Determining your billing rate is one of the most crucial decisions for any independent contractor or consultant. Ideally, it should align with the income you need, the market value of your services, and the value you deliver to your clients.
Once you calculate your billing rate, you also need to decide how to bill—hourly, by project, or using a hybrid model.
Three basic methods for deciding on a billing rate are cost-based, market-based, and value-based.
Cost-based pricing looks at your total costs—labor, taxes, benefits, and overhead. Market-based pricing is driven by supply and demand and takes your competition into account. Value-based pricing reflects the return on investment your client gets from working with you. It can be the most profitable approach, but requires a strong case for the value you deliver.
Whichever method you choose, you’ll need to factor in your costs, billable hours, and profit targets.
To determine which type of billing rate is right for you, check out MBO’s comprehensive bill rate guide. Below is a summary of your billing options.
With hourly billing, you track your time, log completed tasks, and invoice your client based on your agreement. This model works best when project scope is not fully defined.
Pros
Hourly billing works well for shifting or uncertain scopes. It supports ongoing communication and provides protection against
scope creep, assuming the contract defines boundaries clearly.
Cons
It requires accurate time tracking and can create friction if invoices exceed client expectations.
Fixed-price billing sets one price for the entire project, typically tied to defined deliverables and milestones.
Pros
This model provides clarity for both parties when scope is well defined and supports predictable budgeting.
Cons
It requires strong scoping and estimating skills. Without a clear scope of work, you risk underpricing. Many contractors also build in a contingency buffer or contingency reserve to reduce financial risk.
Hybrid billing combines hourly and fixed pricing, often with a not-to-exceed cap.
Pros
This model works well when scope is loosely defined but budgets still matter. Clients benefit from cost certainty while contractors retain flexibility.
Cons
Setting the cap too low can lead to unpaid work. Clear scope boundaries are essential.
Learn More: Get Paid What You're Worth: How Independent Contractors Should Set Their Rates
Hourly billing is often the easiest starting point because it is simple to explain and easier to manage without advanced estimating experience.
Yes, but it requires a formal contract update and clear communication with the client.
Include a scope change clause that defines how additional work will be approved and priced.
A common range is 10–20%, depending on project complexity and uncertainty.
Benchmark against peers in your field using industry research, freelancer communities, and professional networks.
For more support, explore MBO Partners’ resources for independent professionals, including insights on pricing, client growth, and business strategy.