In-House SDR Cost: The Real Number Most Sales Leaders Miss

Ask five sales leaders what an SDR costs and you’ll get five different salary figures, because the market itself is split. RepVue puts the median SDR base at $60,000, based on verified user-submitted compensation data as of July 2026. Glassdoor’s aggregate skews higher, averaging $97,121 a year with a 90th percentile of $150,007 (glassdoor.com, accessed July 2026). Salary.com lists a typical range of $60,731 to $81,243, averaging $70,987 as of July 1, 2026. The Bridge Group’s long-running SaaS SDR survey lands lower still: a median base of $50,000 and on-target earnings around $76,000 to $80,000 on a 65:35 split (via Blossom Street Ventures’ summary of Bridge Group data).

None of those numbers is wrong. They’re measuring different populations at different seniority bands. What they have in common is that none of them is the real cost of the seat.

Alleyoop modeled the full year-one stack for a mid-market US SDR and published the itemized breakdown, methodology included, so anyone can rerun it with their own numbers: $85,000 in cash compensation, $21,250 in benefits and employer overhead (25% of comp), $14,400 in tooling and data (dialer, sequencer, enrichment, CRM seat, at roughly $1,200 a month), $10,500 in recruiting (accounting for turnover risk), $11,333 in turnover re-ramp, and $12,000 in management allocation. Total: about $154,500, see the fully loaded cost of an SDR for the full methodology (alleyoop.io/true-cost-of-an-sdr, 2026). That’s the number the salary line never shows you.

Four costs that rarely make it into a first-pass budget:

• Benefits and employer overhead

  Payroll tax, health coverage, 401(k), equipment. Typically 20 to 25% on top of comp.

• The tech stack

  A working outbound seat needs a dialer, a sequencer, data and enrichment, deliverability infrastructure, and a CRM seat. Buy them one rep at a time and you pay retail; most of that stack prices for teams, not individuals.

• Recruiting

  Not just the fee for the hire who stays. Factor in the fee for the one who doesn’t.

• Management time

  Someone is coaching, running call reviews, and covering pipeline reviews. That’s a real cost even when it’s a shared allocation of an existing manager’s time.

A new SDR takes about 3.0 to 3.2 months to reach full productivity, a figure The Bridge Group has tracked in its annual SDR survey since 2007 (The Bridge Group, “Attrition Assumptions for the 2024 SDR Plan,” Kyle Smith, February 8, 2024). Add a typical 6 to 10 week hiring cycle before day one, and a big chunk of year one produces little to no pipeline.

Run the math on a 12-month year: roughly 3 months ramping means about 8 to 9 productive months are left to justify the full year’s cost. Every dollar in that $154,500 stack gets amortized over those 8 to 9 months, not 12, which is exactly why the cost-per-meeting number looks worse than the salary line ever suggested. At roughly $154K over about 8 productive months, a rep booking 8 qualified meetings a month lands near $2,400 per meeting in year one (alleyoop.io/true-cost-of-an-sdr).

This is the gap sales leaders describe as “the ramp time is killing us.” It isn’t a complaint about the rep. It’s the mechanical result of paying a full-time cost structure for a part-time year of output.

Turnover doesn’t just cost you a rehire. It resets the ramp clock on a role you already paid to bring up to speed.

The Bridge Group’s most recent Sales Development Research Report puts median annual SDR turnover at 40%, with a 25th-to-75th percentile spread of 21% to 57% and an involuntary-turnover component of 13% (The Bridge Group, “SDR Models, Motions & Metrics: 2025 Research Report,” February 6, 2025, bridgegroupinc.com). That 40% median is the number to plan around, not the wider swings older surveys reported. Median tenure sits around 1.8 to 1.9 years per the same research lineage. Alleyoop’s own cost model assumes 40% annual turnover with about 4 months of paid re-ramp per replacement, matching that median directly (alleyoop.io/true-cost-of-an-sdr).

Do the arithmetic at 40% turnover: that’s not a risk sitting off to the side of your budget, it’s 0.4 of a rehire, plus 0.4 of another ramp period, built into the expected cost of the role every single year.

What replacing a rep actually costs is harder to pin down for SDRs specifically. General workforce data from SHRM puts typical cost-per-hire near $4,700 (SHRM, “The Real Costs of Recruitment,” Katie Navarra, April 11, 2022) and total replacement cost at 50 to 200% of annual salary depending on seniority (SHRM Executive Network, January 2025). Neither figure is SDR-specific, and no credible, disclosed-methodology study puts a dedicated dollar figure on SDR turnover alone. Treat any number you see claiming otherwise with suspicion; several circulate online in near-identical wording, which is a sign they’re marketing copy, not research. [DATA NEEDED: an SDR-specific, methodology-disclosed turnover cost study, if one becomes available.]

Turnover’s other cost rarely gets modeled at all: the stretch between a rep leaving and a replacement becoming productive, when the seat exists on the org chart but produces nothing.

Layer the numbers already established in this piece on top of each other. A 6 to 10 week hiring cycle (the same window cited above for the initial hire) plus a 3.0 to 3.2 month ramp means a departing rep can leave a pipeline gap of roughly 5 to 6 months before a replacement is fully productive again. At $12,875 a month in fully loaded cost ($154,500 ÷ 12), that’s somewhere between $64,000 and $77,000 spent on a seat producing little to no qualified pipeline, before the recruiting cost of the rehire itself is even added.

