Alright, let’s be real getting your firewalls right isn’t exactly anyone’s idea of a fun afternoon. But here’s the thing: in the UK, there are some clever firms that make it feel like configuring a firewall is less about wrestling with rules and more about plugging in peace of mind. In this article, I’ll walk you through a handful of those stand‑outs firms that do more than just flick switches. They audit, optimize, monitor, and yes, even babysit your firewall so you don’t have to. Ready? Let’s roll.
1. A-Listware
At A-Listware, we work closely with clients across industries to provide tailored firewall configuration and security services as part of a broader IT support and consulting framework. Rather than treating cybersecurity as a separate unit, we incorporate firewall setup and ongoing management into the wider context of digital infrastructure, software development, and managed IT services. That means we don’t just configure and forget we integrate firewall policies that align with your system architecture, user access needs, and operational realities.
We also provide full support across the lifecycle of firewall use, from initial assessment to ongoing management and optimization. Our engineers work alongside client teams to understand real-world risks, implement rule-based controls, manage cloud or on-prem setups, and provide help desk and monitoring support when things change. It’s not just about the firewall it’s about how it fits into your broader tech stack and security posture.
Key Highlights:
- Full-stack IT approach with integrated firewall configuration
- Ongoing management and support for cloud and on-prem environments
- Collaboration with SMEs, startups, and large enterprises
- Support for Agile, KPI-based, or custom contractual models
- Extended teams that integrate with your existing staff
Services:
- Firewall configuration and policy management
- Security consulting and infrastructure protection
- Cloud and on-premise system management
- 24/7 technical support and monitoring
- Software development and infrastructure design
- Cybersecurity strategy as part of IT consulting
- Help desk services with security coverage
- Integration of firewall into ERP, CRM, and enterprise systems
Contact Information:
- Website: a-listware.com
- Phone: +44 (0)142 439 01 40
- Email: info@a-listware.com
- Address: St. Leonards-On-Sea, TN37 7TA, UK
- LinkedIn: www.linkedin.com/company/a-listware
- Facebook: www.facebook.com/alistware
2. CWCS Managed Hosting
CWCS offers firewall configuration as part of their broader managed hosting and infrastructure services. They provide dedicated and cloud-based firewall solutions, primarily built around Cisco Next-Gen Firewall technology. Their approach gives businesses control over their firewall setup while offering the option for fully managed support. The configuration process is handled by UK-based engineers who understand server infrastructure, which helps in aligning firewall rules with hosting architecture and user requirements.
What stands out in their model is the integration of firewall security with other services like managed cloud, colocation, and dedicated servers. Rather than treating security as a bolt-on, CWCS positions it as a natural layer in the overall infrastructure. They also support remote access VPN configurations and encourage businesses to adjust or refine their firewall settings in line with their changing needs. It’s a practical setup that lets clients either stay hands-on or leave the day-to-day management to the support team.
Key Highlights:
- Cisco NGFW used for firewall configuration
- Full control over firewall rules if desired
- VPN setup available for remote access
- UK-based engineering team for support
- Firewall services integrated into hosting infrastructure
Services:
- Dedicated and cloud firewall configuration
- Firewall management for hosted servers
- VPN configuration (site-to-site, AnyConnect)
- Security policy updates and change management
- Managed cloud and dedicated hosting with firewall support
- Help desk and hands-on customer service
- Integration with server colocation environments
Contact Information:
- Website: www.cwcs.co.uk
- E-mail: info@cwcs.co.uk
- Address: 3 Padge Road, Beeston, Nottingham, NG9 2JR,UK
- Phone: +44 (0) 115 740 1234
3. Just Firewalls
Just Firewalls focuses exclusively on firewall hardware, software, and related services. They operate as a supplier and advisor, helping businesses select, configure, and manage firewalls from brands like SonicWall, WatchGuard, and Sophos. Their team is UK-based and includes specialists with extensive experience in deploying security solutions across different business environments. Rather than offering broad IT services, they concentrate on this one piece of the puzzle firewalls and do it in depth.
