Consultant Invoicing 2026: Only 29% Still Bill Hourly [Data]

Key Takeaways

Only 29% of independent consultants still bill purely by the hour; project-based rates are now the single most common model, used by 30% (Consulting Success, Consulting Fees Study, ~1,000 consultants, 75+ countries).
Among consultants who do bill hourly, 39% charge $100 to $250 an hour, while a combined 4.5% bill above $500 an hour (Consulting Success).
IEEE-USA’s 2025 Consultants Fee Survey found median technical-consulting rates ranging from $175 an hour in the West North Central US to $235 in the Mountain region, with rates plateauing in 2025.
The US Bureau of Labor Statistics counted 1.1 million management consultant jobs in 2024, projected to grow 9% by 2034 (BLS Occupational Outlook Handbook).
29% of freelance and consulting invoices are paid at least one day late, based on an analysis of more than 100,000 freelancers over three years (Bonsai).
79% of consultants are actively looking to raise their fees, and 38% already earn $10,000 or more per month (Consulting Success).

Only 29% of independent consultants still bill by the hour in 2026. Consulting Success’s Consulting Fees Study, which surveyed nearly 1,000 consultants across 75-plus countries, found project-based pricing has become the industry’s single most common billing model instead. This guide covers how consultants actually charge, what they earn, and how often they get paid on time.

How do consultants actually bill their clients in 2026?

Just 29% of independent consultants bill purely by the hour in 2026. According to Consulting Success’s Consulting Fees Study, project-based pricing has overtaken hourly billing as the single most common model, used by 30% of respondents. Monthly retainers account for another 16%, value-based pricing, fees tied to a measurable business outcome rather than time spent, makes up 15%, and daily rates cover 10%.

Figure 1: How independent consultants price their engagements. Source: Consulting Success, Consulting Fees Study (approximately 1,000 consultants, 75+ countries).

The shift away from pure hourly billing tracks with how consultants talk about their own careers. In the same study, 79% of respondents said they are actively looking to raise their fees, and 38% already earn $10,000 or more per month from consulting work. Consultants who move to project, retainer, or value pricing are not just changing how an invoice is calculated; they are changing what the invoice represents. An hourly invoice bills for time. A project or value-based invoice bills for a result, and Consulting Success’s data suggests that shift correlates with larger typical deal sizes, with consultants using value-based fees more likely to land engagements worth $10,000 or more than consultants billing purely by the hour. For a business that sends invoices for a living, that single pricing decision is doing a lot of work before the invoice ever reaches a client’s inbox.

How much do independent consultants charge per hour?

Among the 29% of consultants who still bill hourly, most cluster in the middle of the market rather than at the extremes. Consulting Success’s Consulting Fees Study found 39% of hourly billers charge between $100 and $250 an hour, 19% charge $250 to $500, and 12% charge under $100. Only a small group commands premium rates: 4% charge $500 to $1,000 an hour, and just 0.5% bill above $1,000.

Figure 2: Hourly rate distribution among consultants who bill by the hour. Source: Consulting Success, Consulting Fees Study.

Those figures sit close to broader industry benchmarks. General management consulting hourly rates commonly run from roughly $75 for consultants early in their career up to $175 to $325 for consultants with 15 or more years of experience, and specialized fields push higher still: consultants working in cybersecurity, cloud computing, or AI frequently bill $150 to $300 or more an hour, and senior technical consultants in finance or healthcare can reach $200 to $250-plus. The spread matters for invoicing in a practical way: a consultant whose rates span a wide hourly range needs an invoice template flexible enough to itemize mixed engagements, several rate tiers on one project, or a day rate blended with a retainer top-up, without the document looking improvised.

Do consulting rates differ by region?

Yes, and the spread is wider than a single national average would suggest. IEEE-USA’s 2025 Consultants Fee Survey Report, an annual survey of independent technical and engineering consultants, found median hourly rates ranging from $175 in the West North Central US to $195 in the West South Central region and $235 in the Mountain region, the highest of any region tracked.

Figure 3: Median hourly consulting rates by US region, 2025. Source: IEEE-USA, Consultants Fee Survey Report, 2025 Edition.

IEEE-USA’s report also found that rates plateaued in 2025 after two consecutive years of gains from 2023 to 2024, with the median rate charged by full fee-based consultants unchanged year over year. That plateau matters for how consultants invoice across state lines: a consultant serving clients in both a high-rate region and a lower-rate one cannot rely on a single flat hourly figure on every invoice without either underpricing premium markets or pricing themselves out of others, which is part of why the industry-wide shift toward project and value-based pricing described above sidesteps the problem by billing for the deliverable instead of the location.

How many consultants are there, and how fast is the field growing?

The US Bureau of Labor Statistics counted about 1.1 million management analyst jobs in 2024, the BLS’s official occupational category for management consultants. Employment in the role is projected to grow 9% between 2024 and 2034, well above the average across all occupations, with roughly 98,100 openings projected each year on average over the decade. The median pay for the occupation was $101,190 in 2024.

Figure 4: US management consultant employment. Source: U.S. Bureau of Labor Statistics, Occupational Outlook Handbook, 2024 data.

