# Welcome to Costco Wholesale (costco.com)

Is costco.com legit and trustworthy? Truth score 84 out of 100, high truth signals: 7 of 10 public checks clear, 1 to be cautious about, 2 for information. Legitimacy confidence: high. Customer satisfaction: mostly dissatisfied.

- Truth score: 84 out of 100
- Legitimacy confidence: high
- Customer satisfaction: mostly dissatisfied, from Trustpilot · 3,154 reviews · rating not read; SmartCustomer 2.5 · 1,510 reviews
- Claimed: no
- Assessed: 2026-10-16

## Summary

We read 5 of its pages: about, returns, delivery, terms and privacy. Its website address was registered 29 years ago, and is locked against transfer to someone else. It is among the 5,000 most-visited sites on the internet (Cloudflare Radar). Google Safe Browsing shows no malware or phishing warnings for its website. Be cautious: its 1,510 reviews on SmartCustomer average only 2.5 stars out of 5. We could not find an email address or a phone number.

Important context: Truth Signal weighs public evidence about this business. A high score means strong evidence that the business is established and legitimate, not a promise that it is safe to buy from or that every purchase will go well. A low score means the evidence is thin or raises concerns, not that the business is unsafe or a scam.

Final check: policy contact read in a second reading of the site's own pages, each with a quote from the page, where our code found nothing.

## Positives

- We read 5 of its pages: about, returns, delivery, terms and privacy (source: website)
- Its website address was registered 29 years ago (source: rdap)
- It is among the 5,000 most-visited sites on the internet (Cloudflare Radar) (source: radar)
- Google Safe Browsing shows no malware or phishing warnings for its website (source: safe_browsing)

## Be cautious

- A large number of independent reviews (1,510 on SmartCustomer), but it falls short with only 2.5 stars out of 5 (source: reviews)

## Not found

- Email address information was not found from our checks. (source: website)
- Phone number information was not found from our checks. (source: website)

## How to check if costco.com is legit

To check if costco.com is legit yourself, look at the same public records we did: the company register, who owns the web address and since when, customer reviews, visitor numbers, how long the site has existed, social profiles, malware lists, data breaches and email security. Each row below shows what that record says about costco.com; open a row to see the facts and the source to check them yourself. Step by step: [how to know if a shopping site is legit](/guides/how-to-know-if-a-shopping-site-is-legit).

- Who they are: Company details: Based in the US; founded in 1976 (Wikipedia) (For information)
- Who they are: Domain registration: Its website address was registered 29 years ago (Clear)
- Who they are: Website details: We read 5 of its pages: about, returns, delivery, terms and privacy (Clear). Pages found: about (https://costco.com/about.html), returns (https://costco.com/app/answers/answer_view/a_id/6874), delivery (https://costco.com/app/answers/answer_view/a_id/1152/loc/en_US), terms (https://costco.com/terms-and-conditions-of-use.html), privacy (https://costco.com/privacy-policy.html)
- Reputation and track record: Customer reviews: 3,154 reviews on Trustpilot · SmartCustomer 2.5 stars from 1,510 reviews (Be cautious)
- Reputation and track record: Visitor traffic: It is among the 5,000 most-visited sites on the internet (Cloudflare Radar) (For information)
- Reputation and track record: Web history and authority: The Internet Archive first saved a copy of its website 28 years ago (Clear)
- Reputation and track record: Social presence: It is on 6 social media platforms (Facebook, Instagram, TikTok, X, YouTube and LinkedIn); the largest audience is 3,000,000 followers on Instagram (Clear)
- Safety: Malware and phishing: Google Safe Browsing shows no malware or phishing warnings for its website (Clear)
- Safety: Data breach history: No known data breach involving the company (Clear)
- Safety: Domain and email security: Its email is protected: mail forged in its name is blocked (Clear)

## What its pages say

Quoted word for word from costco.com's own pages.

- In their own words: “Costco Wholesale is a multi-billion dollar global retailer with warehouse club operations in 14 countries. We are the recognized leader in our field, dedicated to quality in every area of our business and respected for our outstanding business ethics. Despite our large size and explosive international expansion, we continue to provide a family atmosphere in which our employees thrive and succeed.” (https://www.costco.com/about.html)

## Cite

Truth Signal, Welcome to Costco Wholesale: truth score 84 out of 100, legitimacy confidence High, assessed 2026-10-16, https://truthsignal.com/business/costco.com. Licence CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). The same report as JSON: send Accept: application/json to https://truthsignal.com/business/costco.com