They work with companies that either need help picking the right firewall or require a full managed setup. Their support includes guidance on hardware purchases, rule configurations, and implementing security features like multi-factor authentication. They also offer remote support and product delivery across the UK. Their model is built around matching the firewall type and setup to what the business actually needs, not just selling equipment.
Key Highlights:
- Specialists in firewall selection and deployment
- UK-based support team with vendor certifications
- Partnered with SonicWall, WatchGuard, and Sophos
- Practical focus on affordability and fit-for-purpose setups
- Available same-day delivery in London
Services:
- Firewall selection and procurement
- Managed firewall setup and monitoring
- Remote configuration support
- Multi-factor authentication implementation
- Advice on licensing and upgrade paths
- Security rule design and troubleshooting
Contact Information:
- Website: www.justfirewalls.com
- E-mail: sales@justtechgroup.com
- Address: Bark Street E, Bolton, BL1 2BQ
- Phone: 01204 707146
4. Nomios UK
Nomios operates as a network and cybersecurity firm that includes firewall configuration within a larger portfolio of managed services. Their team works with mid-size and enterprise organisations that need help managing complex digital infrastructure, including hybrid and cloud environments. Firewall management is one component of their security framework, which often connects into broader zero-trust architecture and secure connectivity planning.
They don’t just deploy firewalls, they help define where they should sit in the bigger picture. Their consultants work with clients to assess threats, build network segments, and automate security controls as part of ongoing support. The team is vendor-agnostic and works with multiple technologies, depending on the use case. What they bring is a structured approach that allows businesses to tighten perimeter security while also enabling modern workflows like remote access or cloud migrations.
Key Highlights:
- Firewall setup part of broader security and network strategy
- Works with multiple vendors and configurations
- Offers consulting and managed support under one roof
- Focuses on long-term partnerships rather than one-off projects
- Supports high-complexity environments across multiple industries
Services:
- Firewall configuration and lifecycle management
- Zero-trust network design
- Cloud and hybrid infrastructure protection
- Continuous monitoring and managed support
- Security automation and policy enforcement
- Strategic advisory on network and data security
Contact Information:
- Website: www.nomios.co.uk
- Facebook: www.facebook.com/NomiosGroup
- Twitter: x.com/nomiosgroup
- LinkedIn: www.linkedin.com/company/nomios-uk-i
- Address: 2 Elmwood, Chineham Park RG24 8WG Basingstoke United Kingdom
- Phone: +44 (0)1256 805225
5. CyberGlobal UK
CyberGlobal UK delivers firewall configuration and management as part of a broader network security offering. Their approach is structured around maintaining a strong perimeter by configuring firewalls based on current best practices, while continuously monitoring and patching systems to reduce vulnerability exposure. They focus on tailoring each firewall rule set to the business’s actual operational needs, ensuring the setup aligns with internal access policies and external threat models. Their engineers review existing environments first, then deploy optimized configurations backed by 24/7 monitoring.
What sets their service apart is how it integrates firewall management with their broader cybersecurity stack. They handle incident response, reporting, and regular maintenance as a continuous cycle rather than a one-time activity. Alongside the firewall work, they provide assessments, active directory reviews, intrusion prevention tools, and network access controls. The result is a support structure that not only configures but actively maintains and strengthens the firewall infrastructure over time.
