Accountants in Castle Hill, New South Wales

45 registered accountants have a business address in Castle Hill (2154), in the The Hills Shire council area. All are registered practitioners you can verify by registration number on the TPB register. Looking for accounting services in Castle Hill? Every practitioner below is a registered tax agent.

accountants

2154

Postcode

The Hills Shire

Council area

Accounting services in Castle Hill

Registered 58391003
A F Wallis & Co Pty Ltd Tax agent since 1997
Registered 72430015
Ashby & Co Tax agent since 2005
Registered 25219926
Abbey Partners Tax agent since 2015
Registered 25972144
ABDERA PTY LTD Tax agent since 2019
Registered 09666009
Accounting & Taxation Hub Tax agent since 2011
Registered 25829002
AHST Business Services Pty Ltd Tax agent since 2012
Registered 78441001
Alpha Consulting Group (Sydney) Pty Ltd Tax agent since 2008
Registered 26368479
ATHENA ACCOUNTING & ADVISORY SERVICES PTY LTD Tax agent since 2026
Registered 26118348
Aum Tax And Accounting Services Pty Ltd Tax agent since 2021
Registered 26107208
AY CA Professional Tax agent since 2021
Registered 25924422
AY Tax Professional Tax agent since 2018
Registered 26320834
BEYONDWISE PROFESSIONAL PTY LTD Tax agent since 2025
Registered 26129425
BLUE-CHIP CAPITAL & ASSOCIATES PTY LTD Tax agent since 2021
Registered 26335250
BOOKTACTICS PTY LTD Tax agent since 2025
Registered 26334999
CLEARSTONE GROUP PTY LTD Tax agent since 2025
Registered 26259264
CLEARSTONE TAXATION SERVICES PTY LTD Tax agent since 2024
Registered 26053353
DEBBIE M LOWE PTY LTD Tax agent since 2020
Registered 06197003
DUSELIS & CO PTY LTD Tax agent since 2011
Registered 26279671
ERY Melrose Tax agent since 2024
Registered 78741015
Georges Alexander Tax agent since 2009
Registered 64874004
Glanville Associates Pty Ltd Tax agent since 1998
Registered 26253742
HOPKAN IP SERVICES PTY LTD Tax agent since 2024
Registered 26163208
KACE TAX & BUSINESS ADVISORY PTY LTD Tax agent since 2022
Registered 24670397
KBM Accountants Pty Ltd Tax agent since 2013
Registered 24743260
L. Jack & Associates Pty Limited Tax agent since 2014
Registered 25208778
Glorious Accounting Tax agent since 2015
Registered 24856103
Ideal Business Consultants Tax agent since 2014
Registered 25753232
Malhotra and Associates Pty Ltd Tax agent since 2017
Registered 26294619
Next-Gen Tax Pty Ltd Tax agent since 2025
Registered 26343591
NEXUS ACCOUNTING & ADVISORY PTY LTD Tax agent since 2026
Registered 26181012
ONE PLUS & CO PTY LTD Tax agent since 2022
Registered 26223785
ONE PLUS AUS PTY LTD Tax agent since 2023
Registered 25258370
One Solutions Accounting and Tax Services Pty Ltd Tax agent since 2015
Registered 72982004
V A Duselis & Co Tax agent since 2006
Registered 33200002
Pickering Mckee Pty Ltd Tax agent since 1978
Registered 08071004
Q & A Tax Consultants Pty Ltd Tax agent since 2011
Registered 25780781
Quadpath Pty Ltd Tax agent since 2018
Registered 36758015
S H & K M Murphy Tax agent since 1985
Registered 25989305
SIDD & GUNN PTY LTD Tax agent since 2019
Registered 55712002
V A Zaiter Pty Ltd Tax agent since 2010
Registered 26335594
WEALTHWISE GROUP PTY LTD Tax agent since 2025
Registered 26353674
Wensca Pty Ltd Tax agent since 2026
Registered 26078829
WETAX PTY LTD Tax agent since 2020
Registered 28582006
Wise Owl Taxation & Business Services Pty Ltd Tax agent since 2012
Registered 25591771
Ying Xin Pty Ltd Tax agent since 2017

Business demand in Castle Hill

Castle Hill (postcode 2154) has 17,058 active ABNs, 7,571 of them registered for GST and required to lodge activity statements. That works out to roughly one tax agent for every 168 GST-registered businesses based here.

Of those, 36% are sole traders, 36% companies, and 13% trusts or partnerships.

2,147 new ABNs were registered in 2154 in the 12 months to July 2026, and new businesses are the most common searchers for a first tax agent.

17,058

Active ABNs

7,571

Registered for GST

2,147

New in last 12m

168

GST-registered per tax agent

Business counts derived from the Australian Business Register ABN Bulk Extract (data.gov.au, CC BY), as at July 2026. Practitioner data from the Tax Practitioners Board register.

Accountants in nearby suburbs

Norwest (100)West Pennant Hills (6)Cherrybrook (8)Bella Vista (83)Baulkham Hills (30)Winston Hills (4)

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What does a registered tax agent do?

In Australia, anyone who provides tax agent services for a fee (preparing or lodging income tax returns, giving tax advice, or dealing with the ATO on your behalf) must be registered as a tax agent with the Tax Practitioners Board. Most accountants in public practice hold tax agent registration. Registration means they meet qualification, experience and professional-conduct requirements, and carry professional indemnity insurance.

Frequently asked questions

How many accountants are in Castle Hill?

The Tax Practitioners Board register lists 45 registered accountants with a business address in Castle Hill, New South Wales 2154.

What can a registered tax agent in Castle Hill do?

A registered tax agent can prepare and lodge income tax returns, provide tax advice, and represent you in dealings with the ATO. Registration is mandatory to provide these services for a fee in Australia.

How do I check an accountant is registered?

Every practitioner listed here appears on the public TPB register with a registration number. You can confirm any registration at tpb.gov.au before engaging them.

Are these accountants and accounting firms in Castle Hill?

Yes. The 45 registered accountants listed above are accountants, tax agents and accounting firms with a registered business address in Castle Hill, New South Wales 2154. All can provide tax and accounting services for a fee.

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.

We list practices only. This directory covers the 19,219 accounting and bookkeeping practices on the register: firms, partnerships and companies. Sole practitioners who hold their registration personally are not listed. If you are looking for an individual tax agent or BAS agent, search the TPB register directly, which lists every registered practitioner in Australia.

The listings are a snapshot 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.

Listed here and something is wrong, out of date, or you would rather not appear? Tell us and we will correct or remove it.