Is C4-quadriga.eu Legit or Not?
Some signals are mixed. Read the reviews, check the return policy and prefer a payment method with buyer protection.
Last checked October 29, 2026
Summary
C4-quadriga.eu (operated by C4 by Quadriga University) has a trust score of 60 out of 100. The domain registration date could not be verified, and the site uses a valid HTTPS certificate. No customer reviews have been posted yet.
How the site describes itself: "Das C4 Center for Negotiation bietet professionelle Verhandlungsausbildung, Beratung in erfolgskritischen Verhandlungen & Forschungsvorhaben."
What we found
- +10 Valid HTTPS certificate
- 0 Domain age could not be determined
- +3 Contact details published on the website
- −3 Numbers in the domain name
Every website starts at 50 points. How the score works
Company and contact
- Company
- C4 by Quadriga University
- Source
- Copyright notice on the website
- [email protected]
- Phone
- +493084859325
- Policies linked
- None found
- Social profiles
Domain and security
- Registered
- Unknown
- Domain age
- Unknown
- Expires
- Unknown
- Registrar
- Unknown
- HTTPS
- Valid certificate
- Certificate issuer
- Let's Encrypt until Dec 29, 2026
- IP address
- 85.13.132.156
- Email on domain
- Set up
- Google Safe Browsing
- Not checked
Connected websites
Redirects, shared servers, the same operator and links can reveal a network of related sites.
C4-quadriga.eu reviews
Write a reviewNobody has reviewed C4-quadriga.eu yet
Ordered from them? Your review helps the next person decide.
Write the first reviewReview C4-quadriga.eu
Share what happened after you ordered. Please do not include links.
What people search about C4-quadriga.eu
The most common searches about C4-quadriga.eu, so you can see what other shoppers want to know.
- c4 quadriga
Is C4-quadriga.eu legit, safe or a scam?
Is C4-quadriga.eu legit?
Based on our checks, C4-quadriga.eu scores 60 out of 100, which we rate as "Use Caution". There are no customer reviews yet, so we cannot confirm what buying from them is like.
Is C4-quadriga.eu safe to buy from?
C4-quadriga.eu uses a valid HTTPS certificate, so payment details are encrypted on the way to the site. Whatever the score, pay with a card or PayPal so you can dispute the charge if something goes wrong.
Is C4-quadriga.eu real or fake?
C4-quadriga.eu appears to be a real website, but some signals are mixed. Check the contact details and reviews before trusting it with money.
Is C4-quadriga.eu a scam?
We cannot rule it out. C4-quadriga.eu shows mixed signals, so read the reviews and start with a small order if you decide to buy.
Is C4-quadriga.eu trustworthy?
There are not enough customer reviews yet to judge. Our automated checks give it 60 out of 100.
Who owns c4-quadriga.eu?
According to copyright notice on the website, the website is operated by C4 by Quadriga University.