Every new employee is a 5–6 figure bet.

When you account for admin overhead, lost productivity during ramp, and the cost of early churn, onboarding is one of the largest controllable expenses at a growth-stage company.

12%

of employees say their company does onboarding well

44%

of new hires regret their decision within the first week

~30%

of new hires quit within the first 90 days

The anatomy of an onboarding dollar

Select a role type to see how the costs shift.

Engineering, product, operations — $150K avg. salary

Direct onboarding costsSHRM, 2025

Training, materials, tools, system setup

$5K
HR admin time

~10 hours per hire at $50/hr

$500
Manager time

~40 hours at $75/hr

$3K
Buddy / peer time

~20 hours at $60/hr

$1K
Lost productivity during ramp

6-month ramp model — the largest component

$29K
Total all-in cost per hire

~26% of first-year salary

$39K

The productivity ramp

Illustrative model. Lost output is the gap between full capacity and actual contribution.

Month 1
25%
Month 2
40%
Month 3
55%
Month 4
70%
Month 5
85%
Month 6
95%

Lost productivity accounts for 74% of total onboarding cost.

The churn tax

Every early departure burns two budgets — the onboarding you already paid for, and the replacement you're about to.

Engineering, product, operations — $150K avg. salary

Sunk onboarding cost

Already spent before they leave (from above)

$39K
Replacement costGallup, 2024

80% of salary for technical roles

$120K
Total cost of one failed hire

One failed knowledge worker hire — sunk onboarding plus replacement

$159K

42% of turnover is preventable

Gallup found that nearly half of employees who voluntarily left said their manager or organization could have done something to prevent it. Gallup, 2024

Structured, automated programs

Replace ad-hoc checklists with orchestrated journeys that don't depend on one person's memory.

Stakeholder visibility

Managers, IT, and buddies see what they need to do without compromising sensitive HR data.

Proactive follow-ups

Catch disengagement signals before they become a resignation letter.

Analytics that surface risk

Time-to-completion, task gaps, and satisfaction data identify at-risk hires before the 90-day cliff.

Not another sales call.

Just a 25-minute look at the platform. Bring your use case and we'll show you how Slipstream saves your bottom line.

Sources

Productivity ramp models are illustrative, based on industry benchmarks for each role type. Manager, buddy, and peer time estimates use industry-average hourly rates. Hiring costs from SHRM 2025 benchmarking. All other figures are directly sourced.