AWS re:Invent 2025 - Customer Services Reinvention powered by AWS
Overview
Illumia, a company within the Grupo Werthein conglomerate in Latin America, has partnered with Accenture and AWS to transform customer service operations across 11 countries.
Illumia was created to address key challenges faced by large enterprises, including:
Failing to deliver on the promise of operational efficiencies with AI-powered customer service
Struggling to effectively leverage customer data and monetize it
Difficulty scaling and measuring results from AI and automation pilots
Illumia's Approach
Illumia takes a business-first approach, engaging directly with C-suite stakeholders to understand their customer service goals and challenges.
They offer a platform-based solution that combines deep domain expertise in customer care with a flexible, AI-powered architecture.
Key principles of Illumia's model:
Outcome-based commercial models, not just selling technology
Empathetic, efficient, and scalable customer care powered by AI
Non-intrusive integration with existing systems and processes
Modular, composable "micro-agent" architecture for agility and adaptability
Technical Architecture
The core of Illumia's solution is a "living architecture" that connects people, data, and decisions in real-time:
Control Tower: Orchestrates operations, monitors performance, and adjusts strategies dynamically
Omni-channel AI Agents: Engage customers across web, app, chat, and IVR with personalized experiences
Gen AI Engine: Intelligent core that manages specialized models, language models, and knowledge bases
Micro-agent Layer: Modular, reusable AI agents that can be composed to solve complex challenges
Human-AI Collaboration: Agents work alongside human representatives, providing recommendations and automating actions
Data Insights Hub: Analyzes customer interactions to uncover patterns, drivers, and opportunities
Process Optimization Lab: Continuously identifies inefficiencies and deploys new automations
Technical Implementation
Illumia leverages a serverless, cloud-native architecture built on AWS services:
Amazon OpenSearch for context transfer and omni-channel support
Amazon Transcribe for speech-to-text
Amazon Lex for conversational AI
Various large language models (LLMs) from providers like Amazon, Anthropic, and others
AWS Lambda, API Gateway, and other serverless components for scalability and cost-efficiency
Business Impact
Illumia's customers have seen significant improvements, including:
25% reduction in total cost of ownership (TCO) in the first 12 months
Targeting 45% TCO reduction over the full program
3x increase in customer registration success rates
84% first-contact resolution in the first 4 weeks
97% of interactions filtered without any hallucinations
Improved customer satisfaction (NPS)
Illumia is rapidly expanding its customer base across Latin America and exploring opportunities to bring its solution to the US market.
Key Takeaways
Illumia's approach demonstrates how a business-centric, AI-powered platform can transform customer service operations at scale.
By focusing on outcomes, empathy, and a modular, composable architecture, Illumia is able to deliver tangible improvements in efficiency, cost, and customer experience.
The technical implementation leverages a range of AWS services to create a scalable, serverless, and self-learning ecosystem for customer service.
Illumia's success highlights the potential for generative AI and intelligent automation to reinvent how enterprises connect with and serve their customers.
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