SimSpace

SimSpace is a cybersecurity company founded in 2015 by experts from U.S. Cyber Command, NSA, and MIT’s Lincoln Laboratory. The company specializes in high-fidelity cyber range solutions that allow organizations to test and train their defenses against realistic cyberattack simulations. SimSpace is recognized by Gartner and Forrester for its innovative approach to cybersecurity, helping clients mitigate risks and optimize security operations. The company offers a Cyber Range Platform that replicates client networks for simulating attacks and training teams. It provides immersive training programs, security benchmarking to identify inefficiencies, and threat intelligence research using real-world attack patterns. SimSpace also focuses on compliance validation, ensuring that organizations meet regulatory standards through effective testing of their security controls and disaster recovery plans. With a mission to empower organizations to experience severe cyber attacks before they happen, SimSpace bridges the gap between theoretical knowledge and real-world response capabilities.

Computer & Network Security Boston, United States Founded 2015 ~176 employees

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Employees
176
+4.1% in 3 months
Revenue / employee
$241K
Revenue ~$42.5M
Total funding
$45M
Last round Dec 2023
12-month attrition
20.2%
Tech: 17.8%
H1B filings, FY2026
1
Sponsors visas
Open jobs
7
Last 30 days

Salaries at SimSpace

All salaries

6 salary profiles in the US

Most reported roles

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering3

The department split adds up all the years listed above. FY2026 alone: 1 filings.

Funding

  • Dec 2023 · $45M · L2Point Management

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SimSpace FAQ

How many employees does SimSpace have?

SimSpace has about 176 employees, up 4.1% over the last 3 months (as of Jun 2025).

Does SimSpace sponsor H1B visas?

Yes. SimSpace filed 1 H1B (LCA) application in FY2026, according to the latest U.S. Department of Labor disclosures. It was for a Engineering role.

What is SimSpace's revenue per employee?

SimSpace makes about $241K in revenue per employee, based on $42.5M annual revenue and 176 employees.

How much does SimSpace pay?

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

How much funding has SimSpace raised?

SimSpace has raised $45M in total funding.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles. Updated 21 Oct 2026.