Our Union Street has been credited with playing a major role in a planned £1m investment in an empty unit on the Granite Mile.
Chris Goymer, a commercial and residential property developer and director of Black Atom renovations, revealed the news in LinkedIn.
The firm has acquired 262 Union Street, the former NatWest bank.
Mr Goymer said the campaign led by Bob Keiller has been "instrumental" in making the investment and supporting the regeneration of Union Street.
"We're committed to leveraging this prime position to its fullest potential, blending the charm of its historic location with innovative redevelopment ideas," he said.
"Our plan includes a £1 million investment into the property, ensuring that this iconic space on Union Street receives the attention it deserves.
"We want to extend a special thank you to the hardworking individuals at #OurUnionStreet group.
"Their dedication to revitalizing Union Street and bringing business to our Main Street in #Aberdeen has been instrumental in our decision to make an investment in Union Street."