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Guide 1 of 3 · The qualifications

The Certificate III and IV in Fitness

On training.gov.au, the Certificate III in Fitness (SIS30321) reflects the work of group and gym fitness instructors, and the Certificate IV in Fitness (SIS40221) reflects the work of personal trainers. The first has no entry requirements; the second is open to people who already hold a set of listed units, first aid among them.

General information from the two qualification documents on training.gov.au, as at October 2026, not advice about any course or provider. ASQA, the national regulator for vocational education and training, regulates the registered training organisations that deliver them.

The two, side by side

Each qualification has a short description at the top of its document. Read across, the difference is in who the client is and how much the trainer does alone.

What each qualification document says, in brief
In the documentCertificate III in FitnessCertificate IV in Fitness
The roleGroup and gym fitness instructors. Personal trainers, building individual programs for clients who are generally healthy and at low risk.
How the work runsIn predictable settings, under general supervision. On their own, in routine and unpredictable situations alike.
Where it leadsFitness instructing in places such as gyms, fitness facilities, and leisure and community centres. Personal training, employed or self-employed, in those places and also outdoors, online, and in clients’ homes and workplaces.
Who can startNone: the document lists no entry requirements. People who hold the units it lists, including HLTAID011 Provide First Aid.
What it replacedSIS30315, which it does not count as equivalent. SIS40215, which it does not count as equivalent.

The Certificate III: groups, and programs in the gym

The Certificate III describes instructors who may plan and lead group exercise sessions, and who may also write gym programs for individuals where the instruction is not highly personalised and the client is not closely monitored over time.

The work it pictures happens in predictable environments, with general supervision. When these instructors take a class or deal with a client, the document expects them to use discretion and judgement on routine problems, inside the policies and procedures their organisation has clearly set out.

It names the places this leads: fitness facilities, gyms, and leisure and community centres, where it is a pathway to work as a fitness instructor. Personal training is the Certificate IV’s description, not this one’s.

The Certificate IV: one client, one program

Personal trainers, in the Certificate IV’s words, develop, instruct and evaluate exercise programs built for one person, aimed at that person’s fitness goals. Its clients are people who are generally healthy and low risk. A client with higher health risks goes to a medical or allied health professional instead.

The trainer in this description works without supervision, using well-developed fitness skills and knowledge in situations that can be routine or unexpected. Communication runs both ways: with clients, and with health professionals, to improve the client’s fitness.

The document widens the workplace too. Beyond gyms, fitness facilities and leisure and community centres, it names clients’ workplaces and homes and outdoor locations, and it allows for work as an employee or as a self-employed trainer. Personal trainers may work with individuals or groups and may train people online, and in some jobs they lead or supervise a team.

Who can start each one

The Certificate III sets no entry requirements, so a course in it can be someone’s first step into fitness work.

The Certificate IV is different. Entry is open to people who already hold a listed set of units of competency, or the units that have since replaced them. That list includes HLTAID011 Provide First Aid (or whatever unit later supersedes it) and HLTWHS001 Participate in workplace health and safety. The full list sits in the qualification document, linked at the foot of this page.

So first aid comes into the Certificate IV at a set point: as a unit a person already holds when they start.

Electives follow the job

Both qualifications include electives, and both documents give the same rule for choosing electives: they must suit the job the student is aiming at, local industry requirements, and a complexity of skill suited to the qualification’s level in the AQF, the qualifications framework the documents refer to.

That gives a reader a fair question for any provider: which electives does this course include, and what kind of fitness work were they chosen for?

Licences, and the law around the work

Each document states that when it was published, no occupational licence, certification or specific legislative requirement applied to the qualification. The words “at the time of publication” are part of that statement, so it describes the documents as written, not every rule that might apply to a particular job.

The same documents say the skills must be used in line with industry codes of practice, Australian standards, and Commonwealth, state and territory laws.

ASQA puts the licence question to students before they enrol: “Does the course align with your career goals or allow you to apply for a license needed to work in that career?” It also lists licensing requirements, and any relevant industry regulator or state and territory requirement, among the things a provider must clearly tell you. The next guide follows that list.

Training children in Queensland

In Queensland, a blue card is needed to run personal training sessions for children, according to the state’s page on sport, active recreation, gyms and play facilities. Its page on private teaching, coaching and tutoring also lists “a personal trainer providing coaching to children” among the paid roles that need one.

On the gyms page, a business that provides services only to adults does not need a blue card. Queensland also exempts people who work or volunteer with children on no more than 7 days in a calendar year, with the days counted across all regulated child-related work and volunteering together, not separately for each organisation. That 7-day exemption does not apply to anyone who runs a business, takes part in an overnight camp or excursion, or is a restricted person.

These are Queensland’s rules only, as the Queensland Government’s pages set them out; each page is linked at the foot of this one.

The other guides

Back to Personal Trainer Courses