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Perpetually Adaptive Enterprise

At TCS, we don’t just help businesses transform. We help them become perpetually adaptive enterprises, built to evolve continuously and confidently in a world of constant change.

Adaptability starts here
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Perpetually Adaptive Enterprise
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    • ignio™
    • TCS iON™
    • TCS HOBS™
    • TCS Intelligent Urban Exchange™
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    • TCS Tap™
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    We deliver excellence and create value for customers and communities - everyday. With the best talent and the latest technology we help customers turn complexity into opportunities and create meaningful change.

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    27 Jan 2026 TCS at SSOW Conference 2026: AI-led Autonomous GBS Showcase
    View all

    Recent recognitions

    02 Feb 2026 TCS is a Leader in Capital Markets Operations Services: Everest Group
    12 Jan 2026 Everest Group Recognizes TCS as a Leader in IAM Services
    16 Dec 2025 TCS Recognized as a Leader in Supply Chain Management BPS by Everest Group
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    What we do

    Perpetually Adaptive Enterprise

    At TCS, we don’t just help businesses transform. We help them become perpetually adaptive enterprises, built to evolve continuously and confidently in a world of constant change.

    Adaptability starts here
    • Industries
    • Services
    • Products and Platforms
    • Research & Innovation
    • Alliances
    • Banking
    • Capital Markets
    • Consumer Packaged Goods and Distribution
    • Communications, Media, and Information Services
    • Education
    • Energy, Resources, and Utilities
    • Healthcare
    • High Tech
    • Insurance
    • Life Sciences
    • Manufacturing
    • Public Services
    • Retail
    • Travel and Logistics
    • Artificial Intelligence and Data & Analytics
    • Cloud
    • Cognitive Business Operations
    • Consulting
    • Cybersecurity
    • Enterprise Solutions
    • IoT and Digital Engineering
    • Network Solutions and Services
    • Sustainability Services
    • TCS Interactive
    • TCS ADD™
    • TCS BANCS™
    • TCS BFSI Platforms
    • TCS CHROMA™
    • TCS Customer Intelligence & Insights™
    • TCS ERP on Cloud
    • ignio™
    • TCS iON™
    • TCS HOBS™
    • TCS Intelligent Urban Exchange™
    • TCS OmniStore™
    • TCS Optumera™
    • TCS Tap™
    • Quartz™ – The Smart Ledgers™
    • TCS TwinX™
    • TCS MasterCraft™
    • Jile™
    • TCS DigiBOLT™
    • TCS AI WisdomNext™
    • TCS Research
    • TCS Pace™
    Perpetually Adaptive Enterprise
  • Industries expand here
    • Banking
    • Capital Markets
    • Consumer Packaged Goods and Distribution
    • Communications, Media, and Information Services
    • Education
    • Energy, Resources, and Utilities
    • Healthcare
    • High Tech
    • Insurance
    • Life Sciences
    • Manufacturing
    • Public Services
    • Retail
    • Travel and Logistics
  • Services expand here
    • Artificial Intelligence and Data & Analytics
    • Cloud
    • Cognitive Business Operations
    • Consulting
    • Cybersecurity
    • Enterprise Solutions
    • IoT and Digital Engineering
    • Network Solutions and Services
    • Sustainability Services
    • TCS Interactive
  • Products and Platforms expand here
    • TCS ADD™
    • TCS BANCS™
    • TCS BFSI Platforms
    • TCS CHROMA™
    • TCS Customer Intelligence & Insights™
    • TCS ERP on Cloud
    • ignio™
    • TCS iON™
    • TCS HOBS™
    • TCS Intelligent Urban Exchange™
    • TCS OmniStore™
    • TCS Optumera™
    • TCS Tap™
    • Quartz™ – The Smart Ledgers™
    • TCS TwinX™
    • TCS MasterCraft™
    • Jile™
    • TCS DigiBOLT™
    • TCS AI WisdomNext™
  • Research & Innovation expand here
    • TCS Research
    • TCS Pace™
  • Alliances
  • Who we are

    About Us

    We deliver excellence and create value for customers and communities - everyday. With the best talent and the latest technology we help customers turn complexity into opportunities and create meaningful change.

