A trusted, independent and innovative specialist air quality, environmental and sustainability practice

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Air Quality

Sustainability

Environment

Environmental Accounting 

Air Quality

Sustainability

Environment

Environmental Accounting 

2 Weeks

6 Online Lessons

Certificate of Completion

NPI reports for the 2024-2025 financial year reporting period are due on 30 September 2025.

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About Us

Northstar is a trusted, independent and innovative specialist air quality, environmental and sustainability practice

Meet the team
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Our Services

Air Quality

Northstar specialises in all aspects of air quality, dust and odour management, covering monitoring, modelling and assessment, due diligence and process specification, licencing and regulatory advice, peer review and expert witness.

Sustainability

We look beyond compliance to add value and identify opportunities. Our services
range from sustainability strategies, ecologically sustainable development
reporting and assessment, to bespoke greenhouse gas and energy inventories.

Environment

Our team has extensive experience in environmental management, covering auditing and independent expert review, environmental management plans, data and spatial analysis.

Environmental Accounting

Providing services that help other organisations measure, manage, and reduce their environmental impact while improving financial efficiency and compliance.

 

Company Values

Enhancing Our Shared Environment

We actively advocate sustainable environmental practice to promote better outcomes.

Valuing People

We operate respectfully and with integrity with our colleagues, clients and all members of society.

Client Focussed

We engage with our clients on a responsive, open and collaborative basis.

Principled Actions

We act with integrity and hold ourselves to account for our actions and conduct.

Value Proposition

Clients – who need to manage environmental impacts and risks
Proof – We lead by excellence through a high client retention and repeat business model
Services – Air quality, Environment, Sustainability, Greenhouse gas, Environmental risk, Data analysis, Research
Difference – Niche service provider, providing timely, courteous and responsive support
Values – We offer independent, pragmatic and specialist advice
Benefits – A reliable and trusted advisor to support your business through the project life cycle

Meet our Experienced team

Gary Graham

Gary Graham
(CAQP)

Director / Founder

Gary is a Director with Northstar and has 30+ years’ experience in environmental management and assessment with a specialism in air quality sciences

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Martin Doyle

Martin Doyle
(CAQP)

Director / Founder

Martin has over 25 years of experience in the field of air quality, from academic research to public and private environmental consultancy. 

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Varun Marwaha

Varun Marwaha
(CAQP)

Principal Consultant

With over 15 years’ experience, Varun provides expert assessment and auditing of air discharges, emissions, modelling, and monitoring.

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Declan Alder

Declan Alder
(CAQP)

Principal Consultant

Declan is a Principal Consultant with Northstar and an environmental practitioner with over 16 years of experience in air quality impact assessment.

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Nick Phillips-Glyde

Nick Phillips-Glyde

Senior Consultant

Nick is a Senior Consultant with Northstar and has over five years experience providing air quality advice. 

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Sophie Saunders

Sophie Saunders

Consultant

Sophie is an Environmental Consultant experienced in air quality projects across multiple sectors.

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Bryn Davies

Bryn Davies

Graduate Consultant

Bryn is a climate science graduate with expertise in geography and environmental systems.

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Tamsin Dodsworth

Tamsin Dodsworth

Graduate Consultant

Tamsin is a part-time Graduate Consultant, whilst she is completing her Master of Sustainability degree.

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What our valued clients think of our work

We find the collaborative approach and technical excellence that Northstar bring provides deeper value to program studies and their team are a true project “partner”. We have appreciated their input and support which endures over long term programs
Aurecon
Colm Molloy
Principal, Environment and Planning, Aurecon
Bingo would recommend Northstar as a professional, reliable and responsive business partner”
Bingo Industries
Brad Searle
Environment, Approvals and Regulatory Compliance Manager, Bingo Industries
Northstar have become an important partner for RW Corkery & Co in completing air quality assessments for complex mining and quarrying projects. Northstar have consistently provided high quality, cost effective and pragmatic assessments and advice for us and our Clients over many years.
Mitchell Bland
Principal / Managing Director, RW Corkery & Co
Working with Northstar has made our experience on major projects seamless when it comes to understanding and interpreting air quality impact assessments. No matter the type of project, the complex is made simple and they always cut through to get the very best outcome.
Andrew Cowan
Director, Willowtree Planning
We found Northstar to be highly knowledgeable in the specialised field of odour impacts in relation to a Planning Proposal we were preparing in the Shellharbour LGA. In addition, they applied themselves well including facilitating meetings with ourselves as well as external government agencies.
Gyde Consulting
Carlo Di Giulio
Associate Director, Gyde Consulting
“Northstar were extremely competent in dealing with our challenging environmental proposal. They delivered clear, concise reports in the expected time frames.”
Dean Payne
Director, Urban Recycling Solutions
“LCI recently appointed Northstar for Air Quality Impact Assessment services and have had a great experience from start to finish. Very comprehensive analysis and a practical approach to finding solutions.”
Gary Lyle
Principal, LCI Consultants
“I had excellent results when working with Northstar professional staff on complex air emission matters. Northstar’s wide and professional experience in air emission management at waste management facilities was clearly evident in their excellent reports. We have managed to secure a great outcome with the State Authorities by using Northstar’s professional input and advice on dust management.”
Nicolas Israel
Director, NICS
“The Northstar team have assisted us with various air quality impact investigations for local, regional and state significant developments. Their work is market-leading and has helped us secure planning approvals for many industrial development projects”
Dr Mark Jackson
Director, Jackson Environment and Planning

A selection of our valued clients valued clients

Aurecon
Bingo Industries

Here to answer your questions

Get in touch!

We place great importance on providing you with a professional service, which is on budget, on time and fit for purpose.

Main office: Suite 1504, 275 Alfred St, North Sydney, NSW

Riverina Office: PO Box 483, Albury NSW 2640

1300 708 590

admin@northstar-env.com

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