Expertise
Cisco Powered SD-WAN services delivered by accredited UK specialists who understand complex, multi-site environments.
networking /sd wan
SD-WAN: Smart networking for smart business
Power your multi-site operations with resilient, cloud-ready networking that’s easier to manage and built for growth. With SD-WAN from Zen, you get faster performance, stronger security and clearer visibility across every location – backed by an ongoing service that evolves as your business changes.
Why choose Zen for SD-WAN?
SD-WAN is only part of the story. What matters just as much is how it’s designed, delivered and supported over time.
When you work with Zen, you’re buying more than a networking solution. Our team stays involved as your environment grows, changes and becomes more complex.
Flexible service models
Three service tiers that let you start where you are today and scale as your network and requirements evolve.
Reliable UK network foundations
700+ Points of Presence, national reach and resilient underlay options designed to support performance and resilience.
A long-term partner
Independent, B Corp certified and committed to fair, honest service, with a focus on outcomes, not just technology.
What is SD-WAN?
For many organisations, the network has quietly become a blocker. Cloud applications underperform, new sites take too long to bring online, changes feel risky, and visibility is limited.
SD-WAN is a modern way of designing and operating wide area networks that’s built for this reality. It uses software-driven control to adapt to traffic in real time, improve application performance, strengthen security, and simplify how multi-site networks are managed.
In practical terms, SD-WAN helps organisations move away from rigid, hard-to-change networks and towards an environment that’s more resilient, more visible, and easier to evolve as the business changes.
SD-WAN is about making the network work in the background, instead of being something your teams are constantly firefighting.
It gives you clear visibility into how applications and sites are performing, automatically routes traffic over the best available paths, and applies consistent policies across every location. That means fewer performance issues, faster resolution when things do go wrong, and far less complexity when you need to make changes.
As part of a managed service, this also means ongoing optimisation – not just a network that’s installed and left, but one that’s continuously monitored, tuned and adapted as your environment evolves.
Flexible connectivity
Works over broadband, Ethernet leased lines or 4G/5G, giving you freedom to use the best connection at each site.
Complete encryption
All WAN traffic is encrypted as standard, helping keep sensitive data protected across every location.
Choice of platforms
Build your SD-WAN with Cisco Catalyst or Meraki, depending on the level of control or simplicity your team needs.
Managed end-to-end
From design and deployment to optimisation, our experts support your network throughout its lifecycle.
SD-WAN service tiers
Choose the option that fits your network today – and scales with your needs tomorrow.
For up to 50 devices. Best for small and medium businesses.
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Core SD-WAN functionality
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Active/passive resilience
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Hub-and-spoke topology
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Low-touch deployment
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Network visibility (read only)
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Flexible underlay options
Key benefits
SD-WAN helps deliver a faster, more secure and more reliable network. Here’s what that means in practice.
Stronger performance
Traffic is routed over the best path automatically, improving application performance.
Better visibility and control
See how your network is performing and apply clear, consistent policies.
Built-in resilience
Multiple links and automatic failover keep your sites online.
Cloud-ready design
Optimised access to SaaS and cloud platforms.
Easier multi-site expansion
Open new sites quickly with low-touch provisioning.
Enhanced security
Encryption, segmentation and firewall options protect data.
Cisco SD-WAN platforms
If you choose SD-WAN from Zen, you’ll be working with two of the most trusted platforms in the industry. Each offers a different balance of control, simplicity and flexibility.
Ideal for more complex environments or organisations that need deeper control. Catalyst supports advanced routing policies, segmentation and custom architectures. It’s well suited to enterprises or multi-site operations with specific performance or security requirements.
Optional security add-ons
Strengthen your SD-WAN deployment with added protection and ongoing optimisation. These options help safeguard traffic, simplify security and keep your network running smoothly.
Zen Hosted Fortigate Virtual Firewall – Virtual firewall protection that adds inspection, segmentation and threat defence without on-site hardware.
Umbrella DNS Protect – Cloud-based DNS security that blocks harmful domains before they reach your network.
Service management reviews – Regular reviews to keep performance on track and ensure your SD-WAN evolves with your business.
Simply fill in the form, and our team will be in touch.
GET IN TOUCH
Get in touch and talk to a Zen expert
Ready to modernise your network? Our team can guide you through your options and help you make the right choices.
SD-WAN Video Insights
Our experts break down how SD-WAN works, the real business benefits, and the security approach behind modern network design.
Moving your business traffic
A clear explanation of how SD-WAN routes application traffic. Discover how SD-WAN improves performance and supports cloud-first operations.
What are the benefits of SD-WAN for businesses?
Industry experts discuss the practical advantages of SD-WAN and how it transforms day-to-day networking.
SD WAN - Securing your IT with SD WAN
A deep dive into our security philosophy. Find out how SD-WAN enhances protection, and why security is a whole-business mindset.
Downloadable resources
Navigating the Digital Future
Learn more about Zen's relationship with Cisco, explore the benefits of SD-WAN and discover the advantages of a managed service with your guide to SD-WAN from Zen.
Can your WAN keep up?
This downloadable document addresses the challenges, features and benefits of SD-WAN.
Buyer's checklist
Our free buyer’s checklist helps you assess and prioritise your key considerations when purchasing SD-WAN.
SD-WAN as a managed service
A complete overview of SD-WAN, with a focus on managed services.
SD-WAN TESTIMONIALS
What our customers say
We’re proud to keep businesses connected. Our high-performance connectivity, voice, cloud and networking solutions are making a real difference. But don’t just take our word for it…
Zen’s understanding of our business goals, commitment to support, and our longstanding partnership were just as important as their technical expertise.
Zen’s understanding of our business goals, commitment to support, and our longstanding partnership were just as important as their technical expertise.
Choose a provider that helps to reduce your carbon footprint
By choosing Zen you can be safe in the knowledge that you are paving the way for a greener future for us all.
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