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legacy system modernisation services combine engineering excellence with AI-powered techniques to build resilience and de-risk your transformation journey.\u003C\u002Fp>\n",{"id":218,"sharedMediaLegend":219,"mediaImage":220,"name":227},"172989",null,{"url":221,"width":222,"height":223,"alt":224,"title":219,"size":225,"mime":226,"variations":219},"https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fimages\u002FLegacy_Modernisation_Header_Right.png",1739,1386,"Developer working on a laptop, coding in a modern digital environment.",3278729,"image\u002Fpng","Legacy_Modernisation_Header_Right.png",[229,240,247,280,312,341,461,504,583,591],{"__typename":230,"id":231,"ctaLink":232,"pgSharedText":235,"pgSharedTitle":219,"pgSharedCtaLink":239},"ParagraphPgText","34232",{"title":233,"url":234,"internal":7},"Get in touch","\u002Fen\u002Fcontact",{"value":236,"processed":237,"format":238},"\u003Cp>For many organisations, legacy modernisation has become a critical priority as outdated systems and architectures can no longer support today’s demands for speed, resilience, regulatory compliance, and innovation.\u003C\u002Fp>\u003Cp>Ageing mainframes and codebases are no longer just technical challenges, they are structural constraints that limit scalability, slow change, and increase operational risk. At the same time, critical system knowledge often sits with a small number of long-tenured specialists, creating concentration risk as succession gaps widen. The cost of waiting now outweighs the cost of acting.\u003C\u002Fp>\u003Cp>We combine over 50 years of engineering heritage with \u003Ca href=\"\u002Fnode\u002F26486\" data-entity-type=\"node\" data-entity-uuid=\"915b40f2-5188-4476-b86c-7e831565887f\" data-entity-substitution=\"canonical\">AI-augmented\u003C\u002Fa> techniques to deliver application modernisation services that start from your unique systems, uncover what’s really there, and enable continuous, low-risk change through iterative delivery. With our team of \u003Ca href=\"\u002Fnode\u002F6647\" rel=\"noreferrer noopener\" data-entity-type=\"node\" data-entity-uuid=\"685fea0a-4ce0-4b5d-ba0f-6fb137f51971\" data-entity-substitution=\"canonical\">data engineers\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fwww.zuehlke.com\u002Fen\u002Fexpertise\u002Fcloud-transformation\" rel=\"noreferrer noopener\">cloud specialists\u003C\u002Fa>, and \u003Ca href=\"\u002Fnode\u002F6649\" rel=\"noreferrer noopener\" data-entity-type=\"node\" data-entity-uuid=\"a5fe387a-19f8-4216-a8b5-3a4deeae15d4\" data-entity-substitution=\"canonical\">cybersecurity experts\u003C\u002Fa>, you can modernise safely, continuously and with confidence.\u003C\u002Fp>","\u003Cp>For many organisations, legacy modernisation has become a critical priority as outdated systems and architectures can no longer support today’s demands for speed, resilience, regulatory compliance, and innovation.\u003C\u002Fp>\u003Cp>Ageing mainframes and codebases are no longer just technical challenges, they are structural constraints that limit scalability, slow change, and increase operational risk. At the same time, critical system knowledge often sits with a small number of long-tenured specialists, creating concentration risk as succession gaps widen. The cost of waiting now outweighs the cost of acting.\u003C\u002Fp>\u003Cp>We combine over 50 years of engineering heritage with \u003Ca href=\"\u002Fen\u002Fexpertise\u002Fai-implementation\" data-entity-type=\"node\" data-entity-uuid=\"915b40f2-5188-4476-b86c-7e831565887f\" data-entity-substitution=\"canonical\" title=\"EXPERTISE: AI implementation (EN)\">AI-augmented\u003C\u002Fa> techniques to deliver application modernisation services that start from your unique systems, uncover what’s really there, and enable continuous, low-risk change through iterative delivery. With our team of \u003Ca href=\"\u002Fen\u002Fexpertise\u002Fdata-solutions\" rel=\"noreferrer noopener\" data-entity-type=\"node\" data-entity-uuid=\"685fea0a-4ce0-4b5d-ba0f-6fb137f51971\" data-entity-substitution=\"canonical\" title=\"EXPERTISE: Data solutions (EN)\">data engineers\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fwww.zuehlke.com\u002Fen\u002Fexpertise\u002Fcloud-transformation\" rel=\"noreferrer noopener\">cloud specialists\u003C\u002Fa>, and \u003Ca href=\"\u002Fen\u002Fexpertise\u002Fcybersecurity-consulting\" rel=\"noreferrer noopener\" data-entity-type=\"node\" data-entity-uuid=\"a5fe387a-19f8-4216-a8b5-3a4deeae15d4\" data-entity-substitution=\"canonical\" title=\"EXPERTISE: Cybersecurity (EN)\">cybersecurity experts\u003C\u002Fa>, you can modernise safely, continuously and with confidence.