Employee onboarding is the process of integrating a new starter into your business properly, from the moment they accept a job offer through to them becoming a fully effective, engaged employee. A clear checklist makes sure right to work checks, contracts, equipment, introductions and a fair probation review all happen consistently, rather than depending on one person remembering every step.
In short:
- Onboarding should start as soon as a job offer is accepted, not on the new starter’s first day.
- Before day one, employers must complete a right to work check and issue a written statement of employment particulars.
- The first day, first week and first month each have their own priorities, moving from essentials to context to early contribution.
- There’s no statutory minimum or maximum probation period, but three to six months is typical.
- A fair probation includes regular check-ins, not just a single meeting at the end.
What is employee onboarding?
Employee onboarding covers everything that happens between someone accepting a job offer and them settling into a productive role. It’s broader than induction, which usually just refers to the first day or two, and broader than paperwork, which is only one part of it.
Good onboarding is planned in stages: before the first day, the first day itself, the first week, the first month, and the probation period that follows. Treating onboarding as a single event rather than a process is one of the most common reasons new starters disengage early.
When should the onboarding process start?
Onboarding should start as soon as a job offer is accepted, not on the new starter’s first day. That gives enough time to complete compliance checks properly, get contracts and paperwork signed, and have equipment and systems access ready to go, rather than trying to do all of it on day one.
Starting early also means the new starter isn’t left waiting around while accounts get set up or a desk gets found, which sets a poor first impression before they’ve even started.
The complete employee onboarding checklist
Use this as a starting point, then adapt it to your own policies and any specific industry requirements.
Before the first day
- Complete a right to work check
- Issue a written statement of employment particulars, due no later than day one
- Set up systems access, email, and any equipment the role requires
- Confirm start time, location, and who to ask for on arrival
- Let the existing team know who’s joining and when
First day
- Welcome from their manager and introductions to the immediate team
- Confirm systems access, equipment, and workspace are working
- Cover health and safety essentials, including fire procedures
- Sign off any outstanding paperwork
- Share a clear plan for the rest of the week
First week and first month
- Introduce the organisation’s structure, policies, and tools
- Set out what’s expected of the role and how success is measured
- Hold regular, informal check-ins to surface early questions
- Carry out a formal 30 day review covering progress and training needs
Probation
- Confirm the probation length and objectives in writing
- Hold regular check-ins throughout, not just at the end
- Complete a documented final review before confirming, extending, or ending employment
A good onboarding checklist works whether you’re managing it on a spreadsheet or with dedicated HR software, the important part is having a consistent process that doesn’t rely on memory.
What should happen on a new starter’s first day?
The first day sets the tone. Priorities are a warm welcome, the essentials, and enough structure that the new starter isn’t left sitting idle. That means introductions to the team, working equipment and access, a safety briefing, and a clear idea of what the rest of the week looks like. Where possible, front-load paperwork into the pre-boarding stage so day one can focus on people rather than admin.
What happens in the first week and first month?
The first week is about building context and early confidence, covering the organisation’s structure, policies and tools alongside the specifics of the new starter’s own role. By the end of the first month, they should be moving from observation towards contribution, usually marked by a first formal check-in, sometimes called a 30 day review, covering how they’re settling in and whether early objectives are realistic.
How long should probation last?
There’s no statutory minimum or maximum probation period in the UK, but three to six months is typical, with three months common for most roles and six months more usual for senior or complex positions. Whatever length is set, it should be stated clearly in the employee’s written statement of employment particulars.
A fair probation period includes regular check-ins, not just a single meeting at the end, clear objectives the new starter was actually told about, and a documented final review before confirming employment, extending probation, or ending it. See Acas guidance on probationary periods for more on managing this fairly.
Tips for a smooth onboarding process
- Start onboarding as soon as an offer is accepted, not on the first day.
- Front-load compliance and paperwork so day one can focus on people.
- Use a written checklist so nothing depends on one person’s memory.
- Check in regularly during probation, not just at the final review.
- Ask new starters for their perspective in the first month, they often spot process gaps others have stopped noticing.
Onboarding without the guesswork
Working through an onboarding checklist by hand is manageable occasionally, but it gets harder to stay consistent as a team grows. Sense HR’s onboarding workflow sends contracts and right to work documents for e-signature before day one, assigns checklist tasks to HR, IT and line managers, and schedules probation reviews automatically so nothing gets missed.