Home | Company Info| Contact


Company Info  

Sigma Consulting Services Inc
. is a multi-faceted service provider specializing in architectural design and drafting, architectural CAD software sales, CAD training and technical support services.

Gary Thill is the owner and principal consultant of the Denver-based corporation.

Gary has been working in the field of architecture since 1971 and has been using ARRIS CAD, a high-end architectural CAD software, since 1984. Much of his 25 plus years of ARRIS CAD experience comes from working directly for the ARRIS software manufacturer, Sigma Design.



As an expert ARRIS CAD user and trainer, Gary has assisted some of the largest architectural firms in the world to become even more productive with their ARRIS software investment.

In addition to his ARRIS CAD expertise, he has over 35 years of experience in residential design and drafting and offers a wide variety of 2D and 3D CAD services to his clients.




Sigma Consulting Services 2013