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Leftbrain Ltd

LeftBrain is a security and technology partner for growing businesses.

Computer and Network Security
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Headquarters
London, United KingdomSource: RevenueBaseRetrieved October 13, 2026
Employee range
11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded
2009Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
28 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Leftbrain Ltd do?

The company combines security leadership, infrastructure expertise, and ongoing operations. Its work helps organisations meet enterprise expectations, pass due diligence, and grow without the cost and complexity of building a large internal team.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

What the business offers

Services & capabilities.

Security leadership

The company provides security leadership as part of a combined service offering.

Source: LinkedIn company description · Retrieved October 13, 2026

Infrastructure expertise

The company provides infrastructure expertise as part of a combined service offering.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWLeftbrain Ltd listed #4 on Security infrastructure startups, September 28, 2026Open the published source list.
Leftbrain Ltd

#4 Security infrastructure startups

Snapshot: September 28, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 12, 2026, September 13, 2026, September 27, 2026 and September 28, 2026. How the company lists are built.

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