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- Plan & Spec Management
Evaluate new bid opportunities, search full plan sets, compare plan versions and more.
Quantity TakeoffCalculate material & labor with quick and accurate digital measurement tools.
Estimates & ProposalsLeverage integrated items, assemblies and regional pricing to prepare winning bids.
The ROI of Estimating Accuracy: How STACK Customers are Winning More
Consistent estimating accuracy builds confidence, speeds up bidding, and drives more profitable wins. STACK customers are proving this every day with higher win rates and revenue growth.
- Customer Spotlight
STACK Powers Demotik’s Leap in Efficiency and Profit Margins
Demotik, a super-subcontractor based out of Cypress, Texas, achieved 50-75% better productivity with STACK!
- Resource Center
STACK's central hub for all the essential tools, insights and information you need to get started.
Help & TrainingSTACK's go-to resources for quick answers, video tutorials, support and more.
News You Can Use:
Tight construction margins leave no room for error. Learn how outdated estimating processes cost contractors time, bids,…
Construction Plan, Spec & Document Management Software
Keep preconstruction projects on track with top-notch organization. With STACK’s best-in-class document management functionality, sorting construction documents, plans, and specifications and locating key details has never been easier.
Outstanding tools that make managing documents, specs, and plans simple.
STACK processes every plan page instantly – from any source – so your team can avoid time-consuming tasks like naming and sorting manually through plans for relevant details, allowing you to get down to the real work faster.
Organization
Autonaming & Numbering
Automatic plan page naming and numbering power STACK’s robust search functionality, so that each plan page is clearly and accurately identified for ease of access.
Access
Hyperlinking
Instantly go to the page you need with STACK’s automatic hyperlinking of callouts, making it simple and logical to access all information related to each section of the plan.
Processing
Powerful OCR
STACK’s AI-powered optical character recognition is among the best in the industry, scanning each plan and document to accurately digitize all your project information.
Speed
Plan and Spec Search
No more flipping through hundreds of pages of plan documents for the data that is relevant for your team: STACK’s search feature allows you to find exactly what you need, when you need it.
Comparison
Plan Overlay
Design changes happen frequently in construction, but your team shouldn’t have to waste time discovering what’s new. With Plan Overlay, you can instantly identify changes between document versions.
Risk Mitigation
Version Control
Working from outdated plans is a recipe for disaster, but STACK’s folder organization is designed for tracking the most current document version, minimizing rework and inaccuracies.
Rated 5 out of 5
See what STACK customers are saying:
Customer Spotlight
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.
Get the latest news and resources:
Articles
Tight Margins in Construction: Why Standing Still Is Costing Contractors More
Tight construction margins leave no room for error. Learn how outdated estimating processes cost contractors time, bids, and profit—and how to fix it.
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APIs, data models, and integration choices rarely show up in demos, but they determine whether software can scale. A SaaS leader’s perspective on building platforms ...
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STACK’s World of Concrete 2026 Recap
Get a World of Concrete 2026 recap from the STACK team—top AI trends, real contractor feedback, standout moments, and what the show revealed about the ...
