Your Continuous Transformation Partner

Sustainability.
Reimagined
for the Digital Age.

We help organizations navigate the intersection of technology and sustainability — reducing carbon footprints, achieving compliance, and building lasting competitive advantage through Sustainable IT, Sustainable AI, and ESG advisory.

Start Your Journey Our Services

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Certification

ISO 14001 Lead Auditor

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Certification

ISO 14064 Lead Verifier

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Specialization

Life Cycle Assessment (LCA)

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Compliance

BRSR Advisory & Reporting

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Focus Area

Sustainable AI Consulting

35+

Years Experience

50+

Clients Served

Certifications

What We Do

Five Practices. One Mission.

From strategy to certification, we deliver end-to-end sustainability transformation across your digital and physical operations.

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Sustainable IT Consulting

Transform your IT operations to reduce carbon footprint while improving performance. We help define your Sustainable IT strategy, conduct double materiality assessments, implement performance dashboards, and run continuous improvement programs.

SIT Strategy Double Materiality SIT Rating CSOaaS

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Sustainable AI Advisory

AI adoption comes with a significant environmental cost. We help organizations measure, manage and minimise the carbon, water, and energy footprint of their AI workloads — while maximising business value responsibly.

AI Carbon Audit Green AI Design Model Efficiency

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Life Cycle Assessment (LCA)

Rigorous, ISO-compliant Life Cycle Assessments for products, services, and IT systems. Understand the full environmental impact from cradle to grave, and make evidence-based decisions to reduce it.

ISO 14040/44 Product LCA IT System LCA Carbon Footprint

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BRSR Compliance & Reporting

Navigate India's mandatory Business Responsibility and Sustainability Reporting framework with confidence. We guide listed companies through disclosure requirements, materiality mapping, and data collection — particularly for IT-related environmental impacts.

BRSR Core Scope 1/2/3 ESG Reporting GRI Alignment

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Training & Certification

Build internal sustainability capabilities through our internationally recognised certifications in GreenOps and Sustainable AI. From foundation to advanced levels — for individuals, teams, and enterprises seeking to lead the sustainability agenda.

GreenOps Master Sustainable AI Executive Workshops Team Training

CSOaaS

Chief Sustainability Officer as a Service

Not ready for a full-time CSO? Get executive-level sustainability leadership on demand. Strategy, reporting, stakeholder engagement — all included.

Enquire Now →

35+

Years in IT

Leadership

Dr. Niladri Choudhuri

CEO & Founder · International Author · Sustainability Consultant

With over 35 years in IT delivery, consulting, and training, Dr. Niladri Choudhuri is one of India's leading voices on Sustainable IT and Sustainable AI. A published author, international speaker, and practising consultant, he has guided organizations across industries on their sustainability transformation journey — from carbon footprint baseline to board-level ESG strategy.

As a signatory of the Sustainable IT Manifesto and President of the Green Computing Foundation, he brings both practitioner depth and ecosystem leadership to every engagement.

ISO 14001 Lead Auditor

Environmental Management Systems

ISO 14064 Lead Verifier

Greenhouse Gas Verification

Life Cycle Assessment (LCA)

ISO 14040/44 Practitioner

ITSM & DevOps Expert

ITIL, Agile, Value Stream Mgmt

Independent Director

IICA Certified · Board Advisory

Sustainable IT Manifesto

Global Signatory · Thought Leader

How We Work

A Structured Path to Measurable Impact

Baseline Assessment

We conduct a double materiality assessment to map your current IT and operational carbon footprint — understanding what matters most to your stakeholders and business.

Strategy Definition

Co-create a Sustainable IT / AI strategy aligned with your business goals, regulatory requirements (BRSR, GRI, CSRD), and science-based targets.

Implementation & Training

Execute with your teams through hands-on consulting, capability building, and certified training programmes — embedding sustainability into your operating model.

Measure, Report & Improve

Deploy sustainability performance dashboards, prepare compliant ESG disclosures, and run continuous improvement cycles to keep your organisation ahead of the curve.

Why Xellentro

Practitioners, Not Theorists

We bring ISO-certified expertise, real-world IT knowledge, and ecosystem connections that pure management consultancies simply cannot match. Every engagement is led by someone who has lived in the IT industry for over three decades.

"300 trees are required to offset the carbon generated by a single computer running for a year. We cannot be sitting on the fence. We need to act."

— Dr. Niladri Choudhuri

Our work is grounded in internationally recognised frameworks — ISO 14001, ISO 14064, GRI, BRSR, and the Sustainable IT Manifesto — giving your stakeholders and auditors the assurance they need.

Client Voices

Trusted by Leaders

Green Computing Foundation delivered a positive and quick impact in helping us understand, measure and manage our environmental carbon footprint. This will be part of our organizational DNA.

Harpreet Singh

Co-founder & CTO, Watermelon Software Inc.

Working with the GCF experts, we understood the various facets and levers driving IT sustainability. They provided a clear roadmap and actionable insights that we continue to act on.

Avinash Rao

MD & Head of India, LiveSwitch Inc.

Sustainable IT is the need of the hour. The fact that 300 trees are required to offset the carbon generated by using a computer for a year is enough reason to take action immediately.

Manoj Garg

DevOps CoE Lead, NatWest Group

Sustainability.
Reimagined
for the Digital Age.

Five Practices. One Mission.

Dr. Niladri Choudhuri

A Structured Path to Measurable Impact

Practitioners, Not Theorists

Sustainability Has No Sector Boundaries

Trusted by Leaders

Ready to Begin Your
Sustainability Journey?

Sustainability. Reimagined for the Digital Age.

Five Practices. One Mission.

Dr. Niladri Choudhuri

A Structured Path to Measurable Impact

Practitioners, Not Theorists

Sustainability Has No Sector Boundaries

Trusted by Leaders

Ready to Begin YourSustainability Journey?

Sustainability.
Reimagined
for the Digital Age.

Ready to Begin Your
Sustainability Journey?