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Critical Software

Critical Software Rating A · Worker

Critical Software builds safety-, mission-, and business-critical software systems for demanding industries.

Critical Software Ltd Technology Southampton Website ↗

The UK Home Office lists Critical Software as a licensed sponsor (A-rated, Global Business Mobility: Senior or Specialist Worker and Skilled Worker route). They can sponsor work visas. We read every advert and list only roles that don't rule out sponsorship. Home Office figures released under the Freedom of Information Act show Critical Software assigned 7 Certificates of Sponsorship in 2021–24 for Skilled Worker and Global Business Mobility visas. We're showing 1 of their current openings.

Sponsor licence details

Sourced from the UK Home Office register of licensed sponsors.

Licence rating
A
Worker · Active
Visa sponsorships
7
2021–24 · Home Office
Licensed
Since at least 2022
Headcount
1001-5000
1,355 total
Open roles
1
Live on SponsorJobs
Sector
Technology
Location
Southampton
Visa routes
Global Business Mobility: Senior or Specialist Worker
Skilled Worker

Sponsorship history

Certificates of Sponsorship Critical Software assigned each year, from Home Office figures released under the Freedom of Information Act.

2021
0
2022
1–5
2023
0
2024
1–5
2025
—

Skilled Worker and Global Business Mobility routes. One certificate is assigned for each sponsored hire, visa extension or change of employer, so a person can be counted more than once. “1–5” is withheld by the Home Office; the 2025 figures list only sponsors with 5 or more (“—”). Matched to this employer by its name on the sponsor register. Sources: FOI 2025/12841 (2021–24), FOI2026/03501 (2025). Contains public sector information licensed under the Open Government Licence v3.0.

About Critical Software

Critical Software designs, builds, and delivers systems and software for safety-, mission-, and business-critical applications. Founded over 25 years ago, the company works across highly regulated and demanding industries where safety, reliability, and performance are paramount.

The company serves sectors including aviation, defence, energy, railway, space, automotive, and medical devices. Its services include safety-critical verification and validation, embedded software development, integrated electronic systems, and reliability, availability, maintainability, and safety (RAMS) certification support. It also operates joint ventures with major industry partners, including Airbus, Stadler, and the BMW Group.

Open roles

1 live position matched to this sponsor licence.