Is Sinus-institut.de 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 27, 2026
Summary
Sinus-institut.de (operated by SINUS-Institut | Markt- und Sozialforschung) has a trust score of 55 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 SINUS-Institut ist ein unabhängiges Institut für Markt- und Sozialforschung in Heidelberg und Berlin. Das bekannteste Produkt sind die Sinus-Milieus."
What we found
- +10 Valid HTTPS certificate
- 0 Domain age could not be determined
- −5 No contact details found on the homepage
Every website starts at 50 points. How the score works
Company and contact
- Company
- SINUS-Institut | Markt- und Sozialforschung
- Source
- Site name published by the website
- Not found
- Phone
- Not found
- Policies linked
- None found
Domain and security
- Registered
- Unknown
- Domain age
- Unknown
- Expires
- Unknown
- Registrar
- Unknown
- HTTPS
- Valid certificate
- Certificate issuer
- Let's Encrypt until Dec 15, 2026
- IP address
- 116.202.120.18
- 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.
Links to (7)
External websites linked from the homepage.
Sinus-institut.de reviews
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What people search about Sinus-institut.de
The most common searches about Sinus-institut.de, so you can see what other shoppers want to know.
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Is Sinus-institut.de legit, safe or a scam?
Is Sinus-institut.de legit?
Based on our checks, Sinus-institut.de scores 55 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 Sinus-institut.de safe to buy from?
Sinus-institut.de 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 Sinus-institut.de real or fake?
Sinus-institut.de appears to be a real website, but some signals are mixed. Check the contact details and reviews before trusting it with money.
Is Sinus-institut.de a scam?
We cannot rule it out. Sinus-institut.de shows mixed signals, so read the reviews and start with a small order if you decide to buy.
Is Sinus-institut.de trustworthy?
There are not enough customer reviews yet to judge. Our automated checks give it 55 out of 100.
Who owns sinus-institut.de?
According to site name published by the website, the website is operated by SINUS-Institut | Markt- und Sozialforschung.