The AI-native cost management system
Track, control, and optimize every dollar across software, vendors, and AI — from contracts and renewals to budgets, usage, and ROI.
Trusted with over $10 billion in cost under management by:
What Stackpack does while you're in meetings
Connect once and see your full vendor picture in 24 hours — no IT needed.
Contracts matched to vendors right from your inbox with renewal dates, pricing, and seat counts.
Get renewal alerts, so you never miss a deadline and can negotiate with insight.
Stackpack monitors seat usage so you can stop paying for empty seats.
Track AI spend by user and team in real time, with alerts before anyone hits their cap.
Ask anything about your vendors, contracts, or spend and get a plain-English answer in seconds.
Every request gets routed to the right approver, automatically.
See how the fastest growing companies are optimizing vendor & AI costs
“Stackpack gave us complete visibility into every vendor relationship across our entire organization. Now we can actually see patterns, catch duplicates, and make informed decisions about our vendor ecosystem.”
Matthew GrainerCFO
“Stackpack gives us timely accuracy that the standard month-end cycle just can't. We get vendor-level visibility early enough to catch cost spikes and mitigate them proactively. And the setup took less than an hour.”
Brett ChereskinCOO/CFO
“Stackpack gave us a level of visibility and control we simply didn’t have before. Looking back, I don’t know how we were managing vendor oversight without a tool like this.”
Cass FultzHead of OperationsConnects to the tools you already use, in two clicks.
Stackpack reads your existing accounting, seat, contract, and token data automatically.