Engineering Sustainability
That Survives the Audit
ESG consulting and environmental engineering that goes beyond reporting — we engineer, verify, and operationalise sustainability across 14 jurisdictions.
Your regulatory obligations are multiplying. We work across all of them.
Resilient Sustainance
Sustainability — using resources in a way that allows them to renew and continue without external input.
Resilience — the ability to recover from disruption by anticipating risks and building systems that adapt.
Resilient Sustainance — engineering both together so environmental performance is durable, verifiable, and built to last.
We are an ESG, sustainability, and climate advisory group — engineers, scientists, and field experts who don’t just plan, we execute. Across 5 entities in 4 countries, we engineer the environmental performance that survives the audit.
From air dispersion modelling and EIA to CSRD reporting, carbon verification, and AA1000 assurance — we cover the full lifecycle from site assessment to independent verification. And we build the digital tools so organisations can operate independently after we leave.
To accelerate the transition to a climate-resilient, equitable, and sustainable future — by making environmental performance a strategic advantage for every organisation.
We engineer
Environmental engineering, air/noise/water modelling, EIA, and site assessments — the technical foundation that makes compliance real.
We advise
ESG strategy, climate risk, multi-framework reporting, carbon management, and CSR — across 20+ frameworks and 14+ jurisdictions.
We verify
Independent assurance under AA1000, ISAE 3000, and ISSA 5000. GHG verification through GAB-accredited GSustain. ISEP accredited.
We build
6 platforms and 50+ tools — so organisations can operate independently after we leave the room.
Our Service Lines
Six integrated service lines spanning environmental engineering, specialist modelling, ESG advisory, corporate responsibility, water & waste, and regulatory compliance.
ESG & Climate Advisory
Materiality, strategy, climate risk, net-zero roadmaps, multi-framework reporting (GRI, CSRD, BRSR, ISSB), assurance preparation, ratings advisory, and green finance.
- ESG Strategy
- Climate & Carbon
- Assurance
- Ratings
Result: Audit-ready disclosures in 8–12 weeks
Explore →Environmental Engineering
ENVID workshops, QERA, EIA, Phase I/II site assessments (ASTM E1527/E1903), cleaner production audits, and environmental management plans.
- Engineering
- Cleaner Production
- Impact Assessment
- EMPs
Result: Permits secured, zero non-conformances
Explore →Environmental Modelling
Air dispersion (AERMOD, CALPUFF), noise (SoundPLAN), groundwater (MODFLOW, MIKE SHE), and marine modelling (MIKE 21) — regulatory-grade studies.
- Air Quality
- Noise
- Groundwater
- Feasibility
Result: Models accepted first submission
Explore →Corporate Social Responsibility
Companies Act 2013, Schedule VII strategy, CSR programme design and audit, impact assessment, NGO due diligence, and BRSR Section C.
- Programme Audit
- Social Impact
- CSR Reporting
- NGO Diligence
Result: Schedule VII compliance + measurable impact
Explore →Water & Waste Management
ZLD assessment, water balance audits, wastewater treatment, solid waste management, circular economy advisory — aligned to SDG 6.
- Water Audit
- Treatment Design
- O&M
- Circular Economy
Result: ZLD compliance, 30–60% freshwater reduction
Explore →Environmental Compliance
EC/CTE/CTO applications, Forest & CRZ clearances, CPCB/SPCB consent management, EPR registration, and regulatory monitoring.
- EC & CTE/CTO
- Forest & CRZ
- CPCB/SPCB
- EPR
Result: Clearances obtained, zero penalties
Explore →Ready to talk? Let’s scope your requirements in a free 30-minute call.
Start a ConversationHow we work
Every engagement follows a structured, evidence-based methodology — scoped to your regulatory landscape, sector dynamics, and organisational maturity.
Technology that scales sustainability
6 digital platforms and 50+ digital tools — so the advice we give can be operationalised, and organisations can run independently after we leave.
100 global companies rated across 9 ESG pillars with 135-question methodology. Independent, transparent, adjudicated.
Explore RECI46 courses in CSRD, GRI, BRSR, climate risk, carbon accounting. ISEP-aligned certification with practitioner-led content.
Visit AcademyDISHA psychometric framework. 8 dimensions, 20 career families, stage-adaptive assessment from Class 8 to senior professionals.
Explore CompassDistrict-level climate resilience for India. 68 indicators, 7 dimensions, 594+ districts. Live data from NASA, IMD, and 20+ sources.
Explore PulseIndia's first GST-native carbon assessment. Spend-based Scope 3 methodology, GHG Protocol aligned.
Explore GreenSetuSustainability system of record for Indian education. Assessment, benchmarking, CBSE SHVR / NAAC readiness.
Explore GreenCampusAlso: 28 India ESG SaaS tools (BRSR Suite, ScopeTracer, SBTi Pathway, Water & Waste, EPR, CSR Manager, ClimateAdapt & more) · Qatar ESG Reporter · Sustainable Finance Classifier · Carbon Diagnostic · CBAM Compass
What Sets Us Apart
We build tools so you don’t need us forever
50+ digital tools and 6 platforms mean organisations can operate independently after our engagement ends. Advisory that creates capability, not dependency.
Engineers and scientists, not just consultants
From air dispersion modelling to wastewater design — we don’t outsource the technical work. Our team does the engineering, the field work, and the science.
