Once a company reaches 50 employees, two major US laws begin to apply to most businesses. The Family and Medical Leave Act (FMLA) allows every employee to take up to 12 weeks of unpaid leave while keeping their jobs. The Affordable Care Act (ACA) requires businesses to offer health insurance to full-time employees and file yearly reports with the IRS. However, both laws count employees differently from a simple payroll list and also look at past months. This means a company may fall under these rules before anyone even realizes it.
As a business grows, small, everyday habits can also turn into legal and money-related problems. A promotion agreed on in a conversation or leave details saved in someone’s email may seem harmless at first. But without proper records, these simple practices can create bigger problems for the company later.
Below is what changes, what to fix first, and how to get ready before your 50th hire.
Table of Contents
- Start with the Paperwork You Already Have
- Job-Protected Leave Becomes a Legal Obligation
- Health Coverage
- Managers Become Part of the HR System
- Start Counting at 40
- FAQs
Start with the Paperwork You Already Have
A document audit is the cheapest first fix.
Look after every employee and contractor file for a signed offer letter or employment agreement and a handbook acknowledgment. Anyone who looks after the client lists, pricing, payroll data, or product plans should definitely have a signed NDA. Where an NDA is missing, a simple NDA template from Loio, for example, could help you fix that issue with one regular document.
In some states, asking current workers to sign a new agreement raises consideration questions, so check local rules first.
The audit can also unmask version drift. When three versions of the similar agreement get passed, obligations differ from person to person. Keep one approved template per document type, keep a record of the version and signing date in every employee profile, and limit template editing to one or two people.
| Note: During an audit or a dispute, a signed agreement noone can find works about as well as one that was never signed. |
Job-Protected Leave Becomes a Legal Obligation
A private employer is covered by the FMLA once it has 50 or more employees in 20 or more workweeks in the current or preceding calendar year. Part-time and temporary staff count toward that number, and the weeks don’t have to be regular. Coverage also stays into the following year if headcount drops back below 50.
Individual employees qualify only after 12 months with the company and at least 1,250 hours worked in the past year. They also need to work at a site with 50 or more employees within the radius of 75 miles.
Because of that previous rule, a 60-person company relocated across distant offices can be covered while some of its employees still aren’t eligible.
What HR needs to set up:
- A formal notice explaining FMLA rights, both at the worksite and somewhere staff working online will actually see it.
- A response timeline. HR usually has five business days to tell an employee whether they’re a perfect fit once it learns the leave may be approved.
- Separate medical files. FMLA certifications and medical records must stay secret and separate from regular employee files.
When leave approvals live in chat threads, HR can’t prove how much protected leave someone consumed or whether it was ever qualified as FMLA leave.
Health Coverage
Under the ACA, a company becomes an applicable large employer (ALE) for the current year based on last year’s numbers.
The test is an average of at least 50 full-time employees, including full-time replacements. Anyone working an average of 30 or more hours of service a week counts as full-time. Part-time hours become equal by adding each person’s monthly hours, capped at 120, and dividing the total by 120.
This math showcases why so many companies cross the line without realising it. Forty full-timers plus a group of part-timers and seasonal staff can already average out to 50. Businesses with multiple owners are also counted together as one single employer.
Once a company is an ALE, it needs to offer coverage to at least 95% of full-time employees and the people they are providing for. That coverage has to be affordable and meet the criteria for minimum value standards, or the company may get a penalty. ALEs also file Forms 1094-C and 1095-C with the IRS every year. Every line on those forms depends on accurate hours of work that you have done.
Managers Become Part of the HR System
With 50 people, the founder or office manager can no longer look out for every hire, schedule change, and complaint. Team leads start giving away leave, signing off on timesheets, and handling first-level discipline. Without shared rules, each manager runs HR differently.
Some changes can help at this stage:
- Written approval rules. Define who grants leave, overtime, and routine changes, and what record each approval should leave behind.
- Role-based access. Give managers the data their decisions need and nothing more. Salary history and medical paperwork usually stay with HR.
- Signing head for HR documents. Decide in writing who can sign offer letters, raises, and termination letters. A letter signed by an unauthorized person can make everyone unsure whether the company is actually bound by it.
Short manager training on leave requests pays off quickly. A manager who doesn’t appreciate someone from taking protected leave can expose the company to an FMLA interference claim, even if HR never got to know about the request.
Start Counting at 40
The most profitable habit a growing company can build is a monthly count that starts at around 40 employees. Look after full-timers, part-time hours converted to equivalents, and headcount within 75 miles of each worksite. That count gives you nearly a year of warning and enough time to get ready.
Records are the one thing you can’t catch up on later. A health plan can be set up in a few weeks, and a handbook can be rewritten in a few days. Twelve months of hours data or leave designations that were never recorded can’t be rebuilt after the fact.
FAQs
1. Why does HR become more important when a company reaches 50 employees?
Ans: As a company grows beyond 50 employees, managing people becomes more complex. HR needs to handle recruitment, employee records, payroll, performance reviews, workplace policies, and employee concerns more systematically. A dedicated HR team or structured HR processes can help keep everything organised.
2. Does a company need a dedicated HR department after reaching 50 employees?
Ans: Not necessarily, but having dedicated HR support becomes increasingly valuable. A growing workforce brings more responsibilities, including onboarding, employee engagement, compliance, and conflict management. A dedicated HR professional can help manage these tasks efficiently and support further business growth.
3. What HR challenges do companies commonly face after crossing 50 employees?
Ans: Common challenges include maintaining consistent company policies, managing employee performance, handling payroll accurately, ensuring legal compliance, and improving communication across teams. Without clear processes, these responsibilities can become difficult to manage as the workforce expands.
