DELTA
DELTA is a Dutch telecommunications provider based in Middelburg that offers fiber-optic internet, television, and telephony services. The company primarily operates within the Netherlands and is a subsidiary of the investment firm EQT Infrastructure.
Brand Identity Data
HQ Country
Netherlands
HQ City
Middelburg
Founded
1991
EU Headquartered
Yes
EU Manufactured
No
Ownership Type
private
Stock Exchange
Private
Tax Domicile
NL
Ultimate Parent
EQT AB
Data Hosting
NL
GDPR Status
compliant
B Corp Certified
No
Repair / Recycling
Yes ✓
Ethical Certifications
None verified
Verified on October 15, 2026
Corporate Lineage
2017
Acquisition by EQT
DELTA was acquired by EQT Infrastructure from the Province of Zeeland.
2019
Caiway Merger
DELTA merged with fellow Dutch provider Caiway under the Delta Fiber brand.
2021
Refinancing
EQT Infrastructure sold a 48.6 percent stake in Delta Fiber to Stonepeak.