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In-house bookkeeper vs. outsourced bookkeeping: the honest math

The classic advice says every growing business should hire an in-house bookkeeper. The math deserves more scrutiny than it usually gets: a full-charge bookkeeper in the U.S. typically earns $45,000–$65,000 a year in salary, and salary is only where the cost starts — payroll taxes, benefits, software seats, management time, and the cost of the months when they're on vacation, sick, or quitting all ride on top.

Outsourcing replaces that whole stack with a flat monthly plan and a team instead of a person. Sometimes in-house still wins. Here's how to tell, honestly, which side of the line your business is on.

What mattersHiring in-houseMr. Bookkeeper
Annual costConsiderTypically $45k–$65k salary, plus payroll taxes, benefits, and overhead — often $55k–$85k all-inMr. BookkeeperFrom $3,000/yr ($250/mo), scaling with your expense band — published pricing, no benefits package
Who covers absenceConsiderNobody — vacation, illness, and turnover all pause your books or cost you temp feesMr. BookkeeperA team, so the close happens every month regardless of who's out
Quality controlConsiderWhatever self-review one person does, unless you pay a reviewer to check their workMr. BookkeeperChecklists, dual review, and formal close sign-offs built into the monthly process
Hiring and rampConsiderWeeks-to-months of recruiting, onboarding, and trial-and-error on fitMr. BookkeeperOnboarding in days — your plan, your team, your first close in the current month
ScalingConsiderTransaction growth eventually means a second hire or a resignationMr. BookkeeperVolume growth moves you up an expense band — the plan scales without a requisition

Choose in-house if…

  • You have enough daily transaction volume to justify a full-time person and want them in the office
  • Bookkeeping is only part of a broader office-manager role you're hiring for anyway
  • You already have accounting leadership in-house to supervise and review the work

Choose Mr. Bookkeeper if…

  • You want senior-level bookkeeping for a fraction of a salary — plans from $250/mo
  • You need coverage that doesn't call in sick, take PTO, or give two weeks' notice
  • You want a monthly close with checks and sign-offs, not one person's unchecked work
  • You'd rather spend your management time on the business than on reviewing the books

The verdict

In-house wins when bookkeeping is genuinely a full-time, on-site operations job and you have accounting leadership to supervise it. For most small businesses, that description doesn't match reality — they need accurate, finished books every month, which is a process, not a person. Outsourcing buys that process for a small fraction of a salary, with coverage and quality control a single hire can't offer. If the numbers above describe your situation, get a quote and compare — it takes about a minute.

Frequently asked questions

How much does an in-house bookkeeper cost per year?

A full-charge bookkeeper in the U.S. typically earns $45,000–$65,000 in base salary. Total cost of employment — payroll taxes, benefits, software, and management time — commonly lands meaningfully higher, and the position pauses entirely during vacations, illness, and turnover.

How much does outsourced bookkeeping cost?

Mr. Bookkeeper's plans start at $250/month and scale with your business expenses across published tiers — you can see every price on our pricing page before you talk to anyone.

Is outsourced bookkeeping safe for sensitive financial data?

Reputable providers are built for it: encrypted systems, scoped access, and audit trails on every change. Mr. Bookkeeper runs on encrypted infrastructure with role-based access and a full audit log of who touched what, when.

See your own price in 60 seconds

Pick your service and expense range — the quote comes straight from our published plans, from $250/mo. No email required to see the number.