Recruiting Agency vs In-House: The Real Cost to Hire Through a Recruiter

Hiring through a contingency recruiter typically costs 20% to 25% of the hire's first year base salary. On a $140,000 role that is roughly $28,000 to $35,000, invoiced when the person starts. Retained and executive search usually runs 25% to 33%, billed in installments whether or not the search closes.

That fee is the number everyone argues about. It is rarely the biggest number in the stack. The two costs sitting underneath it are what the open role costs you every day it stays open, and the internal hours your team burns running the process. Put all three in one place and the agency versus in-house debate stops being a matter of taste and becomes arithmetic you can do in ten minutes.

Cost one: the fee you can see

Contingency is 20% to 25% of first year base for most professional roles, higher for hard-to-fill engineering and sales leadership. Retained is 25% to 33% with a third up front. Some contracts calculate the fee on total first year compensation rather than base, which quietly adds a few thousand dollars to any role with a bonus attached. Check which one your agreement says.

Two clauses worth reading before you sign anything else:

• The guarantee period. Thirty to ninety days is common. Ask whether a departure inside that window gets you a refund or a replacement search. Replacement-only means you pay again in calendar time even if you do not pay again in cash.
• Candidate ownership. If the firm introduced someone two years ago, some agreements still claim a fee when you hire that person later through your own pipeline.

The fee is the honest part of the model. You pay on success. Nothing else in this post is that clean.

Cost two: what the role costs while it sits open

This is the number most hiring plans never write down, and it is usually larger than the fee.

Start with your own days to fill, measured from the day the role was approved to the day the offer was accepted. Use your last five hires. If you cannot produce that number, you have already found the most expensive problem in your process.

For a revenue-producing role the daily cost is straightforward. Take annual gross profit, divide by employees, divide by 260 working days. A 50-person company doing $20M at 50% gross margin carries about $770 of gross profit per person per working day. Forty-five working days with that role open is roughly $34,600 of production that did not happen, which is more than the fee on the same hire.

For a role that does not touch revenue directly, price the work that is not getting done: the launch that slips a quarter, the overtime the rest of the team absorbs, the director doing an individual contributor's job at a director's loaded rate. Put a dollar figure on it even if the figure is rough. A rough number in the model beats a precise number nobody calculated.

Then add the part nobody warns you about. Contingency recruiters work the roles most likely to close, because that is how they get paid. If your role is niche, geographically awkward, or paying under band, it drifts to the bottom of the stack while you assume work is happening.

Cost three: the internal hours nobody invoices

An agency does not sit in your interview loop. Build the tally for your last search:

• Intake and briefing calls
• Resume review, including the ones that were never close
• Recruiter or manager screens
• The loop itself: every interviewer, every round, every candidate
• Debriefs and chasing scorecards
• Offer approval, negotiation, references, background check

Four interviewers times four candidates times one hour is sixteen hours before you count anyone's prep or the twenty minutes each of them loses switching context. Multiply the total by a loaded hourly rate for the people involved. Even a disciplined loop lands in the tens of hours per role, and those hours cost the same whether you paid a fee or not.

Run the numbers on one role

Here is the full stack on a single $140,000 hire, filled in 45 working days through a contingency firm at 22%:

• Fee: $30,800
• Vacancy: about $34,600 at $770 per working day
• Internal time: 40 to 60 hours at your loaded rate

The fee is not the expensive part. The calendar is. Which means only two levers matter, what you pay per hire and how fast the role closes, and any comparison that looks at the first one alone is incomplete.

Where the agency model genuinely wins

Be fair to it, because on the right role it is the correct answer.

• You hire once or twice a year. Nothing beats paying only when someone starts.
• The search is confidential, or it is a replacement for someone still in the job.
• It is an executive hire where discretion and a warm off-market approach matter more than volume.
• The role sits in a niche where one specific recruiter has spent a decade building a live network you cannot replicate in a quarter.
• You have no internal recruiting function and no plan to build one.

Across eight years and more than 1,000 placements, plenty of the searches we have run were exactly that shape. One hard hire, done once, paid on success.

Where a flat subscription wins

The model changes when hiring stops being one-off. A flat monthly subscription covers a set number of concurrent open roles instead of charging per hire, so cost stops scaling with salary and starts scaling with how many roles you are actually running.

The break-even is easy to calculate, and it does not depend on anything you have to take on faith:

• $3,000 a month is $36,000 a year across three concurrent roles. Against a $30,800 fee, it pays for itself just past the first hire.
• $5,000 a month is $60,000 a year across five concurrent roles. Two hires.
• $10,000 a month is $120,000 a year across ten concurrent roles. Four hires.

Everything past break-even is money you keep, and the per-role figure gets harder to ignore the more roles you run. Five concurrent roles at $5,000 a month is $1,000 per role per month.

The calendar side matters more. Under a fee model, searches tend to run in sequence, because each one is its own negotiation and its own invoice. Under a seat model, roles two, three and four do not wait in line behind role one. Sourcing runs on all of them at once, and the pipeline stays yours instead of resetting with every engagement.

Two honest caveats. You pay in a month where you hire nobody, which contingency never asks of you. And there is a 90-day notice period, so this is a decision about the next few quarters, not the next few weeks. If your hiring genuinely stops and starts, the fee model can be the cheaper one, and anyone selling you the subscription should say that out loud.

The decision rule

Take last year's recruiting invoices and divide by hires made. Then take your realistic open role count for the next two quarters. Three or more roles running at once and more than two expected hires, and the subscription wins on both axes, dollars and days. One search, pay the fee and get on with it.

If you land in the middle, the tiebreaker is usually whether the same roles keep coming back. Recurring roles reward an owned pipeline. One-time roles do not.

If you want to see the sourcing and outreach side of this without a per-hire fee attached, that is what AI Talent Partner is: the engine recruiting firms run their own desks on, available to employers directly as a flat monthly subscription. If you want to run this arithmetic against your actual open roles, I am glad to do it with you, including the cases where paying an agency fee is still the right call.

FAQ

How much does it cost to hire through a recruiter?

Contingency firms typically charge 20% to 25% of the hire's first year base salary, payable when the candidate starts. Retained and executive search usually runs 25% to 33%, billed in installments across the search. On a $140,000 role that is roughly $28,000 to $46,000 depending on the model, before you count vacancy cost and internal hours.

Is a recruiting subscription cheaper than paying agency fees?

It depends on volume, and the break-even is easy to check yourself. A $3,000 monthly subscription is $36,000 a year, so it pays for itself just past a single $30,800 fee on a $140,000 hire. Below one or two hires a year, contingency is usually the better economics and you should use it.

What does an open role actually cost per day?

Divide annual gross profit by employees, then by 260 working days, and you have a per-person-per-day figure. In the example above that came to about $770 a day, which means a 45-day search cost more in lost production than the recruiting fee did. Run it for your own numbers before you argue about fee percentages.

---

Related reading: most of what an agency fee buys is access to people who are not applying, and why the best candidates never apply covers how to reach them yourself. If you are deciding whether to bring any of it in house, start with build vs buy.