As far as my Knowledge and understanding goes here is the list.
1. Time and Material-Based Model
Case Scenario: A software development firm creates a custom app with evolving requirements for a client.
Example Standard Term: "Hourly rates and material costs shall be invoiced monthly, with prior approval required for any additional charges."
Example Clause: "The Contractor will charge $120/hour for development services, with materials billed at actual cost plus a 10% administrative fee. Invoices will be sent monthly."
Pros:
Flexibility for changing project requirements.
Transparency in billing for actual work done.
Cons:
Costs can escalate if not closely monitored.
Clients may prefer more predictable expenses.
2. Fixed Price Model
Case Scenario: A construction company builds a commercial office based on defined plans.
Example Standard Term: "The project cost is fixed and non-adjustable, based on the agreed scope of work and schedule."
Example Clause: "The total project fee is fixed at $450,000, payable in three installments: 40% upon contract signing, 30% upon structural completion, and 30% upon final delivery."
Pros:
Predictable costs for clients.
Incentivizes the contractor to work efficiently.
Cons:
Difficulties arise if the scope changes mid-project.
Higher risk for the contractor if costs exceed estimates.
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