Our AI-enabled HR, Workforce Management and Pay solutions help you shape the workplace
What's next is
Scalable
Configurable
Future-proof
Reinventing worklife for the UK and Ireland
Across the UK and Ireland, Zellis helps organisations with complex, high-volume workforces adapt how work gets done with confidence and control.
We modernise HCM by connecting the data, workflows and experiences behind everyday work.
Built for scale and real-world complexity, with applied AI embedded into daily processes to reduce friction, improve decision making and make worklife smoother.
- 1 in 7UK and Ireland employees are paid by Zellis
- 29 million+payslips processed every year
- 65+ yearsproviding HR and payroll to the UK and Ireland
Advanced AI on the UK’s most trusted payroll
Built to deal with the most complicated payroll while keeping you compliant.
Eliminate the end of month scramble, provide clarity to your employees about their pay and spot errors before they cost you.
All on an engine proven on some of the UK and Ireland’s largest and most demanding payrolls.
- Real-time engine that processes payroll continuously across the cycle, not just at cut-off
- AI anomaly detection that flags errors, missing data and compliance risks as they appear
- Intelligent payslips that break down every payroll change in simple terms
HR designed with your people in mind
Create personalised employee experiences and support your people wherever they are.
Maintain a single, accurate source of truth for all employee data, improve self-service capabilities for employees with ELLA, our embedded AI assistant, while freeing your managers from endless admin.
- Automated joiner, mover and leaver workflows
- A 24/7 AI assistant for everyday HR questions
- Personalised onboarding, from offer to first pay
Remove the guesswork from workforce management
Predict demand so service levels are correct, costs stay predictable and your teams don’t burn out.
Time feeds directly into pay, so what’s worked is what gets paid, while schedules are staffed to real demand using internal and external data to build reliable forecasts.
- Demand forecasting using historic sales data and external sources such as local events and weather
- Automated scheduling, optimised across sites and shifts that factors in skills and availability
- Real-time visibility of headcount and labour cost
Trusted by leading organisations
Thanks to our configurable, scalable solutions, ISO and SOX compliant, we’re a great fit for organisations in both the private and public sector.










































What’s next
is in the numbers
1 in 7

4.6 million
£17bn
20%

Our latest conversations
Check out some of this month’s latest insights, thought leadership, and events news from Zellis.
The Grey Zone: The Untapped Advantage of AI Alignment
Discover how AI alignment can unlock employee resilience, better decision-making and build workplaces cultures based on transparency and trust.

Financial Fitness at Work
New research reveals how money worries are affecting employee focus, engagement and retention, and what employers can do to respond.

Insights to unlimit what’s next
Get access to our expert guides, research reports and webinars – designed to help your organisation perform at its best.
Auto-Enrolment: Opt-Out Realities, Common Pitfalls, and What’s Next
Sean Murray explores how auto-enrolment is working in practice and what it means for Irish employers and payroll leaders.
Zellis celebrates multiple inclusions in Reward 300 and Partner 75 for 2026
Zellis colleagues recognised in Reward 300 and Partner 75 at the Reward Strategy 2026 Summer Reception.
AI Turning Point – Rewriting the HR Operating Model
Following the success of our exclusive AI Turning Point events at Aqua Shard, we're delighted to bring the conversation online. Join Perry Timms and Steve Elcock as they explore how AI is reshaping the HR operating model - and what that means for HR leaders today.
