Key Highlights:
- Baseline policy and rule optimization
- 24/7 monitoring and log analysis
- Routine patching and ruleset audits
- Reporting on firewall performance and compliance
- Integrated response and remediation support
Services:
- Firewall configuration and ruleset design
- Continuous firewall monitoring and reporting
- Security patch management
- Incident response support
- Network segmentation and access control
- Intrusion detection and prevention system (IDPS)
- Active directory security assessments
- Cybersecurity consulting and penetration testing
Contact Information:
- Website: cybergl.com
- E-mail: info.uk@cybergl.com
- Facebook: www.facebook.com/people/CyberGlobal/61565132261789
- Twitter: x.com/CyberGlb
- LinkedIn: www.linkedin.com/company/cyber-global
- Instagram: www.instagram.com/cyberglb
- Address: Bramley House, Bramley Rd, Long Eaton, Nottingham, NG10 3SX, UK
- Phone: +44 01157 720572
6. Mitec Group
Mitec Group provides firewall installation and configuration services with a focus on practical deployment across physical and cloud-based environments. Their certified professionals handle both the hardware and software sides of firewall management, tailoring configurations based on specific network security policies. The process includes installation at key network points, defining rule sets, and fine-tuning settings to maintain performance while ensuring compliance with internal and regulatory standards.
Ongoing support includes monitoring traffic, adjusting configurations, and providing visibility into how the firewall is functioning through reports and alerting tools. Their firewall services fit within a larger IT offering that includes endpoint protection, DNS filtering, cloud backups, and help desk support. Rather than treat firewalls as an isolated service, Mitec builds them into the infrastructure strategy, adjusting over time as needs shift or threats evolve.
Key Highlights:
- Hardware installation and network placement
- Custom rule definition based on internal policies
- Firewall performance tuning and adjustment
- Reporting on firewall activity and compliance
- Part of broader IT infrastructure support
Services:
- Firewall hardware setup and connectivity
- Firewall rule configuration and optimization
- Network threat detection and mitigation
- Monitoring and alert setup
- Cloud and on-prem security integration
- Endpoint protection and DNS filtering
- Web filtering and anti-spam controls
- Backup solutions for virtual and physical systems
Contact Information:
- Website: www.mitecgroup.co.uk
- E-mail: helpdesk@mitecgroup.co.uk
- Address: Ammanford Head Office 26 College Street Ammanford Carmarthenshire SA18 3AF, UK
- Phone: 0333 323 1616
7. SR Cloud Solutions
SR Cloud Solutions delivers managed firewall services that focus on continuous monitoring, configuration, and response. Their model is built for businesses that want to offload day-to-day firewall operations without losing visibility or control. They monitor usage, respond to incidents, and maintain configuration backups, all while keeping firewall rules aligned with changing environments. Their services are backed by a 24/7 UK-based SOC that handles event management and provides ongoing support across both physical and cloud firewalls.
Their approach combines real-time alerts with scheduled assessments, allowing clients to stay ahead of emerging threats. They also provide direct access to certified specialists who can assist with tuning configurations or planning upgrades. Alongside firewall management, SR Cloud Solutions delivers cloud governance, identity access tools, and Microsoft Azure integration, which makes their services particularly useful for hybrid cloud environments.
Key Highlights:
- 24/7 firewall operations and monitoring
- Managed by UK-based SOC and security engineers
- Supports both physical and cloud environments
- Regular configuration reviews and health checks
- Integration with Azure and hybrid environments
Services:
- Managed firewall configuration and tuning
- Real-time event and incident management
- Configuration backup and change tracking
- Security assessments and reporting
- Hybrid cloud firewall support (FWaaS)
- Integration with secure SD-WAN and cloud gateways
- Access to expert engineers for direct support
- Ongoing firewall performance and uptime management
Contact Information:
- Website: srcloudsolutions.co.uk
- E-mail: info@srcloudsolutions.co.uk
- Facebook: www.facebook.com/srcloudsolutions
- Twitter: x.com/SRCloudSolution
- LinkedIn: www.linkedin.com/company/sr-cloud-solutions-ltd
- Address: 2 Claridge Court, Lower Kings Road, Berkhamsted, Hertfordshire, HP4 2AF, UK
- Phone: 020 3603 9960
8. Severn Technologies
They design, implement, and manage firewalls as part of a wider approach to network security. Their work starts with a practical review of the network, user groups, and risks, then moves into an architecture that fits the environment. They handle physical, virtual, and cloud firewalls, align rule sets with policy, and keep configurations tidy so the estate stays manageable and secure.
