Supporting the employee lifecycle in one system: onboarding, offboarding and absence tracking

HR software can manage onboarding, offboarding and absence tracking in one system.

The true test is whether this is supported through one employee record, created during hiring and maintained throughout the entire employee lifecycle.

To minimise administrative work and optimise the employee lifecycle, the same record should be used for all elements of HR.

However, many UK businesses manage the employee lifecycle through spreadsheets, shared inboxes and a handful of separate trackers.

This patchwork of processes is what a single system aims to resolve.

So, don’t treat onboarding, offboarding and absence tracking as three separate checkboxes, as this is often where the trouble starts.

While they’re three different points in the employee lifecycle, each carrying their own UK statutory obligations, shared data ensures a joined-up approach.

This blog covers joining up the employee lifecycle, what’s required at each stage, which questions to ask vendors and how the two IRIS HR products compare.

What ‘supporting the employee lifecycle’ actually means

In practical terms, having HR software that supports the employee lifecycle means that a single employee record is created when a new starter is hired, and it follows them throughout their journey.

Onboarding, absence management and offboarding are three separate capabilities, each essential for HR, but create issues if they fail to connect.

• Rebuilding a candidate’s records when they join is time-consuming and prone to human error.
• Absences accrued against a standard entitlement when the person works irregular hours result in the wrong balance until manually corrected.
• A leaver deactivated in HR while the final payment, accrued holiday and P45 are still outstanding somewhere else leads to a mess that needs cleaning up.

None of these are HR feature gaps.

Each one is a handover of data, and without the capabilities connected, it’s down to someone’s memory to pick up the pieces.

Onboarding: what your HR software needs to do

Once a new starter has finished their onboarding, you should be left with a complete employee record that feeds into payroll and subsequent HR processes, such as learning & development and performance management.

What your HR software should handle

• Send the offer letter and employment contract, collecting an electronic signature and a record of signing
• Collect essential employee documents, providing deadlines and an automatic chase
• Assign tasks across HR, IT and the line manager, offering a visible completion status
• Put in place probation start, review and end dates
• Create one employee record that other areas, such as payroll and learning, can draw from

What UK law requires at this stage

• A right to work check before employment starts, collecting evidence and the date of the check, which must be kept on record for the entire duration of the employee’s employment and for two years after their employment ends.
• A written statement of the main terms of their job (the principal statement) on or before the first day, including how long probation lasts and its conditions.
• A P45 or HMRC starter checklist to set the tax code, reported on a Full Payment Submission (FPS) on or before the first payday.
• An automatic enrolment assessment on their first day of employment, with postponement of up to three months and the postponement notice issued within six weeks of the date postponement starts. Where no postponement is used, enrolment information is due within six weeks of the automatic enrolment date.
• Holiday entitlement is calculated from their start date, including 12.07% accrual per pay period for irregular hours and part-year workers.

Note that from 1 January 2027, the qualifying period for unfair dismissal changes, dropping from two years to six months.

This change emphasises the need for strong probation processes, ensuring you can determine if a worker is suitable before you hit the new six-month qualifying period.

You need your HR software to not only store the probation date, but also prompt managers to take action as deadlines approach.

There’s a simple test for whether onboarding is connected: count how many systems a new starter has to be entered into, and if the answer is more than one, the HR system isn’t doing the work; a person is.

Absence and leave tracking: what your HR software needs to do

Absence and leave tracking is a job that can quickly spiral out of control if HR teams don’t have the necessary tools in place.

High volumes of small transactions and arguments about balances are not uncommon.

What your HR software should handle

Your HR software needs to offer self-service, so employees can request leave and managers can approve, without involving HR.

Day-to-day, it also needs to handle:

• Entitlement and accrual calculation
• Carry-over rules
• Team calendars
• Return-to-work recording
• Configurable absence trigger points, adjustable where absence is disability-related

Behind that, your HR software also needs to keep detailed records:

• Absence reporting that shows cost and pattern, not just totals
• Leave records that aren’t deleted when the year rolls over
• A record of what each holiday payment was made up of, not just the total
• Statutory Sick Pay (SSP) triggered from the first qualifying day, with the flat rate and 80% of average weekly earnings compared automatically so the lower one is paid
• Statutory payments passed to payroll as values with effective dates

What UK law requires at this stage

Your obligations for employee leave changed quite significantly in April 2026, following a wave of updates brought on by the Employment Rights Act 2025.

• Statutory Sick Pay became a day-one right and is now payable from the first day of sickness absence, removing the three unpaid waiting days.
• The Lower Earnings Limit (LEL) has been abolished, so there is no longer a minimum earnings requirement for SSP. As such, SSP is now the lower of the flat rate (£123.25 a week) or 80% of average weekly earnings. In practice, the flat rate will be used for most employees, and 80% of earnings for lower earners.
• Employers must keep records of annual leave and holiday pay for at least six years, covering leave taken, leave carried forward, what the holiday pay was made up of and any payment in lieu, including final pay on termination.
• Paternity leave and ordinary parental leave became day-one rights, removing the 26-week qualifying period.

In addition to the April 2026 changes, other areas you need to be aware of include: 

• Holiday for irregular hours and part-year workers accrues at 12.07% of hours worked in each pay period.
• Maternity, paternity, adoption and shared parental leave, each with its own notice periods, evidence requirements and pay calculations.

