Leftbrain
IT Support Companies
Leftbrain
Mount Pleasant, London
# LeftBrain
LeftBrain is a London-based cybersecurity consultancy specialising in protecting hybrid and remote-working teams without compromising operational speed. They help fast-moving organisations prove trustworthiness, pass enterprise due diligence, and scale securely through a combination of compliance certification, strategic guidance, and 24/7 security operations.
The company serves innovative tech teams and scale-ups who need credible security credentials to win larger clients but lack the resources to build comprehensive in-house security programmes. Their client base includes recognised names like Zendesk and other growth-stage companies navigating enterprise procurement requirements.
What sets LeftBrain apart is their cloud-native focus. Unlike traditional managed security providers, they're built for modern SaaS environments and genuinely prioritise Mac and Apple platforms as first-class citizens rather than afterthoughts—a rare differentiator in the UK security market. Their vCISO-led model provides direct access to chartered security leaders rather than junior analysts, offering both burst capacity during audits and ongoing strategic direction that aligns security with business growth objectives.
They hold dual NCSC (National Cyber Security Centre) assured status in both Cyber Advisor and Risk Management, providing independent credibility. Their approach emphasises clarity and momentum: removing security as a growth blocker through platform-agnostic, chat-based support that keeps teams productive whilst maintaining compliance and resilience.
LeftBrain is a London-based cybersecurity consultancy specialising in protecting hybrid and remote-working teams without compromising operational speed. They help fast-moving organisations prove trustworthiness, pass enterprise due diligence, and scale securely through a combination of compliance certification, strategic guidance, and 24/7 security operations.
The company serves innovative tech teams and scale-ups who need credible security credentials to win larger clients but lack the resources to build comprehensive in-house security programmes. Their client base includes recognised names like Zendesk and other growth-stage companies navigating enterprise procurement requirements.
What sets LeftBrain apart is their cloud-native focus. Unlike traditional managed security providers, they're built for modern SaaS environments and genuinely prioritise Mac and Apple platforms as first-class citizens rather than afterthoughts—a rare differentiator in the UK security market. Their vCISO-led model provides direct access to chartered security leaders rather than junior analysts, offering both burst capacity during audits and ongoing strategic direction that aligns security with business growth objectives.
They hold dual NCSC (National Cyber Security Centre) assured status in both Cyber Advisor and Risk Management, providing independent credibility. Their approach emphasises clarity and momentum: removing security as a growth blocker through platform-agnostic, chat-based support that keeps teams productive whilst maintaining compliance and resilience.
Services offered
ISO 27001 certificationCyber Essentials certificationInformation security strategy24/7 threat detection and response24/7 IT supportDue diligence supportCloud security consultingCompliance advisory