They also look after day-to-day upkeep. That includes monitoring, updates, policy changes, and help when something shifts in the network. They support migrations from older platforms, segment internal networks where needed, and fold the firewall into other controls like NAC and zero trust models, so the perimeter and the inside of the network work together.
Key Highlights:
- Network assessment before design and build
- Support for major vendor platforms
- Rule base cleanup and optimization
- 24/7 monitoring and maintenance
- Migration from legacy firewalls
- Options for multi-site control from a single pane
Services:
- Firewall architecture and configuration
- Policy design and rule management
- Firmware patching and lifecycle upkeep
- Network segmentation and access control
- Firewall migration planning and execution
- Ongoing monitoring and incident response
Contact Information:
- Website: severntechs.co.uk
- E-mail: hello@severntechs.co.uk
- LinkedIn: www.linkedin.com/company/severn-technologies
- Address: 4th Floor, 14 Museum Place Cardiff CF10 3BH, UK
- Phone: +4402921685410
9. TWC IT Solutions
They provide managed firewall services for different setups, from on-prem to cloud. Their team helps choose and run platforms from several vendors, then manages the configuration so policies match how the business actually operates. They deal with remote access, site links, and traffic shaping, and they keep an eye on updates so controls do not fall behind.
Their focus is to keep the firewall aligned with the rest of the stack. They support mixed environments, handle central dashboards where available, and provide reporting that shows what the firewall is doing and why. The aim is steady protection and clear visibility without adding noise to day-to-day work.
Key Highlights:
- Product-agnostic platform support
- Options for physical, virtual, and cloud firewalls
- Centralized management where platforms allow
- Support for remote users and branch links
- Reporting to track activity and changes
Services:
- Firewall selection and rollout
- Configuration, tuning, and policy updates
- VPN setup for users and sites
- SD-WAN and traffic management features
- Monitoring, alerts, and health checks
- Upgrade planning and version control
Contact Information:
- Website: twc-it-solutions.com
- E-mail: sales@twcitsolutions.com
- Twitter: x.com/twcitsolutions
- LinkedIn: www.linkedin.com/company/twc-support
- Address: 32-34 Station Close Potters Bar London EN6 1TL, UK
- Phone: 08000 248 900
10. HelpDesk Heroes
They deliver managed firewall solutions with a straightforward goal: block what should not pass and keep normal work flowing. They assess the current network, set policies that match the environment, and deploy hardware or virtual firewalls at the right points in the path. They also set up VPNs so staff can connect securely from outside the office.
Once live, they keep watch on traffic, adjust rules as needs change, and share simple reports so teams can see what is happening. Their firewall work sits alongside broader IT support, which helps when issues cross over into endpoints, email, or connectivity.
Key Highlights:
- Assessment first, then policy and build
- Managed rules with ongoing tuning
- VPN setup for secure remote access
- Monitoring and clear reporting
- Fits alongside wider IT support
Services:
- Firewall configuration and deployment
- Rule management and threat filtering
- Continuous monitoring and alerting
- VPN configuration for users and sites
- Web filtering, DNS protection, and email controls
- Support across on-prem and cloud environments
Contact Information:
- Website: helpdeskheroes.co.uk
- E-mail: info@helpdeskheroes.co.uk
- Facebook: www.facebook.com/HelpDeskHeroesLondon
- Twitter: x.com/helpdesk_heroes
- LinkedIn: www.linkedin.com/company/helpdeskheroes
- Instagram: www.instagram.com/helpdeskheroesldn
- Address: 1 Long LaneLondon SE1 4PG, UK
- Phone: +44 203 8312 780
11. OneFirewall
They focus on turning threat intelligence into practical firewall controls. Their platform collects indicators from multiple sources, correlates them, and feeds updates into existing firewalls so rules and blocklists stay current. Instead of adding another silo, they connect with common firewall stacks and make it easier for teams to act on real signals rather than sift through noise.
