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Costco.co.uk Reputation Review

October 28, 2026 at 9:29 PM
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Checked by Website Reputation Checker
Table of Contents
Danger Zone
Risky Territory
Caution Advised
Trusted but Verify
Safe & Secure

Costco → Safety Check

First checked September 24, 2025 at 8:36 PM
Website content and technical signals analyzed
Method: automated checks.
Every website owner can claim their profile for free and engage with reviewers.
Trusted but Verify We found mixed reputation evidence. Supporting points include no major malware/phishing detections and long visible domain history (27.9 years), but public-source reviews remain weak.
Trust signal radar Normalized trust signals for costco.co.uk Domain Maturity: 10200 days Domain Maturity Warning Cleanliness: 0 detections Warning Cleanliness Safety Level: 1 negative tag, 1 warning signal Safety Level Positive Signals: 5 positive signals Positive Signals Popularity: Tranco rank 40,086 Popularity Trust Zone: .co.uk Trust Zone Operational Signals: 10 detected services Operational Signals Location Credibility: Hosting country US Location Credibility
Figure 1. Trust signal radar for costco.co.uk. Larger shaded area indicates stronger trust signals.

How we scored costco.co.uk

On-page mentions:
Shopping
Tech signals:
Review System, Angular Platform, Corporate Registration
Positive signals:
  • no major malware/phishing detections
  • business infrastructure
  • popular site
  • verified business services
  • a long-term domain history (27.9 years)
  • an active SSL certificate (30 days)
Negative signals:
  • low third-party review ratings
Context signals:
  • content related to online shopping and ecommerce
Review sentiment:
Unfavorable
1.8 / 5 ★★☆☆☆
Based on analysis of 3,228 reviews from public sources.
71 /100
Trust Score
27.9 years
Domain Age
US
Location
0
No external provider warnings
Last checked October 28, 2026 at 9:29 PM by Gridinsoft Trust Model v2.5.8
This domain was registered November 23, 1998 at 10:00 PM through the company CSC Corporate Domains, Inc [Tag = CSC-CORP-DOMAINS] and ownership information is not publicly available. Complaint contact not found.

About costco.co.uk

We reviewed costco.co.uk and found a mix of positive and cautionary signals. The site does not currently look like a confirmed scam, but the evidence is not strong enough to treat it as fully established either. The current trust score is 71/100. Key signals include corporate registrar evidence, verified business-service footprint, and online shopping context. We also saw reputation caution signals from third-party review sources, so commercial claims should still be checked independently. Use payment methods with buyer protection and review recent customer feedback before relying on this site.

FAQ

Is costco.co.uk safe?

Current analysis does not clearly confirm that costco.co.uk is safe. Important context includes corporate registrar evidence and verified business-service footprint. Independent verification is still recommended before relying on it.

Why does costco.co.uk look trustworthy?

Key factors include registrar information (CSC Corporate Domains, Inc [Tag = CSC-CORP-DOMAINS]), hosting in US, a domain age of 27.9 years, and presence in public traffic rankings. Major malware and phishing engines did not report active blacklist detections at the time of review, but reputation-related warning signals were still present. The trust score blends security detections, domain and infrastructure signals, on-page behavior patterns, and public review history when available. The overall assessment remains mixed because third-party reputation sources do not point to a fully consistent trust profile.

Is costco.co.uk reliable for online purchases?

Current analysis suggests costco.co.uk is reasonably reliable for online purchases, but buyers should still review return policies, delivery terms, and recent independent customer feedback before paying.

Costco Digital Footprints

A structured view of the site's detected themes, page signals, and related online footprint elements.

Brands
Registration Form

Automated page analysis detected form or data-entry functionality on costco.co.uk. Forms can involve user-submitted information, so verify ownership and privacy terms before entering data.

Shopping

This site shows e-commerce functionality, including product listings, cart flow, and checkout-related elements.

Cookie Consent

costco.co.uk implements a cookie-consent interface for managing tracking and data-collection preferences.

