Secure SD-WAN
Software-defined WAN that gives multi-site businesses faster, more resilient and more secure connectivity than traditional MPLS.

Branch connectivity and security should work together, not fight each other
SD-WAN connects sites, users and cloud services more flexibly than legacy WAN. Combined with modern security, it delivers resilient, controlled, high-performance access - without hairpinning everything through a single office.
- Supports multi-site and cloud-first operations
- Improves resilience and application performance
- Simplifies day-to-day network management
- Sites have genuinely resilient connectivity
- Policies are consistent across every location
- Security and network teams share the same visibility
Are your sites and cloud services connected securely and resiliently enough for the business?
Ask us to review your site connectivity, resilience and SD-WAN readiness.
Understanding secure sd-wan
SD-WAN replaces expensive, fragile MPLS with intelligent software that routes traffic over the best available path - whether that's fibre, broadband, 4G/5G or any mix. With secure SD-WAN, that routing also enforces security policy on every site, integrating cleanly with your firewalls and Zero Trust stack.
- Cyber Essentials & Cyber Essentials Plus
- ISO 27001:2022 Annex A controls
- NCSC 10 Steps to Cyber Security
- CIS Critical Security Controls v8
What we deploy and run
The concrete controls Telappliant configures, manages and reports on.

Secure SD-WAN as run by a UK SOC and engineering team.
Application-aware path selection (voice, M365, line-of-business apps).
Multiple WAN underlays (fibre, broadband, 4G/5G) with seamless failover.
Integrated next-gen firewall and IPS at every site.
Centralised policy and monitoring across all locations.
Zero-touch provisioning for new branches.
Direct internet breakout to M365 instead of trombone-routing.
Why Telappliant
What you get with us that you don't get with the alternatives.
Delivered by a UK SOC and engineering team - no offshored ticketing.
Vendor-agnostic. We pick the right tool for your estate, then run it for you.
Mapped to Cyber Essentials, ISO 27001 and the NCSC 10 Steps from day one.
Fixed monthly price - no surprise hourly bills when something goes wrong.
The outcomes for your business
What changes for your team, your auditors and your insurer.
Better app performance - especially Microsoft 365 and voice.
Cheaper connectivity than MPLS, often within months.
Far more resilient - no more outages from a single broken link.
Single managed platform for connectivity and security at the edge.
Measured outcomes, not promises
3000+ UK organisations served and 100000+ end users supported.
< 60 minute average response on security incidents.
4000+ tickets resolved every month with measurable first-time-fix rates.
Vendor-fluent, not vendor-locked
We pick the right tool for your estate, then run it for you.
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Use cases
How this capability fits at different scales.
Add 4G failover and direct M365 routing to a single site.
Replace MPLS across regional offices with managed SD-WAN.
Integrate SD-WAN, firewall and SASE into one managed stack.
How this applies to organisations like yours
Recent situations we've worked through with UK businesses - find the one closest to yours.
Situation. MPLS contract expiring; needed reliable connectivity to 22 stores at a fraction of the cost.
Outcome. Dual broadband plus 4G failover with SD-WAN; resilient connectivity, 60% cost saving.
Situation. Guest and back-office traffic competing on the same circuit, with poor PMS performance at peak.
Outcome. Application-aware QoS prioritises the PMS and EPOS; guest browsing no longer steals capacity.
Situation. Temporary site offices needing internet up within a day of breaking ground.
Outcome. 4G/5G SD-WAN edge devices live the day a site opens, pre-configured before shipping.
Situation. Clinical apps over the WAN intermittently slow, hurting patient throughput.
Outcome. Path selection routes clinical traffic over the lowest-jitter link in real time.
Common questions
Related fundamentals & services
Microsoft 365 Security Hardening
Most SMEs already pay for the controls that cover secure sd-wan. We help you turn Microsoft 365 Business Premium into a real security baseline - the front door into the wider Cyber Fundamentals portfolio.
Explore Microsoft 365 hardeningTalk to us about secure sd-wan
A 30-minute call to scope what good looks like in your estate.
Talk to a UK technology partner who's done this for 20 years
Book a practical, no-pressure consultation. We'll review your current setup, show where AI communications, cloud telephony or managed IT could improve customer experience and reduce admin - and tell you straight if you don't need us.
- UK-based people, real account management
- Honest recommendations - even if it's not us
- Practical AI where it adds value, not hype
