Zellis headquarters details
Bristol, City of Bristol, United Kingdom
College Green
City of Bristol
United Kingdom
1963
Location map
Open in Google MapsAll Zellis office locations
| City | State / region | Country | Type |
|---|---|---|---|
| College Green HQ | City of Bristol | United Kingdom | Headquarters |
About Zellis
Zellis (Private) is headquartered in College Green, City of Bristol, United Kingdom. Founded in 1963, the company operates across 4 countries with approximately 1,606 employees worldwide.
Where is Zellis's main office?
Zellis's main headquarters office is located at Bristol, City of Bristol, United Kingdom, College Green, City of Bristol . This serves as the company's primary corporate address and is home to its executive leadership team.
Zellis regional offices
Beyond its headquarters in College Green, Zellis maintains 7 offices across 4 countries. Regional offices span 4 countries.
Zellis contact information
The main switchboard for Zellis headquarters can be reached at 4408000420315. For investor relations, visit zellis.com/investor-relations.
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, City of Bristol, United Kingdom, College Green, City of Bristol , United Kingdom.
How many offices does Zellis have?
Zellis operates 7 offices across 4 countries as of 2026.
What is Zellis's corporate address?
The official corporate address is Bristol, City of Bristol, United Kingdom, College Green, City of Bristol .
When was Zellis founded?
Zellis was founded in 1963 and has grown to employ approximately 1,606 people worldwide.
What is Zellis's phone number?
The main phone number for Zellis headquarters is 4408000420315.