TL;DR
- GPOs generally use one of three payment models: member-pays, supplier-pays, or a hybrid of both.
- Una runs on the supplier-pays model; no onboarding fee, no annual dues, no per-transaction charge. Free means free.
- Hidden costs in other GPOs often show up as minimum purchase requirements, long-term lock-in contracts, category exclusivity, or tiered access based on volume; Una has none of these.
- Members can cancel anytime with no penalty and choose which contracts to use category by category, with no participation obligations.
- Suppliers pay because pooled GPO demand gives them predictable volume they'd otherwise have to chase account by account; Una's incentives align with member savings, not against them.
- The real "catch" is scope, not cost: horizontal GPOs like Una only cover indirect categories, not highly specialized or strategic direct spend — and a transparent GPO will say so upfront.
- Una members save an average of 18–22% across major indirect categories with no fees or minimums.
Procurement pros have a good nose for a dodgy deal. Years of reading supplier contracts for the clause buried on page 40 will do that to a person. So when someone says a group purchasing organization membership is free, the instinct is suspicion, and a single question: what's the catch?
GPO Member Models: Who's paying For This, Really?
Every business model has a payer somewhere. GPOs generally fall into one of three setups, and knowing which one you're looking at answers most of the suspicion in one go.
- Member pays. Some GPOs charge directly, through onboarding fees, annual dues, or participation fees tied to spend volume. These reduce your net savings dollar for dollar, so a strong negotiated price still needs to clear that extra cost before it's worth it.
- Supplier pays. This is the more common model, and the one worth understanding properly. When a purchase happens through a GPO contract, the supplier pays the GPO an administrative fee, usually a small percentage of the transaction value. In healthcare GPOs, where this model originated, that fee typically runs between 1.22 and 2.25 percent of contract value. The member pays nothing extra at the point of sale. The fee comes out of the supplier's side of the transaction, funded by the volume the GPO brings them, not by a markup passed on to you.
- Hybrid. Some GPOs combine both, a smaller membership or participation fee alongside supplier admin fees, often to fund additional services beyond the core contract access.
Una runs on the supplier-pays model. Membership costs nothing to join, nothing to maintain, and nothing per transaction. There's no onboarding fee, no annual due, and no charge layered on top of what the supplier already pays. Free means free, full stop.
Where Do Hidden Costs Usually Hide?
- Minimum purchase requirements. A membership advertised as free that quietly requires a set spend threshold, with penalties or reduced benefits if you fall short.
- Long-term commitments. Contracts that lock you in for a fixed term, making it costly or difficult to leave even if the fit turns out to be wrong.
- Category exclusivity. Some GPOs require members to route all spend in a category through their contracts, removing your ability to use a better deal elsewhere if one comes up.
- Tiered access. Better pricing or broader category access reserved for members who hit certain volume levels, with everyone else getting a thinner version of the deal.
Una has none of these. Every member gets full access to the same contracts and the same support, regardless of size or spend.
Can I Walk Away?
A membership with no exit isn't really free either, it's just a cost you haven't hit yet. Some GPOs lock members into long-term agreements or require volume commitments across categories members might not need. Una members choose which contracts to use, category by category, with no obligation to participate beyond what's actually saving them money. Cancel any time, with no penalty.
Why Would a Supplier Agree to Pay for This?
Because it's a good trade for them too. A GPO brings pooled demand across its full membership base, which means a supplier signing a GPO contract gets access to volume it would otherwise have to chase account-by-account.
The administrative fee is a small price for a predictable, larger customer base, and Una uses that fee to fund its services, negotiating contracts, vetting suppliers, and supporting members, rather than passing any of it back to members as a cost. In short, Una makes money by saving you money. The incentive runs in the same direction as yours: the more members save and the more they buy through the contracts, the more the model works for everyone in it.
So What's the Actual Catch?
This is more of a scope boundary than a catch. A GPO's contracts only cover the categories in its portfolio, so horizontal GPOs like Una won't touch anything highly specialized or strategic to your business, direct materials or custom services, for instance. A transparent GPO will tell you that upfront rather than let you assume broader coverage than it really offers.
Beyond that, our fee structure itself holds up under scrutiny. No markup passed to members, no minimum purchase requirement, no penalty for stepping back, and full control over which contracts get used. Una members save an average of 18 to 22% across categories like technology, shipping, office supplies, food, travel, and facilities maintenance, without paying a cent to access any of it.
GPO Evaluation Playbook
When you're evaluating a GPO, ask the same questions this article just answered. How does it make money? What hidden costs might be attached? Can you walk away without cost? A GPO that answers all three clearly, in writing, before you sign anything, is one where free actually means free.
Want to learn more about evaluating group purchasing organizations? Check out Una's latest playbook today.
