Professional services firms are under growing pressure to integrate sustainability into operations, client delivery, and reporting. At the same time, they must meet increasingly stringent regulatory requirements and responding to the expectations of clients, talent, and investors. 

From Scope 1, 2, and 3 emissions measurement and supply chain transparency to CSRD obligations, workforce sustainability, and growing client demand for credible ESG advisory capability, the sector faces a fundamental shift in how sustainability is embedded across business operations and service delivery. 

We help professional services firms embed sustainability into operations, governance, and client delivery. The focus is on achieving measurable impact while improving regulatory compliance, managing risk, and strengthening long-term competitive positioning. 

Advisory & Consulting

(Management consulting, strategy, transformation, and specialist advisory) 

Building credible internal sustainability capability and embedding ESG into client advisory services to meet regulatory obligations and respond to growing client demand. 

Advisory and consulting firms face a dual challenge: meeting their own sustainability obligations while responding to growing client demand for robust, credible ESG advisory support. The expectations of clients, regulators, and talent are converging, creating both a compliance imperative and a significant commercial opportunity. 

We support organisations to: 

  • Measure and manage operational Scope 1, 2, and 3 emissions across business travel, supply chains, and facilities 
  • Develop credible net zero commitments and science-based targets aligned to SBTi 
  • Conduct double materiality assessments to identify sustainability topics relevant to the business and its stakeholders 
  • Build internal ESG frameworks, governance, and reporting processes aligned to CSRD 
  • Strengthen sustainability capability and upskill teams to support client advisory mandates 
  • Deliver robust ESG reporting aligned to CSRD, ISSB, TCFD, and client disclosure requirements 

Legal Services

(Law firms and in-house legal teams) 

Embedding sustainability into governance, operations, and legal advisory services while managing complex regulatory obligations and growing client expectations. 

Law firms face growing pressure from clients, regulators, and talent to demonstrate credible sustainability performance, while also advising on an increasingly complex and rapidly evolving landscape of ESG regulation, climate litigation risk, and sustainability-related legal obligations across jurisdictions. 

We support organisations to: 

  • Measure operational Scope 1, 2, and 3 emissions and develop credible reduction strategies 
  • Conduct double materiality assessments aligned to ESRS and CSRD requirements 
  • Build robust ESG governance, reporting, and disclosure frameworks for regulatory compliance 
  • Assess and manage sustainability risks in supply chains, facilities, and business operations 
  • Develop internal sustainability knowledge and capability to support client advisory work 
  • Support regulatory change management as CSRD, ISSB, and sector-specific requirements evolve 

Accountancy & Professional Regulated Services

(Audit, tax, and accountancy practices, and other regulated professional services) 

Integrating sustainability into governance, reporting, and client services while building the assurance and advisory capability the market increasingly demands. 

Accountancy and regulated professional services firms face a distinctive set of sustainability pressures, from meeting their own CSRD and regulatory disclosure obligations, to developing the assurance and advisory capability needed to support clients navigating complex ESG reporting requirements. The growing demand for sustainability assurance is creating both an obligation and a significant market opportunity. 

We support organisations to: 

  • Measure and manage operational emissions and develop credible net zero strategies 
  • Conduct double materiality assessments aligned to CSRD and ESRS requirements 
  • Build robust sustainability reporting and disclosure frameworks ready for audit and assurance 
  • Develop internal ESG knowledge and tools to support client sustainability reporting and advisory mandates 
  • Strengthen governance and board-level oversight of sustainability risks and opportunities 
  • Stay ahead of evolving CSRD, ISSB, and sector-specific reporting and assurance requirements 

Key sustainability questions shaping the sector

Professional services firms face a dual sustainability challenge, demonstrating their own performance while building the capability to serve an increasingly sustainability-conscious client base. Key questions shaping the sector include: 

  • How do we accurately measure and manage our Scope 3 emissions across business travel, supply chains, and client-related activities? 
  • How can we develop a credible net zero strategy that is both ambitious and achievable for a services business? 
  • How do we conduct a double materiality assessment that meets the rigour of CSRD and ESRS requirements? 
  • How can we build sustainability capability that strengthens our client offering and differentiates the firm? 
  • How do we stay ahead of evolving ESG regulations across multiple jurisdictions? 

We help professional services firms answer these questions with clear, connected, and decision-useful insights that support both sustainability performance and long-term competitive resilience.

Need support with your sustainability challenges?

Get in touch to arrange an initial discussion with one of our senior advisers.

Acclaro Advisory
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