A CAPTCHA is a program that protects websites against bots by generating and grading tests that humans can pass but current computer programs cannot. For example, humans can read distorted text as the one shown below, but current computer programs can't:
| Website | http://www.captcha.com |
| Revenue | $10 million |
| Employees | View employees |
| Founded | 2004 |
| Industry | Business Services General, Software, Business Services |
| Competitors | Google, Friendly Captcha, hCaptcha, Funcaptcha (view competitors) |
| SIC | SIC Code 73 Companies, SIC Code 737 Companies |
| NAICS | NAICS Code 541511 Companies, NAICS Code 54 Companies, NAICS Code 541 Companies, NAICS Code 54151 Companies, NAICS Code 5415 Companies |
Looking for a particular Captcha Inc employee's phone or email?
Captcha Inc Questions
The Captcha Inc annual revenue was $10 million in 2026.
The NAICS codes for Captcha Inc are [541511, 54, 541, 54151, 5415].
The SIC codes for Captcha Inc are [73, 737].
How It Works
Get a Free Account
Sign up for a free account. No credit card required. Up to 5
free lookups.
Search the #1
Contact Database
Get contact details of over 700M profiles across 60M
companies – all with industry-leading accuracy. Sales and Recruiter users, try out our
Email Finder Extension.
Use our
AI-Powered
Email Finder
Find business and personal emails and mobile phone numbers
with exclusive coverage across niche job titles, industries, and more
for unparalleled targeting. Also
available via our
Contact Data API.
G2Crowd Trusted
300K+
Plugin Users