That growth is not confined to salaried roles. MBO Partners’ 2025 State of Independence in America report separately found the number of full-time independent professionals, workers who treat self-employment as their primary income source rather than a side project, has roughly doubled since 2020. Combine a growing employee-side occupation with a growing independent one and the practical result is more consulting invoices moving through more inboxes every year, each one needing to hold up on its own: correct rate, correct scope, and clear enough that a client’s accounts-payable team does not bounce it back for clarification.

How much unbilled work do consultants lose to scope creep?

Scope creep is a billing problem before it is a project-management problem: work performed outside the original agreement often never makes it onto an invoice at all. PMI’s 2018 Pulse of the Profession study, the most recent point-in-time figure the Project Management Institute has published specifically on this measure, found 52% of projects completed in the prior 12 months experienced scope creep or uncontrolled changes to scope, up from 43% five years earlier.

For a consultant working hourly or on a fixed project fee, unbilled scope creep can be a bigger threat to revenue than a late-paying client, because a late invoice still eventually gets collected, while unbilled work never becomes an invoice in the first place. The practical fix sits upstream of collections: every scope change needs its own line item, whether that means a supplemental invoice, an updated retainer, or a revised project quote, rather than folding extra hours into the next regular bill and hoping the total does not raise questions.

How often do consultants get paid late?

Consultants share the same late-payment exposure as any other invoiced business, and the data suggests it touches close to a third of their invoices. Bonsai’s invoice-level analysis of more than 100,000 freelancers over a three-year period found 29% of all freelance invoices, a category that includes independent consulting work, are paid at least one day late.

Figure 5: Share of freelance and consulting invoices paid at least one day late. Source: Bonsai, invoice-level analysis of 100,000+ freelancers.

The frequency of late payment looks worse once it is measured by experience rather than by invoice. Remote’s State of Freelance Work 2025 report found 85% of freelancers say clients pay them late at least some of the time, and 21% say it happens more than half the time. Separately, an industry compilation of freelance payment data from Jobbers.io found 63% of freelancers wait more than 30 days to get paid at least occasionally. None of that is unique to consulting, but it lands differently for consultants specifically because so much of their billing already runs on custom, one-off invoices rather than a repeating subscription charge: every invoice is a fresh negotiation with a client’s accounts-payable process, and every fresh negotiation is a new chance for the payment to slip. The broader late-payment problem affecting invoiced B2B sales generally applies to consulting engagements just as much as it does to product invoices.

Consultant Billing Models at a Glance

The five pricing models used by independent consultants differ sharply in structure and who they suit best:

Billing Model	Share of Consultants	Typical Structure	Best For
Project rate	30%	Fixed fee for a defined scope	Well-scoped, clearly bounded deliverables
Hourly rate	29%	Per hour worked, most commonly $100-$250/hr	New clients, undefined or evolving scope
Retainer	16%	Fixed monthly fee for ongoing access	Long-term advisory relationships
Value pricing	15%	Fee tied to a measurable business outcome	High-impact, outcome-driven engagements
Daily rate	10%	Fixed fee per day, on-site or embedded	Short, intensive engagements

Table 1: Consultant billing models compared. Source: Consulting Success, Consulting Fees Study.

The Bottom Line

The consulting profession has moved on from the billable hour faster than most outsiders realize: just 29% of independent consultants still price their work that way, and the ones earning the most have largely moved to retainers and value-based fees instead. But the billing model a consultant chooses only pays off if the resulting invoice actually gets paid, and on that front consultants face the same friction as every other invoiced business: close to a third of freelance and consulting invoices go out at least a day late, per Bonsai’s data, and management consulting is one of the fastest-growing professional occupations tracked by the BLS, so the volume of invoices at stake keeps climbing every year. A BillyPaid invoice supports hourly, project, retainer, and daily-rate line items on the same template, with a payable link and automated reminders built in by default, so switching pricing models does not mean switching how you get paid.

Frequently Asked Questions

What percentage of consultants still bill by the hour?

Just 29% of independent consultants bill purely by the hour in 2026, according to Consulting Success’s Consulting Fees Study of nearly 1,000 consultants across more than 75 countries. Project-based rates have become the single most common model at 30%, followed by monthly retainers (16%), value pricing (15%), and daily rates (10%).

How much do consultants charge per hour?

Among consultants who still bill hourly, 39% charge between $100 and $250 an hour, 19% charge $250 to $500, and 12% charge under $100, per Consulting Success’s Consulting Fees Study. Regionally, IEEE-USA’s 2025 Consultants Fee Survey found median technical-consulting rates ranging from $175 an hour in the West North Central US to $235 an hour in the Mountain region.

How many management consultants are there in the US?

The US Bureau of Labor Statistics counted about 1.1 million management analyst, the BLS term for management consultant, jobs in 2024, with employment projected to grow 9% by 2034 and roughly 98,100 openings a year, much faster than the average occupation.

How often do consultants get paid late?

29% of all freelance and independent-consultant invoices are paid at least one day late, based on Bonsai’s invoice-level analysis of more than 100,000 freelancers over three years. Separately, Remote’s State of Freelance Work 2025 report found 85% of freelancers experience late payment at least some of the time.