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tmc3 is your cyber security partner for the digital era.

We transform cyber security and data protection from functioning as 'necessary overheads', to becoming business enablers

tmc3 is the cyber partner for organisations of all sizes across the private and public sectors. We help organisations protect, comply and thrive in the digital era with the support of our cyber security, data protection and security testing.

We are a team of cyber security and data protection professionals with over 60+ years of experience helping organisations become secure in the UK and US. Our reputation is built on making cyber security and data protection understandable for all businesses in diverse industries and verticals.

Cyber security and data protection functions are a fundamental part of every business, but not every business has the expertise or skills to ensure this. Let us handle the protection of your company's data so that you can go back to business as usual.

Where we've done this before

Winners of Security Project of the Year 2023 - Public Sector



Four reasons tmc3 should be your partner of choice



We bring new thinking, creative approaches, domain knowledge and insights to help overcome your security challenges.


A perceptive partner

We use our deep understanding of industry best practices and close relationships with our customers to embed the right solutions, unlocking growth opportunities.



We don't consider cyber security and data protection in isolation. Instead, we ensure that the two are integrated into business activities to enable organisational objectives.


We have the frameworks and experience to help you develop your cyber security and data protection strategies, and implement them quickly. Scale your capabilities, not your compliance costs.



We have a proud history of supporting government departments, local authorities, government agencies and healthcare organisations. Our teams have helped deliver DPO services and data protection changes to UK authorities, instigating fundamental differences in our society.

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From FTSE enterprise organisations to agile digital agencies, we have vast experience in helping to fuel advancement by demonstrating how things are – and then asking, how can they be made better?

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We help defence optimise cyber defences, assure systems and secure the move of legacy IT to the cloud – whether through Security Assurance Coordinators, JSP 604 Case Officers or Security Architects, we support the MoD and TLBs in achieving their missions.

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 We don't consider ourselves the average cyber security and data protection consultancy.

Chat to us about your digital ambitions and where we can support you and your cyber security needs today

Frequently Asked Questions

Cyber security and data protection can sometimes seem like a dark art, so here is a list of frequently asked questions with some helpful answers.

Why should we choose tmc3?

A big differentiator for us is that we translate complex cyber security, data protection and compliance requirements into practical deliverables you can understand. In addition, our experts support you, enabling you to concentrate on what you do best; growing your business. Learn more about us here.

What services do you provide? We provide a wide range of cyber security and data protection services to protect your organisation. From providing teams of consultants to trusted advisors, we help organisations protect, comply and thrive in the digital era. You can find out more about our individual services here.
How do you work?

Our approach is to ensure data protection and cyber security are integrated into your business activities to allow them to enable organisational objectives. Our people care about your people. In fact, many customers think of us as an organic extension of their team, gauging our successes only by theirs. It's a level of connection and collaboration that the traditional consulting model just can't match.

We can support through a monthly managed service or via a outcome based statement of work.

Want to find out more about our engagement models, click here.

Do you provide free consultations?

Yes, we are happy to provide a no-obligation, free consultation to help understand your needs and recommend the right solution for you. 

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What industries do you work in? We specialise in providing services to the public sector and several industries within the private sector. We are proud to have a customer base spanning multiple industries. tmc3 services can be procured through several frameworks and agreements. You can find out more about where we work here.
Do you provide services remotely or on-site? Our flexible approach means we can provide services both remotely and on-site. Whatever your preference, we can cater for it.
How do we get support? You can get touch with us on 0113 8730449 or reach us through our contact form.