The Rebar Takeoff & Estimating software you’ve been looking for!

Bid more projects in less time with STACK’s comprehensive takeoff and estimating solution. With best-in-class cloud-based tools, you can see 10X faster bids and up to 35% more opportunities to win.

Preconstruction in the Cloud

STACK is the only software to offer lightning-fast takeoff and complete estimating in one solution. See for yourself how we’re helping to power a more efficient and streamlined preconstruction process that leads to more wins and greater project profitability.

Plan, Spec and Document Management

Nail every detail. Keep your project docs organized and your team laser-focused.

Cloud-Based Quantity & Material Takeoff

Knock out takeoffs 10x faster and keep everyone on the same page from day one.

Detailed Cost Estimates & Proposals

Adjust costs, markup, tax, and overhead. Create customized estimates and branded proposals quickly and easily.

Real-Time Collaboration & Connectivity

Robust markup, callouts, sharing, & invites keep your entire team aligned.

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See what STACK customers are saying:

"Being able to create detailed estimates and go straight to the proposal, to customize it and make it look the way we want, and with everything in the cloud – STACK is the holy grail really!"

WestPro Construction SolutionsKansas City, KS

"We use STACK every day for a multitude of tasks. It is so adaptable to our needs. We use it for project takeoff, as-built drawings, area takeoffs, data center for quick access of equipment requirements and a host of other tasks. It's the greatest tool in our box!"

5 Seasons MechanicalNorcross, GA

"Great product, easy to use, easy to learn. My entire estimating workflow is more efficient because of STACK. I am able to bid more projects in less time. Because STACK is Web-Based I can use it on any computer. STACK works on both my PC and MAC. I recommend STACK to the other subcontractors I work with."

R3 PaintingHampstead, NC

"STACK has continued to develop more useful tools for an already useful service. STACK is an integral part of our estimating team and has saved us time and improved our delivery of accurate estimates."

Bur-Han ServicesNorth Vancouver, BC

"What makes STACK stand out to me is the open architecture. STACK’s application programming interfaces, which allow us to integrate other systems into STACK, are unique. One of the really exciting things about STACK is that we go from being rigid and inflexible to being able to quickly respond to customers."

CentiMarkPittsburgh, PA

See how Demotik achieved 50-75% better productivity and 30-40% win rates with STACK.

As a super subcontractor performing several trades, Demotik grappled with a slow estimating process and lost profits before finding STACK. Now, they’re seeing an increase in productivity, higher win rates, and better profit margins.

Awards? Yeah, we've won them.

STACK’s award-winning software has been recognized for excellence year after year.