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Fixed-price contract

Contract whose price does not change based on incurred costs

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Through Contract, Profit (accounting) and Insurance

Fixed prices can require more time, in advance, for sellers to determine the price of each item. However, the fixed-price items can each be purchased faster, but bargaining could set the price for an entire set of items being purchased, reducing the time for bulk purchases. Also, fixed-price items can help in pre-determining the value of an inventory, such as for insurance estimates.

Such contracts continue to be popular despite a history of failed or troubled projects, although they tend to work when costs are well known in advance. Some laws mandate a preference for fixed-price contracts, however, many people maintain that such contracts are actually the most expensive, especially when the risks or costs are unknown in advance.

According to the Project Management Body of Knowledge (7th edition) by the Project Management Institute (PMI), fixed-price contract is an "agreement that sets the fee that will be paid for a defined scope of work regardless of the cost or effort to deliver it".

Contract types

The United States' Federal Acquisition Regulation (FAR) provides for the following types of contract with a fixed price element:

  • Firm-fixed-price contract (FAR 16.202)
  • Fixed-price contract with economic price adjustment (FAR 16.203)
  • Fixed-price contract with prospective price redetermination (FAR 16.205)
  • Fixed-ceiling-price contract with retroactive price redetermination (FAR 16.206)
  • Firm-fixed-price, level-of-effort term contract (FAR 16.207)
  • Fixed-price incentive contract (FAR 16.403)
  • Fixed-price incentive (firm target) contract (FAR 16.403-1)
  • Fixed-price incentive (successive targets) contract (FAR 16.403-2)
  • Fixed-price contract with award fees (FAR 16.404).

Economic price adjustment may take account of increases or decreases from an established and agreed-upon price level, actual costs or a price index.

Firm Fixed Price Contract (FFP)

According to the PMBOK (7th edition) by the Project Management Institute (PMI), Firm Fixed Price Contract (FFP) is a "fixed-price contract where the buyer pays the seller a set amount (as defined by the contract), regardless of the seller's costs". The contractor or vendor usually bears all the risk of cost increases, although guidance such as that issued by the US Department of Defense may allow for specific circumstances "where an accommodation can be reached by mutual agreement of the contracting parties, perhaps to address acute impacts on small business and other suppliers".

Fixed Price Economic Price Adjustment Contract (FPEPA)

According to the PMBOK (7th edition) by the Project Management Institute (PMI), Fixed Price Economic Price Adjustment Contract (FPEPA) is a "fixed-price contract, but with a special provision allowing for predefined final adjustments to the contract price due to changed conditions, such as inflation changes, or cost increases (or decrease) for special commodities".

Fixed Price Incentive Fee Contract (FPIF)

According to the PMBOK (7th edition) by the Project Management Institute (PMI), Fixed Price Incentive Fee Contract (FPIF) is a "type of contract where the buyer pays the seller a set amount (as defined by the contract), and the seller can earn an additional amount if the seller meets the defined performance criteria".

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