Bookkeepers in Onkaparinga, South Australia
100 registered bookkeepers have a business address across 30 suburbs in Onkaparinga, South Australia. Choose a suburb below to find a bookkeeper or bookkeeping services near you.
Suburbs in Onkaparinga
Other areas in Onkaparinga
Smaller suburbs with one or two listed bookkeepers.
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Automate your AP with PulsifyThe business landscape in Onkaparinga
Onkaparinga is home to 10,428 actively trading businesses (ABS, June 2025). 6,743 are non-employing sole traders and 3,685 employ staff. That works out to roughly one BAS agent for every 104 businesses across the 100 BAS agents listed here.
By sector, Onkaparinga has 2,760 in construction, 651 in manufacturing, 566 in transport & warehousing. These are the businesses that carry the most accounts payable volume: subcontractor invoices, supplier bills and progress claims that a BAS agent or bookkeeping system has to code, match and reconcile every week.
Business counts: ABS Counts of Australian Businesses (CABEE), Regional Statistics by LGA 2025. Practitioner counts: Tax Practitioners Board public register.
What does a registered BAS agent do?
In Australia, anyone who provides BAS services for a fee (preparing or lodging activity statements, managing GST, PAYG or superannuation obligations) must be registered as a BAS agent with the Tax Practitioners Board. Many bookkeepers hold BAS agent registration so they can lodge on your behalf. Registration means they meet qualification, experience and professional-conduct requirements, and carry professional indemnity insurance.
Where this data comes from
Every listing in this directory is sourced directly from the Tax Practitioners Board public register, the Australian Government register of registered tax agents and BAS agents. We publish it under the register's CC BY 4.0 licence. We do not add, edit or sell practitioner details.
This is a snapshot of 62,555 practitioners, current as at 1 July 2026. Registrations change daily, and the Tax Practitioners Board register is the authoritative source. Confirm any practitioner's registration on the TPB register before engaging them.
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