Glossary · Product and development

What is a fixed-price contract?

A fixed-price contract is an agreement in which the supplier delivers an agreed scope of work for a price set in advance, whatever time it actually takes. Changes to the scope are priced separately, as change requests.

Also called: fixed price

Why it matters

A fixed price moves the risk of overruns from you to the supplier and gives you a number you can budget around. It only works if the scope is written down clearly first, which forces both sides to agree what done means. A vague scope turns into endless extra charges.

1Scope comes firstFeatures, screens, integrations with 1C or Kaspi and acceptance criteria are written down before the price is set.
2Change requestsNew ideas during the project are estimated and approved separately, so the original price holds.
3Vs time and materialsTime and materials bills the hours actually spent, which suits work whose scope cannot be fixed yet.
ExampleA training centre in Almaty wants a booking portal for its courses with payment through Kaspi. The supplier describes every screen and the payment flow, quotes a fixed price and splits the work into stages, each closed with an acceptance certificate. When the centre later asks for a waiting list, it gets a separate quote, and the original price stays as agreed.
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