Architecture Business Benchmarks: Net Cost per Full Time Equivalent

Most architecture firms know their revenue per person. Far fewer track their net cost per full time equivalent. The asymmetry is a problem because cost per FTE is what determines whether revenue per FTE actually generates profit.

This is a focused deep dive on net cost per FTE: the definition, the calculation, the 2026 benchmark ranges, and the operational levers that move the number.

What net cost per FTE actually measures

Net cost per FTE is the total fully loaded cost of running the firm divided by the number of full time equivalent staff. Fully loaded means everything: salaries, benefits, taxes, overhead, software, rent, insurance.

The number tells you what it actually costs your firm to put one full time architect or engineer on the floor for a year. It is the denominator that determines whether your revenue per FTE produces profit.

The calculation

The formula is simple. The discipline is in capturing the right numbers.

Net cost per FTE = (Total annual operating cost) / (Total FTE count)

Total annual operating cost includes:

• All salaries and wages.
• Payroll taxes and benefits (typically 25 to 35 percent of base salary).
• Rent and facilities.
• Software and IT.
• Insurance (general liability, professional, cyber).
• Marketing and BD.
• Professional services (accounting, legal).
• Depreciation and equipment.
• Continuing education and professional development.

Excludes: principal distributions and any extraordinary one off costs.

FTE count is straightforward but watch the part time conversion. Two half time staff equal one FTE. A principal who is 50 percent billable and 50 percent BD still counts as one FTE.

The 2026 benchmark ranges

Net cost per FTE varies dramatically by firm size, geography, and specialty. Here are the ranges that show up in current industry data.

By firm size

• Sole practitioner: 95K to 140K per FTE.
• 2 to 10 person firm: 110K to 165K per FTE.
• 11 to 50 person firm: 130K to 185K per FTE.
• 51 to 200 person firm: 145K to 210K per FTE.
• 200 plus person firm: 160K to 240K per FTE.

By geography

Major metro markets (NYC, Bay Area, Boston, LA, Seattle) run 20 to 35 percent above the national median. Mid size markets (Denver, Austin, Charlotte) run within 10 percent of the national median. Smaller markets run 10 to 25 percent below.

By specialty

Pure architecture firms run lower. Multidisciplinary firms with structural and MEP run higher because of senior engineer salary loads. Pure engineering firms run highest, especially in geotechnical and forensic specialties.

Why the number rises with firm size

This surprises people. You would expect larger firms to have economies of scale. They do, on a few line items. They lose them on others.

• Senior to junior ratio. Larger firms typically have more senior staff, raising blended cost.
• Real estate. Bigger floor plates often in higher cost markets.
• Software and IT. Enterprise tools cost meaningfully more than SaaS for small firms.
• Compliance and admin. A 200 person firm needs HR, IT, and finance roles that a 10 person firm does not.

This is also why mid size firms (50 to 100 people) often have the worst margins in the industry. They have lost the small firm cost advantage but not yet earned the scale to drive blended cost down.

The four levers that move the number

1. Salary structure

The biggest single component. Most A&E firms have salaries between 50 and 65 percent of total cost. A 5 percent shift on this line moves cost per FTE meaningfully.

The lever is not "pay less." It is the senior to junior ratio. A firm with 30 percent senior staff has a different cost per FTE than a firm with 50 percent.

2. Real estate

Rent is typically 8 to 14 percent of total cost. Hybrid work and right sizing have moved this number down 10 to 20 percent in many firms over the past three years.

3. Software stack

Software has grown from 2 to 4 percent of cost in 2018 to 5 to 9 percent in 2026. Firms that audit their stack annually find 20 to 30 percent of unused or duplicated subscriptions.

4. Outsourcing strategy

Some firms are moving production work to lower cost geographies or contract teams. Done well, this can drop cost per FTE by 10 to 15 percent. Done poorly, it adds management overhead that eats the savings.

How net cost per FTE relates to revenue per FTE

The two numbers are interdependent. The healthy ratio is revenue per FTE between 1.5 and 1.8 times net cost per FTE.

• Below 1.3x: structural problem. The firm cannot pay itself without leaning on the principal.
• 1.3 to 1.5x: thin. Profit exists but the firm is fragile.
• 1.5 to 1.8x: healthy. Profit is meaningful and the firm can invest.
• Above 1.8x: exceptional. Either the firm is highly productive or it is under investing somewhere.

Net revenue per FTE is the companion metric. The two together are how you read the financial health of an A&E firm in two numbers.

How to track it without making it a project

You do not need a custom dashboard. The number can be computed quarterly from your existing P and L plus a headcount column.

1. Pull the trailing four quarter operating cost from accounting.
2. Pull the average FTE count for the same period.
3. Divide.
4. Compare against the prior four quarters and the benchmark range for your firm size.

30 minutes a quarter. Better than 90 percent of firms ever attempt.

The five most common mistakes

• Excluding partner draws but including partner salaries inconsistently. Pick a method and stick to it.
• Ignoring software and IT growth. The line item that has grown fastest in five years.
• Comparing against the wrong benchmark. A 200 person firm comparing to small firm averages will look great until it isn't.
• Tracking quarterly variance without context. Single quarter swings rarely matter. Trend over four quarters does.
• Optimizing without coordinating. Cutting cost without adjusting revenue per FTE leaves you running a leaner version of the wrong firm.

The 12 month plan

Compute the number this quarter. Set a 12 month target based on your benchmark band. Audit the four levers. Pick the lever with the most upside. Make changes. Recompute quarterly.

The firms that track this number consistently outperform peers on margin every year. Net cost per FTE belongs on the same dashboard as utilization, realization, and net multiplier. Most firms still leave it off.