\u003C\u002Fp>","full_html",{"title":233,"url":234,"internal":7},{"__typename":241,"id":242,"caption":219,"captionSecondary":219,"pgSharedTitle":219,"pgMediaRefMedia":243,"secondaryImage":219,"edgeToEdge":7,"fullWidth":204},"ParagraphPgMedia","34233",{"id":244,"mediaVideoFile":245},"172971",{"url":246},"https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fvideos\u002FLogo_Slider_Legacy_Modernisation.mp4",{"__typename":248,"id":249,"primaryImage":250,"pgCtaLink":274,"text":277,"title":278,"eyebrow":279},"ParagraphPgContentHero","34463",{"id":251,"sharedMediaLegend":219,"mediaImage":252,"name":273},"172976",{"url":253,"width":254,"height":255,"alt":256,"title":219,"size":257,"mime":226,"variations":219,"heroVariations":258},"https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fimages\u002FBanking_Programme_Web_Imagery_Header_Blog2.png",2880,1620,"Abstract visual of data transforming into modular digital architecture, representing AI-driven legacy system modernisation.",8482270,[259,264,265,268,272],{"name":260,"url":261,"width":262,"height":263},"FOCAL_POINT21_SMALL","https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fstyles\u002Ffocal_point_2_1_small\u002Fpublic\u002Fimages\u002FBanking_Programme_Web_Imagery_Header_Blog2.png.webp?itok=VxQK4S_S",800,400,{"name":260,"url":261,"width":262,"height":263},{"name":266,"url":267,"width":262,"height":262},"FOCAL_POINT11_SMALL","https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fstyles\u002Ffocal_point_1_1_small\u002Fpublic\u002Fimages\u002FBanking_Programme_Web_Imagery_Header_Blog2.png.webp?itok=YmMwf7eh",{"name":269,"url":270,"width":271,"height":271},"FOCAL_POINT11_MEDIUM","https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fstyles\u002Ffocal_point_1_1_medium\u002Fpublic\u002Fimages\u002FBanking_Programme_Web_Imagery_Header_Blog2.png.webp?itok=FTHG6es_",1200,{"name":269,"url":270,"width":271,"height":271},"Banking_Programme_Web_Imagery_Header_Blog2.png",{"title":275,"url":276,"internal":7},"Learn More","\u002Fen\u002Finsights\u002Fmodernising-legacy-banking-systems-a-challenge-for-todays-cios","Modernising legacy banking systems has become one of the most critical, but also most difficult, priorities for today’s CIOs. Learn how AI-powered legacy modernisation and change management enable modular, future-ready IT.","Modernising legacy banking systems: a challenge for today’s CIOs","Insight",{"__typename":281,"id":282,"columns":283,"listItems":284,"text":309,"title":310,"variant":311},"ParagraphPgContentList","34237","1col",[285,295,302],{"id":286,"icon":287,"link":219,"logo":219,"media":219,"text":291,"title":294},"34234",{"id":288,"file":289},"171942",{"url":290},"https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002F2025-07\u002Fplus-triple-icon.svg",{"value":292,"processed":292,"format":293},"\u003Cp>We start small, working within a sandbox environment to make critical system knowledge transparent and accessible. This creates a reliable knowledge foundation of your unique legacy system.\u003C\u002Fp>","content_list","Deliver early visibility in weeks ",{"id":296,"icon":297,"link":219,"logo":219,"media":219,"text":299,"title":301},"34235",{"id":288,"file":298},{"url":290},{"value":300,"processed":300,"format":293},"\u003Cp>By gradually embedding AI into daily development and operational workflows, we help your teams work more efficiently and reduce dependence on a shrinking pool of legacy system experts.\u003C\u002Fp>","Underpinned by AI-powered assurance  ",{"id":303,"icon":304,"link":219,"logo":219,"media":219,"text":306,"title":308},"34236",{"id":288,"file":305},{"url":290},{"value":307,"processed":307,"format":293},"\u003Cp>We help identify and automate critical test cases, ensuring stability throughout the transition. Modernisation happens incrementally, without disruption or downtime.