IT Companies in Essex

Cognition Software Limited

Colchester

Cognition ICT is a Colchester-based software company that designs, develops and delivers bespoke business software. It builds custom enterprise applications aimed at improving productivity and supporting growth, using a modular application framework built on Microsoft technologies. The company also provides IT and telecomms services, including information systems consultancy, design and implementation. It works with clients to understand their requirements before recommending a solution.

Colchester WiFi

Colchester

Colchester-based networking company serving businesses across Essex and East Anglia. Provides leased lines up to 10Gbps, FTTP, SoGEA, Starlink satellite internet and 4G/5G failover, plus WiFi 6/6E coverage with heatmap surveys, Cat6/Cat6a cabling, access points and switching. Offers on-site repairs, network audits, pre-install surveys and managed support contracts. Works with offices, retail, hospitality, events and home office setups.

COLEHOUSE

Colchester

Colehouse provides financial services execution and transformation. The group delivers business and digital transformation, integration and divestment, risk and regulatory change, AI transformation, and testing and quality assurance services. It serves clients across retail and commercial banking, payments, wealth management, insurance, capital markets, and global exchanges.

Compudoug Services Ltd

Colchester

Colchester-based IT support company established in 2005. Compudoug Services procures, installs and supports business IT infrastructure, manages Microsoft environments including servers and workstations, and provides cybersecurity services covering incident detection, response and prevention alongside user awareness training. As a Microsoft Azure Fundamental Specialist it delivers cloud and Microsoft 365 migrations, plus website development, telephony, anti-virus and mobile device management.

CORE Data Systems Ltd

Colchester

Colchester-based IT consultancy providing technical advice and support to businesses of all sizes. Specialist application and platform hosting built on Google Cloud and Amazon Web Services, alongside cloud technology integration that removes the need for on-premise hardware. Remote access services let users run applications through a web browser from anywhere. Also delivers tailored IT support to schools, including configuration and management of third-party educational software.

Dylan IT

Colchester

Dylan IT provides managed IT support for small and medium businesses across Essex, operating from Colchester since 1998. Services include unlimited remote support with 24-hour monitoring, internet security with real-time protection, GDPR-compliant data backups connected to Microsoft 365, and Microsoft 365 setup covering email, video conferencing and file sharing. The company supports up to 100 users and offers no lock-in contracts.

Ferns It

Colchester

GSA CYBER SECURE

Colchester

GSA Global provides security, investigations and risk management services to organisations, families and individuals. It supports clients in government, financial services, technology, professional services, critical national infrastructure and travel sectors. Services include corporate investigations, close protection, insider risk management, cyber resilience, security vetting and travel risk management. The company helps clients manage human, physical and digital risks through discreet, tailored advice and operational expertise.

HealthHosts

Colchester

HealthHosts designs and hosts websites for complementary therapists, including counsellors, Reiki practitioners, yoga teachers and reflexologists. Packages cover professionally designed pages, managed hosting with SSL certificates, security updates and backups, domains, SEO foundations, enquiry forms and email accounts. Clients can edit content themselves and upgrade packages as their practice grows. The Colchester-based team provides ongoing UK support, with over 1,000 therapists using the service.

Kortec IT Ltd

Colchester

Kortec IT provides managed IT support for small and medium-sized businesses in Colchester and across North Essex. Based in Stanway, the company supports PC, Mac and Windows Server devices, offering packages covering day-to-day support, cyber security protection, Microsoft Office 365 and data backup, with inclusive or customised monthly plans starting from £29 per user.

Mallott Telecom Ltd

Colchester

Mallott Telecom Ltd is an independent telecommunications company based in Colchester with 30 years' experience supplying and installing business telephone systems. Services include VoIP systems, telephone system upgrades, data cabling and ongoing system maintenance, available around the clock. The company serves businesses throughout East Anglia and beyond, offering free quotes and handling all aspects of supply and installation.

MBI Technologies Ltd

Colchester

MBI Technologies Ltd provides IT solutions for healthcare practices, with a focus on dental practices in Essex. Services include hardware and software support, practice management software supply, network design and optimisation, and maintenance of digital products. The company also designs and hosts practice websites, sets up tailored email addresses, and configures Microsoft Exchange servers so staff can manage individual message flows, including referrals handled directly from surgeries.

Mercury Maynard Limited

Colchester

Mercury Maynard is an Essex-based managed service provider offering IT support, voice and data telecoms, cloud services, network connectivity and cyber security to businesses. With over 25 years of industry experience, the company takes a proactive approach, monitoring systems and resolving issues before they disrupt operations. Services range from one-off problem resolution and project assistance to ongoing help desk support, alongside IT advisory guidance.

Octopus Cabling Ltd

Colchester

Octopus Cabling installs and maintains structured data and voice cabling, fibre optics, wireless networks and server cabinets for businesses, schools, universities and industrial sites across Essex. The company also supplies HD CCTV, door access control and disabled refuge alarm systems, and provides passive fire protection through fire stopping installations. Installations typically use CAT5e, CAT6 and CAT6a cabling, and the company is Paxton Installer Accredited.

OnsiteIT

Colchester

OnsiteIT is a Colchester-based managed IT support provider serving businesses across East Anglia. It delivers fully managed IT support and helpdesk cover with proactive monitoring, alongside cyber-security solutions, disaster recovery, business telecoms and broadband connectivity, and hardware procurement of laptops, desktops and servers. The company also supports email and modern workplace setups including Microsoft 365 and Exclaimer cloud signatures.

Saint IT Ltd

Colchester

IT Services for small business | From website development to Microsoft 365 and cloud solutions and VOIP. We have all the expertise for you.

SCL Communications

Colchester

SCL Communications is a Colchester-based IT managed services provider, established in 1998. It delivers desktop IT support including first and second line support, equipment installation and upgrades, project rollouts, office moves and changes, network monitoring and administration, and datacentre operations. The company holds a five-year framework contract with a Government Department and works alongside group partners Bluepoint Technologies and SDC Hosting & Support.

SDC Hosting & Support

Colchester

SDC Hosting & Support provides managed IT support, cloud and hosting services to businesses from its purpose-built data centre in Colchester, Essex – the town's first, opened in 2020. Services include IT support from £10 per user per month, dedicated and colocation server hosting, Office365, website hosting, VoIP telephony, leased lines, backup and disaster recovery, with quarter, half and full racks available.

Solve With Software Ltd

Colchester

Solve With Software is a Colchester-based software company offering mobile app development and bespoke website design to businesses in Essex, London and East Anglia. The team builds iOS and Android applications, including candidate apps for recruitment agencies, and creates custom websites tailored to individual business needs. It also runs Colchester Dev Club, providing startup support and mentorship, and publishes insights on software development, AI and digital transformation.

Totalsoft IT Solutions Ltd

Colchester

TotalSoft IT Solutions is a UK digital studio based in Colchester providing custom software development, website and e-commerce builds, mobile apps, SEO, paid advertising, brand identity and business automation under one roof. Alongside client work, the company runs its own live SaaS products serving garages, transport firms and gas engineers, covering workshop management, transport logistics and gas safety report generation.

Wave Networks

Colchester

Wave Networks is a locally-owned provider of superfast wireless broadband for homes and businesses in Essex and across the UK. Based in Alresford near Colchester, the company also delivers managed WiFi solutions and professional network cabling installation and maintenance. It offers local technical support, dependable secure connectivity, and no in-contract price increases.