ING Bank Śląski
Corporate brand
UnclaimedA Polish universal bank providing retail, corporate and institutional financial services under the ING brand.
Last updated August 31, 2026
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Overview
ING Bank Śląski, commonly abbreviated as ING BSK, is a Polish universal bank headquartered in Katowice. It serves individual customers, entrepreneurs, companies, institutions and affluent clients through a combination of digital banking, branches, business platforms and specialist subsidiaries. Its principal activities include current and savings accounts, consumer finance, mortgages, payments, investment products, leasing, factoring, corporate lending, cash management and capital-markets-related services. The institution was created during the restructuring of Poland's banking system at the end of the 1980s. Bank Śląski began operations on 1 February 1989 after being separated from the National Bank of Poland, one of several newly independent commercial banks established as Poland moved away from a centrally planned, single-tier banking model. It was initially associated with the Silesian region but later developed into a nationwide institution. Bank Śląski was converted into a joint-stock company in 1991 and became one of the early Polish banks selected for privatization. ING Bank N.V. acquired a minority stake in 1994, when the bank was listed on the Warsaw Stock Exchange. ING increased its holding in 1996, becoming the majority shareholder. The privatization and initial share offering attracted substantial public controversy because the first-session market price was dramatically higher than the offer price and because regulators and public bodies questioned the quality of supervision and disclosure. Investigations, parliamentary reviews, regulatory actions and civil proceedings followed, although the criminal proceedings did not lead to convictions. The bank adopted its present ING Bank Śląski identity in 2001 after combining with ING's Polish branch. The transaction broadened its geographic reach, increased its capital base and supported a shift from a regional Silesian bank toward a national financial-services provider. ING has remained the controlling shareholder, while the Polish bank has retained a separate Warsaw Stock Exchange listing. ING Bank Śląski has expanded beyond conventional branch banking through subsidiaries and affiliated businesses. These include leasing, factoring, mortgage banking, investment and asset-management activities, online business services, accounting tools, payment services and robotic-process-automation solutions. It was also one of the founding shareholder banks of the Polish Payment Standard consortium, whose BLIK mobile-payment system became a major payment method in Poland. The brand is positioned around accessible, technology-led banking supported by the international ING network. Its Moje ING digital environment is central to customer relationships, while the bank also operates physical branches and specialist channels for corporate and affluent customers. In addition to personal banking, it serves small and medium-sized enterprises, large corporates and institutions with lending, liquidity management, trade-related services, leasing, factoring and digital tools. The bank remains active in Poland and is one of the country's largest banks by assets, loans, deposits and customer reach, although the exact ranking varies by period and measure.
History
Bank Śląski was legally established by a Polish Council of Ministers regulation dated 11 April 1988 and began operations on 1 February 1989. It was one of nine commercial banks separated from the National Bank of Poland during the late-1980s transformation of the Polish banking system. The reform divided central-bank and commercial-bank functions and created institutions that could operate in the emerging market economy. Bank Śląski was among the larger banks created in this process and was selected early for privatization. In October 1991, the institution was transformed from a state bank into a joint-stock company wholly owned by the State Treasury. The government began the privatization process in January 1994 by selling a minority stake to ING Bank N.V. The bank's shares were also introduced on the Warsaw Stock Exchange that month. The flotation became one of the most controversial early privatizations in post-communist Poland. The initial market price greatly exceeded the offer price, while the large number of public subscriptions resulted in severe reductions in individual allocations. Questions were raised about the conduct of the offering, brokerage activity, internal controls, disclosure and the role of government officials. The Securities Commission investigated the bank's brokerage operations, temporarily withdrew its brokerage authorization and later restored it with restrictions. It also imposed fines connected with reporting and oversight. The controversy contributed to the dismissal of president Marian Rajczyk and political changes involving officials responsible for the