Zellis headquarters details
- City
- Bristol
- State / region
- England
- Country
- United Kingdom
- Phone
- +44 800 042 0315
- Founded
- 1963
- Website
- zellis.com
- linkedin.com/company/zellisukltd
Location map
Open in Google MapsAll Zellis office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Bristol HQ | England | United Kingdom | Headquarters |
Showing the headquarters of 7 recorded locations. See every location in GraphIQ →
About Zellis
Zellis is headquartered in Bristol, England, United Kingdom. Founded in 1963, the company has 7 recorded locations across 4+ countries and employs approximately 1,606 people worldwide.
Where is Zellis's main office?
Zellis's main headquarters office is located at Bristol, England, United Kingdom. This is the company's primary corporate address.
Zellis regional offices
Beyond its headquarters in Bristol, Zellis has recorded locations in United Kingdom, Brazil, Italy and Latvia.
Zellis contact information
The main switchboard for Zellis headquarters can be reached at +44 800 042 0315. Official website: zellis.com.
What does Zellis do?
Zellis UK Limited operates as a human resources consulting company. The Company offers human resources software and outsourcing, business intelligence, payroll software, and payroll outsourcing. Northgatearinso also provides information technology consultancy and support services in the United Kingdom.
Frequently asked questions
Where is Zellis headquarters?
Zellis's headquarters is located at Bristol, England, United Kingdom.
How many offices does Zellis have?
GraphIQ records 7 locations for Zellis across 4+ countries, as of October 2026.
When was Zellis founded?
Zellis was founded in 1963 and employs approximately 1,606 people.
What is Zellis's phone number?
The main phone number for Zellis headquarters is +44 800 042 0315.
How many employees does Zellis have?
Zellis has approximately 1,606 employees (GraphIQ estimate, 2026).