Partner Ms Dimmock previously worked as a special counsel at Moray & Agnew, while partner Mr Ferguson was a senior associate at Sparke Helmore before joining the firm.
Ms Dimmock has experience in property and development, commercial and business succession and estate planning, including acting for local businesses, financiers, government authorities, developers and listed international corporations.
“I started as a fresh law graduate at McDonald Johnson back in 2001 and my return as a partner to the firm fills me with pride,” said Ms Dimmock.
Mr Ferguson specialises in property law matters and transactions, acting for corporate, private, institutional and government clients.
He has particular experience acting for property developers, property fund managers and local government authorities.
“It’s extremely important for me to be able to work alongside talented and supportive colleagues, and I'm confident McDonald Johnson will provide this,” he said.