The surveyor has appointed graduate Laura Kettle for the role based in its planning, development and regeneration team in Manchester.
Graduating this year, Kettle has a masters in urban studies and planning from the University of Sheffield.
She will provide support to the team in Manchester as it advises clients across both the public and private sector.
Steve Edgeller, planning director for GL Hearn in Manchester, said: "At GL Hearn we are always looking to build our existing team with fresh talent and Laura's relevant experience and clear enthusiasm for working in the Planning sector was evident from the outset. Laura has made a positive start to her GLH career and is settling in well."