earlier business 1837 1892 with the same title see bank of south australia 1837 . bank of south australia type subsidiary of westpac industry finance and insurance founded 11 march 1848 as the savings bank of south australia 1 headquarters adelaide south australia number of locations 100 area served south australia & northern territory products personal banking business banking and insurance website www.banksa.com.au the bank of south australia known commercially as banksa is the largest financial institution in south australia and the state s largest home lender . 2 contents 1 history 2 see also 3 references 4 external links history edit the forerunners of banksa were the savings bank of south australia founded in 1848 and the state bank of south australia . these were merged under the name state bank of south australia in 1984 . banksa is now a division of westpac banking corporation having been a division of st. george bank before westpac and st. george merged in 2008 . the state bank of south australia was sold to advance bank due to a collapse and bailout by the government of south australia in 1992 when non performing assets exceeded 30 % of the loan book . advance bank was purchased by st. george in 1997 . banksa has over 100 branches in south australia and the northern territory . see also edit there are a number of building societies and banks with intertwining histories . these include st.george bank st.george co operative building society ltd. st.george building society cronulla & district co operative building society st.george and cronulla building society advance bank nsw permanent building & investment society nsw permanent building society banksa bank of south australia savings bank of south australia state bank of south australia westpac banking corporation too many to mention those of major relevance to st.george advance bank banksa resi statewide building society bank of melbourne 1989 bank of melbourne 2011 references edit banksa history banksa cuts by 38 points westpac by 37 but anz still to decide adelaide now external links edit official site v t e westpac banking corporation brands westpac st.george bank banksa bank of melbourne bt financial group rams asgard advance asset management magnitude securitor ascalon hastings funds management xylo westpac pacific banking westpac asia westpac new zealand notable people gail kelly ted evans rob chapman this bank and insurance related article is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title bank of south australia & oldid 738386629 categories banks of australia1848 establishments in australiabanks established in 1848bank stubshidden categories use dmy dates from july 2012use australian english from july 2012all wikipedia articles written in australian englishall stub articles navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 8 september 2016 at 17 18 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view