Content Agency vs In-House Hire: Your Free ROI Calculator

Written By Rachel Seiler

You're about to spend $8,000 a month on content—either on an agency retainer or a full-time hire. But which one actually pays off? That's not a question you can answer with gut instinct, and it's definitely not one you want to get wrong.

A content agency ROI calculator helps you compare the true costs and returns of outsourcing versus building in-house. It factors in hidden expenses like ramp time, management overhead, and compliance risk.

This tool and overall guide gives you a side-by-side comparison so you can make the call with real numbers—not guesswork.

ROI Calculator

Consultant vs. In-House:
Your First 6 Months

Hiring an in-house strategist takes time — and a lot of money up front — before they're fully onboarded. Hire a consulting agency instead and you get a full team of expert (in our case, PhD-level) strategists for less than that one in-house hire. And if your consultants are anything like Content Docs? Their processes are built to deliver results within your first quarter, with early success markers as soon as four weeks. Take a look for yourself — just adjust the numbers to your job's salary band and compare against industry benchmarks.

$
U.S. avg for a content strategist (Salary.com / Built In)
%
Added on top of salary (BLS: benefits ≈ 30% of total comp)
$
Avg cost per non-exec hire (SHRM 2025 Benchmarking Report)
$
A full agency team — on average less than one in-house salary
Time Horizon

In-House Hire

Loaded salary cost—
One-time hiring cost—
Total cost—
Revenue driven (after ramp)—
Net Return
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Consultant Team

Retainer cost—
One-time hiring cost$0
Total cost—
Revenue driven (results in-quarter)—
Net Return
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The Bottom Line
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Book Your Free Consult → No charge for the intro call. Audits are scoped and quoted separately.
How this is calculated & sources
  • Loaded salary: base salary × (1 + benefits load), pro-rated to the horizon.
  • Ramp: each path averages ~50% effective output during its ramp window, then full output. A single in-house hire typically ramps over ~5 months; the Content Docs team ramps faster — early markers by ~week 4, full results within the first quarter (~3 months).
  • Revenue driven: both paths target the same content-program revenue — engagement scope (retainer) × a 3:1 return multiple, applied per productive month. Only cost and ramp speed differ between the two paths.
  • Net return: revenue driven − total cost. ROI% = net ÷ cost.
  • Defaults: content strategist salary (Salary.com / Built In); benefits load (U.S. BLS Employer Costs for Employee Compensation, 2025); cost per hire (SHRM 2025 Benchmarking Report); ramp time (onboarding time-to-productivity research); 3:1 content-marketing return (B2B benchmark).

Estimates are illustrative and depend on your market, content quality, and execution. Edit any input to model your own assumptions. Figures aren't a guarantee of results.