For SCG, sustainability in the supply chain from upstream to downstream is essential to its sustainable business operations. Therefore, it creates supplier management towards sustainable value. SCG intends to the selection process of suppliers with the capacity to conduct business ethically, with professionalism and preparedness to adapt to changes that impact sustainability under the risk management plan. We also value co-generation of opportunity with our suppliers, under an efficient assessment program. 


  • 95% of the procurement spend comes from suppliers who commit to comply with Supplier Code of Conduct by 2023. 
  • 100% of supplier in procurement spend over million baht processed through the annual Environmental, Social, and Governance (ESG) assessment
  • 100% of operation contractors certified under SCG Contractor Safety Certification every year from 2012 onwards.  


1. Select and assess suppliers with the capability for sustainable business 

Select suppliers on the basis of commitment to comply with SCG Supplier Code of Conduct, and capacity for sustainable business. Conduct for assessment and certification of suppliers annually and continuously in order to mitigate risk in the supply chain. 

2. Assess risks and classify suppliers into groups 

Conduct spend analysis and business risk assessment, taking into account Environmental, Social and Governance (ESG) factors. Prioritize risks that may affect SCG business. The results are then used to classify suppliers and frame a strategy and supplier development plan corresponding with the risk. 

 3. Develop supplier’s capability towards sustainability 

Organize and plan a development program aligned with the risk, while seeking to strengthen the supplier’s competitiveness to facilitate their grow alongside SCG. 

 4. Raise awareness, knowledge and people’s competency 

Establish a Procurement Sub Academy Steering Committee to enhance the knowledge and competency of employees. Share knowledge, information, operational guidelines with procurement entities in both public and private sectors with an emphasis on procurement and sustainability. This is to ensure that our people work effectively in line with targets. 

Supplier Risk Assessment and Segmentation 

SCG conducts assessment of supply chain risk management on an annual basis. The supplier segmentation is align with risk and significance by applying an enterprise risk management framework and spend analysis with increase clarity in considering factors impact to business to classify Critical Supplier and incorporating details on Environmental, Social and Governance (ESG) risk factors to identify High Potential Sustainability Risk Supplier. To ensure effectiveness of supplier management, SCG conducts various approaches such as Diversified Source of Supply, Supplier Assessment, Corrective Action by providing supplier advice to improve their work processes to in line with Green Industry standards (Go Green Together) as well as Supplier Development for Sustainability Program with Focused Suppliers or potential suppliers who have capacity and commit to work and grow sustainably with SCG. 

Supplier Segmentation 4 Groups 

Critical suppliers refer to manufacturers and distributors of products and services that are significant to SCG’s business operations, such as high purchasing volume, critical component, or non-subsumable products. 

Critical Supplier is considered on the basis of: 

  1. High Volume. (High Volume purchase classification is defined by individual business unit/company) and/or 
  2. Critical Component. The supplier sells products/services that are critical to the production processes or business and/or 
  3. Non-Substitutable/ Oligopoly/ OEM 
  4. Non-Substitutable: Any suppliers that sell products/services that cannot be sourced elsewhere/other suppliers cannot substitute 
  5. Oligopoly: suppliers deal in products/services where there are very few players 
  6. OEM (Original Equipment Manufacturer): suppliers are commissioned to make products labelled House Brand/Private Brand 

High Potential Sustainability (ESG) Risk Suppliers refer to manufacturers and distributors that are likely to cause negative impacts from their improper operations in the social (e.g. human rights, employee and labor care), environment (e.g. waste management) and governance (e.g. legal compliance) aspects. 

High Potential Sustainability (ESG) Risk Supplier is considered on the basis of: 

  1. Severity Rating ranks severity of supplier’s impact in three levels: low, medium and high risk, in tandem with ESG criteria. 
    • Environmental Risk. For instance, on water management, waste, energy, chemicals, air pollution, Green House Gas emission, efficient resource use 
    • Social Risk. These include labor practice (use of child labor, forced labor), human rights, health, safety, complaints, non-compliance with relevant laws and regulation. 
    • Business/Governance Risk. Legal compliance, corporate image, and compliance with permit/license. 
  2. Likelihood Rating. This will consider likelihood at three levels: low, medium and high while taking into consideration risk control measures. 

Example of Risk Assessment Metric 

Supplier Segmentation 

Apply the result of Spend Analysis and Supplier Assessment for Supplier Segmentation, to manage suppliers efficiently, and aligned with materiality and risk. 

  • Critical Supplier. Perform audit and plan risk management 
  • High Potential Sustainability (ESG) Risk Supplier. Conduct Supplier Assessment, along with planning of long-term collaboration to enhance the suppliers’ capability. 
  • General Supplier. Supplier is a signatory to SCG Supplier Code of Conduct. Or the supplier has an existing business code of conduct/regulations/business guideline that is compatible with SCG Supplier Code of Conduct. 
  • Focused or High Opportunity Supplier. One should weigh in opportunity to collaborate in developing products or services, by co-planning with the supplier for co-generation of new business opportunity 

Segmentation and Strategic Approach 

Supplier Segmentation & Strategic Approach 

SCG Sustainable Procurement Framework

SCG prioritizes supply chain management, by considering and managing risk across the entire supply chain- starting from the process of sourcing of raw materials, material and equipment used in production, transport, trading, delivery of products and services in order to respond to the customer’s needs and to prevent any impact upon the trust of customer and stakeholder.

The Sustainable Procurement Framework has been established and applied by all companies under SCG operation. It consists of 4 components which are commitment, procurement process, measurement, reporting and communication. Critical Supplier, High Potential Sustainability (ESG) Risk Supplier, General Supplier, Focused or High Opportunity Supplier, and *Critical Non-tier1 Supplier shall adapt the Sustainable Procurement Framework in place in their own supply chain management to ensure supply chain security and risk mitigation.

*Critical Non-tier 1 Supplier means suppliers who do not directly produce and distribute goods and services to SCG. However, they deal with products and services that are important to critical suppliers of SCG.

Supplier Capability Building

Highlight in 2022

To drive sustainable business practices throughout its supply chain and engaging with suppliers to promote ESG integration, SCG organized Supplier Day in November 2022 to sensitize and support ESG integration into suppliers’ business conduct operations by bringing together a diverse group of participants, including tier 1 supplier(20%); 31% suppliers with potential for collaboration and suppliers with ESG risk but with the potential to improve.

The event’s key contents, which include corporate governance and business ethics, climate change, and human rights, reflect the areas of sustainability that suppliers need to consider in their business operations. By emphasizing these topics, SCG is also encouraging them to take action and improve their sustainability performance, helping them to better understand the importance of ESG integration, and collaborating to enhance their capability for a more sustainable and resilient that can benefit their businesses over the long term.

For more Information about Supplier Management Towards Sustainable Value in Sustainability Report 2022


SCG Supplier Code of Conduct
SCG Procurement and Vendor Selection Policies and Guidelines
SCG Human Rights Expectation Letter
SCG Guidelines for Green Procurement