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Data Modernization with Passerelle

How do organizations modernize data to unlock value?

Legacy systems trap insights in silos, increase costs, and slow down innovation. Passerelle’s end-to-end data modernization services move organizations from outdated infrastructure to a governed, cloud-native architecture that supports real-time analytics, secure sharing, and advanced AI use cases.

Data Modernization with Passerelle

Transform legacy systems into a scalable, AI-ready data estate.

Most organizations know their current data infrastructure can’t keep pace with business demands. Legacy ETL tools, brittle integrations, and outdated governance models hold back transformation. By modernizing to a cloud-native environment such as Snowflake, enterprises gain elastic scale, streamlined integrations, and stronger governance to support analytics, AI, and enterprise-wide collaboration.

With modernization you can:

  • Eliminate costly renewals and overhead from legacy platforms.
  • Enable real-time data sharing and API-driven business models.
  • Improve compliance and governance through agile frameworks.
  • Create a trusted data foundation that supports analytics, AI, and innovation.

How It Works

Modernization isn’t a single project—it’s a staged journey. Passerelle partners with your organization to design a phased roadmap that addresses immediate pain points while laying a foundation for long-term growth.

  • Assessment – Review existing platforms, integrations, and governance.
  • Migration & Engineering – Move data pipelines, APIs, and workloads to a modern stack.
  • Enablement & Governance – Build skills, governance, and observability into your data estate.
  • Ongoing Support – Provide managed services and optimization as your business evolves.

Customer Testimonials

“We knew if kept doing things ad hoc, we couldn’t scale. With the development of APIs and Passerelle engineering, we literally could go to market with a new customer in a week." Juan Lopez, Executive Vice President of Engineering at Material Bank

Services

Modernization to Snowflake

Accelerate your migration to Snowflake with flat-fee Highline services and Data Rocket accelerators. Establish a secure, scalable environment where structured and unstructured data is consolidated, governed, and ready for analytics and AI.

Data Engineering

Enable real-time data integration and new revenue models with modern API frameworks, event-driven pipelines, and enterprise service bus architectures. Our engineering teams help you build resilient data ecosystems that fuel business growth

Agile Data Governance

Adopt iterative governance frameworks that balance security with accessibility. Agile Data Governance creates transparency, improves compliance, and builds trust in your data across the organization

Data Migrations

Move away from brittle legacy tools like Tibco and Informatica to agile, cloud-native platforms. Passerelle reduces cost, risk, and downtime by reverse-engineering legacy workloads and delivering proven migration frameworks

Training & Enablement

Empower your teams with the skills needed to adopt and manage a modern data estate. Hands-on training and enablement programs build internal expertise while ensuring adoption of best practices.

Ongoing Support

Sustain and scale your data estate with managed services that cover administration, optimization, and governance. Predictable, flat-fee support ensures long-term success with Snowflake, APIs, and analytics.

Accelerate Your Modernization Efforts with Passerelle

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Data
Rocket
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Snowflake
Highline
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Guide
to Agile Data Governance
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Guide
to Modernization for Banks and Credit Unions

Frequently Asked Questions

Q: Why should we modernize now?

A: Legacy tools are expensive, risky, and limit innovation. Modernization reduces costs while enabling real-time analytics and AI-readiness.

Q: How long does modernization take?

A: Timelines vary, but many organizations see measurable results within the first 90 days. Our agile methodology prioritizes quick wins that compound and scale.

Q: What if our team doesn’t have cloud or AI expertise?

A: Passerelle provides both enablement and ongoing support, working alongside your team until they’re confident in operating the new environment.

Case Studies

We help businesses harness the power of their data.

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Material
Bank
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Camden
National Bank
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Vermont
Gas
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Dimagi
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