Jacob Dennis James Sliwka
- Licence
- 15326111
- Type
- Individual
- Based in
- Avenell Heights QLD 4670
On the QBCC register
According to QBCC’s data published 6 Nov 2026.
Holds a contractor licence, so can sign a contract with you directly.
No suspensions or cancellations recorded since 1 July 2026.
QBCC’s record for licence 15326111
What this licence covers
Concreting
Trade Contractor Licence
Can contract for this work
Financial category: Self Certification - Trade. QBCC uses financial categories to set the most a licensee can turn over each year. What the categories mean
Licence record
-
6 Nov 2026
Checked: on the register
Concreting listed.
-
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 Jacob Dennis James Sliwka
Is Jacob Dennis James Sliwka licensed with QBCC?
Yes. Jacob Dennis James Sliwka holds QBCC licence 15326111, and it was on QBCC’s register published 6 Nov 2026. Check QBCC’s own record for licence 15326111 to confirm today’s status before you sign or pay a deposit.
What work is Jacob Dennis James Sliwka licensed to do?
Jacob Dennis James Sliwka holds one licence class: Concreting. Concreting: For concreters. It covers concrete work, including the formwork and steel reinforcement. Check that the class matches your job. Work outside these classes needs another licensed contractor.
Source: QBCC: Concreting licence
Can I sign a contract with Jacob Dennis James Sliwka directly?
Yes. Jacob Dennis James Sliwka holds a contractor licence, so you can sign a contract with them directly. The name on your quote and contract should be Jacob Dennis James Sliwka, the licence holder, with ABN 11 378 210 680.
Has Jacob Dennis James Sliwka had a QBCC suspension or cancellation?
None recorded since 1 July 2026. We check QBCC’s suspension and cancellation files every day, and licence 15326111 hasn’t appeared in them since our record began.
Where is Jacob Dennis James Sliwka based?
QBCC’s register lists Jacob Dennis James Sliwka in Avenell Heights QLD 4670. A QBCC licence covers work anywhere in Queensland, so they can take on jobs outside Avenell Heights.
What is Jacob Dennis James Sliwka’s QBCC financial category?
QBCC lists Jacob Dennis James Sliwka in the financial category “Self Certification - Trade”. QBCC uses the category to set the most a licensee can turn over each year. A very large job from a contractor in a small category is worth a question.