
Cyber readiness testing platform
immersivelabs.com (opens in a new tab)HSBC, Citi, Humana and Pfizer are among the customers of Immersive, a customer base that takes in over three in ten Fortune 100 companies; Forrester ranked it first in its 2026 Wave. Its platform, Immersive One, puts a company's staff, security teams, executives, AI-assisted workflows and AI agents through realistic cyber scenarios under pressure, and converts how they perform into evidence for improving, benchmarking and reporting on readiness. Customers use those results to show that AI adoption is safe and that an agent is fit to trust before it goes live. Started in 2017 inside a shipping container in Bristol, the company has grown past 300 employees worldwide. Most staff work fully remotely, and its North American headquarters is in central Boston.