The retainer was scoped at eight hours. It’s running at fourteen.

Scope drift is the only form of price erosion that never shows up in the price, which is exactly why it survives so long.

Abstract bridge artwork for The retainer was scoped at eight hours. It’s running at fourteen.

A discount is loud. Someone has to ask for it, someone has to approve it, and it lands in the invoice where finance can see it. Scope drift is silent. The invoice stays at £1,600 a month. The work quietly becomes fourteen hours instead of eight. Nobody decided anything, nobody signed anything, and the realised price has fallen by more than 40% without a single conversation about price. This is the most under-diagnosed margin problem in recurring service businesses, and it survives because every system in the business is looking…

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