privatization. The Supreme Audit Office, parliamentary bodies and prosecutors examined different aspects of the transaction. Parliamentary reviews rejected several allegations, and criminal proceedings did not produce convictions, although civil claims connected with the episode resulted in judgments against the bank. The affair remained an important example of the difficulties surrounding Poland's early capital-market privatizations. ING expanded its stake in 1996 through transactions with the State Treasury. Its holding rose to a majority, making ING Bank Śląski one of the first major Polish banks to complete privatization with a foreign strategic investor. The new ownership supported investment in technology, products and geographic expansion. In 2000, the bank established a specialist mortgage institution, Śląski Bank Hipoteczny, and in 2001 it combined with ING's Polish branch. The enlarged entity adopted the ING Bank Śląski name and pursued a transition from a predominantly regional bank to a nationwide universal bank. During the early 2000s, the bank expanded its branch and ATM network and increased its individual-customer base. ING reduced its direct holding in 2005 by selling shares on the Warsaw Stock Exchange, while remaining the controlling shareholder. That year the bank also assumed administration of Wielkopolski Bank Rolniczy because of the institution's weak financial condition and subsequently absorbed it. ING introduced an instant-access savings account, helping reinforce its retail proposition. The bank continued to build a broader financial-services group. Its mortgage operations were reorganized several times: Śląski Bank Hipoteczny became ING Bank Hipoteczny in 2008, was absorbed into ING Bank Śląski in 2013, and a new mortgage-bank entity began operating in 2019. Leasing and factoring businesses became part of the bank's capital group, while ING Usługi dla Biznesu developed digital services such as the Aleo trading and tender platform, accounting tools and bill-payment services. Paymento Financial added online-payment capabilities, and the bank's internal automation program later became the standalone SAIO company. ING Bank Śląski was one of the founding banks behind the Polish Payment Standard consortium. The consortium launched BLIK in 2015, and the system subsequently became widely used for mobile payments in Poland. The bank also expanded services for entrepreneurs and corporates through lending, leasing, factoring, payments, treasury services and digital business administration. In the 2020s, ING Bank Śląski remained a major Polish bank by assets and customer numbers. It developed a dedicated private-banking proposition for affluent customers and continued investing in digital processes, including mortgage applications through the Moje ING platform. Leadership passed from Małgorzata Kołakowska to Brunon Bartkiewicz and later to Michał Bolesławski, who took office in April 2025. The bank's long-term identity combines Polish operating roots, ING Group ownership, a nationwide universal-banking model and a strong emphasis on digital distribution.
- 2025
New president takes office
[1]Michał Bolesławski became president of the Management Board, succeeding Brunon Bartkiewicz.
- 2022
SAIO spun out
[1]The bank's automation activities were organized as a separate robotic-process-automation company.
- 2015
BLIK launches
[1]The consortium's mobile-payment service became available to customers of participating Polish banks.
- 2013
Founding shareholder of Polish Payment Standard
[1]ING Bank Śląski joined five other banks in creating the consortium that developed BLIK.
- 2005
ING reduces its listed stake
[1]ING Bank N.V. sold shares on the Warsaw Stock Exchange while retaining control of the Polish bank.
- 2001
ING Bank Śląski name adopted
[4]The bank merged with ING's Polish branch and began operating under its current name.
- 1996
ING becomes majority owner
[4]ING increased its holding to a majority stake, completing the central ownership transition of the bank.
- 1994
ING enters the shareholding structure
[4]ING Bank N.V. acquired a minority stake, while Bank Śląski shares debuted on the Warsaw Stock Exchange.
- 1991
Conversion into a joint-stock company
[4]The state bank was converted into a joint-stock company owned by the State Treasury.
- 1989
Operations begin
[4]Bank Śląski began operating as an independent commercial bank after being separated from the National Bank of Poland.
Products and positioning
A large Polish universal bank positioned around digital-first retail banking, transparent everyday financial services and comprehensive support for businesses, while leveraging the ING Group's international brand and infrastructure.
Digital banking
Moje ING
ING Bank Śląski's digital banking environment for personal and business customers. It supports account administration, payments, savings, lending and other everyday banking functions through online and mobile channels. The platform is central to the bank's digital-first distribution model and is also used for increasingly digital application processes.