    Discover the difference
    • Brand
    • Leadership
    • Community
    • Sustainability
    • Inclusion
    • Values
    About Us
  • Brand
  • Leadership
  • Community
  • Sustainability
  • Inclusion
  • Values
  • Insights

    TCS Insights

    Point of views, research, studies - on the latest themes - to help you expand your knowledge and be future ready.

    Start reading now
    • Customer Stories
    • Events
    • Analyst Recognition
    • Global Studies

    Upcoming events

    14 Apr 2026 Harnessing the Power of AI at TCS Life Sciences Forum 2026 New York
    09 Mar 2026 TCS at SAP A&D Innovation Day 2026, Florida
    27 Jan 2026 TCS at SSOW Conference 2026: AI-led Autonomous GBS Showcase
    View all

    Recent recognitions

    02 Feb 2026 TCS is a Leader in Capital Markets Operations Services: Everest Group
    12 Jan 2026 Everest Group Recognizes TCS as a Leader in IAM Services
    16 Dec 2025 TCS Recognized as a Leader in Supply Chain Management BPS by Everest Group
    View all
    TCS Insights
  • Customer Stories
  • Events
  • Analyst Recognition
  • Global Studies
  • Careers

    Want to be a global change-maker? Join our team.

    At TCS, we believe exceptional work begins with hiring, celebrating and nurturing the best people — from all walks of life.

    Join us
    • India
    • Americas
    • Asia Pacific
    • Europe and UK
    • Middle East and Africa
    • India
    • Argentina
    • Brazil
    • Canada
    • Chile
    • Colombia
    • Colombia (ES)
    • Ecuador
    • Mexico
    • Peru
    • Uruguay
    • USA
    • Australia
    • Mainland China
    • Hong Kong SAR
    • Indonesia
    • Japan
    • Malaysia
    • New Zealand
    • Philippines
    • Republic of Korea
    • Singapore
    • Chinese Taipei
    • Thailand
    • Belgium
    • Denmark
    • Estonia
    • Finland
    • France
    • Germany
    • Hungary
    • Ireland
    • Italy
    • Luxembourg
    • Netherlands
    • Norway
    • Poland
    • Portugal
    • Spain
    • Sweden
    • Switzerland
    • United Kingdom
    • Bahrain
    • Israel
    • Kuwait
    • Qatar
    • Saudi Arabia
    • South Africa
    • United Arab Emirates
    Want to be a global change-maker? Join our team.
  • India expand here
    • India
  • Americas expand here
    • Argentina
    • Brazil
    • Canada
    • Chile
    • Colombia
    • Colombia (ES)
    • Ecuador
    • Mexico
    • Peru
    • Uruguay
    • USA
  • Asia Pacific expand here
    • Australia
    • Mainland China
    • Hong Kong SAR
    • Indonesia
    • Japan
    • Malaysia
    • New Zealand
    • Philippines
    • Republic of Korea
    • Singapore
    • Chinese Taipei
    • Thailand
  • Europe and UK expand here
    • Belgium
    • Denmark
    • Estonia
    • Finland
    • France
    • Germany
    • Hungary
    • Ireland
    • Italy
    • Luxembourg
    • Netherlands
    • Norway
    • Poland
    • Portugal
    • Spain
    • Sweden
    • Switzerland
    • United Kingdom
  • Middle East and Africa expand here
    • Bahrain
    • Israel
    • Kuwait
    • Qatar
    • Saudi Arabia
    • South Africa
    • United Arab Emirates
  • Newsroom

    Find the latest news about TCS

    Stay up-to-date on all press announcements by TCS

    Discover more
    • News Alerts
    • Media Kit

    Recent News

    02 Feb 2026 TCS Secures No. 1 Spot in Customer Satisfaction among Europe’s Top Large IT Services Providers
    28 Jan 2026 TCS Named Top Employer in Europe for the 14th Consecutive Year by the Top Employers Institute
    16 Jan 2026 TCS Automotive Digital Twindex launched at CES 2026
    View all
    Find the latest news about TCS
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    Top Results
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    • Communications, Media, and Information Services
    • Video

