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TwentyFour IT Services

In Doncaster, Yorkshire and The Humber

Managed IT support, cyber security, and cloud services for UK businesses.

Visit website Call 01302 732190 Write a review Updated 07 Sept 2026

From the provider

TwentyFour IT Services Limited is a managed IT support and cyber security company with headquarters in Doncaster. Founded in 2014 by Tony Houlihan and expanded in late 2017 when Mike Smith joined the business, the company now has over 50 employees and operates offices across multiple UK locations. The company provides managed IT support services covering IT infrastructure management and support, cyber security operations and consulting, cloud solutions and migration, backup and disaster recovery solutions, network infrastructure, and digital transformation services. Service offerings include managed IT helpdesk and remote support, virtual CIO services, endpoint management, Microsoft 365 setup and licensing, hardware procurement, CREST-certified penetration testing, security operations centre management, and assistance helping clients achieve Cyber Essentials certification. As an official IASME Certification Body, the company holds Cyber Essentials, Cyber Essentials Plus, ISO/IEC 27001, and CREST certifications. It serves business clients of different sizes across multiple UK locations including Doncaster, Bracknell, and South Yorkshire.

Services TwentyFour IT Services offers

Managed IT support Day-to-day support, monitoring and maintenance for a fixed monthly fee. Helpdesk and remote support A support desk your staff contact by phone, email or portal when something stops working. Cyber security Protecting systems and data from attack, and responding when something gets through. Cyber Essentials Preparing a business for Cyber Essentials certification and running the assessment. Microsoft 365 Setting up and running Microsoft 365 email, files, Teams and user accounts. Cloud and hosting Moving servers and applications to hosted infrastructure, then running them there. Backup and disaster recovery Copies of your data held off-site, and a tested plan for getting back to work after a failure. Networking and Wi-Fi Wired networks, Wi-Fi, firewalls and internet connections across your sites. Hardware and procurement Buying, configuring and replacing laptops, desktops, servers and peripherals. IT strategy and vCIO Regular planning sessions on budget, risk and what to change over the next year. AI consultancy Advice on where AI tools such as Microsoft Copilot fit a business, and help rolling them out safely.

Accreditations and partnerships

IASME Accredited by IASME, which runs Cyber Essentials for the National Cyber Security Centre.
Cyber Essentials Government-backed baseline security certification, self-assessed.
Cyber Essentials Plus Cyber Essentials with an independent technical audit.
ISO 27001 International standard for managing information security, audited by a certification body.
CREST Member of CREST, the accreditation body for penetration testing and incident response.

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Services TwentyFour IT Services offers

Managed IT support Day-to-day support, monitoring and maintenance for a fixed monthly fee. Helpdesk and remote support A support desk your staff contact by phone, email or portal when something stops working. Cyber security Protecting systems and data from attack, and responding when something gets through. Cyber Essentials Preparing a business for Cyber Essentials certification and running the assessment. Microsoft 365 Setting up and running Microsoft 365 email, files, Teams and user accounts. Cloud and hosting Moving servers and applications to hosted infrastructure, then running them there. Backup and disaster recovery Copies of your data held off-site, and a tested plan for getting back to work after a failure. Networking and Wi-Fi Wired networks, Wi-Fi, firewalls and internet connections across your sites. Hardware and procurement Buying, configuring and replacing laptops, desktops, servers and peripherals. IT strategy and vCIO Regular planning sessions on budget, risk and what to change over the next year. AI consultancy Advice on where AI tools such as Microsoft Copilot fit a business, and help rolling them out safely.

Questions people ask about TwentyFour IT Services

What services does TwentyFour IT Services offer?
TwentyFour IT Services offers Managed IT support, Helpdesk and remote support, Cyber security, Cyber Essentials, Microsoft 365, Cloud and hosting, Backup and disaster recovery, Networking and Wi-Fi, Hardware and procurement, IT strategy and vCIO, AI consultancy.
Where does TwentyFour IT Services provide IT support?
TwentyFour IT Services is based in Doncaster.
Who is TwentyFour IT Services for?
The team is 51-200 people. The company was founded in 2014.

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