GPSNR Assurance System – Assessment Service Provider Application

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JANUARY 2026 

ISSUED BY 
Global Platform for Sustainable Natural Rubber 

Introduction & Background 
The Global Platform for Sustainable Natural Rubber (GPSNR) is an international, multi-stakeholder, voluntary membership initiative seeking to lead improvements in the socioeconomic and environmental performance of the natural rubber value chain. Members of the platform include tire manufacturers, rubber suppliers and processors, vehicle makers and NGOs. Representatives from each of these stakeholder groups have contributed to the development of the Singapore-based platform and the wide-reaching set of priorities that will define strategy and objectives 

The GPSNR Assurance System, designed by Assurance Services International (ASI) and for GPSNR members, is a risk-based framework that supports credible and independent assurance processes. It enables companies to identify and mitigate human rights and environmental risks within their supply chains, undergo third-party verification, and report transparently on their progress through credible claims. The details of which can be found at this link. 

The Engagement 
The GPSNR Secretariat is seeking qualified organizations and individual professionals to become GPSNR Assessment Service Providers (ASPs). Approved ASPs will conduct impartial and independent third-party assessments in accordance with GPSNR’s procedures and requirements. 

Selected ASPs will be responsible for delivering independent assurance assessments for GPSNR member companies, following GPSNR’s approved Assurance System methodologies and procedures. The engagement includes participation in GPSNR training and oversight processes, adherence to the GPSNR Assurance Service Provider Agreement, and maintenance of competence and impartiality throughout the duration of approval. 

Training for pre-approved ASPs is expected to commence in the first quarter of 2026, with assessments scheduled to begin thereafter upon completion of training and formal approval. 

GPSNR welcomes applications from qualified organizations or individuals who:

• Are legally registered and in good standing; 
• Have demonstrable experience in sustainability assurance, auditing, or related compliance assessments; 
• Can maintain independence, integrity, and confidentiality in delivering assessment services; and 
• Are willing to undergo GPSNR’s approval and oversight process. 

Applicants may include individual contractors, small-sized ASPs (with 5 or fewer full-time equivalent personnel), or large-sized ASPs (with more than 5 full-time equivalent personnel). 

Submission Guidelines & Requirements
The following submission guidelines & requirements apply: 

  1. Applications will be considered only from individuals or organizations with experience relevant to this project.

  2. All applicants (individuals or organisations) are required to list the individual(s) applying to be approved as an Assessment Service Provider.

  3. Applicants must provide evidence of previous relevant work or experience, along with any other required supporting documents.

  4. Applicants must confirm that they have read and agree to the GPSNR ASP Agreement Terms and Conditions.

  5. Applications must be signed by an authorized representative.

  6. Applications will only be considered upon receipt of the non-refundable application fee. An invoice will be issued and must be paid within 30 days of issuance. Further details are provided in the fee schedule.

  7. More detailed guidance and supporting information about GPSNR procedures, assessment methodology, and training will be provided to applicants who successfully pass the pre-approval stage of the application process.

  8. Applications must be received prior to the 27th of February 2026 to be considered. Applications should be submitted to natalie.low@gpsnr.org for consideration.  

Project Timelines 

Submission of application and supporting documents to natalie.low@gpsnr.org 

February 27, 2026 

Selection and desk review of pre-approved applications 

Commencing upon receipt of applications and continuing through early March 2026 

Training of pre-approved ASP applicants 

March 2026 

Final approval of ASPs and publication 

March 31, 2026 

Start of GPSNR member selection and contract signing with approved ASPs 

April 2026 


Evaluation Factors 

GPSNR will evaluate applicants based on the following factors: 

  1. Responsiveness to the requirements set forth

  2. Relevant past performance/ experience

  3. Provision of relevant documents

  4. Technical expertise/experience  

Download ASP application form here: 

Download ASP agreement terms and conditions here: 

Download Assurance assessment workflow here: 

More To Explore

News

PRESS RELEASE: Natural Rubber players adopt policies committed to healthy ecosystems and human rights

Singapore, 24 September 2021: Apollo Tyres, Bridgestone, Continental Tires, Goodyear Tire and Rubber Company, Hankook Tire & Technology, Kumho Tires, Michelin, Nokian Tyres, Pirelli, Sumitomo Rubber Industries, the Toyo Tire Group and the Yokohama Rubber Co. Ltd. are the first companies to have adopted natural rubber policies that are fully aligned with the policy framework of the Global Platform for Sustainable Natural Rubber (GPSNR). 

As members of GPSNR, their policies include eight major components: commitment to legal compliance, healthy functioning ecosystems, respecting human rights, community livelihoods, increased production efficiency, supply chain assessment and traceability, monitoring & reporting and driving effective implementation of all these components. According to Sooil Lee, President and CEO of Hankook Tire & Technology, ‘’Together with our supply chain partners, these commitments will help improve the quality of life of the natural rubber cultivators, upgrade quality of natural rubber and minimize environmental impact.’’ 

For Michelin’s Natural Rubber Sustainability Manager Edouard De-Rostolan, ‘’the alignment of commitments among GPSNR members, particularly with regard to the risk-based approach and the continuous improvement model, is a key driver for the platform to fulfill its primary mission, which is to create impacts on the ground in order to enhance the sustainability of the industry as a whole.’’ Pirelli’s Natural Rubber Procurement and Sustainability Manager Ulrich Antoni shared the sentiment, ‘’It’s great to see that more and more GPSNR members have aligned their policies to the GPSNR Policy framework. With the coordinated and concerted effort of GPSNR and all members, the natural rubber industry is directing individual and joint actions towards our shared goals for a sustainable natural rubber future. Pirelli will continue to take a proactive role in the platform and cascade good practices throughout the supply chain, with the ultimate goal of having an impact at the farming level too.’’

