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The Biggest HR Mistakes Growing Companies Make, Before They Hit 25 Employees

As businesses grow, many leaders focus heavily on sales, operations, customer experience, and cash flow. Human Resources often becomes something handled “as needed” until a problem arises.

The reality is that many of the HR challenges companies face later are rooted in processes, policies, and practices that were never formalized during the early stages of growth.

Here are some of the most common HR mistakes growing businesses make before they hit 25 employees and why addressing them early matters.

Waiting Too Long to Formalize HR

Many small businesses operate successfully for years without a dedicated HR professional. In the beginning, this often works because teams are small, communication is direct, and decisions happen quickly.

But growth changes things.

As headcount increases, informal processes that once worked can quickly create inconsistencies, confusion, and risk. Hiring decisions, employee performance conversations, pay practices, PTO administration, and onboarding all become more complex.

One of the biggest misconceptions we see is the belief that HR only becomes necessary once a company reaches a certain size. In reality, HR infrastructure should evolve alongside the business, not after issues begin surfacing.

Inconsistent PTO and Pay Practices

Many growing businesses unintentionally create inequities by handling employee requests differently from one person to another.

One employee may be permitted to take unpaid time off while another is denied. One manager may allow flexibility while another applies policies more strictly. Over time, these inconsistencies can impact morale, create employee relations issues, and potentially expose the organization to compliance concerns.

Clear policies, manager alignment, and consistent administration are critical as organizations grow.

Poor Onboarding Processes

A strong onboarding experience sets the tone for the employee experience.

Unfortunately, onboarding is often treated as a checklist rather than a structured process. New hires may arrive without proper communication, system access, training plans, or clarity around expectations.

This creates frustration not only for the employee, but also for the managers and teams supporting them.

Effective onboarding should help employees:

  • Understand the organization and culture
  • Complete required documentation
  • Gain clarity around expectations
  • Access systems and tools
  • Feel connected and supported early on

A strong onboarding process can positively impact retention, engagement, and productivity.

Missing or Incomplete Documentation

Documentation tends to become a problem only after an issue arises.

We frequently see growing businesses without:

  • Updated employee handbooks
  • Signed policies
  • Accurate I-9 documentation
  • Wage notices
  • Consistent performance documentation
  • Clear job descriptions

When documentation practices are inconsistent, organizations often struggle to support employment decisions or demonstrate compliance.

Building strong documentation habits early creates structure and helps support both employees and leadership teams.

Managers Handling Employee Relations Without Guidance

As organizations grow, managers often become responsible for employee conversations they’ve never navigated.

Performance concerns, attendance issues, accommodations, interpersonal conflict, and disciplinary conversations require consistency, professionalism, and awareness of employment laws.

Without guidance, even well-intentioned managers may unintentionally create risk through inconsistent communication or emotional decision-making.

Manager support and HR partnership become increasingly important as businesses scale.

Hiring Without Structure

Many businesses hire within the ‘friend circle’ or reactively early on and during periods of growth. Positions may be posted quickly, interview processes vary between candidates, and compensation decisions are made inconsistently.

Over time, this can create:

  • Internal pay inequities
  • Poor hiring decisions
  • Weak candidate experiences
  • Confusion around responsibilities
  • Difficulty scaling teams effectively

A structured hiring process does not need to be overly corporate. Even simple improvements like consistent interview questions, clear job descriptions, and defined compensation ranges can create better hiring outcomes.

Growth Creates Complexity

Growing businesses face enough operational challenges without preventable HR issues creating additional friction.

The good news is that many of these challenges can be addressed proactively with the right systems, structure, and support in place.

At HR Resolved, we work with growing businesses to help build practical HR processes that support compliance, employee experience, and long-term operational success. Because HR should grow with your business, not behind it.

Frequently Asked Questions

When should a small business start formalizing its HR policies?

You should build your HR infrastructure alongside your business, not after issues surface. Waiting until you hit a specific employee count (like 25 employees) often results in inconsistent policies, compliance risks, and morale issues that are much harder to fix retroactively.

Why are inconsistent PTO and pay practices dangerous for growing companies?

When managers handle requests differently—such as allowing unpaid time off for one employee but denying it for another—it unintentionally creates workplace inequities. Over time, this inconsistency damages employee morale, triggers employee relations issues, and exposes the business to compliance risks.

What does a good onboarding process look like for a small business?

Effective onboarding is much more than a paperwork checklist. A strong process ensures new hires understand the culture, have immediate access to systems and tools, gain absolute clarity on their expectations, and feel supported by their managers from day one.

Why is it risky for untrained managers to handle employee relations?

Navigating performance concerns, accommodations, or interpersonal conflicts requires professionalism, consistency, and an understanding of employment laws. Without proper HR guidance, even well-intentioned managers can make emotional decisions that unintentionally expose the company to legal risk.


Katie Tansey

For the past 2 decades, my passion for adventure, food and fitness have been fueled by the pursuit of nearly 2 dozen marathons, ultramarathons, triathlons, Ironman and CrossFit. In more recent year, my focus has been building strength in backcountry skiing.

The key to successfully accomplishing these goals was understanding what my body needed to be strong, sustain energy, recover and continue to perform.

As my goals have evolved over the years, I now want to share my experience and help others who share an interest in living a health lifestyle, achieve their nutrition and fitness goals.

I believe that when we know better, we can choose to do better!