Lythouse Logo
Register Now for Launch of our ESG platform, explore the ESG trends for 2024.

Home » Blog » Sustainability » International Sustainability Standards Board (ISSB): Your Guide to Compliance

International Sustainability Standards Board (ISSB): Your Guide to Compliance

International Sustainability Standards Board (ISSB): Your Guide to Compliance

The ISSB (International Sustainability Standards Board) is revolutionizing global sustainability reporting by providing comprehensive standards that ensure consistent and reliable disclosures. Understanding the ISSB, particularly the key components of IFRS S1 and IFRS S2, is crucial for businesses aiming for compliance. Preparing for ISSB compliance involves assessing current practices, building internal capacity, and enhancing data collection and governance frameworks. The ISSB also offers scalable solutions, such as the proportionality principle, phased implementation, sector-specific guidance, and robust support resources, making sustainability reporting accessible for businesses of all sizes.

What are ISSB standards? An in-depth analysis

The International Sustainability Standards Board (ISSB) is pivotal in establishing global sustainability reporting standards that ensure consistent, comparable, and reliable disclosures across companies. The ISSB standards aim to address the increasing demands from investors and stakeholders for transparent and accountable sustainability-related financial information. These standards focus particularly on climate-related disclosures, emphasizing the integration of sustainability issues into mainstream financial reporting.

The ISSB has developed two key standards: IFRS S1 and IFRS S2, each serving distinct purposes within the sustainability reporting framework:

  1. IFRS S1 – General Requirements for Disclosure of Sustainability-related Financial Information: This standard sets out the overall requirements for an entity’s disclosure of sustainability-related financial information. It aims to provide a holistic view of the company’s sustainability performance, ensuring comprehensive disclosure of all significant sustainability risks and opportunities that could impact financial performance. IFRS S1 requires companies to disclose key sustainability metrics, management’s governance of sustainability issues, and the integration of sustainability considerations into strategic planning and risk management processes.
  2. IFRS S2 – Climate-related Disclosures: Dedicated to climate-related financial disclosures, IFRS S2 builds on the recommendations of the Task Force on Climate-related Financial Disclosures (TCFD). It requires companies to provide detailed disclosures on their exposure to climate-related risks and opportunities, including the impact on their financial position and performance. IFRS S2 mandates reporting on specific areas such as governance, strategy, risk management, and metrics and targets related to climate change, ensuring that the information is detailed, sector-specific, and useful for investors.

Key defining features of ISSB standards include:

  • Consistency and Comparability: By establishing a unified set of standards, ISSB facilitates the consistency and comparability of sustainability-related financial information, enabling investors to make informed decisions.
  • Investor-Focused: The standards are designed with the needs of investors in mind, emphasizing material information that could influence investment decisions.
  • Integration with Financial Reporting: ISSB standards promote the integration of sustainability-related information with traditional financial reporting, reflecting the growing recognition of the importance of environmental, social, and governance (ESG) factors.

Overall, the adoption of ISSB standards is expected to lead to enhanced transparency and accountability in corporate sustainability reporting, driving better decision-making processes and contributing to a more sustainable global economy. As businesses navigate the implementation of these standards, they will need to ensure that their sustainability-related disclosures are rigorous, relevant, and aligned with the expectations of their stakeholders.

The key components of IFRS S1 and IFRS S2

The key components of IFRS S1 and IFRS S2 are integral to understanding how companies must report their sustainability-related financial information. Each standard outlines specific requirements that companies need to meet to ensure comprehensive and transparent disclosures.

IFRS S1 – General Requirements for Disclosure of Sustainability-related Financial Information:

IFRS S1 provides a broad framework for sustainability reporting, addressing the disclosure of significant sustainability risks and opportunities that impact a company’s financial performance. The key components of IFRS S1 include:

  1. Scope: IFRS S1 applies to all sustainability-related financial information that is material to investors, irrespective of the specific sustainability issue.
  2. General Disclosures: Companies must provide information on how sustainability matters influence their strategy, business model, and overall risk profile.
  3. Specific Disclosures: Entities are required to disclose their governance processes, risk management frameworks, and the metrics and targets used to assess and manage sustainability-related risks and opportunities.
  4. Strategic Integration: Information on how sustainability issues are integrated into the entity’s strategic planning, management processes, and performance measurement must be included.
  5. Comparability and Consistency: Ensuring that disclosed information is comparable over time and consistent across companies is a critical requirement, aiding stakeholder analysis and decision-making.

