GJM Estimating Consultants, LLC

About us

Greg has been in the construction industry for the past 40 years.

He started in the industry installing exterior home improvements. Then started his own business selling & installing exterior home improvements, which expanded into other areas of construction. This gave him experience in estimating & selling along with a better understanding of other areas of construction.

Greg began to see the value of using computers to create estimates using spreadsheets. Over time, he continued to grow in his experience in estimating, construction knowledge, and managing projects, to create a sophisticated estimating spreadsheet system in Microsoft Excel.

Eventually, the spreadsheet could not keep up with the demands of the estimating system and the additional functionality that Greg felt the estimating system should have. So, a new system was designed by Greg, on the basis of the spreadsheet, but built in Microsoft Access. That system has continued to grow as new ideas are implemented.

Because of the economy, many construction companies have had to let some of their employees go, to reduce their overhead. In some cases, construction companies that had many employees were reduced to mere skeletons of their former selves. As the economy starts to improve, many are starting to hear the phones ring and are starting to get busy, but not to the point where they fell they can afford to add new employees to the overhead.

That being the case, Greg thought that now was the time to share his expertise in estimating with others by sub-contracting estimating on an as-needed-basis, as is already being done in other parts of the country, using the system he has designed.


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