Pricing Mechanics
Change Order
A formal, priced amendment to a project's scope, timeline, or budget that converts out-of-scope work into billed revenue instead of absorbed cost.
Definition
A change order is the single most important contractual tool for preventing margin loss from scope creep. It transforms an informal client request into a documented, priced, and approved amendment to the original agreement. Without a change-order process, every "small additional request" is a direct margin deduction.
Effective change orders include: (1) a clear description of the requested change and its impact on scope; (2) the additional cost (hours or fixed fee); (3) timeline implications; (4) signature or approval field; and (5) a note that work on the change begins only after approval.
Agency research consistently shows that firms with a formal change-order process experience 60-70% less margin erosion from scope creep than those operating informally. The process doesn't need to be bureaucratic — a structured email template with price, scope delta, and approval required is sufficient for projects under €50k.
ScopeMetrix includes change-order templates in every Pricing Architecture Audit playbook as part of the proposal templates deliverable.
Related terms
Scope Creep
The uncontrolled expansion of project deliverables beyond the originally agreed scope, typically without corresponding adjustments to budget or timeline.
Margin Leakage
The gradual, often invisible erosion of project profitability caused by underpricing, scope creep, uncontrolled discounts, and inefficient delivery — typically amounting to 15-25% of annual margin.
Risk Premium
The additional margin built into a fixed-price quote to compensate the agency for the probability of scope overrun, uncertainty, and unforeseen complications.
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