Retail banking · 1989
Personal banking
The bank's retail proposition includes current accounts, savings products, payment cards, consumer finance, mortgages and mobile payments. Products are distributed through digital channels, branches and customer-service infrastructure, with propositions aimed at everyday banking customers as well as affluent and private-banking clients.
Corporate and SME banking · 1989
Business banking
Business services cover accounts, working-capital finance, corporate loans, cash management, treasury services, leasing, factoring and online tools. The bank serves entrepreneurs, small and medium-sized businesses, large companies and institutions, combining relationship management with digital self-service.
Mortgage banking · 2000
ING Bank Hipoteczny
ING's specialist mortgage-banking activity in Poland traces its institutional history to Śląski Bank Hipoteczny, established in 2000. After earlier restructuring and absorption arrangements, a new mortgage-bank entity began operating in 2019 to support the group's housing-finance activities.
Mobile payments · 2015
BLIK
BLIK is a Polish mobile-payment system created by the Polish Payment Standard consortium, of which ING Bank Śląski was a founding shareholder bank. Customers use participating banking applications for payments and other transaction functions without relying exclusively on conventional card credentials.
Leasing · 1995
ING Leasing
ING Leasing provides asset-finance solutions for businesses. The operation originated as ING Lease Polska and became part of ING Bank Śląski's capital group in 2012, extending the bank's business offering beyond deposit-taking and lending.
Factoring · 1994
ING Faktoring
ING Faktoring provides receivables-finance services to businesses. The company originated as ING Commercial Finance Polska, joined the ING brand in 2006 and became part of the bank's own capital group in 2012.
Business platforms · 2013
Aleo and ING business services
ING Usługi dla Biznesu operates digital services for companies, including Aleo, an online trading and tender platform, as well as accounting and bill-management tools. These services complement the bank's financial products by helping business customers administer commercial and financial processes online.
Business technology · 2022
SAIO
SAIO is a robotic-process-automation company that developed from ING Bank Śląski's internal automation program. It supplies automation solutions to corporate and small-business clients, extending the bank group's technology capabilities into a separate business.
Controversies
1994
Bank Śląski privatization and share-offering controversy
The bank's first public share offering generated controversy after the market price on the first trading session far exceeded the offer price and individual allocations were sharply reduced because of heavy demand. Regulators examined brokerage operations, reporting and internal supervision; the brokerage authorization was temporarily withdrawn and later restored with restrictions, and fines were imposed. Parliamentary, audit and prosecutorial reviews produced differing conclusions, while criminal proceedings did not result in convictions. Civil litigation connected with the episode did produce judgments against the bank.
Brand decisions
2022
Spin out the automation business as SAIOStrategyBackground
The bank's internal robotic-process-automation program had developed capabilities that could also serve external business customers.
Action taken
The automation operation was organized as a separate joint-stock company named SAIO.
Aftermath
SAIO expanded the group’s technology offering beyond traditional banking and supplied automation solutions to corporate and smaller-business customers.
2013
Create the Polish Payment Standard consortiumProduct launchBackground
Polish banks sought a shared domestic mobile-payment infrastructure.
Action taken
ING Bank Śląski joined PKO Bank Polski, mBank, Bank Millennium, Alior Bank and Bank Zachodni WBK as founding shareholder banks.
Aftermath
The consortium launched BLIK in 2015, which became a widely used mobile-payment service in Poland.
2001
Merge with ING's Polish branch and adopt the ING Bank Śląski nameStrategyBackground
Management sought to move beyond the bank's regional identity and expand its national presence.
Action taken
Bank Śląski combined with ING's Polish branch and began operating as ING Bank Śląski.
Aftermath
The enlarged institution had a broader customer base, larger capital resources and a platform for expansion in Warsaw, Poznań, the Tricity and other markets.
1996
Accept ING as majority shareholderM&ABackground
The State Treasury continued the privatization of Bank Śląski after ING had acquired an initial minority position.
Action taken
Share transactions increased ING's holding to a majority, making ING the bank's controlling shareholder.
Aftermath
The bank gained a foreign strategic owner and began a longer-term transition toward a nationwide ING-branded universal bank.
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