Boutique Sustainability & ESG Advisory

Supporting organisations with sustainability reporting, climate and nature strategy, regulatory readiness and ESG transformation across the UK, EU and globally.

What we do

RZB provides senior-level advisory services across sustainability reporting, climate and nature strategy, regulatory readiness and ESG transformation. We combine rigorous technical expertise with practical implementation-focused delivery.

Our services

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CSRD / ESRS Readiness

Double materiality, gap analysis, disclosure design, reporting controls and governance.

ESG Reporting & Assurance Readiness

ISAE 3000-based controls, governance, data quality, disclosure readiness and improvement.

Climate Strategy & Net Zero

Science-based targets, decarbonisation pathways, transition planning and roadmaps.

ISSB/ IFRS S1-S2 Design & Implementation

Data architecture, KPIs, scenario analysis, disclosure readiness and alignment.

Climate Risk (TCFD)

Physical and transition risk assessment, scenario analysis, quantification and reporting.

Nature & Biodiversity (TNFD)

Risk and dependency assessment, LEAP-aligned analysis and nature strategy development.

We support organisations across the full sustainability and ESG lifecycle, from disclosure readiness to strategy, assurance-readiness and transformation.

About RZB LTD

RZB LTD is a boutique sustainability and ESG advisory practice led by Richard Betts, a former partner at EY and ERM with two decades of experience supporting global organisations.

Richard has advised FTSE-listed companies, major banks, multinational companies and high-growth businesses across financial services, FMCG, retail, telecoms, energy, real estate, infrastructure and industrials and manufacturing.

RZB combines deep technical expertise with practical, implementation-focused delivery that stands up to audit, investor and regulatory scrutiny.