire has already been made with the appointment of director of corporate finance, Ian Knott.
Rob Caven, partner at Grant Thornton and head of advisory in Scotland, said: "We’re delighted to be taking our first steps north and are confident that both Grant Thornton and Aberdeen will have a sustainable, successful future.
"By focusing on stimulating new ideas and tapping in to the potential of the north east, we believe there will continue to be significant opportunities to create an even more vibrant economy.
"It’s also great having Ian Knott on board to help drive forward this new practice. We’re delighted to welcome such a knowledgeable, experienced corporate finance advisor to the team.
"Our objective is long term growth throughout Scotland, and we believe the north of Scotland will play a key role in helping to deliver that success."