IFRS S2 – Climate-related Disclosures:

IFRS S2 focuses specifically on climate-related financial disclosures, building upon established frameworks such as the TCFD. The core components of IFRS S2 are structured to ensure detailed and actionable information related to climate risks and opportunities:

  1. Governance: Disclosures must include details on the organization’s governance around climate-related risks and opportunities, specifying the roles of the board and management.
  2. Strategy: Companies need to articulate the actual and potential impacts of climate-related risks and opportunities on their businesses, strategies, and financial planning. This section should cover short, medium, and long-term impacts.
  3. Risk Management: Entities must disclose processes for identifying, assessing, and managing climate-related risks. This includes integration with the overall risk management framework.
  4. Metrics and Targets: Companies are required to provide metrics and targets used to manage climate-related risks and opportunities. This includes disclosing Scope 1, Scope 2, and, where appropriate, Scope 3 greenhouse gas (GHG) emissions, and how these metrics are integrated into the risk management process.
  5. Scenario Analysis: Organizations should include information on the resilience of their strategies considering different climate-related scenarios, including a 2°C or lower scenario.

By adhering to the key components of IFRS S1 and IFRS S2, companies can provide comprehensive and actionable sustainability-related disclosures that meet the informational needs of investors and contribute to a more transparent and sustainable global financial system.

Preparing your business for ISSB compliance

Preparing your business for ISSB compliance involves a multifaceted approach to ensure that all necessary systems, processes, and practices are in place to meet the stringent reporting requirements. Here’s a roadmap to guide businesses through this transition:

1. Assess Current Reporting Practices:

Begin by evaluating your current sustainability and financial reporting practices to identify gaps relative to ISSB standards. This involves:

  • Conducting a comprehensive review of existing sustainability reports and disclosures.
  • Comparing current practices with ISSB requirements to pinpoint areas needing enhancement.

2. Build Internal Capacity:

Prepare your team to handle the complexities of ISSB compliance by investing in training and development. Key actions include:

  • Conducting training sessions on ISSB standards for relevant staff.
  • Hiring or consulting with experts in sustainability reporting to guide the process.

3. Develop Robust Data Collection Systems:

Effective ISSB compliance relies heavily on the accuracy and reliability of collected data. Establishing or upgrading data collection systems involves:

  • Implementing integrated data management systems to track sustainability and financial metrics.
  • Ensuring rigorous data verification and validation processes are in place.

4. Enhance Governance Frameworks:

Strong governance structures are essential for overseeing sustainability reporting. Steps to enhance governance include:

  • Assigning clear responsibilities and oversight functions to boards and management for sustainability reporting.
  • Establishing dedicated committees or task forces focused on sustainability issues.

5. Strategic Integration:

Sustainability considerations should be integrated into the overall business strategy. This can be achieved by:

  • Aligning sustainability goals with corporate strategy and business objectives.
  • Incorporating sustainability risks and opportunities into enterprise risk management (ERM) frameworks.

6. Stakeholder Engagement:

Proactive engagement with stakeholders ensures that the reported information meets their needs and expectations. Actions include:

  • Engaging with investors, customers, and other stakeholders to understand their expectations and informational needs.
  • Communicating transparently about your business’s sustainability initiatives and progress.

7. Continuous Improvement:

Finally, fostering a culture of continuous improvement ensures that your business stays ahead in sustainability reporting. This involves:

  • Regularly reviewing and updating sustainability practices and disclosures.
  • Keeping abreast of evolving ISSB standards and sustainability trends.

By following these steps, businesses can systematically prepare for ISSB compliance, enhancing transparency, fostering stakeholder trust, and contributing to a sustainable future.

