About
Running a business is tough enough without worrying about compliance gaps, incidents, or safety systems that don’t work.
Leaders want their people safe, their workplaces compliant, and their business protected, but finding the time and expertise to get there can feel overwhelming.
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That’s where Kaster comes in. We’re a Sydney-based safety consulting firm specialising in independent audits and incident investigations, guiding businesses to build safe workplaces everybody loves.
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We help you build safe systems, safe places, and safe people, because when all three come together, you get a workplace where everyone thrives.
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Audit (safety, environment, quality, IMS)
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ICAM Incident Investigation (safety, environment, quality)
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Safety Strategy & Planning
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WHS Management Systems Uplift
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Organisational Risk Profiling
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Gap analysis
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Site Inspections
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Risk Management
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Psychological Safety
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Technical Writing
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Training & Workshops
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Behavioural Based Safety Assessment
Our Values
Kasters work is grounded in;
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Quality
Delivering outcomes that are customer focused, efficient and effective.
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Integrity
Giving you clear, honest advice you can rely on.
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Diligence
Taking the time to understand your business and tailor solutions that work in practice, not just on paper.
These values guide everything we do, ensuring your people and your business are always in safe hands.
Our Expertise
​With nearly 20 years in workplace health and safety, Kaster brings deep expertise across audits, investigations, and management systems. We are certified by Exemplar Global in:
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ISO 45001 OHS Lead Auditor
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ISO 14001 Environmental Management Lead Auditor
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ISO 9001 Quality Lead Auditor
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Integrated Management Systems (Lead Auditor & Specialist)
We’re also certified in ICAM Incident Investigation (Lead) ensuring every investigation is conducted with independence, rigour, and professionalism.
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When you work with Kaster, you’re partnering with specialists who combine technical expertise with practical insight — helping you reduce risk, meet your obligations, and protect what matters most: your people.
Meet Our Director
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With nearly 20 years experience in WHS Megan Lumley has led significant safety transformations across diverse industries including chemical manufacturing, pharmaceutical manufacturing, heavy industrial manufacturing, utilities, data centres, construction, housing, finance, aged care, and public sectors including Local Government and NSW Government. This includes working with safety and workers compensation regulators.
Her leadership in WHS project management, certification in APMG Change Management, ICAM Lead Investigator, Lead Senior Auditor, Training and Assessment, as well as her hands-on collaborative approach in implementing safety management systems, make her one of the most sought after WHS professionals.​
Our Clients
Testimonials
Julia Checchia
Rest Super - Agile Portfolio Manager
"Collaborating with Megan Lumley on Rest Super's WHS remediation project was a highlight.
Megans ability to share knowledge, collaborate and support left a lasting impact. Her commitment to solving complex challenges played a crucial role in our projects success.
Kerrie Pryke
Northern Beaches Council - Executive Manager HR
"Megan's comprehensive approach to project management helped build robust WHS systems that are compliant, user-friendly and effective. She also managed our self-insurance license and lifted the council's tiering with the regulator, SIRA.
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Gary Bowyer
Holcim - Senior Safety Manager
"She seamlessly engaged with both workers and management, providing practical, well-considered safety solutions that enhanced our workplace environment.
Guided by
People & Purpose
