Company Insights
Published on
April 22, 2026

How Many People Work at System1? Headcount and Employee Trends

Total Employees
224
7.2% from last year
14
New Hires (YTD)
6
5% of total workforce
Departments
15
650 in Engineering
Locations
17
5,012 in New York, NY
  • System1 Group PLC is a marketing decision-making platform that has demonstrated resilience in a challenging operating environment, reporting a steady group revenue of £37 million for FY25, with a record H2 revenue performance expected for FY26.
  • In the past year, System1 secured over 300 new platform clients, contributing £10.7 million to its revenue, and is projected to return to profitable growth in FY27 with an expected adjusted EBITDA of approximately £3.6 million.
  • The company has successfully increased its client base to 526 active clients, including some of the world's largest brands, and has revitalized its Innovation product offering to enhance its market presence.
  • Ideal buyers for System1 are marketing decision-makers at large brands seeking data-driven insights to optimize their marketing strategies, as the company addresses the pain of navigating complex marketing landscapes with its innovative platform.

System1 Headcount Breakdown by Department

Engineering is the largest function at System1, accounting for about 30% of all employees with 68 engineers focused on product development and platform reliability. Marketing and Product follows at 49 team members, underscoring the organization’s emphasis on user acquisition and product strategy. Finance & Administration, Information Technology, Business Management, and Operations collectively represent roughly a third of the staff, while Human Resources, Sales & Support, and Program & Project Management round out the remaining headcount. This distribution highlights a technology-driven business that also invests in the operational infrastructure needed to scale.

Engineering
68
Marketing and Product
49
Finance and Administration
22
Information Technology
19
Business Management
17
Operations
17
Human Resources
10
Sales and Support
10
Program and Project Management
5
Other
7

System1 Employees by Location

System1 maintains a multi-hub footprint anchored by Los Angeles, which hosts approximately 38% of the workforce. A sizable cohort is classified as remote or "Other," reflecting a flexible work model that accounts for another 37% of employees. Seattle is the next-largest office with 31 team members, followed by smaller groups in Toronto, Denver, San Francisco, Boulder, New York, Charlotte, and Tel Aviv. The blend of West Coast, remote, and international talent supports around-the-clock operations and access to diverse labor markets.

Los Angeles, CA
86
Seattle, WA
31
Toronto, Canada
8
Denver, CO
4
San Francisco, CA
4
Boulder, CO
3
New York, NY
2
Charlotte, NC
1
Tel Aviv, Israel
1
Other
84
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