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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.
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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.
Building Smarter, More Profitable Projects
STACK has partnered with Lumber, the modern financial platform built for contractors, to bridge the gap between accurate project planning and smart funding. Together, we’re enabling construction teams to take control of their preconstruction workflows and access fast, flexible capital to fuel growth.
- Create accurate digital takeoffs and estimates
- Unlock financing options directly aligned with project needs
- Improve cash flow and scale your business without slowing down operations
STACK + Lumber
Powering Projects from Bid to Build
Together, STACK and Lumber give contractors the tools to build smarter and scale faster. From accurate preconstruction to steady cash flow and growth-ready financing, this partnership eliminates roadblocks and unlocks opportunities at every stage of a project.
Streamline Precon Funding
Connect STACK’s takeoff and estimating power with Lumber’s financing tools to seamlessly move from bid creation to project financing.
Improve Money Management
Access transparent, flexible capital from Lumber to cover materials, labor, and unexpected expenses—so you can focus on building, not balancing cash flow.
Grow with Confidence
Pair STACK’s accuracy with Lumber’s financial support to take on more projects, win bigger bids, and grow your business with less risk.
About Lumber
Lumber is the financial platform designed for builders. By offering transparent, flexible financing solutions, Lumber helps contractors take on more projects, pay subs and suppliers on time, and keep cash flow steady. With an intuitive platform built for the realities of construction, Lumber delivers the capital and tools you need to scale with confidence.
Ready to See It in Action?
See how STACK + Lumber can streamline your preconstruction process while unlocking flexible, tech-powered financing to help grow your business.
