RSustain Global

Sustainability
Without Borders

We map the sustainability terrain for enterprises navigating complex regulatory landscapes across 14+ jurisdictions, evolving stakeholder expectations, and the transition to a net-zero economy.

RSustain Global Team
0+ Jurisdictions
0+ Client Engagements
0 Practice Areas
0+ Digital Tools
0 Digital Platforms
Why RSustain

The adults in the room

In a landscape crowded with sustainability promises, we bring rigour. Every engagement begins with evidence, progresses through established methodology, and delivers measurable outcomes.

We don't sell aspirations. We build the governance structures, measurement systems, and disclosure frameworks that make sustainability credible, auditable, and strategically valuable.

AA1000 Licensed Assurance Provider — independent verification of sustainability disclosures
Multi-jurisdictional expertise — UK, EU, India, USA, Australia, New Zealand
Framework-agnostic approach — GRI, CSRD, BRSR, ISSB, TCFD, and 20+ frameworks
Technology-augmented delivery — 15+ proprietary digital tools
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Engagements

Across advisory, assurance, and reporting mandates

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Jurisdictions

Active operations spanning 4 continents

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Companies Rated

Through the RECI ESG Capital Index

Standards & Frameworks

We speak every framework

Deep expertise across the full spectrum of sustainability reporting, disclosure, and assurance standards.

GRI
Global Reporting Initiative
CSRD/ESRS
EU Sustainability Reporting
ISSB
IFRS S1 & S2
BRSR
Business Responsibility (India)
TCFD
Climate-Related Disclosures
TNFD
Nature-Related Disclosures
AA1000
Assurance Standard
ISAE 3000
Assurance Engagements
CBAM
Carbon Border Adjustment
SBTi
Science-Based Targets
CDP
Carbon Disclosure Project
ISSA 5000
Sustainability Assurance
What We Do

Practice Areas

Six interconnected practices that address the full sustainability value chain — from strategy through to independent assurance.

ESG Advisory

Strategic guidance on materiality assessment, governance structures, stakeholder engagement, and ESG integration into business strategy. We help boards and C-suites move from compliance to competitive advantage.

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Climate Strategy

Net-zero pathways, science-based targets, TCFD/TNFD alignment, transition planning for carbon-intensive sectors, and climate risk scenario analysis. Making climate commitments credible and measurable.

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Assurance & Verification

Independent assurance of sustainability disclosures under AA1000AS v3, ISAE 3000 (Revised), and emerging ISSA 5000 standards. Type 1 and Type 2 engagements at moderate and high assurance levels.

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Reporting & Disclosure

Multi-framework reporting across GRI Universal Standards, CSRD/ESRS, BRSR Core & Comprehensive, ISSB S1/S2, and jurisdiction-specific disclosure requirements. First-time and annual report preparation.

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Supply Chain & CBAM

Scope 3 measurement and reduction, supplier engagement programmes, EU CBAM compliance for importers, supply chain due diligence (CSDDD), and decarbonisation pathway design.

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ESG Ratings & Capital

ESG ratings improvement strategy, sustainable bond frameworks (green/social/sustainability-linked), ESG-linked financing structuring, and investor engagement for capital market participants.

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Methodology

How we work

Every engagement follows a structured, evidence-based methodology. We don't believe in boilerplate solutions — each mandate is scoped to your regulatory landscape, sector dynamics, and organisational maturity.

01
Landscape Mapping
Regulatory obligations, stakeholder expectations, peer benchmarking, and materiality assessment across all relevant jurisdictions.
02
Gap Analysis & Strategy
Current-state assessment against target frameworks, prioritised roadmap, resource requirements, and governance design.
03
Implementation
Data architecture, process design, KPI development, reporting system setup, and stakeholder training with digital tools.
04
Disclosure & Reporting
Multi-framework report preparation, XBRL tagging where required, board-level review, and regulatory filing support.
05
Assurance & Continuous Improvement
Independent verification, management letter with findings, annual improvement cycle, and regulatory change monitoring.
Global Presence

Where we operate

Advisory, assurance, and digital platform operations spanning four continents — with deep regulatory expertise in each jurisdiction.

🇬🇧
United Kingdom
RSustain Ltd (UK)

Headquarters. ESG advisory, AA1000 assurance, CSRD preparation for UK and pan-European enterprises. Developing European, New Zealand, and Australian markets through the UK entity.

🇮🇳
India
RSustain India Operations

BRSR compliance, environmental compliance (EPR, CPCB, SPCBs), ESG tools, Green School & Campus ratings, and sustainability services for the Indian market including XBRL filing.

