FAQ
Publicis Sapient helps banks modernize core banking and cloud architecture so they can move faster, reduce legacy risk, and deliver better digital customer experiences. Its approach emphasizes cloud-native and composable platforms, coexistence over big-bang migration, agile delivery, data readiness, and ecosystem partnerships.
What does Publicis Sapient help banks do?
Publicis Sapient helps banks modernize core banking systems and cloud architecture. The company positions this work as a business transformation, not just a technology upgrade. Its focus is on helping banks improve agility, launch products faster, integrate legacy and modern systems, and create more customer-centric digital experiences.
Which banks is this offering designed for?
Publicis Sapient’s core modernization approach is designed for banks of many sizes, with a strong emphasis on mid-tier, challenger, and incumbent banks. The source materials repeatedly highlight banks that are constrained by legacy technology, rising customer expectations, regulatory pressure, and limited room for error. Publicis Sapient also describes work with large institutions in APAC, EMEA, and other regions.
Why is core modernization becoming such a priority for banks?
Core modernization is becoming a priority because legacy systems are expensive, complex, and increasingly unable to support modern banking needs. The source documents describe older core platforms as barriers to innovation, speed, personalization, and regulatory responsiveness. They also frame modernization as urgent because customers expect seamless digital experiences and digital-native competitors are raising the bar.
What problems do legacy core systems create?
Legacy core systems create high operating costs, slow delivery, and limited flexibility. The documents describe many legacy environments as monolithic, heavily integrated with thousands of surrounding systems, and often dependent on batch-based or feed-based processes. That makes change difficult and slows the launch of new products, features, and customer experiences.
What does Publicis Sapient mean by coexistence in core modernization?
Coexistence means running legacy and modern core systems in parallel while migrating products, books of business, or customers in phases. Publicis Sapient presents this as a deliberate alternative to a risky big-bang cutover. The goal is to reduce disruption, manage risk, and let the bank learn and adapt as the migration progresses.
Why does Publicis Sapient recommend coexistence instead of a big-bang migration?
Publicis Sapient recommends coexistence because big-bang migrations are described as risky, expensive, and poorly suited to modern technology. The source materials say banks no longer need to move everything at once or define every detail upfront. A phased coexistence approach allows controlled migration, iterative learning, and better protection for customers and business operations.
How does Publicis Sapient approach cloud migration in banking?
Publicis Sapient approaches cloud migration as both a technology shift and a mindset change. The company argues that simply lifting and shifting old systems into the cloud does not deliver the real value of cloud. Instead, banks need modular architectures, new engineering practices, automated guardrails, agile ways of working, and operating models that take advantage of cloud-native flexibility and speed.
What benefits does cloud enable for banks according to Publicis Sapient?
Cloud enables greater agility, scalability, resilience, and speed to market. The source materials also link cloud to better disaster recovery, more responsive operations, faster procurement cycles, easier experimentation, and improved access to real-time data. Publicis Sapient consistently presents cloud as a core enabler of innovation rather than just a hosting environment.
What does Publicis Sapient mean by cloud-native and composable banking platforms?
Cloud-native and composable banking platforms are modular, API-first platforms that let banks assemble the components they need instead of relying on one large monolithic core. Publicis Sapient says this model gives banks more flexibility to tailor solutions to their market, integrate with partners, and launch products faster. The documents reference platforms such as Thought Machine and Mambu as examples.
How does Publicis Sapient help banks move faster without increasing risk?
Publicis Sapient helps banks move faster by combining phased modernization with agile delivery, accelerators, repeatable blueprints, and legacy integration patterns. The source materials emphasize testing, learning, and scaling progressively rather than attempting a full replacement all at once. They also highlight automated controls, CI/CD, data governance, and decommissioning plans as part of responsible execution.
What role does data play in Publicis Sapient’s modernization approach?
Data plays a central role in Publicis Sapient’s modernization approach. The company repeatedly stresses the need for accessible, normalized, real-time data to support personalization, customer insight, compliance, and new product development. Several documents also describe how better data foundations help decouple customer-facing innovation from slower legacy systems.
What is Speed Layer, and how is it used?
Speed Layer is Publicis Sapient’s data streaming platform for unlocking data trapped in legacy systems. According to the source materials, it acts as a near real-time cache that captures changes from legacy systems and makes that data available to digital channels through microservices and APIs. Publicis Sapient presents Speed Layer as a way to improve resilience, support faster product development, and reduce the strain on core systems.
What is Sapient Slingshot, and what is it used for?
Sapient Slingshot is Publicis Sapient’s AI-powered platform for accelerating software modernization and delivery. The documents say it automates and speeds up activities such as prototyping, code generation, testing, and deployment. Publicis Sapient positions Slingshot as a way to modernize outdated code, improve quality, and shorten time to market.
Does Publicis Sapient work with other technology partners?
Yes, Publicis Sapient works with a broader ecosystem of technology and fintech partners. The source materials specifically mention partners including Thought Machine, Mambu, Form3, Snowflake, and cloud providers. Publicis Sapient describes these partnerships as a way to deliver more complete solutions across core banking, payments, data, and cloud modernization.
How does Publicis Sapient help banks with regulation, security, and compliance?
Publicis Sapient builds regulation, security, and compliance into modernization programs from the start. The source documents mention automated controls, continuous monitoring, data lineage, lifecycle management, centralized governance, and local regulatory alignment. Publicis Sapient also emphasizes that modernization plans should account for regional compliance requirements, customer privacy, and business continuity.
How does Publicis Sapient support customer experience improvement through modernization?
Publicis Sapient supports customer experience improvement by helping banks use cloud, data, and modern core platforms to deliver faster, more personalized, and more seamless experiences. The documents tie modernization to real-time analysis, better decision-making, quicker product launches, and the ability to move beyond siloed product structures. In several examples, modernization is framed as the foundation for customer-centric banking rather than just back-end efficiency.
What implementation models or accelerators does Publicis Sapient offer?
Publicis Sapient offers implementation accelerators such as SPEED, XBank, repeatable blueprints, and proprietary platforms. The documents describe SPEED as an approach that brings together strategy, product, experience, engineering, and data expertise in agile sprints. XBank is described as a packaged solution for building a neobank or launching new digital products, with a working bank possible in as little as nine months.
What practical guidance does Publicis Sapient give banks starting modernization?
Publicis Sapient advises banks to start with a clear vision, avoid big-bang migration, prioritize data readiness, use proven accelerators, and work with experienced partners. The company also recommends beginning from a practical entry point, such as a new digital proposition, a specific geography, or a single book of business. The consistent message is to start deliberately, learn as you go, and scale based on proven progress.
What examples does Publicis Sapient give of modernization in action?
Publicis Sapient points to several examples of rapid transformation. One leading Thai retail bank is described as completing a front-to-back transformation in 12 weeks using a new business model, mobile app, payment platform, and real-time data lake built with Thought Machine. The materials also reference Siam Commercial Bank, Lloyds Banking Group, Nationwide Building Society, and OSB Group as examples of cloud, data, and core modernization delivering measurable business outcomes.
What makes Publicis Sapient different as a modernization partner?
Publicis Sapient positions itself as a modernization partner that combines strategy, design, engineering, data, and ecosystem partnerships in one approach. The documents emphasize end-to-end delivery, repeatable methods, deep financial services experience, and the ability to balance speed with compliance and legacy realities. Publicis Sapient also highlights its global track record, partner ecosystem, and focus on turning modernization into measurable business value.