Practical compliance solutions for US companies navigating state regulation and global value-chain requirements.
RSustain helps mid-market companies turn fragmented sustainability obligations into implementable data, controls and action plans.
US sustainability obligations are multiplying
Seven states have enacted packaging EPR laws with active registration deadlines. California climate disclosure reporting begins in 2026. Illinois has new environmental requirements for data-centre operators. EU customers are sending CBAM and CSRD questionnaires to US suppliers. Most mid-market companies have no roadmap for any of it.
Four priority solutions for the US market
Multi-State Packaging EPR Readiness
Applicability screening, registration support, and reporting-data preparation across seven enacted US states.
Learn more 02 / Climate DisclosureClimate Disclosure & Assurance Readiness
California SB 253 readiness — GHG inventory development, evidence management, and pre-assurance gap assessment.
Learn more 03 / Value ChainUS–EU Value-Chain Compliance
CBAM exposure screening, product-carbon data readiness, and EU customer sustainability questionnaire support for US exporters.
Learn more 04 / IllinoisIllinois Environmental Readiness
Permit-applicability screening, backup-generator emissions assessment, and environmental compliance registers for industrial and data-centre operators.
Learn moreBuilt for the companies that need it most
Facing new state sustainability requirements without dedicated compliance teams.
Affected by state packaging EPR registration, reporting, and fee obligations.
Subject to SB 253 climate disclosure requirements based on revenue threshold.
Responding to CBAM data requests and CSRD value-chain questionnaires from European customers.
Navigating Illinois CRGA backup-generator standards and environmental permit requirements.
Companies building the data, controls, and evidence that independent assurance providers will test.
From screening to readiness in four steps
Applicability Screening
Determine which regulations apply, which entities are in scope, and what data is needed.
Gap Analysis
Assess current data, controls, and processes against regulatory requirements.
Implementation
Build data architecture, collection templates, calculation methods, and evidence registers.
Evidence & Readiness
Prepare management review packs, pre-assurance documentation, and remediation roadmaps.
What sets us apart
International experience, US focus
We translate experience across 14 jurisdictions into practical US regulatory readiness — without the overhead of a Big Four engagement.
Data and evidence, not just strategy
Every engagement produces implementable tools: compliance registers, data templates, calculation methods, and evidence files — not just a report.
Training built into delivery
Our advisory work includes role-specific training and templates so your team can operate independently after the engagement.
Part of the RSustain Group
Five entities across four countries — united by shared methodology, tools, and quality standards.