What ESG services does RSustain UK provide?

RSustain UK provides ESG strategy advisory, materiality assessments, ESG system design, regulatory alignment (UK SDR, CSRD, ISSB), and implementation support. We focus on building audit-ready ESG frameworks without providing statutory assurance.

Does RSustain UK provide Net Zero or carbon footprint services?

Yes. RSustain UK supports organisations with Scope 1, 2, and 3 carbon footprinting, Science Based Targets (SBTi) alignment, and Net Zero transition planning. All services are advisory and system-design focused and do not include third-party verification or validation.

Is RSustain UK an assurance or verification body?

No. RSustain UK does not provide statutory assurance, verification, or validation services. We support organisations in achieving assurance readiness by designing robust ESG, carbon, and compliance systems aligned with regulatory expectations.

Which regulations and frameworks does RSustain UK work with?

RSustain UK works with global and UK frameworks including CSRD, UK SDR, SECR, ISSB (IFRS S1/S2), GHG Protocol, SBTi, ISO 14001, ISO 14064-1, and Environment Act 2021 requirements such as Biodiversity Net Gain.

Do you support ESG software or digital compliance tools?

Yes. RSustain UK develops and deploys ESG and environmental compliance tools, including digital legal registers, carbon data platforms, and ESG diagnostics to support ongoing compliance and reporting.

What training and certification programmes are offered through RSustain Academy?

RSustain Academy offers practitioner-led ESG training programmes, including ESG Foundation and ESG Masterclass courses, as well as ISEP-accredited certifications delivered in collaboration with an official ISEP training partner.

Who are RSustain UK’s services designed for?

RSustain UK works with corporates, infrastructure developers, investors, and organisations seeking regulatory-aligned ESG, Net Zero, and environmental compliance solutions across the UK and Europe.

Does RSustain provide assurance services?

RSustain UK provides advisory and readiness services. The wider RSustain group holds AA1000 licensing for assurance services via RSustain India.

How does the RSustain group work?

RSustain UK provides ESG advisory for UK and international clients, and publishes the EcoCapital Index (RECI) framework. RSustain India provides BRSR compliance and AA1000 assurance. RSustain Academy delivers ESG training globally.

Regulatory Intelligence

ESG, Climate & Sustainability Insights

Practitioner-focused guidance on CSRD, UK SDR, ISSB, SECR, TCFD, TNFD, CBAM, net-zero planning, carbon accounting, and assurance readiness. Written for boards, sustainability teams, and compliance officers.

Latest

Regulatory Framework Explainers

Concise, practitioner-focused guides on the frameworks and regulations shaping ESG disclosure obligations. Each explainer covers scope, requirements, timelines, and practical implementation steps.

CSRD

Corporate Sustainability Reporting Directive — EU disclosure requirements under ESRS standards. Applies to UK companies with EU operations.

UK SDR

UK Sustainability Disclosure Requirements — obligations for UK-regulated firms under FCA supervision.

Global

ISSB / IFRS S1 & S2

International sustainability disclosure standards for investor-grade, globally comparable reporting.

Double Materiality

The assessment methodology at the heart of CSRD — evaluating both impact and financial materiality.

Global

Scope 3 Emissions

Value chain emissions — the most complex and consequential GHG category for most organisations.

SECR

Streamlined Energy and Carbon Reporting — UK mandatory carbon disclosure for qualifying companies.

ESOS

Energy Savings Opportunity Scheme — UK energy audit obligations for large undertakings.

Regional Coverage

Regulatory Landscape by Region

United Kingdom

UK SDR — FCA sustainability disclosure obligations
SECR — Mandatory energy and carbon reporting
ISSB — UK endorsement of IFRS S1/S2
TCFD — Climate governance and risk disclosure
TNFD — Nature-related financial disclosures
ESOS — Energy audit obligations

European Union

CSRD / ESRS — Corporate sustainability reporting directive
Double Materiality — Impact + financial assessment
EU Taxonomy — Classification of sustainable activities
CBAM — Carbon border adjustment for exporters
CSDDD — Supply chain due diligence
Assurance — Limited → reasonable transition

India & MENA

BRSR / BRSR Core — SEBI-mandated ESG reporting
AA1000AS v3 — Sustainability assurance standard
India CCTS — Carbon credit trading scheme
GSAS — Gulf sustainability assessment
RSustain India →
EcoCapital Index (RECI) →

RSustain Ecosystem

Platforms & Global Presence

RSustain UK

ESG, Climate & Environmental Advisory

RSustain India

BRSR, Assurance & Carbon Management

EcoCapital Index

RECI — Global ESG Company Rankings

RSustain Academy

ESG Training & Certification

RSustain Matrix

ESG Diagnostic & Scoring Platform

Frequently Asked Questions

What is CSRD and does it apply to UK companies?

The Corporate Sustainability Reporting Directive requires organisations operating in the EU to disclose standardised sustainability information aligned with ESRS. UK companies with EU subsidiaries, EU-listed securities, or significant EU revenue may fall within scope.

Does RSustain UK provide assurance?

RSustain UK provides advisory and system design services. We design the ESG evidence, controls, and disclosures that external assurance providers will test. The wider RSustain group holds AA1000 licensing for assurance services via RSustain India.

What is assurance-ready ESG reporting?

Assurance-ready reporting means ESG disclosures supported by documented controls, calculation notes, evidence trails, governance structures, and audit-traceable data that can withstand limited or reasonable assurance scrutiny.

How do ISSB and CSRD relate to each other?

ISSB (IFRS S1/S2) focuses on global investor-centric disclosures. CSRD requires double materiality (impact + financial). Many organisations align both frameworks simultaneously to reduce duplication. RSustain UK helps clients design data architectures that serve both requirements.

What is the EcoCapital Index (RECI)?

The Resilient EcoCapital Index (RECI) is an RSustain UK framework that evaluates global companies on ESG performance across 135 assessment questions. It provides an independent, transparent ESG assessment methodology at ecocapitalindex.com. RECI is a framework, not a rating — it assesses companies against structured criteria rather than assigning commercial credit-style ratings.

What is EU CBAM and how does it affect UK exporters?

The Carbon Border Adjustment Mechanism requires importers of steel, cement, aluminium, fertiliser, electricity, and hydrogen into the EU to purchase certificates reflecting embedded carbon. UK exporters to the EU must calculate and report embedded emissions. RSustain provides CBAM readiness assessment via our CBAM Compass tool.

How does the RSustain group structure work?

RSustain UK (Resilient Sustainance Limited) provides ESG advisory for UK and international clients. RSustain India provides BRSR compliance, AA1000 assurance, and carbon management for Indian companies. The EcoCapital Index publishes independent ESG rankings. RSustain Academy delivers ESG training globally. All entities share group expertise while operating independently.

Need Implementation Support?

Our advisory team helps translate regulatory requirements into practical implementation plans, evidence structures, and assurance-ready systems.

Discuss Your Readiness Explore Capabilities

ESG, Climate & Sustainability Insights

Recent Articles & Analysis

Five Steps to Assurance-Ready ESG Disclosures

SECR Reporting: A Practical Guide for UK Companies

EU CBAM: What UK Exporters Need to Know in 2026

SECR vs CSRD: Understanding Your Double Reporting Obligations

Building Assurance-Ready ESG Data Systems: A Practitioner Guide

EU CBAM Definitive Phase 2027: Complete UK Exporter Preparation Guide

TNFD Recommendations: From Voluntary Disclosure to Board-Level Action

ISSB S1/S2 UK Endorsement: Timeline, Requirements, and Readiness Checklist

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