Software and Solutions for the Construction Materials and Aggregate Industries

    Greycoat Software turns 25!

    Henry Slofstra started Slofstra Software Inc in 1989, and the re-branded Greycoat Software is still going strong 25 years later, Kitchener, ON - August 2014


    In 1989, Henry Slofstra was busy programming scheduling packages and billing and collection implementation. I guess you could say not much has changed, except that he no longer operates out of his basement, having moved over the years from Linwood to St. Jacobs to Waterloo and finally Kitchener. Slofstra Software Inc's first customer in the aggregate industry was TCG Materials, and from there the business kept growing. SSI's longest business relationship started in 1990 with Franke Kindred Industries, located in Midland, ON, and is still going strong today.

    Over the years Slofstra Software's key employees were hired as University of Waterloo co-op students or graduates. Past employees have gone on to careers in Silicon Valley, intellectual property law, and one is now a fireman with the Region of Waterloo.

    In 2012 SSI rebranded as Greycoat Software. Today, with Henry, there is one full-time developer who is a junior partner in the firm, two part-time employees and the occasional co-op student and contract employee. We've been piloting the business into new areas, so look for more growth in the near future.

    Send Henry a message of congratulations on 25 years of business at .

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