They also support a clear workflow around deployment. It starts with an assessment of the environment, moves through installation and configuration, and ends with reporting that shows what changed and why. Teams can run the service in the cloud, on-prem, or in a hybrid setup, and manage it through a dashboard or API while keeping their existing firewall architecture in place.
Key Highlights:
- Threat intelligence integrated directly into firewall policy
- Compatibility with major firewall platforms
- Cloud, on-prem, and hybrid deployment options
- Dashboard and API for control and reporting
- Assessment-installation-reporting workflow
- Continuous indicator updates to reduce exposure
Services:
- Threat feed management and tuning
- Automated blocking via firewall integrations
- Policy update orchestration and rule curation
- DNS security and resolver deployment
- Network traffic analysis and alerting
- Reporting on detections, changes, and outcomes
- Support for secure communications and mobile filtering
Contact Information:
- Website: onefirewall.com
- E-mail: support@onefirewall.com
- LinkedIn: www.linkedin.com/company/onefirewall-alliance
- Address: OneFirewall Alliance LTD, 5 Greenwich View Place, London, England, E14 9NN, UK
- Phone: +44 (0) 20 3807 8020
12. Wizard Cyber
They provide managed firewall services alongside detection and response capabilities. Their work covers consultation, supply, installation, and daily administration, with configurations aligned to how the business actually operates. Firewalls sit within a wider stack that includes SIEM, endpoint protection, and monitoring, so events from the perimeter tie back to a single operational view.
They support multiple vendors and setups across data centers, branches, and cloud. The team handles policy changes, firmware updates, VPN access, and routing features, and they can extend controls to web application firewalls when needed. For more mature environments, they connect firewall telemetry into a SOC workflow so alerts turn into action rather than background noise.
Key Highlights:
- Vendor-agnostic approach including enterprise firewall platforms
- Integration with SIEM and SOC workflows
- Support for data center, branch, and cloud scenarios
- Option to pair with managed web application firewall
- Zero trust consulting to frame access policies
Services:
- Firewall selection, supply, and installation
- Configuration, rule tuning, and change management
- Monitoring and alert handling
- VPN and secure remote access setup
- SD-WAN and traffic management features
- Logging to SIEM with security reporting
- Managed web application firewall administration
Contact Information:
- Website: wizardcyber.com
- E-mail: info@wizardcyber.com
- Facebook: www.facebook.com/WizardCyber
- Twitter: x.com/wizardcyber
- LinkedIn: www.linkedin.com/company/wizard-cyber
- Instagram: www.instagram.com/wizardcyberuk
- Address: Runway East – Aldgate East 2 Whitechapel Road London E1 1EW, UK
- Phone: 0333 311 0121
13. SecurityHQ
They deliver firewall administration as part of a managed security service. The firewall sits within a broader model that covers detection, response, and risk management, which helps link perimeter events to endpoint, network, and data signals. Their platform provides visibility, while analysts manage policies, assess changes, and coordinate response when something needs attention.
They align work with recognized frameworks and support adjacent controls like SASE and SD-WAN, so access and routing policies are consistent across locations and cloud services. Beyond daily administration, they can review exposure, run assessments, and advise on improvements, keeping the firewall relevant to how the business and its risks evolve.
