Longest trading · Updated October 2026
Professional firms in Blacktown
- Professional firms compared
- 412
- Google reviews
- 41,592
- Median rating
- 5.0
As of October 2026, the three longest-trading professional firms in Blacktown, NSW on Town Proven are R.O. Biala (started in 1972; 4.6 from 17 Google reviews), Breakaway Travel (started in 1975; 4.3 from 11 Google reviews) and Mark Vella Starr Partners (started in 1992; 5.0 from 26 Google reviews).
Professional firms in Blacktown: the top 22
- 1
R.O. Biala
from 17 Google reviews
Started: 1972
- 2
Breakaway Travel
from 11 Google reviews
Started: 1975
94 Main St, Sydney NSW 2148
- 3
Mark Vella Starr Partners
from 26 Google reviews
Started: 1992
79-81 Blacktown Rd, Sydney NSW 2148
- 4
Starr Partners Blacktown
from 935 Google reviews
Started: 1992
- 5
Finance and Mortgage Solutions Bella Vista
from 180 Google reviews
Started: 1997
- 6
Promise Services
from 669 Google reviews
Started: 2000
114 Main St, Sydney NSW 2148
- 7
Global Capital Commercial
from 12 Google reviews
Started: 2001
Governor Phillip Tower, 1 Farrer Pl
- 8
Trinity Accounting Practice®
from 124 Google reviews
Started: 2003
- 9
ECMMM Accounting & Taxation
from 17 Google reviews
Started: 2005
- 10
Asia Pacific Group (APG) - Migration Agent & Education Consultant in Blacktown
from 105 Google reviews
Started: 2009
447 Kent St, Sydney NSW 2000
- 11
Wealth Real Estate Agency
from 69 Google reviews
Started: 2009
46 Railway Rd, Sydney NSW 2148
- 12
Legal One Services
from 18 Google reviews
Started: 2010
- 13
The Mortgage Agency - Bella Vista
from 251 Google reviews
Started: 2011
- 14
JBP Law
from 43 Google reviews
Started: 2013
Suite 4, Level 5/100 George St
- 15
The Managed House Real Estate Agency
from 11 Google reviews
Started: 2013
- 16
KNS Accountants Business Advisors & Tax Agents
from 88 Google reviews
Started: 2014
- 17
SPREAD WINGS TRAVELS
from 74 Google reviews
Started: 2017
3 Burns Clos, Sydney NSW 2766
- 18
Dhaval Shah - Morfin Group
from 86 Google reviews
Started: 2018
Ste 2, Level 1/15 Portico Parade
- 19
Smartfinn Advisors
from 18 Google reviews
Started: 2018
- 20
A2Z Finance Australia known as Easy Mortgage Solutions Australia
from 22 Google reviews
Started: 2020
- 21
Ikuna Home Loans
from 140 Google reviews
Started: 2021
- 22
Zinger Finance
from 123 Google reviews
Started: 2023
Town Proven compared 412 professional firms in Blacktown, NSW, with 41,592 Google reviews between them. Of these, 22 meet this list's method. The median rating is 5.0 from a median of 30 reviews.
Of the professional firms compared, the most reviewed is Tax Refund On Spot, with 9,720 Google reviews at 4.6.
How this list is ranked
Businesses are ranked by the year they started, as their own website states it, earliest first. Only businesses rated 4.0 or better from at least 10 Google reviews are listed.
The year is the business's own statement and is not checked against a register, and age alone says nothing about quality.
Questions
- Which professional firms in Blacktown, NSW have been trading the longest?
- As of October 2026, the three longest-trading professional firms in Blacktown, NSW on Town Proven are R.O. Biala (started in 1972; 4.6 from 17 Google reviews), Breakaway Travel (started in 1975; 4.3 from 11 Google reviews) and Mark Vella Starr Partners (started in 1992; 5.0 from 26 Google reviews).
- How does Town Proven rank professional firms in Blacktown, NSW?
- Businesses are ranked by the year they started, as their own website states it, earliest first. Only businesses rated 4.0 or better from at least 10 Google reviews are listed. The year is the business's own statement and is not checked against a register, and age alone says nothing about quality.
- How many professional firms in Blacktown, NSW did Town Proven compare?
- Town Proven compared 412 professional firms in Blacktown, NSW, with 41,592 Google reviews between them. Of these, 22 meet this list's method. The median rating is 5.0 from a median of 30 reviews.
- Can a business pay to be listed or to rank higher?
- No. Every business is ranked by the same published method, and no business can pay to be listed or to move up.