
ISO, GMP, GDP and Responsible Person support for regulated businesses
Helping pharmaceutical, laboratory, manufacturing and distribution businesses build, strengthen and maintain compliant Quality systems across ISO 9001, ISO 17025, ISO 17034, GMP, GDP / WDA and Responsible Person requirements.
Use our Free MQS QMS Gap Analyzer tool to receive tailored recommendations for your Quality framework, then get in touch to discuss the results and agree a practical path forward.
Practical Quality and compliance support from a senior regulated-industry specialist
MQS helps regulated businesses develop Quality systems that are robust, workable and inspection-ready.
Led by Darren McGrath, MQS provides senior-level support across Quality management systems, laboratory accreditation, GMP, GDP / WDA compliance, Responsible Person support, internal auditing, training, remediation and Quality leadership.

Who MQS Helps
- Pharmaceutical and human / veterinary medicinal product businesses.
- Wholesale distributors and virtual WDA operations.
- Analytical laboratories.
- Reference material and physical / chemical standards manufacturers.
- Manufacturing / Contract-testing businesses
- Startups or growing businesses building formal Quality structures.

Meet Darren McGrath
Darren McGrath is a senior Quality leader and consultant with extensive experience across regulated laboratory, manufacturing and distribution settings.
He has held manager and director-level positions, led Quality teams across multiple functions, worked directly with accreditation and certification bodies, and supported businesses in strengthening systems across ISO, GMP, GDP and related regulated frameworks.
How Darren Works
Practical, direct and risk-based.
Darren focuses on helping clients understand where the real gaps are, prioritise actions sensibly, build systems that people can actually use, improve audit and inspection readiness, strengthen ownership and accountability, and avoid unnecessary complexity.

Focused on outcomes, not just documentation
MQS helps clients achieve clear ownership of Quality processes, stronger audit and inspection readiness, better structure across deviations, CAPA and change control, improved supplier and outsourced activity oversight, more effective management review and KPI use, and stronger Quality foundations for growth, accreditation or regulatory interactions
Specialized Solutions for Quality Management Experts
Explore our core services designed for Quality professionals.
ISO 9001 Consulting
ISO 9001:2026 Preparation
ISO 17025 Laboratory Support
ISO 17034 Reference Material Quality Systems
GDP / WDA Quality Systems and Responsible Person Support
GMP and Regulatory Quality Support
Internal Audits and Inspection Readiness
Practical ISO, GMP, GDP and RP support from a Senior Quality Leader
Fractional Quality / Strategic Leadership
Training & Development
Tailored programs to enhance Quality skills and knowledge.
Fractional and Interim Quality Leadership
A proud member of the Go Fractional Community https://www.gofractional.com/r/darren-mcgrath

mqs.ie: Elevating Standards in Quality Management
Issues with your QMS? Think MQS
Email: darren@mqs.ie
Or contact Darren via LinkedIn
