Check the Tradie

Jacobus Johannes Muller

Licence
15400279
Type
Individual
Based in
Woolloongabba QLD 4102

On the QBCC register

According to QBCC’s data published 6 Nov 2026.

Holds a supervisor or occupational licence only, so can’t sign a contract with you directly. They work for a licensed contractor.

No suspensions or cancellations recorded since 1 July 2026.

See this licence on QBCC

QBCC’s record for licence 15400279

What this licence covers

Hydraulic Services Design

Nominee Supervisor

Supervisor or occupational licence, can’t contract with you directly

Licence record

  1. 6 Nov 2026

    Checked: on the register

    Hydraulic Services Design listed.

  2. 1 July 2026

    Start of this record

    QBCC’s lists of suspensions and cancellations start each financial year. We keep a daily copy, so this record grows over time.

Questions about Jacobus Johannes Muller

Is Jacobus Johannes Muller licensed with QBCC?

Yes. Jacobus Johannes Muller holds QBCC licence 15400279, and it was on QBCC’s register published 6 Nov 2026. Check QBCC’s own record for licence 15400279 to confirm today’s status before you sign or pay a deposit.

Source: Licence 15400279 on QBCC’s register

What work is Jacobus Johannes Muller licensed to do?

Jacobus Johannes Muller holds one licence class: Hydraulic Services Design. Hydraulic Services Design: For designers of a building's plumbing, drainage and gas systems. Check that the class matches your job. Work outside these classes needs another licensed contractor.

Source: QBCC: Hydraulic Services Design licence

Can I sign a contract with Jacobus Johannes Muller directly?

No. Jacobus Johannes Muller holds a supervisor or occupational licence only. They can carry out or supervise work for a licensed contractor, but you can’t sign a contract with them directly.

Has Jacobus Johannes Muller had a QBCC suspension or cancellation?

None recorded since 1 July 2026. We check QBCC’s suspension and cancellation files every day, and licence 15400279 hasn’t appeared in them since our record began.

Where is Jacobus Johannes Muller based?

QBCC’s register lists Jacobus Johannes Muller in Woolloongabba QLD 4102. A QBCC licence covers work anywhere in Queensland, so they can take on jobs outside Woolloongabba.