Network Transformation
Redesign of enterprise network architecture around current business requirements — so the estate supports growth, resilience, and compliance rather than constraining them.
Learn more →Enterprise Network Consultancy for Transformation, Migration and Security
Senior network architecture, controlled migration, and security delivery for organisations whose infrastructure is business-critical.
Engaged directly by end clients and in partnership with MSPs and consultancies, for fixed-term, project, and fractional engagements.
UK Registered Limited Company
Company No. 10403450
Founded 2016
Project & Fractional Engagements
What We Do
Project-Led Network Consultancy
Major infrastructure change is infrequent but high-stakes. A data centre exit, a cloud migration, a firewall refresh, or an estate reaching end of support all carry the same risk: the network underpins every application, and problems are felt across the business immediately.
vSource IT provides the senior network architecture and delivery expertise these programmes depend on. Engagements are scoped with defined deliverables and executed under change control — directly for end clients, or alongside MSPs and consultancies — so the infrastructure changes while the business keeps running.
Services
What We Deliver
Defined network consultancy services covering transformation, migration, security, and technical leadership — from initial assessment through to cutover and assurance.
Network Refresh
Planned replacement of ageing switching, routing, and wireless infrastructure — removing end-of-support risk without disrupting live operations.
Learn more →Network Migration
Structured migration between platforms, providers, or sites, with dependency mapping, tested rollback, and predictable cutover windows.
Learn more →Data Centre Migration
Controlled migration and consolidation of data centre infrastructure — workloads, connectivity, and security dependencies — without unplanned outages.
Learn more →Cloud Migration — AWS & Azure
Cloud networking and landing zone design for workloads moving to AWS or Azure, with hybrid connectivity that preserves security and performance during transition.
Learn more →Network Security
Segmentation, policy design, and security architecture review that reduces exposure and stands up to audit — across enterprise, cloud, and data centre environments.
Learn more →Firewall Migration
Cross-vendor firewall replacement and policy migration, planned and validated so security posture is maintained throughout cutover.
Learn more →Fractional Network Consultancy
Senior design authority, assurance, and delivery oversight on a part-time basis — enterprise-grade technical leadership without a full-time hire.
Learn more →Methodology
How Projects Are Delivered
Every engagement follows the same four-stage structure, sized to the work. It keeps delivery predictable, keeps stakeholders informed, and keeps risk visible before it becomes disruption.
Discovery
Understand business objectives, current infrastructure, risks, and dependencies — before anything changes.
Design
Produce pragmatic target designs, migration plans, and implementation documentation, validated with stakeholders.
Delivery
Execute change with structured project management, change control, and hands-on technical leadership.
Assurance
Validate outcomes, complete knowledge transfer, and confirm operational readiness before close.
How We Work
Engagement Models
Engagements are scoped, contracted, and delivered through vSource IT Ltd, with the delivery model aligned to the nature of the work.
Fixed-Term Project Engagements
A defined project delivered over an agreed period against a fixed scope, suited to work with a clear start, end, and set of deliverables.
Best suited to organisations with a defined programme — a migration, refresh, or transformation — that needs senior delivery for its duration.
Statement of Work
Discrete pieces of work delivered against a written statement of work covering scope, deliverables, timeline, and acceptance criteria.
Best suited to well-bounded work: a design, an architecture review, or a single migration phase.
Fractional Consultancy
Ongoing, part-time technical leadership for organisations that need senior design authority and delivery oversight without a full-time hire.
Best suited to organisations with an internal skills gap at senior level, or a programme that needs ongoing governance rather than full-time capacity.
Delivery Partner Support
Specialist network consultancy support engaged by MSPs and consultancies for client programmes.
Best suited to delivery partners that need enterprise network expertise inside a client engagement, under the partner's governance.
Platforms
Technology Expertise
Recommendations are led by requirements, not vendor alignment. vSource IT has designed, integrated, and migrated the platforms below in live enterprise environments — which is what makes cross-vendor migration and multi-vendor estates practical rather than theoretical.
- Network & Data Centre
- Cisco (Catalyst, Nexus, ACI), Aruba, Meraki — campus, WAN, and data centre fabric design and migration
- Network Security
- Palo Alto, Fortinet, Check Point, Cisco Firepower, Cloudflare — firewall architecture, policy migration, and segmentation
- Cloud Networking
- Microsoft Azure, AWS, VMware (NSX, VMware Cloud on AWS) — landing zones, hybrid connectivity, and cloud security architecture
- Application Delivery
- F5 BIG-IP, Citrix NetScaler, Avi Networks — load balancing, DDoS protection, and platform migration
Credibility
Why vSource IT
Every engagement is delivered at senior level. The consultant who scopes the work also designs it, delivers it, and stands behind it — there is no handover to a junior delivery bench, and no gap between who is proposed and who turns up.
Delivery is deliberately low-risk. Designs are validated before implementation, dependencies are mapped before migration, and cutovers are executed with tested rollback plans — the discipline that business-critical infrastructure requires. That approach has been applied across more than 18 years of enterprise network engineering, including data centre exits, multi-vendor firewall migrations, and cloud adoption programmes in complex, regulated environments.
The work spans financial services, public sector, automotive, housing, defence, telecommunications, and technology organisations — with experience acting as design authority, supporting architecture review boards, and providing project assurance over third-party delivery. Credentials include Cisco CCNP, VMware VCP, and Microsoft MCSA.
Who We Work With
Track Record
Recent Project Experience
Client names are withheld under standard confidentiality terms; sector and scope illustrate the type of work delivered.
Enterprise Firewall Migration
Replacement of a multi-VSYS Palo Alto estate with a clustered multi-VDOM platform for a national automotive retail group — several thousand policy and NAT rules translated and migrated out of hours, with no unplanned disruption to trading systems.
Data Centre Consolidation
Consolidation of five legacy data centres into two managed environments for a payments technology business, acting as design authority across hybrid connectivity, security, and migration sequencing.
Cloud Landing Zone Networking
AWS landing zone and hybrid connectivity design for an international consumer goods business, preserving enterprise security segmentation within VMware Cloud on AWS.
Get In Touch
Discuss Your Project
Whether you're planning a migration, reviewing a security change, or need fractional technical leadership, get in touch to discuss scope, delivery model, and timelines.