If you are looking at ISO certification for your business, you have probably come across both ISO 9001 and ISO 14001. One covers quality management; the other covers environmental management. Two different standards, two different sets of requirements but they are more compatible than most people realise.
The short answer to the question in the title: yes, you can pursue both at the same time. In fact, for many Australian businesses, doing so is the most cost-effective and strategically sound approach. This article explains why, and what it actually looks like in practice.
What Is ISO 9001 and What Is ISO 14001?
Before getting into how they fit together, it helps to understand what each standard actually requires.
ISO 9001:2015 — Quality Management Systems
ISO 9001 Certification is the world’s most widely adopted quality management standard. It provides a framework for ensuring your products and services consistently meet customer requirements and that quality processes are continually improving.
In Australia, ISO 9001 certification is a common requirement for government tenders, supply chain approvals, and procurement processes. Industries including construction, engineering, professional services, and manufacturing frequently require it.
The standard is built around seven quality management principles: customer focus, leadership, engagement of people, process approach, improvement, evidence-based decision making, and relationship management. Practically, this translates into documented procedures, defined responsibilities, internal audit programs, and management review processes.
ISO 14001:2015 — Environmental Management Systems
ISO 14001 Certification in Australia provides a framework for identifying, managing, and continually improving an organisation’s environmental performance. This includes how you handle waste, energy use, emissions, water, and your obligations under Australian environmental legislation.
The standard requires organisations to identify their significant environmental aspects like the activities, products, or services that interact with the environment and put controls in place to manage and reduce impact.
ISO 14001 is increasingly required in sectors with significant environmental footprints: resources, construction, manufacturing, utilities, and government contracting. In Western Australia and nationally, it frequently appears as a prequalification requirement for major project tenders.
ISO 9001 vs ISO 14001: Key Differences at a Glance
| ISO 9001:2015 | ISO 14001:2015 | |
| Focus | Quality management systems | Environmental management systems |
| Core goal | Consistent product/service quality and customer satisfaction | Reduce environmental impact, meet compliance obligations |
| AU context | Common requirement for government tenders and supply chains | Increasingly required in resources, construction and infrastructure sectors |
| Who benefits most | Any organisation delivering products or services | Organisations with significant environmental aspects (waste, emissions, energy) |
| Certification body | JAS-ANZ accredited CAB required in Australia | JAS-ANZ accredited CAB required in Australia |
| IMS compatible | Yes — shares structure with ISO 14001 and 45001 | Yes — shares structure with ISO 9001 and 45001 |
The Shared Structure: Why Both Standards Work Well Together
ISO 9001 and ISO 14001 both follow the High Level Structure (HLS) — a common framework adopted across ISO management system standards that includes identical clause numbering and shared terminology.
The High Level Structure means that ISO 9001, ISO 14001, and ISO 45001 (occupational health and safety) all share the same core clauses: Context of the Organisation (Clause 4), Leadership (Clause 5), Planning (Clause 6), Support (Clause 7), Operation (Clause 8), Performance Evaluation (Clause 9), and Improvement (Clause 10).
This alignment is deliberate. ISO designed it specifically so organisations could integrate multiple management systems without duplicating work. When you build your quality management system to ISO 9001, the structure, documented information requirements, and internal audit framework can all carry across to your ISO 14001 implementation.
In practical terms, this means your management review process covers both standards. Your internal audit schedule addresses both. Your document control system applies to both. Instead of running two separate systems, you run one Integrated Management System (IMS) that satisfies the requirements of each.
Can You Be Certified to Both at the Same Time?
Yes and this is where it becomes commercially interesting.
When a Conformity Assessment Body (CAB) accredited by JAS-ANZ conducts your certification audit, they can assess your management system against both ISO 9001 and ISO 14001 in a single combined audit. This is sometimes referred to as a joint audit or integrated audit.
The result is two separate certificates — one for ISO 9001, one for ISO 14001 — issued following the same audit process.
What This Looks Like in Practice
The implementation and certification process for a combined approach typically follows this sequence:
Gap analysis — assess your current processes against the requirements of both standards simultaneously, identifying overlaps and unique requirements for each.
System development — build your IMS documentation to satisfy shared clauses once, with standard-specific sections addressing the unique requirements of ISO 9001 (e.g., customer satisfaction monitoring, product/service conformity controls) and ISO 14001 (e.g., environmental aspects register, compliance obligations register).
Internal audit — run a single internal audit program that addresses both standards, with audit criteria covering quality and environmental requirements.
