A fixed price IT rollout moves the sharpest project risk, cost blowout, from your budget to your provider's. Time-and-materials pricing bills you for every surprise; fixed pricing makes surprises the provider's problem. That difference changes behaviour on both sides of the contract, mostly for the better.
Under time and materials, inefficiency is revenue. Nobody sets out to pad hours, but nobody races to prevent them either: every revisit, every idle crew waiting on late freight, every discovery on site gets invoiced. The commercial gravity pulls gently toward more billable time.
Under fixed price, the provider profits by being efficient. Revisits come out of their margin, so audits get thorough, staging gets deep and first-visit success gets managed like the financial metric it is. The commercial gravity now points the same direction as your interests.
Fixed pricing works when scope is knowable, and providers who quote fixed without doing the work to know it are gambling with your schedule. A credible fixed quote sits on three legs:
Audited scope. Per-site data, not head-office assumptions. Expect a provider to audit before they commit, or to price the audit as a defined first phase.
A written scope boundary. Exactly what's included per site, and a rate card for what isn't. Fixed price without a boundary becomes an argument at site 60.
A change process. Real estates change mid-program: sites close, formats vary, scope shifts. Fixed pricing survives when changes are priced by rule rather than renegotiated by email thread.
Discovery-heavy work resists it. If nobody knows the estate's condition, a fixed quote either carries a fat risk premium (you overpay) or a thin one (the provider cuts corners when reality bites). The mature structure: fixed-price the audit phase, then fixed-price delivery against what the audit found.
Hybrid models also work: fixed per-site rates with defined site categories, so a small store and a flagship each carry an honest number and the total flexes with the mix.
Providers with real fixed-price experience answer instantly, because they've absorbed the lessons those questions encode. Our thinking on partner selection covers more of these tells in how to choose an IT deployment partner.
Want a number that stays a number? Speak to an expert.

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