The all-in-one, preconstruction solution that works where you do.
Ready to quickly and accurately measure digital plans, collaborate with team members, customize materials and pricing and finalize project estimates?

Ready to quickly and accurately measure digital plans, collaborate with team members, customize materials and pricing and finalize project estimates?
Keeping project details & supporting documents organized has never been easier.
Use robust markup, callout, sharing & invitation features to keep your entire team aligned.
Make project takeoffs
10x faster & empower your team to work anytime, anywhere.
Adjust costs, markup, tax, and overhead to create branded proposals with ease.
Thousands of companies worldwide use STACK to speed up their bid process, provide accurate estimates, and grow their business. Let us show you how!
STACK makes it easy to load plans and it’s great for measuring complicated shapes/angles. Our project estimating takes a fraction of the time it used to.
I’m so happy we finally pulled the trigger on STACK. I now do about 85-95% of my takeoff work using STACK. It’s so much faster than doing mly takeoffs by hand. I could never imagine going back to the old way!