For a single-SDR team, that gap isn’t a rounding error, it’s a pipeline freeze across most of a fiscal half. For a team of three or more, it’s a rotating gap that, at 40% annual turnover, is statistically present somewhere in the team almost every year. Alleyoop’s cost model folds a version of this into the $11,333 turnover re-ramp line item per seat; that figure is smaller than the “empty seat” math above because it assumes some hiring overlap and partial productivity during ramp, not a full stop. Either way, it’s real cost with no line item on a comp plan, and it’s the biggest reason a “3.0 to 3.2 month ramp” figure alone understates the true disruption of turnover.

Someone has to onboard a new SDR, sit in on their first calls, review their emails before they go out, and keep coaching once they’ve ramped. In Alleyoop’s cost model, that’s a $12,000 line item, a partial allocation of a manager or player-coach’s time (alleyoop.io/true-cost-of-an-sdr). It’s real money even when nobody cuts a separate check for it, because it’s hours your existing sales leadership isn’t spending on pipeline review, forecasting, or closing.

For a company with one or two SDRs and a working manager already in place, this is manageable. For a founder or a single AE trying to build and run an SDR function alongside their own quota, it’s the difference between “we added a rep” and “we added a rep, and I lost 10 hours a week.”

Line items are easier to argue with in the abstract than in a real budget. Here’s the same model scaled to a small team, using Alleyoop’s published per-seat breakdown (alleyoop.io/true-cost-of-an-sdr, 2026) with no rounding beyond what’s already in the source model.

Three seats, no adjustments: about $463,500 in year-one fixed cost, before office, equipment, or any overhead that doesn’t fit neatly into a per-seat line.

Now apply turnover. At the Bridge Group’s 40% median (2025 Sales Development Research Report), a 3-person team should statistically expect to lose more than one rep a year, roughly 1.2 departures. Each one adds another $10,500 in recruiting and, per the empty-seat math above, another $64,000 to $77,000 in pipeline-gap cost on top of the $11,333 turnover-re-ramp line already built into the per-seat total. In a bad year, one unlucky departure on a 3-person team can add $75,000 to $90,000 of cost that never shows up in the original $463,500 line.

Run the output side too. At 8 qualified meetings per SDR per month (the same benchmark used earlier in this piece) and roughly 8 to 9 productive months per rep after ramp, three reps produce somewhere between 192 and 216 qualified meetings a year. Divide $463,500 by that range and cost per meeting for the team lands between roughly $2,150 and $2,415, consistent with the $2,400 single-seat figure calculated earlier, once you account for a full team rarely all being in ramp or all fully productive at the same time.

None of this is a reason to avoid hiring three SDRs. It’s a reason to budget $463,500 as a floor, not a ceiling, and to model turnover as an expected annual cost rather than a risk that might not materialize.

Everything above prices the seat. It doesn’t price what happens to output once the seat is filled, and that gap is worth naming plainly because it changes how the fixed cost above actually performs.

An in-house SDR is managed by whoever runs sales day to day. That person sets the qualification bar, listens to calls, and corrects course when a rep starts booking meetings that don’t convert downstream. Whether that happens consistently depends entirely on whether the manager has the bandwidth for it, and the $12,000 management-allocation line item in the cost model above is exactly that: a partial slice of someone’s time, not a dedicated quality function.

That matters because a rep who’s fully ramped and still employed can still be producing low-value output if nobody’s checking the qualification standard against what actually turns into pipeline. The fully loaded cost model prices the seat being filled; it says nothing about whether the meetings booked from that seat are worth an AE’s time. That’s a separate, harder-to-quantify risk sitting on top of every dollar figure in this piece, and it’s one every buyer, in-house or outsourced, has to solve for rather than assume away.

None of this is an argument that outsourcing always wins. It isn’t, and a fair comparison has to say so plainly.

In-house makes sense when the playbook is already proven: you know your ICP, your messaging has been tested, and you have someone with the bandwidth to manage and coach an SDR day to day. It also makes sense at scale. Once you need five or more reps working in lockstep with your product roadmap and your existing sales culture, the fixed costs above start to spread across more output, and full ownership of the process starts to matter more than speed to first meeting.

It doesn’t make sense when the real question is still unanswered: does this outbound motion work at all? A company testing messaging, testing ICP, or trying to prove a channel before committing to a year of fixed cost is paying for the ramp and turnover risk on an unproven bet. That’s the case for testing the model a different way first, whether that’s a pilot, a part-time motion, or an outsourced engagement, before locking in $150K+ of fixed annual cost.

No independent analyst firm has published a direct, methodology-disclosed comparison of in-house versus outsourced SDR cost. Every version you’ll find online, including Alleyoop’s own comparison content, comes from a party with a stake in the answer. That’s worth saying outright rather than dressing up a sales argument as neutral research.

What can be said honestly: the in-house cost structure above ($154,500, or about $2,400 per meeting in year one) is fixed regardless of output in the ramp window, and it resets every time a rep leaves. An outsourced engagement typically converts that same fixed, ramp-exposed cost into a flat monthly rate tied to a defined meeting count, with the ramp and turnover risk absorbed by the provider rather than passed to the buyer. Which one is cheaper depends on your specific ramp timeline, your actual turnover, and how long you keep the seat filled, not on a single universal number.

If you want to run this with your own comp bands, turnover assumptions, and meeting targets rather than take any of the above on faith, Alleyoop’s interactive CFO Cost Model lets you adjust every input from the $154K report and see your own number in about two minutes. You can also compare the two paths side by side in the Math, or read the full breakdown of what building in-house actually involves.