\u003C\u002Fp>","Scale through staged integration ","We enable continuous, step-by-step modernisation through iterative delivery and seamless releases, applying AI as a holistic approach. ","Our approach to AI-powered legacy modernisation ","icon",{"__typename":313,"id":314,"eyebrow":219,"pgQuoteRefQuote":315,"hideImage":204,"hideFunctionAndCompany":204,"bigQuote":204},"ParagraphPgQuote","34238",[316],{"status":7,"id":317,"promote":204,"quotePersonDesc":318,"quotePersonName":319,"quoteText":320,"profileImage":321,"title":340},"25856","Former Head of Pricing, Analytics & Claims Management, UNIQA","Paul Brandstätter ","A great project success: Significant added value created for our customers and employees in just a few weeks with AI support!",{"id":322,"sharedMediaLegend":219,"mediaImage":323,"name":339},"172952",{"url":324,"width":325,"height":325,"alt":326,"title":219,"size":327,"mime":328,"variations":219,"quoteVariations":329},"https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fimages\u002FPaul_Brandstatter.jpg",1121,"Paul Brandstatter",97355,"image\u002Fjpeg",[330,333,335,337,338],{"name":331,"url":332,"width":263,"height":263},"FOCAL_POINT11_EXTRA_SMALL","https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fstyles\u002Ffocal_point_1_1_extra_small\u002Fpublic\u002Fimages\u002FPaul_Brandstatter.jpg.webp?itok=k0CbISnX",{"name":266,"url":334,"width":262,"height":262},"https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fstyles\u002Ffocal_point_1_1_small\u002Fpublic\u002Fimages\u002FPaul_Brandstatter.jpg.webp?itok=ITdOHJ1x",{"name":269,"url":336,"width":325,"height":325},"https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fstyles\u002Ffocal_point_1_1_medium\u002Fpublic\u002Fimages\u002FPaul_Brandstatter.jpg.webp?itok=BTIgxTax",{"name":269,"url":336,"width":325,"height":325},{"name":269,"url":336,"width":325,"height":325},"Paul_Brandstatter.jpg","Paul Brandstätter UNIQA",{"__typename":342,"id":343,"title":344,"lead":219,"collectionLink":345,"coloredBackground":7,"teaserCollection":348},"ParagraphPgTeaserCollection","34239","Our modernisation case studies ",{"title":346,"url":347,"internal":7},"More case studies","\u002Fen\u002Fcase-studies",{"status":7,"title":349,"collectionType":219,"contentType":219,"sharedTaxrefBizImpact":219,"sharedTaxrefFunctions":219,"sharedTaxrefExpertises":219,"sharedTaxrefIndustries":219,"taxrefCareersTopics":219,"contentFormat":219,"flagshipContent":204,"contentOwner":350,"teaser":351},"3x Biz Case Studies: Application Modernisation","business",[352,386,437],{"__typename":353,"id":354,"path":355,"sharedTeaserText":356,"sharedTeaserTitle":358,"sharedTeaserRefMedia":359,"projectExpertiseTerms":379},"NodeProject","5515","\u002Fen\u002Fcase-studies\u002Fswisscoms-application-modernisation-leads-to-greater-operational-security",{"processed":357},"\u003Cp>Swisscom modernises the application landscape in its customer centre by switching to module-based systems. Zühlke supports Swisscom with its plans.\u003C\u002Fp>","Swisscom's application modernisation leads to greater operational security",{"id":360,"sharedMediaLegend":219,"mediaImage":361,"name":378},"3831",{"url":362,"width":363,"height":364,"alt":365,"title":219,"size":366,"mime":328,"variations":219,"teaserCollectionVariations":367},"https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fimages\u002Fapplication-modernisation-swisscom.jpg",702,576,"symbolic picture with cables for application modernisation",52456,[368,372,373,376,377],{"name":369,"url":370,"width":363,"height":371},"FOCAL_POINT32_SMALL","https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fstyles\u002Ffocal_point_3_2_small\u002Fpublic\u002Fimages\u002Fapplication-modernisation-swisscom.jpg.webp?itok=FeXfgftg",468,{"name":369,"url":370,"width":363,"height":371},{"name":374,"url":375,"width":363,"height":371},"FOCAL_POINT32_MEDIUM","https:\u002F\u002Fcms.zuehlke.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fstyles\u002Ffocal_point_3_2_medium\u002Fpublic\u002Fimages\u002Fapplication-modernisation-swisscom.jpg.webp?itok=6m5FvA97",{"name":374,"url":375,"width":363,"height":371},{"name":374,"url":375,"width":363,"height":371},"application-modernisation-swisscom.jpg",[380,383],{"id":381,"name":382},"125","Cybersecurity",{"id":384,"name":385},"21","Software 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