Company Insights
Published on
August 27, 2025
Total Employees
321
7.2% from last year
7
New Hires (YTD)
81
5% of total workforce
Departments
14
650 in Engineering
Locations
21
5,012 in New York, NY
PsiQuantum is a computer hardware firm focused on building large-scale photonic quantum computers. The company employs 321 people and has expanded its workforce by 81 new hires while recording 7 departures, suggesting steady, recruitment-led growth. Its staffing profile shows a strong emphasis on technical roles supported by business and operational functions.
Engineering is the largest group at PsiQuantum with 150 employees, accounting for nearly half of the organisation’s total headcount. Business Management follows with 61 employees, while Finance & Administration and Information Technology support the business with 23 and 21 employees respectively. Smaller but important teams include Marketing & Product (13), Consulting (12), Human Resources (11), Sales & Support (11), Operations (10) and an additional 9 employees classified under Other. The mix highlights a technology-first culture balanced by the corporate, customer and operational capabilities needed to commercialise quantum hardware.
Engineering
150
Business Management
61
Finance and Administration
23
Information Technology
21
Marketing and Product
13
Consulting
12
Human Resources
11
Sales and Support
11
Operations
10
Other
9
PsiQuantum’s workforce is concentrated in California, with 156 employees in San Francisco and a further 9 in Los Angeles. The company also maintains modest teams in Chicago and Arlington (4 employees each), London (6), Washington DC (3), New York City (3), Phoenix (2) and Seattle (2). An additional 132 employees are distributed across other unspecified locations, indicating a significant remote or flexible presence that complements its primary West Coast base.
San Francisco, CA
156
Los Angeles, CA
9
Chicago, IL
4
Arlington, VA
4
London, UK
6
Washington, DC
3
New York, NY
3
Phoenix, AZ
2
Seattle, WA
2
Other
132
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