Cyber security built for hybrid, fast-moving teams
Prove trust. Pass due diligence. Scale securely — without breaking what works.
Trusted by innovative teams like
Certified to UK Cyber Security Standards
Partner with one of a select few cyber security providers independently assessed by the National Cyber Security Centre (NCSC). Our NCSC assured status gives you confidence you’re working with a provider recognised for proven expertise, trusted advice and the highest standards of service.
SERVICES
The outcomes you’re hiring us for
Whether you’re winning new business, meeting compliance or strengthening resilience, we deliver the security outcomes that matter most.
Certification that wins deals
Compliance that unlocks opportunity
Simple, credible certification that helps you pass due diligence and secure bigger clients.
Clarity that unlocks growth
Ongoing strategic security guidance to keep you moving forward
Clear, aligned security direction that gives leaders the confidence to grow and scale without uncertainty.
Protection that protects your momentum
24/7 assurance that safeguards growth
Always-on monitoring and response that keeps you resilient, compliant, and trusted by enterprise clients.
Teams that stay fast and focused
Instant, chat-based support that keeps your teams moving
Modern, platform-agnostic help that keeps your people productive and protected — wherever they work.
Unsure where to focus first?
Get a clear, board-ready view of your cyber security posture with our Cyber Security Action Plan. We’ll identify your biggest risks, prioritise what matters most, and give you a practical roadmap. Delivered in 3 weeks.
MEET YOUR TEAM
Work with experts, backed by Chartered leadership
Helping you confidently manage cyber risk with practical support and strategic expertise.
WHY US
Why teams choose LeftBrain
We bridge the gap between generic IT providers and enterprise consultancies, delivering practical, NCSC-assured cyber security tailored to growing organisations.
Built for cloud-native business
Born in the cloud, built for speed — we secure the modern SaaS environment traditional MSPs can’t keep up with.
Expertise on demand
When priorities shift or audits loom, our experts step in fast, giving you burst capacity and deep expertise without having to hire in-house.
Platform agnostic
We speak Mac fluently, treating Apple as a first-class platform, not an inconvenience.
Unmatched leadership you can trust
Our chartered vCISO-led model gives you direct access to experienced senior security leadership at fractional cost.
Agile from the inside out
We work in sprints, not silos. Planning, prioritising and delivering at the pace you’d expect of a growing tech company.
Bespoke infrastructure built for you
We don’t push templates or defaults stacks. Everything we build, from policies to platforms, is designed to evolve with your team, your tools and your goals.
Featured case study
Turning compliance into commercial advantage for Brandpie
From ISO 27001 certification to a living Information Security Management System (ISMS), we helped Brandpie meet enterprise security requirements, accelerate client due diligence and turn security into a competitive advantage for growth.
What our clients say
“Working with LeftBrain brings a lot of gravitas; it’s made it so much easier to answer detailed security questions in RFPs or audits. We know we can reach out and get the right answers quickly, and that’s a huge part of why the relationship works so well.”
“LeftBrain are reliable, efficient, and genuinely nice folks. Their proven knowledge of the workplace tech space during our 9-year partnership remains unparalleled, making them an invaluable partner in our success journey.”
“Working with LeftBrain keeps our network and data secure and saves us money in the long run, helping us to best serve and protect the intellectual property and trade secrets of our clients.”
“LeftBrain are the mesh of connectivity between all our devices, giving us access to critical data that supports faster, environmentally conscious decisions.”
From our blog
LeftBrain becomes an NCSC Assured Cyber Security Consultancy
LeftBrain joins a select group of NCSC Assured Cyber Security Consultancies, trusted to deliver expert, government-approved security advice.
Read story
LeftBrain is now an Apple Premium Technical Partner
We are excited to announce that we are now an Apple Premium Technical Partner in the Apple Partner Network.
Read story
LeftBrain: A National Cyber Security Centre (NCSC) Assured Service Provider
We are thrilled to announce that LeftBrain is now a National Cyber Security Centre (NCSC) Assured Service Provider for the delivery of Cyber Essentials services, also known as the Cyber Advisor scheme.
Read story
FAQs
Yes. While we are based in the UK and are NCSC assured, we support organisations internationally.
Yes. We work alongside internal IT and technology teams, providing specialist security expertise, strategic guidance and independent assurance where needed.
Yes. We can support incident response, recovery planning, post-incident reviews and improvements to reduce the likelihood and impact of future attacks.
Depending on the engagement, we can often begin within a few days. For urgent security incidents or advisory support, we prioritise rapid response wherever possible.
We work with organisations across a wide range of industries, with particular expertise in FinTech, MarTech, MedTech, creative agencies and professional services consultancies. Whatever your sector, we tailor our cyber security services to your business and its unique challenges.
Ready to scale securely?
Let’s build the compliance and security foundation that earns enterprise trust — without breaking what works.