Accredited to assure our own advice
AA1000 Licensed, GAB Accredited, ISEP Certified. We can take your ESG programme from strategy through disclosure to independent verification — end to end.
Clients & Partners
Also: SODEXO · Metito · Estithmar Holding · Marafeq Qatar · WOTR India · Parsons Corporation · HDR Inc.
Trusted by Clients & Partners
The Hinduja Foundation appreciates the work carried out by RSustain in the Engineering Audit of our Lake Rejuvenation and Water Initiatives across Tamil Nadu, Andhra Pradesh, Maharashtra, Karnataka, and Chhattisgarh. The RSustain team completed field assessments, reviewed technical and impact-related data, and submitted recommendations that have supported our programme improvements.
RSustain helped us build a complete CSRD-ready data architecture in 10 weeks. When our auditors arrived, every evidence trail and calculation note was exactly where it needed to be. No surprises.
The RSustain Academy FCEM course gave our team a shared language and rigorous methodology. Three months later, we passed our first ISEP-aligned environmental audit with zero non-conformances.
Environmental & Sustainability services for Doha Metro projects, provided by the RSustain team through Qatar Design Consortium, were good quality and on time. I would recommend other contractors to avail of their services, which are economical and at the same time, meet the requirements of the project.
The RSustain team managed the Lagoons Project involving multiple players, sometimes with conflicting interests. Yet, they managed to weave their way through and were able to efficiently and productively provide the client with the requested services. Their work was well appreciated.
Named Projects. Measurable Outcomes.
India
- CSR Programme Fund Audit — Multi-year audit covering 5+ implementing partnersEnd client: IndusInd Bank · RSustain (direct engagement)
- Lake Rejuvenation Engineering Audit — Field assessments across 5 states, 50+ water bodiesEnd client: Hinduja Foundation · RSustain (direct engagement)
- 9 Solid Waste Management DPRs — Covering 9 ULBs across West BengalEnd client: West Bengal ULBs · RSustain (direct engagement)
- Watershed Environmental & Social Audit — 3 districts in Maharashtra & Madhya PradeshEnd client: WOTR India · RSustain (direct engagement)
Qatar & GCC
- 11 Construction Environmental Management Plans — $36B infrastructure programmeEnd client: Ashghal (PWA Qatar) · Via Qatar Design Consortium
- EIAs for Infrastructure & Petrol Stations — 20+ environmental assessmentsEnd client: QatarEnergy, Ashghal · Via QDC / Bilfinger Tebodin
- GSAS & LEED Certifications — Design, construction & operations ratingsEnd client: Shell Qatar, Marafeq · Via QDC
- IFC Performance Standards ESG Monitoring — Annual compliance for MENA investmentEnd client: IFC / World Bank Group · Via CDM Smith
IFC Performance Standards: Annual ESG Monitoring for MENA Investment
Annual IFC PS compliance monitoring across a multi-sector MENA investment portfolio for IFC/World Bank Group.
Water & EnvironmentLake Restoration Engineering Audit Across Five Indian States
Field assessments, technical data review, and programme improvement recommendations across 50+ water bodies.
Infrastructure11 CEMPs for Qatar’s $36B Infrastructure Programme
Construction Environmental Management Plans for major infrastructure works under Ashghal’s programme.
46 Professional Courses | ISEP-Accredited
ISEP Accredited Certifications
- • Foundation Certificate in Sustainability & Environmental Management (FCSEM)
- • Certificate in Sustainability & Environmental Management (CSEM)
Popular Courses
- • CSRD & ESRS Reporting (40 hrs)
- • Carbon Accounting & Scope 3 (28 hrs)
- • EU CBAM Compliance (20 hrs)
- • BRSR Practitioner Certification (24 hrs)
How Can RSustain Help You?
How can RSustain help my organisation become more sustainable?
RSustain provides end-to-end sustainability advisory: from environmental engineering and impact assessment through ESG strategy, carbon accounting, regulatory compliance (CSRD, BRSR, ISSB), and digital tools. We operate across 14+ jurisdictions through 5 specialist entities.
What’s the process once I contact RSustain?
We begin with a free scoping call to understand your needs. This is followed by a proposal with clear scope, timeline, and pricing. Once approved, our specialist team delivers the engagement with regular progress updates and a final deliverable package.
Which services are available under Environmental Engineering?
Environmental Impact Assessment (EIA/ESIA), Environmental Management Plans, Cleaner Production audits, EPR compliance, engineering solutions for waste management, water treatment, and air quality control.
Can RSustain support ESG and climate-related initiatives?
Yes. Our ESG & Climate Advisory practice covers materiality assessment, net zero roadmaps, CSRD/ESRS and BRSR reporting, ISSB alignment, carbon accounting (Scope 1-3), SBTi target-setting, and AA1000 assurance.
Who trusts RSustain’s consulting expertise?
Our clients include Shell Qatar, IFC/World Bank Group, IndusInd Bank, Hinduja Foundation, and government bodies across India, Qatar, UAE, and the UK. We are AA1000 Licensed, GAB Accredited, and ISEP Accredited.
Five Entities. Four Countries.
Each entity is independently incorporated with one or more common management functionaries — united by shared standards, tools, and methodology.
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