The ROI Of HR Tech: How To Build A Business Case For Investment

Employment Hero commissioned research found that the average SME is using 3-4 systems to manage employment, but 74% agree that payroll and HR should be integrated systems, not separate. It’s clear that managing employment is more complicated than it needs to be… and that HR software can save your business time and money. 

Most businesses already know which HR software they need. The harder question is how to get a business owner, CEO or finance director to approve the spend.

This guide gives you everything you need to build a compelling, evidence-backed HRIS business case, including:

• The ROI framework.
• UK HR compliance arguments. 
• Stakeholder talking points. 

¹ Employment Hero commissioned research with One Poll, UK, February 2025, n=500 (business leaders/owners in companies of under 150 employees)

What is HR software ROI and why it’s hard to measure

The ROI of HR software refers to the value your business gains from investing in HRIS technology, compared to the cost of that investment. On the surface, the calculation seems straightforward; savings and benefits minus costs. In practice however, it can be more nuanced. 

A strong HR technology ROI story often includes both tangible and intangible returns. Tangible outcomes might include:

• Time saved by automating manual processes, such as payroll or onboarding.
• Fewer errors in compliance reporting or data entry.
• Better hiring decisions that reduce turnover and shorten time-to-fill.

Intangible benefits, while harder to quantify, can be equally powerful. These might include improved employee experience, stronger company culture or more informed decision-making from better human resources analytics.

This is where the challenge comes in; traditional return on investment formulas were built for straightforward financial investments, not people-focused technology. While you can measure cost reductions and efficiency gains, it’s harder to assign a pound value to things like increased engagement or reduced burnout, yet these outcomes have a real impact on business performance.

Understanding and communicating both sides, quantitative and qualitative, ensures your business case reflects the full value of the investment, not just the easy-to-measure metrics.

Why HR software is a hard sell and how to fix it

Most HR leaders already know their current setup is broken. Spreadsheets, manual payroll runs, paper contracts, the inefficiency is obvious from the inside. And the data backs it up. Employment Hero’s Work That Works report found that 1 in 3 businesses are spending more than 10 hours a week on admin related to employment. 

Unfortunately, to the people holding the purse strings, the “it’ll make HR and payroll easier” isn’t a strong enough business case. 

What decision-makers respond to is numbers. Specifically:

• What will the new system cost?
• What does it deliver? 
• How quickly does it pay for itself?

Factors to consider when investing in HR tech

Before you start building your proposal, it’s essential to step back and assess whether your organisation is ready and where the biggest opportunities for impact lie. You should consider: 

• Current pain points and inefficiencies:  Identify the challenges your human resources team faces today. Are manual processes slowing down hiring? Is payroll accuracy an ongoing issue? Are compliance tasks eating up valuable time? The more specific you can be, the easier it will be to link these problems to measurable improvements with technology.
• Cost of inaction:  Delaying investment has its own price tag. Extended hiring timelines, preventable compliance fines and disengaged employees can cost far more in the long run than the software itself. Including the cost of doing nothing strengthens your business case by showing the risk of maintaining the status quo.
• Hidden costs: Manual processes, poor data accuracy and the risk of non-compliance often create invisible expenses. Lost productivity, reputational damage and rework can quietly drain resources and hinder growth. These hidden costs should be part of your ROI assessment.
• Organisation size and complexity: The scale and structure of your business will influence the type of solution you need. A growing, multi-location organisation may require more advanced features, integration capabilities and compliance coverage than a smaller business.

By evaluating these factors upfront, you can ensure your investment aligns with both immediate needs and long-term business goals, making your eventual business case stronger, clearer and harder to ignore.

How to build a business case for new HR software: Step-by-step 

Follow these steps to move from ‘we need better HR tools’ to a presentation that gets approved.

Step 1: Audit your current HR costs 

Pull together real numbers. How many hours does your team spend each week on payroll compliance, processing, leave management, reporting and recruitment admin? Multiply by hourly cost. This is your baseline.

Don’t forget hidden costs: the price of fixing payroll errors, the management time spent on disputes or grievances that better documentation could have prevented and any agency recruitment fees you’ve paid in the last 12 months.

Step 2: Identify your biggest compliance gaps

Run a quick audit against the current UK compliance landscape. Are your employee records GDPR-compliant and auditable? Are you correctly applying Employment Rights Act obligations? Are your auto-enrolment processes documented and verifiable?

Every gap is a risk with a potential cost attached. Quantify it where you can,  even a rough estimate strengthens your case.

Step 3: Map your ROI levers 

Not every organisation will see the same returns in the same areas. Identify which ROI levers matter most for your business: payroll accuracy, recruitment speed, compliance risk reduction, or employee self-service (which reduces HR query volume).

Be specific. “We spend £[X] per month on payroll admin and expect to cut that by [Y]%” is more convincing than general efficiency claims.

Step 4: Build your stakeholder map 

Who needs to approve this? For most UK SMEs, that’s usually the MD or CEO, the CFO or finance lead and potentially the board. Each has different priorities. Map them before you build your deck.

Step 5: Choose your metrics for success 

Agree upfront on the KPIs you’ll track in the 12 months after go-live. This signals confidence and makes the business case feel like a strategic plan, not just a purchase request.

Step 6: Use the template Our free HRIS business case template gives you a pre-built framework covering all six steps above, with placeholder data tables, ROI calculation guidance and a one-page stakeholder summary you can adapt for any audience.

The business case isn’t complicated. Building it is.

Building the business case is where most HR leaders get stuck.

You already know the current setup isn’t working. Your team is spending time on admin that should be automated. Your systems aren’t talking to each other. And somewhere in the business, a compliance gap is quietly creating risk.

Building the investment case for HR software takes work. Getting it past the decision makers takes more.

This guide gives you the framework to do that.