Digitek House in Lincoln has finally been let by Hodgson Elkington to the Society of Will Writers.
The 1,800 sq ft of office accommodation on Whisby Way will be part of the transformation of the Will Society, which is undergoing a change.
The Society of Will Writers formed in London in 1994, but moved its headquarters to Lincoln in 1996.
It is a non-profit organisation, which aims to promote having a valid will to the public, and acts as a self-regulatory body by vetting practitioners through membership requirements, proficiency standards and on-going training.
Michael Brown of the Society of Will Writers said: “We are delighted that we have been able to find suitable premises and stay in the city.
“The will writing industry is in a transitional period and securing new premises is part of our development plan for the future of the organisation and the industry.”
Lewis Cove of Hodgson Elkington added: “It is really encouraging news that the Society is staying and expanding within Lincoln and this is another positive sign that the office market is returning to Lincoln.”