Review System

This site integrates user-review or rating mechanisms; this improves transparency, but review authenticity may vary.

Google Tag Manager

This website uses Google Tag Manager to add and update tracking tags on its website.

Angular Platform
Popular Site

costco.co.uk shows elevated traffic signals relative to similar domains; this is generally positive but does not by itself prove legitimacy.

Established Domain

This site has maintained active domain presence over time, indicating operational continuity.

Corporate Registration

This domain is registered through a corporate-focused registrar, CSC Corporate Domains, Inc [Tag = CSC-CORP-DOMAINS], commonly used by established organizations for managed domain protection and portfolio control.

Verified Business Services

The domain costco.co.uk publishes TXT verification records for multiple third-party business platforms. This indicates that the domain has been connected to those services at the DNS level.

Business Infrastructure

This domain is configured for several service layers, such as email delivery, platform verification, or security tooling. This reflects a broader operational setup than a minimal single-purpose deployment.

Color Guide
  • Requires special attention Marks high-risk findings that should be reviewed first.
  • Exercise caution Highlights areas involving user data, payments, or permissions.
  • Positive indicators Shows trust signals that support the site's reliability.
  • Neutral General context that does not increase or reduce risk on its own.

Domain Information

Created November 23, 1998 at 10:00 PM Updated: November 19, 2025 at 10:00 PM · Expires: November 23, 2026 at 10:00 PM
Domain Age 27.9 years
Registrar CSC Corporate Domains, Inc [Tag = CSC-CORP-DOMAINS]
Domain Status Registered Until Expiry Date.
Top Level Domain .co.uk Domain Extension

Technical Details

HTTP status 301
IP Address 34.102.182.210
Hosting Provider AS396982 Google LLC US
Network AS396982 - Google LLC
SSL Certificate Certainly Intermediate R1 TLSv1.3 · Valid for: 30 days · from October 21, 2026 at 5:08 PM · to November 20, 2026 at 5:08 PM
Name Servers a1-116.akam.net
a14-67.akam.net
a28-66.akam.net
a5-64.akam.net

Content from the analyzed website

Quoted for security analysis. These statements belong to the source website and are not endorsed by Gridinsoft.

Original page title Join the club & start saving! | Costco UK
Original description Set it and forget it >> Turn on membership auto-renewal online today!
Primary Language
Mentioned hosts (32)
www.costco.co.kr www.costcotravel.co.uk www.costco.co.nz www.costco.com.tw www.costco.is link.costco.co.uk www.costco.co.uk firebaseremoteconfig.googleapis.com cdn1.affirm.com azure-na-images.contentstack.com www.costco.com www.costco.com.mx customercare.costco.co.uk bookings-costcouk.oh.ocuco.com www.costco.com.au and 17 more

Security Analysis

Detection Signatures These signatures are used to generate the security fingerprint below.
Brands Registration Form Shopping Cookie Consent Angular Platform
Verified Services This domain has been verified by the following legitimate services and organizations, confirming authentic ownership and proper email security configuration.
Apple Apple Inc. services verification. Atlassian Software development tools (Jira, Confluence). Cisco CI Cisco Cloud infrastructure and identity verification. DocuSign Electronic signature and agreement platform. Dtm Adobe Dynamic Tag Management (Adobe Launch). Dynatrace Application performance monitoring. Google Verification Domain ownership verified by Google. Microsoft 365 Microsoft cloud productivity suite (Office, email, etc.). OneTrust Privacy and security compliance platform. Spycloud Account takeover prevention and fraud investigations.
Security Fingerprint Unique identifier based on site analysis
mockingbird-equal-fillet-quiet

Are You the Owner?

If you own Costco.co.uk and want to challenge the trust score, please submit a review request via portal.gridinsoft.com. There you can claim your profile and add verified company/contact details. If you cannot access the portal, email legal(at)gridinsoft.com with proof of legitimacy and contact details. We never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.

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Your score for costco.co.uk
71
points /100
The score is based on a 1-100 scale, with 100 being the most reputable.
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