Salmat announced this morning that Harrod would finish as chief executive and managing director on 1 July by "mutual agreement". He will be replaced on an interim basis by co-founder and incoming chairman Peter Mattick.
Chairman Rick Lee said Harrod had led Salmat through a significant period of transformation.
"Grant joined Salmat as chief executive in April 2009 and has achieved a great deal in restructuring the business from four product-based silos to two core customer-focused business units – Customer Marketing Solutions and Customer Engagement Solutions," said Lee.
"Of particular note was Grant’s stewardship of the successful sale of the BPO business last year and establishment of our multi-channel digital technology future."
[Related: Salmat renews Woolworths contract]
The sale of the division, which produces essential mail for the likes of Telstra, almost halved the group's turnover.
In fact, Salmat is a much smaller company than the one Harrod took over: its most recent half-year results – the only set of numbers published since divesting the BPO arm – showed revenues of $243 million.
Compare this with the first half of 2008-09, where Salmat's revenue was $454.6 million.
The BPO arm was sold to Fujifilm last year, and rebranded as Fuji Xerox Document Management Solutions.
Lee added: "Grant leaves the business in a strong position with our two key divisions run by long-term, senior Salmat executives in Peter Anson and David Besson.
"They are members of a broader leadership group that has an average period of service at Salmat of greater than 15 years, and that is well-placed to deliver our strategy through our core businesses."
Harrod said he had had to cope with a rapidly changing industry during his time as chief executive.
"Over the past four years, we have worked hard at Salmat to focus the business on a combination of resilient and high-growth areas of Customer Marketing Solutions and Customer Engagement Solutions," he said.
"We have grown closer to our customers, and the business is now ideally positioned with the establishment of new services in high growth markets under its multi-channel communications strategy.
"With the company embarking on a new chapter, it provides an ideal opportunity for a leadership change."
Salmat's share price has fallen from $3.18 to $1.91 since Harrod became chief executive.
For the six months to 31 December 2012, Salmat reported a 7.8% year-on-year decline in revenue and a 207.4% jump in profit to $41.5 million.
[Related: More job news]
Comment below to have your say on this story.
If you have a news story or tip-off, get in touch at editorial@sprinter.com.au.
Sign up to the Sprinter newsletter