The commitment from these tire makers and their active participation within GPSNR reflects on their intent towards implementation.  ‘’In cooperation with the GPSNR Secretariat and stakeholders, we will sincerely implement these policies through our business activities,’’ says Toyo Tires’ Mitch Tamaki. 

To make sure that companies have adequate support to implement these commitments, GPSNR is working on an implementation guidance document and baseline reporting requirements. These will help translate this commitment into implementation. 

‘’All GPSNR members are required to align with the policy framework, and it is heartening to see companies follow through with the process. We are expecting many others to follow suit in the next few weeks.’’ says GPSNR Platform Director Stefano Savi. ‘’The policies serve as a foundation for a structural transformation not just for one company or rubber plantation, but the industry as a whole.’’

The GPSNR policy framework and published policies of  Continental Tires, Hankook Tire & Technology, Michelin, Nokian Tyres, Pirelli, Sumitomo Rubber Industries, the Toyo Tire Group and Yokohama Rubber can be found here. The rest of the policies will be published shortly. 

-Ends-

About GPSNR:  

GPSNR is an international membership driven platform set up to define sustainability for the natural rubber value chain. It brings together various stakeholders to a common ground based on fairness, equity and environmental sustainability. GPSNR member companies account for almost 50 per cent of the global natural rubber volume.  

More on sustainablenaturalrubber.org 

For more information, please contact: 

Bani Bains 

Communications Manager 

Email: bani.bains@gpsnr.org 

Ph: +65 97268165

News

GPSNR Working Groups Update: May 2021

It’s been a busy few months for all the working groups! Here are some of their key updates.

Strategy and Objectives Working Group

In April 2021, the Strategy and Objectives working group completed a significant piece of work by finalising the Desired State Document. This month, the group has received ten key recommendations on equity from the Equity Sub-working group. 

These include integrating equity-centric Principles, Practices and Priorities across GPSNR’s procedures and work programs and recommending member companies to do the same. You can find all the recommendations here

These recommendations go beyond the work of the group itself and cover the role of equity in most GPSNR interventions. 

Proforest with Liza Murphy have also submitted the second draft of the Environmental Risk Assessment of Natural Rubber Production and Production and Processing to the group. 

Smallholder Representation Working Group 

Since August 2020, the smallholder onboarding process has been integrating smallholders into GPSNR’s structures and functions.  This month, the smallholder working group conducted a r satisfaction survey for the 28 smallholders within GPSNR to assess the successes and challenges of the smallholder onboarding process. 

Of the 28 smallholders at GPSNR, 16 responded to the survey. While structural issues like the digital divide, access to technology and language barriers are causes for concern in smallholder engagement, the survey results were encouraging. 

15 out of 16 smallholders responded positively on being asked if they better understood GPSNR’s aims after the onboarding process. They also offered plenty of constructive feedback to improve the onboarding experience for future members. These include improving communications and information sharing, clearer rules and organisational goals, and ways to enhance smallholder engagement on the platform.  However, the information that remains unclear for a majority of the respondents centers around the rules of membership and goals of the smallholder representation working group. These will be addressed in the new onboarding programmes that the working group is developing.

The group has also reached out to Thai farmer associations to recruit new members from Thailand, and is also preparing for a workshop to recruit smallholders in Cambodia. At the same time, the group continues to seek responses from the smallholders who haven’t yet completed the survey. 

Policy Toolbox Working Group 

After receiving some strong proposals for the development of guidance for the Compliance Panel operations, the Policy Toolbox working group is now reviewing these and will have a finalist in the coming few weeks. 

For context, GPSNR Statutes mandate the creation of an independent Compliance Panel to  ensure that members conform with Statutes, Code of Conduct, decisions, standards and processes, and make recommendations to the GPSNR Executive Committee. 

After an extensive selection process, the group has also chosen ZSL to work on the Reporting Requirements development as they have significant experience in similar projects. Simultaneously, they have completed the first round of focus group calls and surveys for the development of the implementation guidance. 

Capacity Building Working Group 

After presenting a funding mechanism of capacity building projects to the Executive Committee earlier this month, the Funding Taskforce in the Capacity Building working group has finalised the process and will be broadcasting it to all members in July 2021. 

This funding mechanism is a temporary measure which will support GPSNR’s capacity building initiatives while the larger funding model is finalised.

At the same time, the Good Agricultural Practices (GAP) taskforce has finalised GPSNR’s GAP principles. 

Traceability and Transparency Working Group

The group has put together a draft input on the Implementation Guidance from a traceability perspective this month. 

After conducting discussions on traceability and data requirements for GPSNR, this is also developing data collection and reporting standards together with the Policy Toolbox working group.

Shared Responsibility Working Group

Having finalised the Implementation Framework for Shared Responsibility, the group has finalised a first round discussion of the problem statements for the natural rubber supply chain. 

This has allowed the group to identify the causal pathways and root causes of the issues affecting shared responsibility investment, supply chain data transparency and reinforcing sustainable supply chains (key focus areas for the group). With this step completed, the group is now looking at proposing solutions for these issues that GPSNR can implement. This first draft of solutions will be soon shared with the different categories members for an initial informal consultation.

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