Staying Power

Longest trading · Updated October 2026

Adelaide professionals, longest trading

As of October 2026, the three longest-trading professionals in Adelaide, SA on Staying Power are O'Halloran Conveyancing (started in 1973; 5.0 from 35 Google reviews), Magain Real Estate Stepney (started in 1975; 4.7 from 769 Google reviews) and Booth Real Estate (started in 1977; 4.5 from 31 Google reviews).

Professionals compared
539
Google reviews
22,508
Median rating
4.9
Adelaide professionals, longest trading: the top 33
#BusinessRatingGoogle reviewsStartedContact
1O'Halloran ConveyancingSte 2, 1/5 Wakefield St5.035 Google reviews1973

08 8212 4034ohalloran.com.au

2Magain Real Estate Stepney4.7769 Google reviews1975

08 8212 5899magain.com.au

3Booth Real Estate325 Wakefield St, Adelaide SA 50004.531 Google reviews1977

08 8236 5555boothrealestate.com.au

4Cornerstone Conveyancing4 Mann Street, Mount Barker SA 52514.9119 Google reviews1979

08 8468 0655cornerstonesa.com.au

5Wadlow Solicitors33 Pirie St, Adelaide SA 50004.760 Google reviews1979

08 8212 2955wadlow.com.au

6PBS Accountants & Advisers Pty LtdMarion SA4.910 Google reviews1980

08 8351 0510pbsaccountants.com

7PMN Personal Injury Lawyers Adelaide4.794 Google reviews1982

pmnlawyers.com.au

8Martin Real Estate1 O'Connell St, Adelaide SA 50064.223 Google reviews1984

08 8361 7111martinrealestate.com.au

9TOOP+TOOP | Luxury Real Estate Adelaide4.486 Google reviews1985

08 8362 8888toop.com.au

10Baker Young Limited4.115 Google reviews1985

08 8236 8888bakeryoung.com.au

11Marshall SA Real Estate314 Portrush Rd4.020 Google reviews1985

0419 888 808marshallsa.com.au

12Adelaide Tuition Centre & Essentials Education4.510 Google reviews1986

08 7134 2820adelaidetuition.com.au

13Quantum Accounting452 Pulteney St, Adelaide SA 50004.817 Google reviews1988

08 8272 7099quantacc.com.au

14TBM Accountants Pty Ltd138 South Tce, Adelaide SA 50004.712 Google reviews1988

08 7231 6050tbmaccountants.com.au

15Trevor White Conveyancers208 Carrington St, Adelaide SA 50005.013 Google reviews1991

08 8227 1105trevorwhiteconveyancers.com.au

16Alexander Botten & Associates162 Flinders St, Adelaide SA 50005.026 Google reviews1993

08 8232 0677bottenconveyancing.com.au

17Smart Conveyancing162 Flinders St, Adelaide SA 50004.944 Google reviews1993

08 7123 6330smartconveyancingco.com.au

18AUG Student Services - Adelaide64 Grote Street, Adelaide SA 50005.0571 Google reviews1995

08 8231 1228augstudy.com

19Tashly Consulting Xero Bookkeepers AdelaideTHE Terrace Family, 70 Walkerville Ter, Adelaide SA 50815.017 Google reviews2000

08 8121 4424tashlyconsulting.com

20ADLV Law, AdelaideLevel 21/91 King William St, Adelaide SA 50005.022 Google reviews2001

+61 1300 654 590adlvlaw.com.au

21Austbrokers Terrace187A Henley Beach Rd, Adelaide SA 50314.210 Google reviews2005

abterrace.com.au

22Mangan Ey & Associates4.768 Google reviews2007

0418 815 281manganey.com.au

23ASA LawyersLevel 21/25 Grenfell St, Adelaide SA 50004.9109 Google reviews2008

08 8423 4492asalawyers.com

24GTC Lawyers4.912 Google reviews2010

gotocourt.com.au

25Integral Bookkeeping Solutions - Adelaide Xero Bookkeepers322 Glen Osmond Rd, Myrtle Bank SA 50645.045 Google reviews2012

integralbookkeepingsolutions.com.au

26BTD Lawyers78 Angas St, Adelaide SA 50004.965 Google reviews2012

08 8227 0577btdlawyers.au

27Clark Panagakos Family Law4.9119 Google reviews2014

08 8151 3919clarkpanagakos.com.au

28Festival Bookkeeping41 Barnes Road, Glynde SA 50705.030 Google reviews2015

08 8362 3488festivalbookkeeping.com.au

29Eastern Conveyancing Pty Ltd25 Lower, Portrush Rd4.932 Google reviews2016

08 7226 8033easternconvey.com.au

30Camatta Lawyers4.132 Google reviews2018

clelandslawyers.com.au

31Integral Accounting Services266-268 Payneham Rd, Adelaide SA 50704.967 Google reviews2020

08 7009 4567integralaccounting.com.au

32Maison Realty10a Louis St, Adelaide SA 50695.021 Google reviews2021

0434 581 775maisonrealty.com.au

33Terese Wacyk Legal5.024 Google reviews2022

08 7077 3050twlegal.net.au

Staying Power compared 539 professionals in Adelaide, SA, with 22,508 Google reviews between them. Of these, 33 meet this list's method. The median rating is 4.9 from a median of 15 reviews.

Of the professionals compared, the most reviewed is Magain Real Estate Stepney, with 769 Google reviews at 4.7.

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.

The whole method and its rules

Questions

Which professionals in Adelaide, SA have been trading the longest?
As of October 2026, the three longest-trading professionals in Adelaide, SA on Staying Power are O'Halloran Conveyancing (started in 1973; 5.0 from 35 Google reviews), Magain Real Estate Stepney (started in 1975; 4.7 from 769 Google reviews) and Booth Real Estate (started in 1977; 4.5 from 31 Google reviews).
How does Staying Power rank professionals in Adelaide, SA?
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 professionals in Adelaide, SA did Staying Power compare?
Staying Power compared 539 professionals in Adelaide, SA, with 22,508 Google reviews between them. Of these, 33 meet this list's method. The median rating is 4.9 from a median of 15 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.

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