Scalable solutions provided by ISSB

The International Sustainability Standards Board (ISSB) recognizes that businesses vary widely in size, capacity, and resources. To address this diversity, the ISSB provides scalable solutions for sustainability reporting, ensuring that companies of all sizes can comply with the standards without undue burden. These scalable solutions are particularly beneficial for small and medium-sized enterprises (SMEs) that may lack the extensive resources of larger corporations. Here’s how the ISSB’s scalable solutions support businesses:

1. Proportionality Principle:

The ISSB applies the proportionality principle, which allows businesses to tailor their reporting efforts based on their size, industry, and specific circumstances. Key aspects include:

  • Allowing smaller entities to adopt simplified reporting frameworks that focus on the most material sustainability issues.
  • Providing guidance on prioritizing disclosures, so companies can focus on critical areas first.

2. Phased Implementation:

The ISSB offers a phased approach to implementation, enabling businesses to gradually comply with the standards over time. This involves:

  • Setting out clear timelines for adopting different aspects of the standards, allowing businesses to build their capabilities incrementally.
  • Offering transitional provisions that give companies additional time to develop necessary processes and systems.

3. Sector-Specific Guidance:

Recognizing the unique sustainability challenges faced by different industries, the ISSB provides sector-specific guidance to help businesses with tailored implementation. This includes:

  • Publishing industry-specific reporting requirements and benchmarks to ensure relevance and applicability.
  • Developing sectoral templates and tools to simplify the reporting process for companies within specific sectors.

4. Support and Resources:

The ISSB offers extensive support and resources to assist businesses in their reporting journey. These resources include:

  • Guidance documents, manuals, and best practice examples to help companies understand and apply the standards.
  • Webinars, workshops, and training programs to build internal capacity and knowledge on ISSB compliance.

5. Technological Solutions:

Leveraging technology to streamline reporting, the ISSB provides digital tools and platforms that facilitate data collection, management, and reporting. This involves:

  • Developing user-friendly software solutions that integrate with existing business systems for efficient data handling.
  • Offering cloud-based platforms that support real-time reporting and analytics, making the compliance process more dynamic and accessible.

6. Collaboration and Partnerships:

Encouraging collaboration and partnerships, the ISSB fosters a network of organizations that can share best practices and insights. This includes:

  • Facilitating industry forums and working groups where businesses can discuss challenges and solutions.
  • Partnering with financial and sustainability experts to provide additional guidance and support.

Through these scalable solutions, the ISSB ensures that sustainability reporting is feasible and effective for businesses of all sizes, enabling a more inclusive and comprehensive approach to sustainability disclosure.


In conclusion, the ISSB is setting new benchmarks in sustainability reporting, offering comprehensive standards through IFRS S1 and IFRS S2 that emphasize transparency and integration. Preparing for ISSB compliance involves thorough assessment, capacity building, and enhanced data systems. The ISSB’s scalable solutions, including sector-specific guidance and technological tools, ensure that businesses of all sizes can adopt these standards effectively. By embracing these practices, businesses can enhance their sustainability disclosures, meet investor expectations, and contribute to a more transparent and sustainable global economy. This transformative approach underscores the pivotal role of consistent and reliable reporting in driving sustainable growth.

How we can help

Lythouse facilitates seamless ISSB compliance through its comprehensive ESG platform, ensuring businesses meet global sustainability standards efficiently. The platform’s Carbon Analyzer precisely measures Scope 1, 2, and 3 emissions using AI-powered classification, guaranteeing data accuracy and compliance. The Goal Navigator helps companies set, track, and achieve sustainability goals, aligning with frameworks like UNSDG and SBTi. ESG Reporting Studio streamlines adherence to diverse reporting standards, automating report preparation and ensuring regulatory compliance. Additionally, the Green Supplier Network simplifies Scope 3 emissions tracking, enhancing data accuracy and supplier collaboration. These tools collectively support businesses in achieving transparent and reliable sustainability reporting goals.


For everyday updates, subscribe here.