The business OS · Buying

Why this vendor,
on what comparison.

One inquiry goes to the vendors who can actually supply it, their quotes come back through a portal they do not need an account for, and the comparison is arithmetic before it is an opinion — with the reason you picked whoever you picked written down beside the order.

The question asked months later. Usually by an auditor or a partner, and usually about a decision nobody wrote down.

The request

Asked of the vendors who can supply it.

One inquiry, many vendorsThe same request to everyone you want quoting, so the replies are comparable by construction rather than by re-typing.
A portal, not a loginVendors answer through a tokenised link — no account to create, no password to reset, nothing to chase before quoting starts.
Only their own lineA vendor sees the items they were asked about and their own quote. Not the other vendors, and not their prices.
Your item namesA master list with synonyms and per-vendor names, so the same part quoted under three descriptions still lands in one row.
The comparison

Arithmetic first, opinion clearly labelled.

DeterministicLowest per item and lowest total, computed from the quotes. No weighting and no interpretation — the number that is simply true.
WeightedPrice, quality and delivery against weights your tenant sets, forced to total a hundred so nobody can quietly tune it to a chosen answer.
QualitativeThe trade-off explained in words, with a confidence attached — and never on its own.
The award

Cheapest overall is often nobody.

Split per lineOne vendor rarely wins everything. Splitting the order is normal buying, so it is a feature rather than a workaround.
The reason is storedAn override is recorded with why, which is the part that answers the question later.
Straight into the booksThe award becomes a purchase order in Accounts, so the commitment reaches the ledger without re-entry.
Nearby

Related capabilities.

Purchase orders · Vendor bills · Procurement overview

A decision with its reasoning attached.

The comparison, the weights and the override reason stay with the order.

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