Knowledge centre
Discover how demonstrating your sustainability credentials could present opportunities for your firm.
Find out more
Sustainability refers to a business's ability to meet its current needs without compromising the needs of future generations. To achieve this, a firm’s practices can be assessed against the three core pillars of sustainability: Environmental, Social, and Governance, or ESG for short, to measure the sustainability and social impact of these. These three core pillars cover a range of areas, including environmental impact, employment practices, and accounting practices. Sustainability considerations have become increasingly important for investors in looking to align their investments with their core values.
Embracing the sustainability principle, through consideration of the 3 core pillars, goes beyond meeting compliance requirements; it’s about building a firm that thrives in a changing world while making a positive impact.
Adopting a sustainability framework provides numerous benefits for accountancy businesses, their clients and stakeholders.
A strong sustainability strategy positions businesses as leaders in innovation and responsibility, appealing to modern markets whilst driving-long term resilience.
Sustainability has become an important consideration for many companies and organisations. Offering expertise in this area can be a competitive advantage.
The demand for sustainability services is increasing as more companies and organisations recognise the importance of integrating sustainability into their operations and reporting.
Being seen as a leader in sustainability can enhance your reputation among clients, peers, and the wider community. This can lead to increased visibility and growth opportunities.
Integrating sustainability into the running of your practice can help with operational efficiency. Initiatives such as energy efficiency and waste reduction can save costs.
Governments and industry bodies are introducing sustainability-related regulations to drive responsible business practices and improve transparency in reporting.
Sustainability practices prepare businesses to navigate future challenges and evolving regulatory landscapes. A strong commitment appeals to top talent seeking purposeful careers.
NEW
Our Manual Package provides programmes, documents, and guidance for assurance engagements under ISSA 5000 and IESSA (including International Independence Standards).
Coming Soon
Our Sustainability Assurance Manual provides you with all the programmes, documents and guidance needed to undertake a sustainability assurance engagement
Coming Soon
Our Sustainability Assurance Manual provides you with all the programmes, documents and guidance needed to undertake a sustainability assurance engagement
Training
In this one-hour webinar, you will gain an introductory understanding of ESG from an accounting and tax perspective in the UK.
Training
Gain a better understand the implications of recent changes in ESG legislation and practices from an accounting and assurance perspective in the UK.
Training
An overview of the main UK tax legislation and reporting requirements from an Environmental, Social and Governance perspective.
Training
Our team of ESG experts can tailor a session to meet your firms requirements, our in-house training can be booked as a one-off course or a structured programme of courses to fit your needs.
Mercia is the proud winner of the ‘ESG/Sustainability Initiative of the Year’ in recognition of our groundbreaking Sustainability Assurance Manual (International).
Governance
The government has commenced a consultation process around the proposed adoption of a UK Sustainability Reporting Regulation (UK SRS), seeking the views of stakeholders.
Sustainability
We were very proud to walk away from the International Accounting Awards 2025 as award winners.
Governance
The Financial Reporting Council (FRC) has announced its consultation on a proposed UK version of the International Standard on Sustainability Assurance 5000.
Governance
Companies of all sizes must consider sustainability requirements in their financial reports even if they haven’t yet been mandated to do so.
Governance
FRC has recently conducted an in-depth market study on sustainability reporting and assurance, this article reviews the key findings
Governance
Understand how IAASB approval of ISSA 5000 impacts global practitioners who will provide assurance services in this growing market.
Governance
The Financial Reporting Council (FRC) has recently published initial feedback on its market study into assurance of sustainability reporting to give insight on this market in the UK.
Governance
The International Auditing and Assurance Standards Board (IAASB) announced the approval of International Standard on Sustainability Assurance 5000 (ISSA 5000) on 20 September.
Governance
Work on new sustainability legislation and potential reporting requirements for the UK can now begin, following the appointment of Sustainability Technical Advisory committee Chair.
Sustainability is at the heart of how we work. We focus on four key pillars; cultural positivity, customer empowerment, proactive assurance, and environmental responsibility.
Discover how Mercia and Wilmington plc use these key pillars to guide our decisions and refect our values to help build a better future through responsible business practices.
