appen.com

Unclaimed

Website

appen.com

AI Training Data & Human Data for AI Models | AppenAppen delivers high-quality AI training data, data annotation and model evaluation for the world's leading AI teams. Explore our solutions.

appen.com

One of the first images collected of this website on 2 Dec 1998

Checked on 20 Oct 2026, 15:01

Own this business? See what is holding the score back.

Truth score

Truth score 77 out of 100, High truth signals. Customer satisfaction: not enough reviews to say

77/ 100

High truth signals

Customer satisfaction

Not enough reviews to say

From independent reviews, weighed by their number

Business details

Founded: 1996
Memberships: ISO 27001 Its homepageClaimed by the business, not checked.
Domain age: 29 years
Address: 4040 Lake Washington Blvd NE, Suite 320, Kirkland
Email address: Not found
Phone number: +1 206-800-2101
Contact page: appen.com/contact-us
Website: appen.com
Social media

Customer reviews

SiteReviewsRating

Trustpilot285 reviewsNot found

Total285

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Summary

Is appen.com legit and trustworthy? Truth score 77 out of 100, high truth signals: 7 of 10 public checks clear, 2 for information, 1 still being checked. Legitimacy confidence: high. Customer satisfaction: not enough reviews to say.

We read 4 of its pages: contact, about, terms and privacy. Its website address was registered 29 years ago, and is locked against transfer to someone else. It has 285 reviews on Trustpilot. No malware or phishing warnings found for its website. We could not find an email address.

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.

Positives

We read 4 of its pages · contact, about, terms and privacy.
Its website address was registered 29 years ago.
285 reviews on Trustpilot.
No malware or phishing warnings found for its website.

Not found

Email address information was not found from our checks.

Our technical team has been informed.

What they offer

Appen delivers high-quality AI training data, data annotation and model evaluation for the world's leading AI teams. Explore our solutions.

— Appen Limited, in their own wordsIts homepage

What makes them different: “Human evaluation for search quality at scale, powering the first generation of web search ranking models.” Its homepage

Getting help

Ways to get help: Get in touch

SourcesIts homepage Get in touch

How to check if appen.com is legit

7 clear · 2 for information · 1 checking

To check if appen.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 appen.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.

Who they are

Company detailsBased in the US; serves Australia, China and the US; founded in 1996 (Wikipedia)

Country

Where the company is based: US
Why we believe that: the site's structured data states its country, its phone number starts +1, its postcode is a US zip code
Which countries the company serves: Australia, China, US
Why we believe that: its structured data names the area it serves, its delivery page says it ships to China

From Wikipedia

Type (Wikipedia): public company limited by shares
Industry: artificial intelligence
Founded: 1996

SourcesWikipedia

Domain registrationIts website address was registered 29 years ago

Its website address is locked against being transferred to someone else

Domain age: 29 years
Domain transfer lock enabled: Yes

Website detailsWe read 4 of its pages: contact, about, terms and privacy

Company contact phone number is available

HTTPS enabled: Yes
Contact phone number found: +1 206-800-2101
Contact page found: Contact page

What its pages say

Quoted word for word from appen.com.

In their own words: “Founded in 1996, Appen has been present at every major inflection point in AI — from early speech recognition to frontier reasoning models. Our history is the history of AI data. Appen was founded in Sydney in 1996, initially focused on speech and language data for early NLP systems.” About page

SourcesHomepage About page Contact page Terms page Privacy page

Reputation and track record

Customer reviews285 reviews on Trustpilot

Platform	Rating	Reviews
Trustpilot	Unknown	285
SmartCustomer	Not found
G2	Not found
Capterra	Not found
Reviews.io	Not found
Feefo	Not found
Trustindex	Not found
Google	Not checked

Visitor trafficReal people visited its website in 24 of the last 24 months

Real people have visited its website since February 2021 or earlier
It is among the 100,000 most-visited sites on the internet (Cloudflare Radar)

Monthly visitor data

Popularity among Chrome users: top 500,000 sites
First known user traffic: Feb 2021 or earlier
Months with real traffic, of the last 24: 24
Traffic pattern: sustained
Rank jump in the last 12 months: none
Rank drop in the last 12 months: none

Cloudflare Radar

Popularity across the internet: top 100,000 sites

Web history and authorityWaiting its turn; asked again tomorrowChecking

Wikipedia page: yes

SourcesWikipedia

Social presenceIt is on 4 social media platforms (Instagram, LinkedIn, X and YouTube); the largest audience is 25,600 subscribers on YouTube

Its YouTube channel has 25,600 subscribers and 69 videos, the latest uploaded on 11 Aug 2026

Platform	Profile	Audience
Facebook	Not found
Instagram	Profile	82 followers
X	Profile	Unknown
LinkedIn	Profile	Unknown
YouTube	Profile	25,600 subscribers
TikTok	Not found

Social platforms with discovered profiles: instagram, linkedin, x, youtube
Social follower counts: 25,682 followers in total
YouTube channel: 69 videos, 25,600 subscribers, last upload 11 Aug 2026

Safety

Malware and phishingNo malware or phishing warnings found for its websiteThis check is not perfect: it can miss a harmful site, and it can wrongly warn about a safe one.

Malware or phishing threat status: None

Data breach historyOne known data breach involving the company: Appen, the latest 6 years ago

Known data breaches found: 1

Appen

In June 2020, the AI training data company Appen suffered a data breach exposing the details of almost 5.9 million users which were subsequently sold online. Included in the breach were names, email addresses and passwords stored as bcrypt hashes. Some records also contained phone numbers, employers and IP addresses. The data was provided to HIBP by dehashed.com.

Accounts affected: 5,888,405
Date: 22 Jun 2020
Data exposed: Email addresses, Employers, IP addresses, Names, Passwords, Phone numbers

Breach data: Have I Been Pwned

SourcesAppen on Have I Been Pwned

Domain and email securityIts email is protected: mail forged in its name is blocked