ClearStar

ClearStar, Inc. is a prominent HR technology company that specializes in background, drug, and health screening services for employment. Founded in 1995, ClearStar has evolved from its initial focus on web-based data solutions for the security industry to become a leading provider of comprehensive screening services across various sectors globally. The company offers a range of services, including criminal background checks tailored for different industries, automated drug and alcohol testing through its Medical Information Services platform, and technology-based solutions that enhance human capital management. ClearStar's Aurora platform integrates data from over 3,000 sources, providing employers with valuable insights and efficient management of screening workflows. ClearStar serves a diverse clientele, including major organizations like Toyota, IBM, and FedEx, and has expanded its reach through strategic partnerships and acquisitions, such as the 2022 acquisition of Employment Screening Resources. The company is committed to delivering excellent customer service and improving the candidate experience through its core values centered on data, technology, and results.

Human Resources Alpharetta, United States Founded 1995 ~85 employees LSE: CLSU

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Employees
85
-3.4% in the 3 months to Jun 2025
Revenue / employee
$294K
Revenue ~$25M
Stock
CLSU
LSE
12-month attrition
19.3%
Tech: 18.3%
H1B sponsor
NA
Open jobs
1
Last 30 days

Headcount trend

ClearStar went from 93 employees in Jul 2023 to 85 in Jun 2025. Jan to Jun 2025: 6 people joined, 3 left.

Headcount data through Jun 2025

Org structure

Headcount by department

Other45
Operations16
Finance5
Sales5
Success5
Engineering4
Marketing3
Product2

Hiring now

ClearStar FAQ

How many employees does ClearStar have?

ClearStar has about 85 employees, down 3.4% over the 3 months to Jun 2025.

What is ClearStar's revenue per employee?

ClearStar makes about $294K in revenue per employee, based on $25M annual revenue and 85 employees.

Is ClearStar a public company?

Yes. ClearStar is publicly traded under the ticker CLSU on LSE.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.