Forestry Service Accreditations and Certification Expertise
Our forestry services are delivered through a network of NSF-accredited companies, providing expert certification, auditing, assurance, and compliance solutions across the forestry sector.

NSF Certification, LLC is ISO/IEC 17065 accredited to certify to these standards:
- SFI 2015-2019 Standards and Rules, Section 4: Chain-of-Custody Standard
- SFI 2022 Standards and Rules, Section 4: Chain of Custody Standard
- SFI 2022 Standards and Rules, Section 5: Certified Sourcing Standard
- PEFC ST 2002:2020 Chain of Custody Standard
NSF International Strategic Registrations (NSF-ISR) is ISO/IEC 17021 accredited to certify to these standards:
- American Tree Farm System® (ATFS®) 2021 Standards of Sustainability
- American Tree Farm System (ATFS) 2021 Independently Managed Group (IMG) Certification Standard
- SFI 2022 Standards and Rules, Section 2: Forest Management
- SFI 2022 Standards and Rules, Section 3: Fiber Sourcing
- SFI 2022 Standards and Rules, Section 13: Optional Modules
- Small Lands Group Certification Module
- Small-Scale Forest Management Module for Indigenous Peoples and Families
In addition to our core forestry certification services, NSF offers integrated Sustainable Forestry Initiative® (SFI®) and Forest Stewardship Council® (FSC®) audits (FSC-N003091), delivering FSC certification services in association with Soil Association Certification Ltd. (FSC-A000525). While services may be provided by different accredited entities, we ensure a seamless customer experience through consistent quality, trusted technical expertise, and globally recognized accreditation standards.
How NSF Can Help You

What’s New with NSF

NSF Launches Independent Certification Standard for Compact Products
August 25, 2026New third-party certification verifies products cutting materials and shipping impacts while maintaining safety and performance.
CELSIUS® Products Earn NSF Certified for Sport® Certification
August 20, 2026CELSIUS® has earned NSF Certified for Sport® certification for select products, including the CELSIUS VIBES line, reinforcing the brand’s commitment to quality, transparency and consumer trust.
Thomas Vyles Honored With 2026 Walter F. Snyder Environmental Health Award
August 19, 2026The award honors Walter F. Snyder, co-founder and first executive director of NSF, and pioneers whose work advances environmental and public health.
NSF Hosts First External Review Panel for ‘NSF/KWTC 555’ with Key Asian Water Authorities
August 3, 2026Joint standard development gains momentum to enhance confidence in Asia’s water industry and advance drinking water safety.