Management review — conduct a combined management review that evaluates performance data from both systems, as required under Clause 9.3 of each standard.
Stage 1 and Stage 2 audit — the certification body reviews your system documentation (Stage 1), then conducts the on-site audit across both standards (Stage 2). This is typically done in a single visit.
Certification — upon successful completion, you receive certificates for both ISO 9001 and ISO 14001, each with their own three-year cycle of annual surveillance audits.
Why a Combined Approach Makes Commercial Sense
There are three strong reasons to pursue both standards simultaneously rather than sequentially.
1. Reduced cost and time
Running a single gap analysis, a single implementation project, and a single certification audit is significantly more efficient than repeating the process for a second standard after the first is complete. The shared structure of both standards means the overlap in documentation, procedures, and audit preparation is substantial.
Certification bodies typically charge less for a combined audit than for two separate audits. Ongoing surveillance audit costs are also reduced when both standards are audited together.
2. A single integrated system is easier to maintain
Management systems that are built separately and then bolted together tend to create duplication, inconsistency, and administrative burden. When you build one IMS from the start — with quality and environmental objectives integrated into the same planning process, the same performance evaluation framework, and the same management review — maintenance is simpler and compliance is more robust.
3. Stronger tender positioning
In many Australian industry sectors, dual ISO 9001 and ISO 14001 certification has moved from a differentiator to a baseline expectation — particularly in government contracting, mining and resources supply chains, and large infrastructure projects. Holding both certificates from the outset positions your business more competitively across a wider range of tendering opportunities.
For organisations operating in Western Australia’s resources and construction sectors, ISO 14001 alongside ISO 9001 is increasingly expected rather than optional. Prequalification schemes for state government and major project operators frequently list both as requirements.
When It Might Be Better to Stagger the Standards
The combined approach works best when your organisation has the bandwidth to implement both systems simultaneously. There are circumstances where it makes sense to certify to ISO 9001 first and add ISO 14001 later:
Your business is small and the simultaneous scope of both standards would stretch internal resources too thin during implementation.
You have an immediate tender deadline that requires ISO 9001 specifically, and ISO 14001 is not yet required for your target markets.
Your environmental aspects are currently limited, and the business case for ISO 14001 is not yet strong enough to justify the investment alongside ISO 9001.
In these cases, the shared HLS structure still works in your favour — your ISO 9001 system is already built to be extended. When the time comes to add ISO 14001, you’re expanding an existing framework rather than starting from scratch.
What About Adding ISO 45001 as Well?
ISO 45001 covers occupational health and safety management systems and follows the same High Level Structure as ISO 9001 and ISO 14001. Many Australian businesses — particularly those in construction, engineering, and industrial sectors — hold all three certifications within a single IMS.
The logic is identical: one audit, one integrated system, three certificates. The QHSE (Quality, Health, Safety and Environment) framework is well established in Australian industry and is the standard expectation for many enterprise supplier panels.
If safety management is already a significant part of how your organisation operates — and for most businesses in physical industry sectors, it is — adding ISO 45001 alongside ISO 9001 and ISO 14001 from the beginning is worth serious consideration.
Practical Considerations for Australian Businesses
Choosing a certification body
In Australia, your certification body must be accredited by JAS-ANZ (the Joint Accreditation System of Australia and New Zealand) for your certificates to be internationally recognised. Check the JAS-ANZ register before engaging a certification body, particularly if your certificates will be used to support export contracts or international supply chains.
Scope of certification
Both standards require you to define the scope of your management system — the boundaries within which it applies. This is particularly important for ISO 14001, where your environmental aspects will vary depending on the activities and locations included in scope. For ISO 9001, scope typically aligns with the products and services you deliver. Getting scope right from the start avoids costly amendments during audit.
Environmental aspects and legal compliance
ISO 14001 requires your organisation to identify environmental aspects and determine which are significant — an assessment that considers the nature and scale of your activities and their potential impact. It also requires you to identify and maintain a register of applicable compliance obligations: Australian and state environmental legislation, licences, permits, and other requirements relevant to your operations.
This is one area where ISO 14001 differs substantively from ISO 9001 in terms of what you need to develop. Getting your aspects register and compliance obligations register right is critical to a successful Stage 1 audit.
For Australian businesses in sectors where both quality and environmental credentials are expected, getting both certifications right and integrating them properly is an investment that pays off in tender success, operational efficiency, and reduced ongoing maintenance costs.


