An employee probation period is a trial window — typically 30, 60, or 90 days — where both a new hire and their employer evaluate whether the role is the right fit. For small teams, getting this right matters more than at a 5,000-person company. One bad hire at a 15-person startup doesn't just hurt productivity — it can shift the entire culture.
This guide walks you through everything: legal context, how to choose the right duration, setting up a policy, evaluating new hires, and what to do when probation ends.
What Is an Employee Probation Period?
A probation period (also called an introductory period or trial period) is a defined timeframe at the start of employment where the company assesses whether the new hire meets expectations. It's a two-way street — the employee also gets to decide whether the company, role, and team are what they signed up for.
During probation, performance check-ins are typically more frequent. Expectations are documented upfront, and the employee receives structured feedback to help them ramp up quickly. At the end of the period, the employer makes a formal decision: confirm, extend, or part ways.
Probation periods aren't just for new hires. Many companies also use them when an existing employee gets promoted to a new role, transfers to a different department, or needs formal performance correction (though this last scenario is closer to a performance improvement plan).
Are Probation Periods Required by Law?
Short answer: no. In the United States, there is no federal law that mandates probation periods for new employees.
Most states follow at-will employment, which means either the employer or employee can end the relationship at any time, for any reason (as long as it's not discriminatory). A probation period doesn't change this legal reality — it's a company policy, not a legal requirement.
The one notable exception is Montana. Under the Montana Wrongful Discharge from Employment Act, employees who have completed their probationary period (typically six months) can only be terminated for good cause. This makes Montana the only state where probation periods carry direct legal weight.
There are a few important legal nuances to keep in mind:
- Unemployment benefits — A probation period does not disqualify employees from filing for unemployment if terminated. Eligibility rules apply the same regardless of probationary status, according to the U.S. Department of Labor.
- Protected rights — Employees retain all anti-discrimination protections during probation. You cannot terminate someone during probation for reasons related to race, gender, age, disability, religion, or other protected classes.
- Benefits eligibility — Some companies tie health insurance or PTO accrual to completing probation. This is legal but must be clearly stated in the offer letter or employee handbook.
Bottom line: Probation periods are a best practice, not a legal mandate. But they should be administered carefully — sloppy documentation or inconsistent application can create legal exposure even in at-will states.
How Long Should a Probation Period Be?
The right duration depends on the role's complexity and your team's ability to evaluate performance within the window. Here's how the three most common options compare:
| Duration | Best For | Pros | Cons |
|---|---|---|---|
| 30 days | Simple, well-defined roles (admin, support) | Quick decision, less anxiety for new hire | Not enough time for complex roles |
| 60 days | Mid-level roles, hybrid positions | Balance of evaluation time and speed | May feel rushed for technical roles |
| 90 days | Senior roles, technical positions, managers | Thorough evaluation, multiple project cycles | Can create prolonged uncertainty |
A 12-person SaaS startup in Portland went with 60-day probation periods for all roles after learning the hard way. Their first three hires had 90-day probation windows, but the founder realized they already knew within six weeks whether someone was working out. The last month just delayed the inevitable — in either direction.
For small teams, 60 days tends to hit the sweet spot. It's long enough to see someone handle real work (not just training materials), but short enough that neither side feels stuck in limbo.
Factors that should influence your decision:
- Role complexity — A customer support rep can demonstrate competence faster than a software engineer building infrastructure.
- Ramp-up time — How long does your onboarding process take? Probation should extend beyond onboarding so you're evaluating actual performance.
- Feedback cadence — Can you commit to weekly check-ins? If your team can only do biweekly, you might need the longer window.
- Team size — At a 10-person company, the new hire's impact is visible almost immediately. At 50+, it may take longer.
How to Set Up an Employee Probation Period Policy
Building a probation policy doesn't require a 40-page HR manual. For small teams, clarity and consistency matter more than formality. Here's a step-by-step approach:
Step 1: Define the Duration and Scope
Decide which roles get probation periods and how long they last. You might use a single duration for everyone (simpler to manage) or vary by role level.
Document this in your employee handbook and include it in every offer letter. The probation terms should never come as a surprise on day one.
Step 2: Set Clear Performance Benchmarks
Vague expectations like "demonstrate cultural fit" lead to vague outcomes. Instead, define 3–5 measurable goals tied to the role. Examples:
- Sales hire: Complete product training, shadow 10 calls, close first deal
- Developer: Ship first feature, complete code review process, pass security onboarding
- Marketing coordinator: Launch first campaign, establish vendor relationships, deliver weekly metrics report
Step 3: Schedule Regular Check-Ins
Don't wait until day 89 to tell someone they're underperforming. Build structured touchpoints into the probation timeline:
- Week 1 — Welcome check-in. Are they settling in? Do they have what they need?
