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Custom 7,000 square foot residence in Grand Lake, CO
CAD Drafting

Sigma Consulting Services Inc. is a residential design and drafting service specializing in custom homes, remodeling, multi-family dwellings, spec homes and architectural renderings. We have over 40 years of residential design and drafting experience - 25 of those years servicing the Denver metro area.

When you're finally ready to build your custom dream home or simply remodel your current residence, give us a call. 

Sigma Consulting Services...a facilitator of ideas for over four decades!

ARRIS Software

Sigma Consulting Services, Inc. is a premier reseller of ARRIS and Expert InfoCAD software products.

The following is a list of current products that can be purchased through Sigma Consulting Services, Inc.:

eZ Meeting
Expert InfoCAD:
Expert Translator for ARRIS
RILIB Translator for ARRIS
CAD Miner



Let Sigma Consulting Services' experienced ARRIS trainers increase your productivity, confidence and knowledge of the ARRIS applications and CAD system environment. Training classes are offered on-site, off-site and on-line.

Latest ARRIS News

The Essential ARRIS Training Video is now available!

The Essential ARRIS Handbook written by Gary Thill is now available!

ARRIS 9.5 is now shipping!

ARRIS 9.5 Features Include:
* Smart Repeated Items
* User Toolbar & Manager
* Drawing Manager
* ARRIS Architect Ceilings
* Pattern Enhancements

* Status Menu Display
* Enhanced Panning
* New Scale Menu
* Miscellaneous
IABC 2009

The 2009 International ARRIS BuildersCAD Conference was a a big hit. For a virtual tour and access to all of the seminar course materials, visit Sigma's website here

Sigma Consulting Services 2013