It’s worth noting that in April, the Employment Rights Act also introduced the Fair Work Agency to enforce these changes, emphasising the need for strong record-keeping should they ever come knocking.

David Kisiaky, Senior Manager of Product Management at IRIS, offered some valuable perspective: “The Fair Work Agency is being brought in to amalgamate compliance and policy agencies.

“Now, if the Fair Work Agency comes into your business, they’ll want to know more than what initially brought them in, so you need to have your records right.

“The requirements for keeping some records can go up to six years.

“That’s a lot of record-keeping.”

Offboarding: what your HR software needs to do

The extent of offboarding in many UK businesses is revoking access to systems.

Deactivating logins is the easy part.

Offboarding also covers:

• Final pay
• Any holiday built up but not taken
• P45
• Telling HMRC and the pension scheme
• Keeping the person’s records long after they’ve left

What your HR software should handle

• Employee resignation or termination recorded against their record with a leaving date
• Create an exit task workflow, covering HR, IT, payroll and facilities, assigning owners and due dates
• Exit interview or survey capture to formally record leaving reasons
• Access and permission removal
• Retain employee records after deactivation, so they remain retrievable

What UK law requires at this stage

• Correctly calculated final pay, including accrued but untaken holiday
• P45s sent to exiting employees, with leaving dates on the payroll record and reported on the next Full Payment Submission (FPS)
• Notify the pension scheme that the employee has left
• Data retention across HR, absence and learning records, including right to work evidence for two years and holiday pay records for six

What often catches businesses out is what happens after the P45.

The offboarding process is not finished when their accounts have been disabled, but when the final payment is made.

A leaver fully offboarded in HR may still be in payroll weeks later, waiting for their final payment.

Note that payments made to a leaver after their leaving date, such as a bonus or a corrected holiday payment, will still attract student loan deductions and must be taxed on a 0T code, applied non-cumulatively on a week 1 or month 1 basis.

Which IRIS HR products fit: Staffology HR and IRIS Cascade

IRIS offers two HR systems, Staffology HR and IRIS Cascade, that support every stage of the employee lifecycle.

The choice comes down to two questions:

• How complex are your HR processes?
• Where do you want payroll to sit in your setup?

The table below sets out how each product handles onboarding, absence and offboarding.

Staffology HR

Staffology HR is best for businesses with straightforward HR processes that want the full lifecycle covered without heavy configuration.

Typically that means:

• 50 to 250 employees
• A small HR team
• One or two sites
• Standardised approval routes

In Staffology HR, onboarding runs on set workflows, absence uses standard entitlement rules with self-service for requests and approvals, and offboarding follows a defined leaver task list.

For payroll, Staffology HR integrates with Staffology Payroll, sharing data on starters, leavers and absence values.

IRIS Cascade

IRIS Cascade is best for businesses with complex HR requirements.

Typically that means:

• 250+ employees
• Multiple sites or legal entities
• Varied approval hierarchies
• Extensive reporting requirements

Within IRIS Cascade, onboarding and offboarding workflows are configurable rather than fixed, so your processes can differ by site or team.

Absence rules can also reflect different terms across teams.

Payroll is a built-in module in IRIS Cascade, rather than a separate product.

What to check before you buy HR software for the employee lifecycle

The questions below tell you everything you need to know when it comes to onboarding, leave and offboarding.

• Is a new starter entered once, or do they need to be entered again for other areas, such as payroll?
• Does holiday entitlement calculate automatically for irregular hours and part-year workers?
• Can employees request leave and check their own balance?
• Do statutory payments and unpaid leave automatically reach payroll?
• Does the offboarding process include final pay, accrued holiday and the P45?
• Are records retained and retrievable after a leaver is deactivated?
• Can you report on onboarding, absence and leaver data?

Book a demo and put the questions to IRIS

You have the knowledge and the questions; now it’s time to book a demo and find the right HR software.

Book a Staffology HR demo here, or book an IRIS Cascade demo here.

Onboarding, offboarding and absence tracking

Frequently asked questions (FAQs)

What HR software supports onboarding, offboarding and absence tracking?

HR software that supports all three holds one employee record across the full employee lifecycle. Look for onboarding workflows, self-service tools, absence tracking and offboarding workflows. IRIS offers two systems: Staffology HR and IRIS Cascade.

What is employee lifecycle management in HR software?

Employee lifecycle management means handling every stage of employment, from hire through to retire, in one connected system. In practical terms, the HR software creates one employee record which follows them through their time at your business, connecting with all areas of HR.

Does absence tracking need to be connected to payroll?

Yes. Unpaid leave, Statutory Sick Pay, family leave payments and holiday pay all impact what someone is paid. When absence data is manually re-keyed into payroll, that is where most avoidable errors start.

What does a UK offboarding process need to include?

A UK offboarding process needs:

• Final pay including accrued but untaken holiday
• A P45, the leaving date reported to HMRC on a Full Payment Submission
• Notification to the pension provider
• Recovery of any overpayments
• Removal of access
• Retention of the leaver record

Can one system handle HR and payroll for a UK business?

Yes. IRIS Cascade includes a built-in payroll module, which is recognised by HMRC. Staffology HR integrates with Staffology Payroll, ensuring processes and data are connected.