Master the tail spend The End-to-End platform built for the 20–40% of spend that legacy suites never touch.
While the giants fight over your strategic spend, we specialize in the rest — fragmented vendors, one-off purchases and indirect categories. That's where margin hides, and where our AI makes the difference.
Written report in 5 business days. No commitment, no credit card. See pricing

28%
avg tail-spend reduction (industry benchmark + early pilot data)
+65%
process efficiency
Current tooling
The problem everyone faces (and no one solves)
Tail spend silently drains 20–40% of indirect budgets. Most teams don't even know where to start.
Off-policy spend
Up to 40% of purchases happen outside approved channels — and finance only finds out at month-end.
Zero visibility
You can't optimize what you can't see. Tail spend hides across hundreds of vendors and dozens of cost centers.
Manual processes
Emails, spreadsheets and PDFs slow approvals and quietly burn thousands of hours per year.
Fragmented vendors
Hundreds of one-off suppliers, no consolidation, no leverage, no negotiated savings.
If your team still approves purchases over emails, PDFs and spreadsheets, you're already losing money — small businesses and mid-sized companies are exactly who we built Tail Sourcing for.

Tail spend isn't "the rest". It's the opportunity.
Big procurement suites were built for the 20% of spend already under control: master contracts, direct categories, strategic suppliers. The other 80% — one-off vendors, urgent buys, indirect categories — lives in spreadsheets and email. That's where margin bleeds, and that's where Tail Sourcing was built from day one.
- Designed for hundreds of fragmented suppliers, not 20 global accounts.
- AI that reads the messy inputs — invoices, screenshots, quotes — and turns them into structured records your team reviews.
- Deployed in weeks, not years. No seven-figure consulting bills.
Six workspaces. One procurement platform.
12 operational modules across six connected workspaces — from spend visibility to invoices and inventory — plus configuration and access control. No handoffs, no spreadsheets.
Dashboard
Spend, savings and supplier performance in one live view, with AI surfacing what needs attention.
Analytics
Savings opportunities and supplier leaderboards, so every decision starts from evidence.
Sourcing
Suppliers, RFx and global sourcing — qualify, quote and compare without email chains.
Purchases
Catalogs, orders and invoices: from approved request to reconciled payment in one flow.
Operations
Inventory, material requests and surplus — what you hold, what you need and what you can redeploy.
Settings
Approval rules, budgets, roles and your own branding. Configuration, not spreadsheets.
Built for the realities of US mid-market procurement
Fast time-to-value
Startups & Small Business plan goes live in days; Business in 4–8 weeks.
Enterprise security
AES-256 encryption, SSO/SAML, US-based team.
Easy integration
QuickBooks on every plan, NetSuite on Business and Enterprise, plus a flexible REST API.
US-based support
Dedicated success manager on Business and Enterprise plans.

AI builds the short list. Your team closes the deal.
AI-assisted discovery searches for suppliers in your category, normalizes their quotes and assembles the comparison. Every candidate still goes through onboarding and approval before it can receive an order — and the decision stays with you.
- Auto short-list in minutes, with auditable rationale.
- Human negotiation on clean data, not on PDFs buried in email.
- Full traceability of every decision for audit and finance.
Quantify the opportunity before you talk to us
Two calculators built on mid-market procurement benchmarks. No sign-up required.
Join the founding-customer cohort
We are onboarding a small group of design partners. You get pricing, access and influence the next generation won't.
- Founding pricing for 24 months
- Direct line to the product team
- Co-author your case study
Connects with the systems you already use
QuickBooks and NetSuite today, plus a documented REST API and webhooks for custom integrations.
Enterprise customers can have integrations built on request via our REST API and webhooks.
Roadmap items are not available today. Enterprise customers can have any of them built as a custom integration.
All trademarks are property of their respective owners. Logos shown only to indicate compatibility.
Your logo could go here
We're keeping the first cohort small — 8 mid-market US procurement teams. Spots fill on a rolling basis, and we publish each logo only once the team is live and willing.
Frequently asked questions
Tail Sourcing isn't a chatbot or a one-off AI tool — it's a complete procurement platform. We automate the busywork across your full purchasing cycle, while you keep full financial control and your data stays securely yours.
28%
average tail spend reduction in the first 6 months (industry benchmark + early pilot data)
Pick the path that fits your team
Small businesses go live today on the self-serve plan. Mid-market and enterprise teams join the founding cohort by application.
Self-serve for small teams. Founding-cohort onboarding for mid-market and enterprise.
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