UK-Registered ESG Advisory

CSRD Deadline Approaching?
Get Audit-Ready in 90 Days.

We help organisations build the ESG data systems, controls, and disclosures that satisfy regulators, pass audit scrutiny, and give boards confidence. From carbon accounting to full CSRD/ESRS implementation — delivered by practitioners, not generalists.

Aligned with CSRD/ESRS, UK SDR, ISSB (IFRS S1/S2), GHG Protocol and TCFD. Designed to be assurance-ready from day one — so your disclosures hold up when the auditors arrive.

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100+ Projects Delivered | 20+ Years' Experience | UK, EU & ANZ Coverage

Regulatory Architecture & Implementation

We design ESG data flows, controls, and disclosure structures that remain interoperable across frameworks — and defensible under assurance review. We also partner with EO/GIS providers to convert monitoring signals into CSRD/ESRS evidence packs and assurance-ready narratives.

ESG Strategy

Double materiality, governance, and disclosure architectures that translate ESG inputs into board-ready, regulator-ready outputs.

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Net Zero

Scope 1–3 systems, calculation notes, evidence indexing, and controls that withstand investor challenge and assurance scrutiny.

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Environmental Planning

Science-led BNG, EIA, and technical permitting to secure license to operate across complex assets.

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RSustain Academy

Executive-ready ESG training and ISEP-aligned capacity building — designed to improve governance, data ownership, and assurance readiness.

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We build ESG systems so robust,
your auditors find nothing to question.

Every engagement delivers four audit-ready outputs:

Evidence Index Calculation Notes Controls & Sign-offs Audit Walk-through Pack
Digital Intelligence

Run a Diagnostic Before You Engage

RSustain-built tools and diagnostic frameworks that surface your readiness gaps and priority actions.

Platform

RSustain Matrix

ESG readiness diagnostic across 300 indicators. 10-page executive intelligence report.

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Free Tool

Carbon Diagnostic

Interactive carbon footprint calculator with instant PDF report.

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Compliance Screening

CBAM Pre-Check

EU CBAM exposure screening. Check your obligations in 5 minutes.

Check Exposure →
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RSustain Academy

Build the Capability to Match the Strategy

Practitioner-led training aligned with CSRD, UK SDR, and ISSB frameworks. From ISEP-accredited certification to executive governance.

ISEP Certified

Foundation Certificate in Environmental Management

Professional ESG certification. 40 hours. Online, live, or classroom.

From £499
RSustain Original

CBAM Compliance

EU CBAM implementation — reporting, verification, allocation phase-out. 20 hours.

From £499
Free Course

BRSR Decoded

Comprehensive BRSR compliance guide. 8 hours. Self-paced. Certificate available.

Free
Browse Courses Corporate Training Enquiry
20+
Years' Experience
100+
Projects Delivered
3
Regions
8+
Frameworks Aligned

UK-registered advisory with cross-border ESG delivery experience across India, Middle East, and United Kingdom. Aligned with CSRD, UK SDR, ISSB, GHG Protocol, SBTi, TCFD, TNFD, and ISO 14064.

Resilient Sustainance Limited · Company No. 16530947 · England & Wales

Client Outcomes

What Our Clients Say

RSustain helped us build a complete CSRD-ready data architecture in 10 weeks. When our auditors arrived, every evidence trail and calculation note was exactly where it needed to be. No surprises.

Head of Sustainability
UK Manufacturing Group, £120M revenue

We were overwhelmed by CBAM requirements. RSustain ran a supplier engagement programme, built our embedded emissions calculations, and had us filing accurate quarterly reports within 6 weeks.

Import Compliance Director
EU Chemical Distributor, 14 countries

The RSustain Academy FCEM course gave our team a shared language and rigorous methodology. Three months later, we passed our first ISEP-aligned environmental audit with zero non-conformances.

Environmental Manager
Infrastructure & Construction Firm, Middle East
34%
Average Scope 1 reduction achieved across manufacturing clients
12 weeks
Typical time from engagement start to assurance-ready disclosures
40%
Average CBAM cost reduction through supplier engagement programmes
Zero
Audit non-conformances across clients using RSustain methodology
Regulatory Intelligence

Latest Insights

Five Steps to Assurance-Ready ESG Disclosures

As mandatory assurance of sustainability disclosures approaches under both CSRD and UK frameworks, the organisations that act now will avoid…

SECR Reporting: A Practical Guide for UK Companies

Streamlined Energy and Carbon Reporting (SECR) requires qualifying UK companies to report their energy use and carbon emissions in their…

EU CBAM: What UK Exporters Need to Know in 2026

The EU Carbon Border Adjustment Mechanism entered its definitive phase on 1 January 2026. For UK organisations exporting CBAM-scope goods…

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Industry Expertise

Sectors We Serve

Manufacturing & Industrial

Scope 1-3 accounting, SECR, ESOS, CBAM exposure, environmental permitting, and Net Zero roadmaps.

Financial Services

UK SDR fund labelling, TCFD reporting, portfolio carbon footprinting, and ESG data governance.

Importers & CBAM

EU CBAM screening, supplier engagement, embedded emissions calculation, and quarterly reporting.

Limited Advisory Slots Each Quarter

Start With a Free 30-Minute Scoping Call

No obligation. No pitch. Just clarity on your ESG position, compliance gaps, and the most defensible path forward.

We typically respond within 4 business hours. Most engagements begin within 2 weeks of the initial call.

Book Your Free Call Call +44 7546 076 583