Prove trust. Pass due diligence. Scale securely — without breaking what works. LeftBrain is the security and technology partner for growing businesses. We combine security leadership, infrastructure expertise, and ongoing operations to help organisations meet enterprise expectations, pass due diligence, and grow without the cost and complexity of building a large internal team.
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The LeftBrain annual revenue was $6.1 million in 2026.
Charlie Naughton-Rumbo is the CEO of LeftBrain.
18 people are employed at LeftBrain.
The NAICS codes for LeftBrain are [5415, 541, 54, 51, 54151, 518, 541511].
The SIC codes for LeftBrain are [73, 737].