Addivant headquarters details
- Street address
- 4 Mountainview Terrace
- City
- Danbury
- State / region
- Connecticut
- ZIP / postal code
- 06810-4116
- Country
- United States
- Phone
- +1 203 702 6140
- Founded
- 2013
- Website
- siigroup.com
- linkedin.com/company/addivant
Location map
Open in Google MapsAll Addivant office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Danbury HQ | Connecticut | United States | Headquarters |
Showing the headquarters of 19 recorded locations. See every location in GraphIQ →
About Addivant
Addivant is headquartered in Danbury, Connecticut, United States. Founded in 2013, the company has 19 recorded locations across 4+ countries and employs approximately 149 people worldwide.
Where is Addivant's main office?
Addivant's main headquarters office is located at 4 Mountainview Terrace, Danbury, Connecticut 06810-4116, United States. This is the company's primary corporate address.
Addivant regional offices
Beyond its headquarters in Danbury, Addivant has recorded locations in United States, France, Germany and India.
Addivant contact information
The main switchboard for Addivant headquarters can be reached at +1 203 702 6140. Official website: siigroup.com.
What does Addivant do?
Addivant is a leading global supplier of antioxidants, intermediates and inhibitors, polymer modifiers, and UV stabilizer solutions. Addivant provides only manufacturer to market all major families of stabilizers, we offer the widest range of performance-based polymer additives in the industry.
Frequently asked questions
Where is Addivant headquarters?
Addivant's headquarters is located at 4 Mountainview Terrace, Danbury, Connecticut 06810-4116, United States.
How many offices does Addivant have?
GraphIQ records 19 locations for Addivant across 4+ countries, as of October 2026.
What is Addivant's corporate address?
The corporate headquarters address is 4 Mountainview Terrace, Danbury, Connecticut 06810-4116, United States.
When was Addivant founded?
Addivant was founded in 2013 and employs approximately 149 people.
What is Addivant's phone number?
The main phone number for Addivant headquarters is +1 203 702 6140.
How many employees does Addivant have?
Addivant has approximately 149 employees (GraphIQ estimate, 2026).