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Software & services
ZellisONE HR
Redesign HR for the people who keep work moving
HR solutions
HR software for the people who keep work moving
Strengthen the relationship between your organisation and its people.
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ZellisONE WFM
Explore smarter scheduling, forecasting and optimisation
WFM solutions
Run your workforce with confidence
AI-enabled workforce management software built into the same platform as HR and payroll.
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ZellisONE Pay
Reinvent payroll experiences at speed
Pay solutions
The most advanced payroll engine in the market
Move beyond payroll efficiency and create value from day one.
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ZellisONE Talent
Attract, grow and retain your people
Talent solutions
Talent Management that reinvents how work gets done
Rethink development and performance, and hire for long-term fit.
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The Zellis difference
Find out more about why thousands of organisations choose to work with us.
Work doesn't just happen in offices
Worklife reinvention means redesigning how work gets done for the people who keep the economy moving.
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Who we serve
We support industries and sectors across the UK&I.
The public sector is going through an exciting period of digital transformation
Find out how we help public sector organisations thrive.
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Resources
Explore our latest case studies, blogs, events and webinars.
Lived Experiences With Financial Wellbeing
Read our latest research into employees' real experiences with financial wellbeing tools.
Read the full report
About us
We are the UK&I's leading provider of AI-enabled HR, WFM and Pay solutions.
Ready to unlimit what’s next?
Experience first-hand how our solutions can transform your organisation.
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Zellis Services

What’s next are exceptional outcomes

Move faster, reduce risk and unlock more value from HR, Workforce Management and Pay with Zellis Services.

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Expert services for every part 
of your organisation

From strategy and implementation to ongoing operations,
our teams combine domain expertise with a partnership model
built on trust, collaboration and precision.

Managed Pay

From resilience to insight, Zellis Managed Payroll Services works seamlessly behind the scenes, giving you peace of mind every single month.

Read more about our Managed Pay Service

Payroll Assistance

From continuity and capacity through to projects and reconciliation, Zellis Payroll Assistance Services flex around your in-house team, keeping payroll accurate, compliant and on time.

Read more about Payroll Assistance Service

Advisory Services

Empower your people. Sharpen your strategy. HR, Pay, and WFM consulting, platform health checks, and tailored learning to build capability and confidence.

Read more about Advisory Services

Application Maintenance

AMS gives you direct access to a dedicated team with deep product knowledge, continuity and experience, without the challenges of recruitment, onboarding or key-person dependency.

Read more about AMS

Implementation

Set up for success. ZellisONE implementation and configuration, data migration, reporting, and workflow automation built around your goals.

Read more about our Implementation Services

Technology Enabled Services

Focus on what matters. Managed Pay, Managed HR, Application Management, BI, automation, and support to keep your organisation running smoothly 24/7.

Read more about our Technology Enabled Services

A partnership that changes 
the way you work

At the heart of our model lies continuous improvement.
Wherever you start, we help you build momentum and scale with confidence.

Expert-led

Access specialists with decades of HR, Pay and Workforce Management experience.

Hands-on

Expect close collaboration, proactive guidance, and ongoing support.

Outcome-driven

Achieve measurable business impact, not just efficient system outputs.

Trust

Rely on dedicated experts who safeguard your most critical operations.

Choose what’s next with Zellis Services

With £17bn paid through Zellis Managed Services every year, your employees are in good hands.

  • Services that flex to your business goals
  • 300+ experts across the UK, Ireland, and India
  • Trusted by leading organisations across industries
  • More than a service provider – we’re a transformation partner.

Find out more about us

Outcomes that matter for everyone

Whether you’re driving growth, shaping a boardroom vision on culture or need operational detail to protect margins, Zellis Services help you deliver.

For Chief Executive Officers

Focus on growth, not admin, while experts run your operations.

For Chief People Officers

Let HR drive culture and strategy to shape the future of work.

For Chief Financial Officers

Reduce risk, control cost, and unlock financial insight with precision-led Pay and HR operations.

Don’t just take our word for it

We know with Zellis, that the technology is underpinned by a market-leading provider. It’s amazing to see that partnership of tech and strategy delivered to our employees.
Katie Duxbury
Head of Pay & Reward Services
BUPA
Supported by Zellis, we see our role as treating the employee as a customer and want to give them an exceptional customer experience from end-to-end.
Ian Hodson
Director of People & Culture
Housing 21
We could not imagine working without Zellis: using their payroll functions, HR functions, and employee self-service systems. They’ve been by our side for so long now.
Omar Parvez
Senior HR Systems Manager
HomeServe Membership Limited

Your next step starts here

Our management consultants and learning team are here to help you move forward, with confidence and clarity.

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Trusted by leading global clients