Key Highlights:
- Firewall administration within a managed detection and response program
- Playbooks aligned to recognized security frameworks
- Platform visibility for policy, events, and changes
- Options for SASE and SD-WAN integration
- Vendor-agnostic operations
Services:
- Firewall policy design, administration, and change control
- Continuous monitoring and event triage
- Configuration hardening and optimization
- SASE and SD-WAN integration support
- Vulnerability and risk assessments
- Incident response support and forensics
- Advisory and leadership guidance for security governance
Contact Information:
- Website: www.securityhq.com
- E-mail: privacy@securityhq.com
- Facebook: www.facebook.com/Sechq
- Twitter: x.com/security_hq
- LinkedIn: www.linkedin.com/company/securityhq
- Address: 7 Greenwich View Pl, Canary Wharf, London, United Kingdom – E14 9NN
- Phone: +44 20 332 70699′
14. Observer Solutions
Observer Solutions approach firewall configuration through a risk lens. Instead of starting with tools, they begin by asking what could lead to a breach and what would hurt most if it happened. From there, they blend human and automated testing to get a clear picture of the network, then design policies that match how assets are used. Their team tunes controls, reduces noise, and feeds useful findings into dashboards so stakeholders can see what matters and act without guesswork.
They also handle the ongoing work that keeps a firewall effective. That includes rule cleanup, configuration hardening, and change control, along with simple reporting that fits governance needs. They help select and tune vendor platforms, link firewall data with identity and endpoint controls, and use automation to keep policies current as the environment shifts.
Key Highlights:
- Risk-first approach to policy and design
- Blended testing to reduce false noise
- Rule cleanup and configuration hardening
- Vendor choice and tuning without lock-in
- Dashboards and GRC friendly reporting
- Links to IAM, endpoint, and cloud controls
Services:
- Firewall architecture and configuration
- Policy design, rule curation, and cleanup
- Continuous testing and review
- Change control and monitoring
- Governance reporting and evidence collection
- Threat and risk assessment
- Managed security and SOC support
Contact Information:
- Website: observer.solutions
- E-mail: tim.vincent@observer.solutions
- LinkedIn: www.linkedin.com/company/observer-solutions-ltd
- Phone: +44 (0)203 697 1364
15. Cloud Gateway
Cloud Gateway combines a managed service with a network platform so teams can connect sites and clouds and protect traffic in one place. Firewall functions sit in the protected pillar, while the portal gives real time visibility into events, usage, and rule sets. They design, deploy, and manage the setup, and still leave room for self service where it makes sense.
Their model groups work to connect, protect, and inspect. That means next generation firewall policies, secure web access, and web app protection on the same platform, with threat intelligence pushed into controls and logs ready for SIEM or SOC use. They support public and private sector needs and keep reporting simple, including exports for rules and routing when audits roll around.
Key Highlights:
- Firewall-as-a-service on a NaaS platform
- Single portal for visibility and control
- Connect, protect, inspect model
- SIEM and SOC integration
- Web and application security on platform
- Reporting and export for audits
Services:
- Firewall design, configuration, and policy management
- Remote access and site connectivity aligned with rules
- Secure web gateway and web application firewall
- Log collection, alerting, and SIEM handoff
- Network architecture review tied to firewall posture
- Ongoing rule tuning and change management
Contact Information:
- Website: www.cloudgateway.co.uk
- E-mail: sales@cloudgateway.co.uk
- Twitter: x.com/cloudgatewayltd
- LinkedIn: www.linkedin.com/company/cloudgateway
- Phone: +44 (0) 203 870 2444
Conclusion
Managed firewall work is not a one-time setup, it is daily care. The UK market has a healthy mix of options, from platform led NaaS providers to specialists who live in rule bases, to broader MSSPs that fold firewall admin into detection and response. Different shapes, same basics: sound design, clean rules, timely changes, ongoing monitoring, and reports you can actually use.
If you are picking a partner, map it to reality first. Note your vendor stack, on prem and cloud mix, remote user needs, and any compliance guardrails. Ask how they handle change control, incident handoff, and out of hours cover. Check rule hygiene, backup and rollback steps, and how logs land in your SIEM. Get clarity on who owns what, SLAs, and the exit plan. A short pilot with clear measures helps too time to change, false positive rates, and how fast they spot and contain issues. The right fit should make your security quieter, not louder, and free your team to focus on the work that moves the business forward.