- Week 2–3 — Early feedback. Any concerns on either side?
- Day 30 — First formal review against benchmarks
- Day 60 — Second review (or final if using 60-day probation)
- Day 90 — Final evaluation and decision
Step 4: Document Everything
Keep records of every check-in, feedback conversation, and performance observation. This isn't about building a case for termination — it's about having a clear record if questions arise later.
Use a shared document or your HR platform's notes feature to track progress. Both the manager and new hire should be able to see what's been documented.
Step 5: Plan the Three Outcomes
Every probation period ends one of three ways. Have a process for each:
- Confirmation — The employee passes and transitions to permanent status. Send a formal confirmation letter.
- Extension — Performance is mixed but shows potential. Extend by 30 days with specific improvement targets.
- Termination — The fit isn't right. Handle with dignity, documentation, and according to your company's offboarding process.
Free Employee Probation Period Policy Template
Below is a ready-to-use template. Copy it into your handbook and customize the bracketed sections.
[Company Name] — Employee Probationary Period Policy
Purpose: This policy establishes a structured evaluation period for new employees to assess mutual fit regarding performance, skills, and cultural alignment.
Scope: Applies to all new hires in permanent positions. May also apply to employees promoted to new roles at management discretion.
Duration: The standard probation period is [60/90] days from the employee's start date. Extensions of up to [30] additional days may be granted with written notice and documented justification.
Expectations During Probation:
- Employee will receive a written set of performance benchmarks within their first week
- Scheduled check-ins will occur at [Week 2], [Day 30], and [Day 60/90]
- Employee is expected to complete all assigned onboarding tasks within [timeframe]
- Employee must demonstrate competence in core role responsibilities as outlined in the job description
Evaluation Criteria:
- Job knowledge and skill application
- Quality and timeliness of work output
- Communication and collaboration with team members
- Alignment with company values and culture
- Attendance and reliability
Outcomes:
- Successful completion: Employee receives written confirmation of permanent status
- Extension: If performance is developing but not yet meeting expectations, the probation period may be extended once, with revised benchmarks
- Termination: If the employee does not meet expectations, employment may be ended with [notice period or immediately, per state law]
Employee Acknowledgment:
I acknowledge that I have read and understand the terms of this probationary period.
Employee Signature: _________________ Date: _________
Manager Signature: _________________ Date: _________
How to Evaluate Employees During Probation
Evaluation during probation should be structured, fair, and based on observable evidence. Here's a framework that works well for small teams:
Performance Dimensions
Rate the employee across four core areas, using a simple scale (Exceeds / Meets / Developing / Below Expectations):
| Dimension | What to Look For |
|---|---|
| Job Skills | Can they do the technical work? Are they learning the tools? |
| Work Quality | Is their output accurate, thorough, and on time? |
| Communication | Do they ask questions, give updates, and collaborate effectively? |
| Cultural Alignment | Do they respect team norms? Are they building relationships? |
The "Monday Morning Test"
Here's a simple gut check many founders use: On Monday morning, are you glad this person is coming in? Or do you feel a knot in your stomach?
This isn't scientific, and it shouldn't be the only factor. But if you consistently dread someone's presence after six weeks, that signal matters — especially on a small team where every interaction is amplified.
Structured vs. Informal Feedback
Combine both. Formal reviews at the scheduled milestones give you documentation and clarity. But the informal coffee chat or end-of-day debrief is where you'll catch the subtleties — how they handle stress, whether they take initiative, how they respond to correction.
Keep a running log of observations. A two-sentence note after a notable interaction is worth more than a 45-minute retroactive review session. You can use your team's performance review tools to track these observations in one place.
What Happens at the End of a Probation Period?
The probation period ending is a formal milestone — treat it like one. Don't just let it quietly pass.
Confirmation
If the employee has met or exceeded expectations, send a confirmation letter. It doesn't need to be elaborate, but it should be official. A simple email or letter that states:
- The probation period is complete
- Employment is confirmed as permanent
- Any changes to benefits, PTO accrual, or other terms that take effect
This is also a great moment to celebrate. On a small team, acknowledge the milestone in your company timeline or team channel. A quick "Welcome officially to the team, Sarah!" goes a long way for morale.
Extension
Sometimes the picture isn't clear at 60 or 90 days. Maybe the employee had a slow start but is trending upward. Maybe a key project got delayed and you haven't seen them work on what matters most.
