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Berry, your everyday
banking companion
Making banking simpler with AI for 300,000 users, 24/7
A Human-Centered AI Story
Since November 2025, Berry has been making daily banking tasks easier for the clients and teams of Banque Internationale à Luxembourg (BIL). Governed by Devana AI’s agentic Operating System, Berry is an everyday companion designed to handle simple requests instantly, freeing human experts for what truly matters: advising clients on complex issues.
What Berry Does for BIL Clients
Card Management
Payments & Transactions
Transaction search & summarization
Document Management
BILnet procedures
24/7 Availability & Smart Handoff
From Exploration to Production.
With Proven Methodology.
The Devana Protocol© is our proven framework for deploying production-grade AI systems, from POC to industrialization. Inspired by NASA's TRL methodology and adapted for enterprise AI, it ensures quality, operational excellence, and successful delivery at every phase.
Learn more about the Devana Protocol© →9 months
to production
From exploration to 300,000 users in production: Berry's journey following the Devana Protocol©
Exploration
AI acculturation and detailed needs framing. Benchmark and validation of AI models. Technical and operational planning for next phases.
Deployment & Development
On-premises installation of Devana AI on staging environment. Starter License activated. Development of 20+ banking-specific microservices and connectors.
Experimentation
Design and configuration of AI agents and knowledge bases. Knowledge base testing with business experts: 100+ corrections of inconsistencies across documents (outdated information, gaps, contradictions). Iterative validation and adjustments.
Friend & Family
FNF phase to stress-test the system in real conditions before client release. Tests with a closed circle of internal users and relatives, with final feedback and adjustments.
Industrialization & Roll-out
Formal validation and progressive rollout: desktop first, then mobile in roll-out at 10%/day until 100% of clients onboarded. Today, Berry holds a prime position in BILnet menus for maximum visibility.
November 21, 2025
Berry goes live for 300,000 BIL clients
Battle-Tested for Banking
BIL chose a public chat license with the highest security and performance standards. Berry benefits from Devana's best security guarantees.
Penetration testing
Berry underwent rigorous penetration testing by a top-tier French security firm.
0 critical flaws · prompt leak fixed on the 2nd run
Diamond SLA Support
24/7 support in full compliance with GDPR, DORA and AI Act requirements.
Continuous operational excellence
Full Regulatory Compliance
Berry meets the strictest European regulations for banking AI systems.
On-Premises Sovereignty
Fully deployed within BIL infrastructure as a strategic component of BILnet platform.
Complete data sovereignty
BIL paves the way
for sovereign banking AI in production
300,000 clients served daily since November 2025: one of the first banking AI agents capable of acting on the client’s behalf (cards, payments, daily operations), deployed directly within the infrastructure of a European bank.
Infrastructure and governance that have passed the compliance requirements of a Luxembourg systemic bank.