25+ Years of Experience
Fixed Service Pricing
24/7 Monitoring
2500+ Fully Managed Users
25+ Years of Experience
Fixed Service Pricing
24/7 Monitoring
2500+ Fully Managed Users
Many organisations are now reviewing their virtualisation strategy following VMware licensing changes and rising subscription costs.
At Nexus, we help businesses assess their options and migrate from VMware to cost-effective alternatives like Proxmox, without disruption to operations.
Recent licensing changes have prompted many IT leaders to reassess VMware and explore alternative platforms that offer greater flexibility and predictable costs.
We’re seeing organisations review VMware because:
As a Proxmox partner and UK-wide managed IT provider, Nexus delivers end-to-end VMware migration services, from initial discovery through to optimisation and ongoing support.
We help organisations:
• Evaluate whether moving makes commercial sense
• Design the right architecture for performance and resilience
• Migrate workloads securely with minimal disruption
• Optimise the environment post-migration
We start by understanding your environment:
• Current VMware workloads and dependencies
• Infrastructure performance and utilisation
• Licensing costs and renewal timelines
• Business and compliance requirements
You’ll receive a clear recommendation and cost comparison.
We design a future-ready environment tailored to your organisation:
• Proxmox architecture planning
• High availability and resilience design
• Backup and disaster recovery strategy
• Security alignment (ISO / Cyber Essentials)
Our engineers deliver a controlled, phased migration:
• Workload prioritisation and scheduling
• Extensive pre-migration testing
• Parallel running where required
• Minimal downtime transition
(Every project includes rollback planning for peace of mind.)
Our service doesn’t stop at go-live. Ongoing support ensures your environment continues to perform optimally and issues are resolved quickly.
We provide:
• Performance optimisation
• Monitoring and patching
• Security hardening
• Strategic roadmap planning via vCIO & TAM support
Certified experience designing and supporting production Proxmox environments.
We align your infrastructure to business outcomes – not just technology decisions.
Careful planning ensures continuity throughout migration projects.
From design to ongoing management, everything sits under one partner.
Organisations migrating away from VMware often achieve:
For many organisations, migration costs are offset by savings within a short timeframe through reduced licensing spend.
Our VMware migration services are ideal for:
We design migrations to minimise or eliminate downtime through careful planning, testing and staged execution.
Costs vary depending on workloads and infrastructure. Most organisations find savings offset migration investment through reduced licensing costs over time.
Proxmox offers enterprise-grade virtualisation with greater flexibility and significantly lower licensing costs compared with VMware.
We have a case study where we’ve replaced VMware with Proxmox at Tamar Crossings, a critical infrastructure organisation who could not accept any downtime. Read more at Migrating from VMware vSphere to Proxmox VE
We have a case study with Williams Southern Construction where we modernised their IT infrastructure and replaced VMware with Proxmox VE to save licensing costs and streamline their infrastructure in a cloud-first world.
Request Your Free IT Audit and benefit from a comprehensive review of your IT environment, including:
Following a 45 minute Teams call led by one of our technical consultants, we’ll provide you with an IT health score and actionable insights to strengthen your IT systems.
Simply complete this form and we’ll be in touch within 24 hours. Your business must have a minimum of 40 IT users to qualify.
“Nexus Open Systems Ltd demonstrated an excellent track record delivering innovative IT services and cloud solutions while exceeding customer expectations.”
Cloudtango industry review 2024
"*" indicates required fields
If you’re approaching renewal or simply want clarity on your options, we can help.
