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We collaborate with industry-leading companies to deliver seamless partnerships and integrations that extend what you can do with STACK.
Existing PartnersAccess your partner tools, register deals, and connect with the STACK team.
Partner with STACKFeatured Partner
STACK and Velixo Partner to Power an Innovative Excel Integration for Construction Estimating
STACK and Velixo launch STACK for Excel, an exclusive integration connecting takeoff and estimating data directly in Excel.
- 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.
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.
Where Preconstruction Meets Complete Project Insight
From takeoff to closeout, STACK now integrates with ETHOSystems’ Sage Construction & Real Estate expertise—connecting estimating, project management, and accounting for smarter, more efficient workflows that improve accuracy, profitability, and project visibility.
- One connected system from estimating to finance
- Improved error reduction, forecasting, and profitability
- Custom integrations, dashboards, and real-time reporting
- Expert-led implementation, training, and ongoing support
STACK + ETHOSystems
Build Smarter. Grow Stronger.
STACK makes takeoff and estimating fast and accurate. ETHOSystems ensures your ERP works for Construction and Real Estate businesses like yours. Together we keep your teams connected in real time, giving you the clarity and control to win more work, protect margins, and eliminate costly mistakes.
Work like One Team
Say goodbye to manual handoffs. With ETHOSystems and STACK, your data flows seamlessly—from takeoff to accounting to the field—so everyone stays aligned and informed.
Tailored to Your Business
STACK and ETHOSystems adapt to your specific workflows so all your estimating, accounting, and project teams work together seamlessly.
A Proven Partner
STACK’s partnership with ETHOSystems connects you with trusted experts who deliver proven guidance, tailored solutions, and ongoing support to help your business grow.
About ETHOSystems
ETHOSystems empowers construction and real estate companies with smarter, more connected ways to work. Leveraging Sage Construction and Real Estate software—enhanced by powerful integrations like STACK—they deliver solutions for Accounting, Project Management, Estimating, Construction Management, and Payroll. Their experts go beyond implementation, partnering with you to recommend and support software tailored to your business needs.
Ready to see STACK in action?
Reimagine how your team works—from bid to budget to build. Request a demo today and explore how the STACK + ETHOSystems partnership can elevate your project lifecycle.