Extensions should be:
- Limited — One extension of 30 days maximum
- Specific — Define exactly what needs to happen for confirmation
- Documented — Put the extension terms in writing
- Mutual — The employee should understand and agree to the revised timeline
Termination
If the decision is to part ways, do it with respect and transparency. By this point, the employee should have received consistent feedback — a probation termination should never be a surprise.
Provide the reason in writing, handle final pay and benefits promptly, and follow your offboarding checklist. In at-will states, you're not legally required to give a reason, but doing so is both professional and reduces the risk of misunderstanding.
Probation Period vs. Performance Improvement Plan (PIP)
These two tools serve different purposes, and mixing them up is a common mistake — especially at small companies without a dedicated HR person.
| Probation Period | PIP | |
|---|---|---|
| Who | New hires (or newly promoted) | Existing employees with known track records |
| When | Start of employment | After performance has declined |
| Duration | 30–90 days | 30–90 days (varies) |
| Tone | Evaluative — "Let's see if this works" | Corrective — "Here's what needs to change" |
| Outcome | Confirm, extend, or end employment | Improve, reassign, or terminate |
| Documentation | Benchmarks set at onboarding | Specific deficiencies + improvement targets |
A probation period is forward-looking: you're evaluating potential. A PIP is backward-looking: you're addressing problems. If you find yourself putting a new hire on a PIP during their probation, that's a red flag — the probation process itself should handle underperformance in the first 90 days.
For a deeper dive on PIPs, check out our performance improvement plan template.
Best Practices for Small Teams
Large companies can absorb a failed hire. You probably can't. Here's how to make probation periods work when you're running lean.
Assign a buddy, not just a manager. Pair the new hire with a peer — someone who isn't their boss. This gives them a safe person to ask "dumb" questions, get the unwritten rules of the culture, and feel connected faster. Research from Harvard Business Review shows that onboarding buddies increase new hire satisfaction by 36%.
Front-load the hard stuff. Don't ease someone in for three weeks and then hit them with the challenging work on day 22. Give them a real project early — something meaningful but contained. You'll learn more from watching someone tackle a hard problem than from watching them sit through orientation videos.
Keep check-ins short but consistent. A 15-minute weekly standup is better than a monthly 90-minute review. At a small company, the manager likely sits near the new hire anyway. Use that proximity for real-time coaching, but still document formal observations.
Use a shared tracking tool. Whether it's a simple shared doc, a spreadsheet, or your people management platform, keep everything in one place. The new hire should be able to see their goals, progress notes, and upcoming milestones. Transparency builds trust.
Don't delay the decision. If you know by week three that someone isn't working out, extending to day 90 doesn't help either party. Similarly, if someone is crushing it by week six, consider confirming them early — it sends a powerful message about your confidence in them.
Separate onboarding from evaluation. Your new hire onboarding checklist covers logistics — setting up accounts, learning the product, meeting the team. Probation evaluation covers performance. They overlap, but they're not the same thing. An employee who aces onboarding can still struggle with the actual work, and vice versa.
Frequently Asked Questions
Can you be fired during a probation period without warning?
In most U.S. states, yes. At-will employment means an employer can terminate employment at any time, during or after probation, without prior warning. However, the reason cannot be discriminatory or retaliatory. A well-designed probation policy includes regular feedback so termination is rarely a surprise, even if not legally required.
Do probation periods affect employee benefits?
This depends on company policy. Some employers delay health insurance, PTO accrual, or retirement plan eligibility until probation is complete. Others provide full benefits from day one. Whatever you choose, spell it out clearly in the offer letter and employee handbook so there's no confusion.
What's the most common probation period length?
90 days is the most widely used duration in the U.S., followed by 60 days. Some industries (government, education) use six-month or one-year probation periods. For small teams, 60 days often provides enough evaluation time without creating unnecessary uncertainty.
Should you use probation periods for promoted employees?
It can be appropriate, especially when someone moves from an individual contributor role to management. The key is framing — call it a "transition period" or "role evaluation" rather than "probation," which can feel punitive for a loyal employee. Provide the same structured feedback and support you'd give a new hire.
Can an employee resign during their probation period?
Yes. Probation is a two-way evaluation. Employees are free to resign at any time, typically with whatever notice period your company requires (often two weeks, though some probation policies waive this). If an employee wants to leave during probation, have an exit conversation to understand what went wrong — it's valuable feedback for improving your hiring and onboarding process.
Is a probation period the same as a trial period?
The terms are often used interchangeably. "Trial period," "introductory period," and "orientation period" all describe the same concept. Some employment lawyers recommend avoiding the word "probation" because it carries negative connotations (think criminal justice) and can imply that post-probation employees have greater job protections — which in at-will states, they don't.