    TCS enables Proximus’ AI driven Siebel Sales modernization

    Share TCS Enables Proximus’ AI-driven Siebel Sales Modernization
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    Connect. Curate. Comprehend: Unlocking Value Beyond Boundaries

    TCS helps businesses unlock value by enhancing digital experiences with AI and cloud technologies, driving sustainability and seamless connectivity. Learn how.
    Learn More
     about Connect. Curate. Comprehend: Unlocking Value Beyond Boundaries
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    Related Insights
    TCS Enables Proximus’ AI-driven Siebel Sales Modernization
    Watch the video to know how TCS helped Proximus migrate its Siebel app to OCI with AI enablement, powering digital sales and delivering omnichannel experiences.
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    03 Feb 2026
    Can LLMs Help Improve Network Operations?
    Explore CSP network operations use cases and learn how LLMs help with network planning and building, fault resolution, and preventing critical network events.
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    Blog
    22 Jan 2026

    HIGHLIGHTS

    • Proximus seamlessly migrated from a fragmented Siebel landscape to a unified, scalable OCI‑based platform with TCS, powering 24/7 digital sales with improved performance and resilience.
    • The transformation boosted uptime from 98% to 99.9%, accelerated transactions, reduced outages, and optimized operational costs, enhancing both customer and sales‑team experiences.
    • With the modernized Oracle Cloud foundation and TCS’s AI tools, Proximus is now poised to adopt advanced analytics, intelligent workflows, and generative AI to drive next‑gen business growth.

    TCS partnered with Proximus to transform Siebel Sales application on Oracle Cloud Infrastructure (OCI), delivering unmatched availability, agility, accelerated time-to-market, optimized costs, and a foundation for AI-driven innovation.

    Proximus, Belgium’s leading telecom provider, partnered with TCS to modernize its fragmented Siebel Sales landscape and deliver a seamless omnichannel experience. By migrating nearly 30 Siebel environments to Oracle Cloud Infrastructure (OCI) with Oracle Exadata Cloud Service, TCS unified the architecture into a resilient, scalable platform that now powers 24/7 digital sales.

    The cloud‑based transformation boosted performance and availability, improving uptime from 98% to 99.9% and reduced operational costs. It also accelerated transactions, minimized outages, and strengthened customer and sales‑agent journeys. With the modernized stack in place, TCS is leveraging the Siebel GitHub AI Tool to drive faster, higher‑quality innovation.

    Proximus is now building toward next‑gen capabilities using Oracle’s AI‑enabled ecosystem, focusing on advanced analytics, intelligent workflows, streamlined product lifecycle management, and higher order‑volume support for its growing B2B segment. Generative AI will further enhance sales and product development, ensuring agility and competitiveness in a rapidly evolving digital landscape.

    Swipe Left
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    When you do a complex IT transformation or cloud migration, it’s crucial to have a partner with deep expertise in technology, who knows your past and understands where you want to go. TCS was that partner for this project.

    Jeroen Verbruggen,

    Chief Digital & Information Officer, Proximus

    TCS powers Proximus Siebel Sales transformation on OCI

    Jeroen Verbruggen, CDIO and Yves DeChilly, Director-BSS Platform share how Proximus partnered with TCS to migrate and modernize its Siebel app on OCI

    Transcript downloading Download transcript
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    The movement of Siebel Application to the cloud, we did together with TCS on the Oracle stack. It enables and gives us access to AI-enabled technology. And there is an appetite in the business to articulate and further develop GenAI use cases also in the sales activities using Siebel. And the Oracle product stack allows that. So we will be further exploring together with TCS, what opportunities we can reap in the years to come.

    Yves Deschilly,

    Director- BSS Platform, Proximus

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