OSTC

OSTC is a global proprietary trading and financial services company based in the UK, with a presence in multiple countries including Poland, Spain, India, and Canada. The company employs over 350 people and generates approximately $53 million in revenue. OSTC is recognized as a leading liquidity provider to global derivatives exchanges, utilizing advanced technology in its trading operations. The company operates through its holding entity, OSTC Group, which includes its proprietary trading activities and ZISHI, an educational technology division. ZISHI focuses on trading education and cognitive performance enhancement, offering accredited courses, AI-driven cognitive tools, and a biometric wearable device designed to optimize performance. OSTC serves traders and individuals seeking professional education and performance improvement, targeting a diverse demographic, including young people in developing economies.

Capital Markets United Kingdom ~30 employees

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Employees
30
0% in the 3 months to Sep 2026
Revenue / employee
$3.9M
Revenue ~$117M
12-month attrition
11.6%
Tech: 29.2%
H1B sponsor
NA

Headcount trend

OSTC went from 37 employees in Oct 2024 to 30 in Sep 2026.

Org structure

Headcount by department

Other17
Finance7
Sales2
Engineering2
HR1
Success1

OSTC FAQ

How many employees does OSTC have?

OSTC has about 30 employees, unchanged over the 3 months to Sep 2026.

What is OSTC's revenue per employee?

OSTC makes about $3.9M in revenue per employee, based on $117.1M annual revenue and 30 employees.

How much does OSTC pay?

6figr has 3 salary profiles for OSTC in India and 1 in the US, with pay broken down by role, level and gender on the OSTC salaries page. See OSTC salaries in India

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