🇺🇸
United States
RSustain US Operations

SEC climate disclosure compliance, California SB 253/261, US-specific sustainability advisory, and cross-border CBAM support for American importers into the EU.

🇶🇦
Qatar
GSustain

ISEP accreditation holder. GCC sustainability advisory, assurance services, and professional education delivery for the Middle East region.

UK (HQ) India USA Qatar Europe Australia NZ Active Operations Developing Markets
Digital Platforms

Technology that scales sustainability

Beyond advisory, we build digital platforms that make sustainability measurable, accessible, and scalable. Over 15 proprietary tools used by enterprises and institutions.

Research Index
RECI

Resilient ESG Capital Index. Proprietary methodology rating 100 global companies across 6 ESG pillars with 135 questions. The world's most granular public ESG assessment.

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Education
RSustain Academy

Professional development platform with 13 courses spanning CSRD, GRI, climate risk, sustainable finance, and ESG fundamentals. CPD-accredited.

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Career Intelligence
Career Compass

Psychometric career assessment using the DISHA framework. 8 dimensions, 20 career families, deterministic scoring across all career stages from student to executive.

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Free ESG Tools

15+ digital tools. Free to use.

We believe sustainability shouldn't be gatekept behind expensive consultancy fees. Our free digital tools help organisations at every stage — from initial assessment to regulatory filing.

BRSR Compass — Navigate India's Business Responsibility reporting requirements
BRSR XBRL Filing Tool — Generate XBRL-compliant filings from structured data
ESG Compliance Validator — 3-tier validation against major frameworks
CBAM Calculator — Estimate your carbon border adjustment obligations
Green School & Campus Ratings — Sustainability assessment for educational institutions
15+
Free Digital Tools
BRSR XBRL CBAM Templates Calendar Validator Water Waste AA1000 GSR Workforce
Client Perspectives

What our clients say

RSustain brought clarity to what felt like an impossible regulatory maze. Their multi-framework approach saved us from duplicating effort across CSRD and GRI reporting.
Head of Sustainability
European Manufacturing Group
The AA1000 assurance process was rigorous but collaborative. They found material gaps our internal team had missed, and the management letter was genuinely useful.
Group CFO
FTSE 250 Financial Services
Their BRSR tools and advisory support helped us achieve compliance in half the expected timeline. The digital-first approach is genuinely different from traditional consultancies.
Director, Corporate Affairs
NSE-Listed Conglomerate, India
Our Thinking

Perspectives

Analysis, commentary, and research on the evolving sustainability landscape.

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The RSustain Group

One Ecosystem

Advisory expertise, educational platforms, research indices, and digital tools — working together across jurisdictions to deliver integrated sustainability solutions.

RSustain UK
Advisory & Assurance (HQ)

Global headquarters. ESG advisory, AA1000 assurance, and CSRD preparation for UK and pan-European enterprises. Gateway to Europe, NZ, and Australia.

RSustain India
India Operations & Tools

BRSR compliance, environmental compliance (EPR, CPCB), 15+ free ESG tools, Green School & Campus ratings, and the full Indian regulatory toolkit.

RSustain Academy
Professional Education

13 professional courses in CSRD, GRI, climate risk, sustainable finance, and ESG fundamentals. CPD-accredited, with certificates on completion.

RECI
Research & Ratings

Resilient ESG Capital Index. 100 global companies rated across 6 pillars with 135-question methodology. Independent, transparent, adjudicated scoring.

GreenCampus
Education Sector SaaS

Sustainability assessment and rating platform for higher education institutions. Green School Rating for K-12 schools aligned with NEP 2020.

Career Compass
Career Intelligence

DISHA psychometric framework. 8 career dimensions, 20 families, stage-adaptive assessment from students to professionals. Deterministic, no AI.

GSustain
Qatar & GCC

ISEP accreditation holder. Sustainability advisory, assurance, and professional education delivery for the Middle East and Gulf region.

RSustain US
Americas

SEC climate disclosure, California SB 253/261 compliance, and cross-border CBAM support for American enterprises.

AA1000 Licensed Assurance Provider 200+ Client Engagements 14+ Jurisdictions 100 Companies Rated (RECI) 15+ Free ESG Tools 13 Professional Courses ISEP Accredited 4 Continents
Ready to begin?

Let's shape what comes next

Whether you're beginning your sustainability journey, navigating complex multi-jurisdictional requirements, or seeking independent assurance of your disclosures — we're ready to help.

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