Certifications & Partners
Formal certifications, accreditations and technology partnerships held by the Leigh Services team. We maintain rigorous, industry-standard credentials across security, cloud platforms and data engineering to back every engagement with verified expertise.
Professional Certifications
Formal certifications and accreditations held by the Leigh Services team.
Microsoft 365 & Azure
Luke Leigh · 25+ years Microsoft platform experience
Deep hands-on expertise across the Microsoft stack — Windows Server, Active Directory, Exchange Online, Microsoft 365, Azure and Entra ID. Luke has delivered M365 migrations, Exchange deployments and Azure integrations across multiple organisations.
microsoft.com/microsoft-365 arrow_outwardGoogle Cloud Platform
Mark Leigh
Production GCP delivery at Swarovski (2020–2024) covering BigQuery, Cloud Storage, Dataflow and GCP security — migrating a complex data platform from SAS to GCP and delivering €1m in annual cost savings.
PowerShell Gallery Publisher
Luke Leigh
Luke publishes open-source PowerShell modules on the PowerShell Gallery — including PSCiscoMeraki. All modules are available under permissive licences and reflect production-grade tooling standards.
GitHub Open Source
Luke Leigh · github.com/BanterBoy
Active GitHub contributor publishing PowerShell tooling, infrastructure scripts and automation solutions. Open-source work spans Cisco Meraki API integration, Active Directory utilities and general infrastructure tooling.
CompTIA Security+
Mark Leigh · Optima Training · 2026
Globally recognised baseline security certification covering threat management, cryptography, identity management, network security and compliance. A foundation for Mark's DevSecOps and security-first data engineering practice.
pending_actions Ongoing & Candidate Status
CREST CPSA
CREST Practitioner Security Analyst · Mark Leigh · Optima Training
A rigorous UK-based cyber security certification covering penetration testing, vulnerability assessment and security analysis. Currently in progress.
BSc Applied Computer Science
Mark Leigh · De Montfort University, Leicester
Bachelor of Science in Applied Computer Science — providing the academic foundation for Mark's subsequent career in data engineering, security and platform development spanning 20+ years.
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