Are fixed price projects riskier for the client or the agency?
Short answer
With a precise scope, fixed price is riskier for the agency, because it absorbs every hour beyond its estimate. With a vague scope, the risk moves to the client, because the agency can deliver the narrowest reading of each line. The scope document decides who carries the risk, not the pricing model.
By Kailesk Khumar, founder of HouseofMVPs. Last reviewed .
Who carries which risk
| Risk | Fixed price | Time and materials |
|---|---|---|
| The work takes longer than estimated | Agency | Client |
| A feature was described vaguely | Client | Client |
| The client changes its mind | Client, through a change quote | Client, through more hours |
| A third party API behaves unexpectedly | Usually agency, unless excluded | Client |
| The product is late | Agency, if payment waits for delivery | Client |
How agencies protect themselves, and what to watch for
- A buffer in the price. Normal, and the reason a fixed quote can look higher than an hourly estimate.
- A tight scope. Good for both sides when it is precise.
- Quality cut to hit the number. This is the real client risk. Guard against it with acceptance criteria and a staging link early in the build.
- A long list of exclusions. Read it. Reasonable exclusions are specific. Unreasonable ones cover anything that might be hard.
How to make it fair for both sides
Tie payment to delivery so the agency is motivated to finish. Write acceptance criteria so you can tell whether a feature is done. Agree a change process so new ideas have a price. With those three in place the model is balanced: the agency carries the execution risk it can control, and you carry the decisions you control.
How HouseofMVPs handles this
We accept the estimate risk. The price is fixed at signature, 50% is due only on delivery, and a staging link arrives by day 5 so you can check quality while there is still time to correct it. If the date slips, that delays our payment and costs you nothing extra.
Get a written scope and fixed priceRelated questions
Why do some agencies refuse fixed price work?
Because the risk sits with them. Agencies built around hourly billing earn more when a project runs long, and a fixed price removes that. An agency that offers fixed prices has to be good at scoping, which is useful to you.
Does fixed price lead to lower quality?
It can if nothing in the contract defines quality. Acceptance criteria per feature, an early staging link and a support period after launch are the protections. With them, the agency cannot hit the price by cutting what you were promised.
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