Why do companies outsource human resources?

You have just handled a hard people issue, or your office manager now runs HR for a growing team. Here is why companies outsource HR, the options, and the questions to ask a provider.

By Surfside Human Capital SolutionsPublished Updated 4 min read

A small-business owner on a video call at a desk with a laptop, a mug and a notebook

Companies outsource HR because the work grows faster than the people doing it. Wage and hour rules, leave, hiring, employee relations, and records all arrive before a company can justify a full-time HR leader. Outsourcing gives part-time access to that expertise, in forms that range from a professional employer organization to a fractional HR leader.

You have just handled a termination you were not sure you handled well, or the office manager who has been running HR now supports 40 people and is stretched. The decision to outsource usually follows an event like that. Making it earlier gives you more room to choose how.

What does it mean to outsource HR?

It means handing some or all of your HR work to an outside provider. The three common forms differ most in who stays the employer.

FormWhat you hand overWho is the employer
Professional employer organization (PEO)Payroll, benefits administration, and often HR supportResponsibilities are split between you and the PEO by contract
HR consultingProjects such as policies, an HR audit, or a pay reviewYou, for everything
Fractional HR leaderPart-time senior HR leadership, from an HR business partner (HRBP) to a chief human resources officer (CHRO)You, for everything

The IRS notes that a PEO can apply to be certified, and that an agreement with a certified PEO affects the employment tax liabilities of both the PEO and its customers.

Why does compliance get harder as you grow?

Because obligations arrive at headcount thresholds, and each has its own rules. These examples are dated October 2026, and your employment counsel should confirm how each applies to you:

  • Wage and hour. The federal minimum salary for most exempt executive, administrative, and professional employees is $684 a week.
  • Employee or contractor. The Department of Labor proposed in February 2026 to replace its current analysis in 29 CFR Part 795, so the federal test may change.
  • Leave. The FMLA applies to private employers with 50 or more employees in 20 or more workweeks in the current or previous calendar year. An employee is eligible after 12 months and 1,250 hours of service, at a location with at least 50 employees within 75 miles.
  • Benefits. At 50 or more full-time employees, counting full-time equivalents, an employer is an applicable large employer under the Affordable Care Act.
  • Reporting. Private employers with 100 or more employees file the EEO-1 report.
  • Eligibility to work. Employers must complete Form I-9 for every individual they hire.

States add their own rules on top, and their thresholds differ. Work through them alongside your employment counsel.

What does a full-time HR hire cost compared with outsourcing?

More than the salary. The median annual wage for human resources managers was $149,280 in May 2025, according to the Bureau of Labor Statistics. Benefits were 30.0% of total compensation costs for private industry workers in June 2026. If a role carried that average share, a $149,280 salary would correspond to about $213,000 in total compensation. That is an average across private industry, not a quote for any role.

Outsourced options vary by scope, so compare what each covers and who answers when something urgent happens, not only the price.

When does outsourcing HR not fit?

When you already have an experienced HR team and sound systems, or when you need someone on site every day. A part-time arrangement cannot replace daily presence.

How do you choose a provider?

Ask each provider the same questions:

  • For each task, who is the employer: you or the provider?
  • What is included, and what costs extra?
  • Who answers when something urgent happens, and how do you reach them?
  • Which states does the provider know?
  • How does the arrangement end, and what do you keep: records, policies, and files?
  • Does the provider work alongside your employment counsel?

What to do next

  1. List the HR work you do now, who does it, and where it slows down.
  2. Mark which items touch a threshold above: headcount, classification, or leave.
  3. Decide whether you need a project, ongoing support, or leadership.
  4. Ask each provider the questions above, and have your employment counsel review any agreement.

We help you decide what to hand off and what to keep, and we provide fractional HR leadership and support alongside your employment counsel: we help you stabilize what's shaky, strengthen what's working, and scale without the growing pains. See our HR services.

Questions owners ask

Is a PEO the same as outsourced HR?

A PEO is one form of it, and it shares responsibilities with you by contract. HR consulting and a fractional HR leader leave you as the employer. How people systems affect business value explains what a buyer or an investor asks about either arrangement.

Do I still need an employment lawyer?

Yes, for legal questions. Surfside Human Capital Solutions is not a law firm and does not give legal advice, so we work alongside your employment counsel. Should you get an HR audit describes where an audit fits and where counsel decides.

General information, not legal, tax, or investment advice.

Sources

  1. 29 CFR 541.600, Amount of salary required (as printed after 91 FR 27835, May 15, 2026), U.S. Department of Labor, via Cornell Legal Information Institute,
  2. Employee or Independent Contractor Status Under the FLSA, FMLA, and MSPA (notice of proposed rulemaking, Docket WHD-2026-0001), Federal Register,
  3. Fact Sheet #28: The Family and Medical Leave Act (revised March 2025), U.S. Department of Labor, Wage and Hour Division,
  4. Determining if an employer is an applicable large employer, Internal Revenue Service,
  5. EEO-1 data collection, U.S. Equal Employment Opportunity Commission,
  6. Form I-9, Employment Eligibility Verification, U.S. Citizenship and Immigration Services,
  7. About certified professional employer organizations (CPEO), Internal Revenue Service,
  8. Occupational Outlook Handbook: human resources managers, U.S. Bureau of Labor Statistics,
  9. Employer Costs for Employee Compensation, June 2026, U.S. Bureau of Labor Statistics,

Figures and rules as published by these sources on the dates shown.

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Surfside Human Capital Solutions is not a law firm and does not give legal advice or represent anyone before a court or agency. It works alongside your employment counsel and recommends that counsel review policies and decisions that depend on the law. Content on this site is general information, not legal or tax advice.

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