How many employees work at Strategic Systems?
Strategic Systems International Ltd. (Illinois) has 544 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 5.0%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Strategic Systems
Strategic Systems International (SSI) is Chicago-headquartered Advanced Analytics and Software Engineering firm that builds data-driven applications for Tech Companies and Enterprises. We are a team of data scientists, software engineers, architects, MBAs, business analysts and infrastructure management professionals. Founded in 1991 in an incubator in Evanston, IL by alumni of University of Chicago and Northwestern University, we now have offices in Europe, Asia and Latin America. Our clients include VC-backed fast-growing Tech Startups to Fortune 100 companies. Our key domains and sectors include FinTech/ Financial Services, HealthTech, Big Data & Analytics, Machine Learning, and Industry of Things (IoT). Partner With Us: sales@ssidecisions.com
As of December 2025
Strategic Systems
workforce metrics
Headcount
544
Avg. Salary
$29.8k
Tenure
3.3yr
Growth Rate
5.0%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Strategic Systems annual worldwide employee count from 2023 to 2025.
- Strategic Systems total number of employees in 2025 was 545, a 5.0% increase from 2024.
- Strategic Systems total number of employees in 2024 was 518, a 25.7% decline from 2023.
- Strategic Systems total number of employees in 2023 was 671, a 3.7% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Strategic Systems annual active job postings from 2023 to 2025.
- Strategic Systems active job postings in 2025 was 18, a 5.7% increase from 2024.
- Strategic Systems active job postings in 2024 was 17, a 95.7% increase from 2023.
- Strategic Systems active job postings in 2023 was 6, a 125.0% decline from 2022.
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Employee Sentiment
Sentiment Topics
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