Hiring a first employee is a milestone for any small business. It often signals growth, increased demand and a new level of responsibility.
It also marks the point when the business becomes an employer, with all the responsibilities that come with that role. That is what makes Human Resources a business necessity.
One of the most common misconceptions among small-business owners is that HR is a “someday” problem — after the company adds layers of management or has enough employees to justify a dedicated HR professional.
But in reality, some employment requirements begin with employee No. 1, and the legal, financial and operational risks only increase as the business grows. Unfortunately, waiting for a problem to prove the need for HR can be an expensive way to learn that lesson.
Small Problems Have a Way of Becoming Expensive Ones
Many costly HR problems do not begin as lawsuits. They begin as everyday management decisions.
An employee receives repeated verbal warnings, but no one documents them. Two managers handle similar performance problems differently. A job description no longer reflects what an employee actually does. A new hire receives little formal onboarding. A complaint is handled informally and inconsistently. Eventually, an employee is terminated, and the company has little documentation showing how or why the decision was made.
None of these decisions may set off alarm bells on their own. Stack enough of them together, however, and a manageable people issue can quickly become an expensive business problem.
An informal HR function works — until it doesn’t. Policies may no longer reflect how the business operates, and routine people decisions may lack a consistent process. As the business grows, practices that once seemed adequate can start showing their cracks.
Employment disputes can be particularly damaging for smaller organizations because the cost extends beyond legal bills or a potential settlement. A 2025 report from Nakase Law Firm put the average cost to defend an employment claim through settlement at approximately $160,000, with cases that proceed to trial potentially costing significantly more.
For most small businesses, $160,000 is hardly a rounding error. And the true expense does not end with attorneys and settlements. Leadership time is diverted from running the company. Productivity suffers. Employee morale can decline. Even when a business ultimately prevails, defending a decision without consistent policies and documentation can consume resources that a small organization can’t afford.
Don’t Wait for a Legal Problem to Build HR
Legal risk may be the most obvious reason to formalize HR, but it is far from the only one. The same practices that help protect a company also help it operate better.
Clear job descriptions make recruiting more focused and establish expectations from the beginning. Structured onboarding helps employees understand their roles and become productive sooner. Regular feedback and performance management allow managers to address problems early while giving employees opportunities to develop and grow with the business.
Compensation benchmarking helps businesses compete for talent without making pay decisions blindly. Clear processes and regular communication can also strengthen trust and engagement.
Consistent processes for employee complaints, discipline and conflict resolution also give managers a framework for handling difficult situations fairly rather than improvising under pressure.
For a small business, those practices can have an outsized impact. A large corporation may be able to absorb a poor hire, an unexpected departure or months of underperformance. On a team of eight or 10 people, one personnel problem can affect a significant portion of the organization.
That is why HR should not be viewed simply as the department that steps in when an employee needs to be disciplined or terminated. Done well, it is part of the infrastructure that allows a business to get the most from the people it has invested in hiring.
Build the Foundation Before It Is Needed
Small-business owners routinely plan for growth. They invest in technology before systems become overwhelmed, seek financing before capital runs out and expand facilities before space becomes impossible to manage.
People-infrastructure deserves the same foresight.
For a five-person company, that foundation can be relatively simple. Its practices and resources can expand alongside the workforce.
As the workforce grows, the tools supporting its people should evolve, too. Spreadsheets, email and a filing cabinet behind a closed door may feel perfectly adequate for a handful of employees. But over time, so does the effort required to chase documents, piece together information and remember where everything lives. A centralized HR information system can make employee records easier to organize, protect and retrieve while freeing leaders from manually tracking information across multiple places.
When expectations, responsibilities and processes are clear, managers are less likely to make important employment decisions differently between employees, and teams have a better understanding of what is expected of them. When an issue does arise, the business is in a much stronger position to respond.
Small Businesses Do Not Need a Big HR Department
There is rarely a single employee count that tells an owner it is time to formalize HR. More often, a triggering event exposes what the business has outgrown, such as the first serious employee complaint, a difficult termination, a leave or accommodation issue, a payroll problem or the loss of a valued employee.
Growing businesses have several options for getting the HR support they need, and hiring a full-time HR professional is only one of them.
The right level of support depends on the company’s size, complexity, industry and existing resources. Some organizations divide basic HR responsibilities among internal leaders while relying on outside expertise for more complicated matters. Others use fractional HR support to establish policies, provide strategic guidance, conduct investigations or fill expertise gaps without adding a full-time position.
What matters is whether someone with the appropriate knowledge is paying attention to the responsibilities that come with employing people.
Another warning sign comes when leaders realize how much time they are spending on preventable administration. As a business adds managers and employees, decisions once made by one owner are now being made by multiple managers, making informal processes harder to maintain consistently. At that point, weak HR infrastructure begins taking time away from running and growing the business.
The question is not whether a company is big enough for HR; it is whether the company can afford to wait until an HR problem proves otherwise.
Business owners devote enormous energy to winning customers, managing cash flow and planning for growth. Their people strategy deserves that same attention from the very first hire, no matter the size of their HR function.
HR Milestones to Know
1 employee: Numerous federal and state requirements already apply in areas that include wages and overtime, equal pay, workplace safety, and military-service protections and paid sick leave.
4 employees: Immigration-related anti-discrimination provisions come into play.
15 employees: Additional federal anti-discrimination requirements and disability protections apply.
20 employees: Age-discrimination requirements apply.
50 employees: FMLA requirements and, generally, ACA employer obligations become considerations.
State and local employment requirements may apply at different thresholds.
From Reactive HR to Proactive HR
| Reactive HR | Proactive HR |
| Hiring when a position suddenly needs to be filled | Using clear job descriptions, job families, succession planning, and a consistent hiring process |
| Informal or minimal onboarding | Structured onboarding that helps employees become productive sooner |
| Addressing performance problems after they escalate | Setting expectations and providing constant verbal coaching and regular documented feedback |
| Managers handling similar situations differently | Giving managers consistent processes for discipline, complaints and conflict |
| Making pay decisions as needs arise | Benchmarking compensation against the market and ensuring internal equity |
| Documenting decisions after a problem emerges | Maintaining records as part of everyday management |
| Adding HR support only when something goes wrong | Building HR capabilities as the business grows |
Sam Bolen, SHRM-SCP, THRP, is director of Human Resources Consulting Client Services at REDW Advisors & CPAs. She helps organizations build HR programs designed to reduce risk while supporting their people and long-term growth. Her work includes helping businesses navigate compliance, employee relations and the HR infrastructure needed as organizations evolve.
Amanda Jorth, THRP, is a senior HR consultant at REDW Advisors & CPAs. She holds the SHRM California Law HR Specialty Credential and specializes in state and federal employment law compliance. Jorth helps organizations navigate complex HR challenges with practical, business-focused guidance. Her work includes supporting clients with employee relations, workplace investigations, policy development and day-to-day HR compliance matters. She partners with organizations to strengthen HR practices, reduce risk and support effective people management as businesses grow and evolve.
Did You Know:
Employee turnover carries a significant price tag. Gallup estimates that replacing a frontline employee costs about 40% of that employee’s annual salary, while replacing a technical professional costs about 80% and replacing a leader or manager can cost roughly twice their annual salary.
