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We are the UK and Ireland’s leading provider of AI enabled HR, WFM and Pay solutions
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Software & services
Our software
ZellisONE
The full people experience, unified
Human Resources
Simplified people management
Pay
Intelligent payslips, built-in compliance
Workforce Management
Empower your workforce
Talent
Unlock potential
Benefits
Personalise your employee experience
HCM AIR and Cloud
All-in-one HR and Pay software
The Zellis Difference
The all-in-one AI-enabled platform
One intelligent source of truth
Our expertise in pay
Compliant, real-time solutions
AI with humanity
Authentic AI solutions to support your people
A people-centric tech partner
A tailored service built for people
Our services
Zellis Services
Continuous improvement in action
Managed Pay Services
End‑to‑end payroll outsourcing
Technology Enabled Services
Boost accuracy and compliance
Programme Implementation Services
Connect technology and people
Advisory Services
Drive change and efficiency
Who we serve
Browse by sector
Retail
Hospitality
Manufacturing
Financial Services
Local Government
Public Sector
Emergency Services
Multi-Academy Trusts
Higher Education
Find out how we help public sector organisations thrive
The public sector is going through an exciting period of digital transformation.
Learn more
Resources
Resources
Case studies
Downloads
Press and media
Events
Webinars
Blog
All resources
Download the Financial Fitness at Work Report
New research from Zellis reveals how money worries are affecting focus, engagement and retention, and what employers can do to respond.
Download yours today
About us
About Us
About us
We are the UK and Ireland’s leading provider of AI enabled HR, WFM and Pay solutions
Why Zellis?
A partner you can trust
Careers with us
Shaping what’s next for the world of work
Zellis Connect
Our flagship event
Statements and reports
Read our statements, strategies and reports
Contact us
New or existing customers, we’d love to hear from you
Did you miss Zellis Connect 2025?
Check out the highlights of Zellis Connect, including the launch of our new AI-enabled all-in-one platform, ZellisONE.
Watch now
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Managed services
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Resources
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Managed services
January 30, 2026
In-house vs managed payroll: which model fits your organisation?
January 23, 2026
Payroll compliance in the UK and Ireland: What employers need to know
July 12, 2024
Tech-enabled managed payroll services from Zellis Ireland
June 21, 2024
How payroll shared services directors can maintain efficiency and compliance
January 24, 2023
Find a partner that goes beyond traditional payroll outsourcing
December 12, 2022
Five signs you need a managed payroll service
August 16, 2022
5 steps to better employee background checking
February 3, 2022
Power in partnership: how Zellis’ managed payroll services kept HSE’s payroll going through the worst cyberattack in its history
January 31, 2022
Zellis Ireland celebrates its 30th birthday
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