En3
En3 is a Chennai-headquartered sustainability consulting firm delivering LEED, WELL, and IGBC certification, energy modeling, ESG advisory, and commissioning services to enterprise and government clients across India, the UAE, Africa, and the US, with 1+ billion sq ft of green building delivery.
- Company typePrivate
- Founded2000
- HeadquartersChennai, India
- Headcount11–50
- GTM typeB2B
- OfferingServices
What En3 does
En3 Sustainability Solutions is a Chennai-headquartered professional services firm specializing in sustainability, green building certifications, ESG advisory, energy modeling, and building systems commissioning. The company delivers end-to-end consulting across LEED, WELL, IGBC, GRIHA, Estidama, IFC Edge, Green Mark, and Net Zero certification programs, supported by technical capabilities in whole building energy modeling, daylighting and shading analysis, fenestration studies, MEP peer review, CFD, and renewable energy simulations. En3 also operates Eddego, a wholly-owned training sub-brand offering LEED AP, IGBC AP, and WELL AP exam preparation courses.
The firm serves enterprise and institutional clients across real estate, IT campuses, healthcare, hospitality, industrial, retail, banking, and government sectors, with marquee engagements spanning 1+ billion sq ft of green building delivery and 300+ million sq ft of WELL-certified space across India, Asia, UAE, the Middle East, Africa, and the US. Its client base includes Tata Realty, Embassy REIT, Prestige, RMZ Corp, Brookfield Properties, IKEA, INGKA Centers, Apollo Hospitals, World Bank, Reserve Bank of India, ICRC, and the French Embassy, with claimed penetration of 50% of India's top real estate firms and 82% of top 100 MNCs in India.
En3 monetizes through project-based professional services engagements priced on a custom, quote-based model, supplemented by recurring revenue from the Eddego training arm. The firm is privately held (En3 Sustainability Solutions LLC), founder-led, and operates without disclosed institutional capital. Its competitive position is anchored by rare regulatory credentials — it is the only Indian firm with LEED Proven Provider status and one of just 13 firms globally with IWBI WELL Enterprise Provider recognition — combined with leadership bench strength that includes LEED Fellows, ASHRAE Fellows, and USGBC/IWBI Faculty members.
En3 firmographics
Firmographics- Name
- En3
- Legal name
- En3 Sustainability Solutions LLC
- Website
- https://en3online.com
- Company type
- Private
- Founded year
- 2000
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- En3 is a Chennai-headquartered sustainability consulting firm delivering LEED, WELL, and IGBC certification, energy modeling, ESG advisory, and commissioning services to enterprise and government clients across India, the UAE, Africa, and the US, with 1+ billion sq ft of green building delivery.
- Ownership category
- akta.pro rank
En3 industry classification
Industry- Product category
- Green building and sustainability consulting
- NAICS
- Engineering Services (541330), Architectural, Engineering, and Related Services (5413)
- SIC
- Services-Engineering, Accounting, Research, Management (8700), Services-Engineering Services (8711)
- akta.pro primary industry
- Sustainability, ESG & Climate Risk Advisory (BPAHAJAH)
- akta.pro secondary industries
- EHS Auditing, Inspections & Assurance (BPAHAJAG), EHS Training, Competency & Culture Programs (BPAHAJAL), ESG Reporting, Disclosure & Regulatory Compliance (SFDR, EU Taxonomy, TCFD/ISSB) (FSAAALAK), EHS Management Systems & ISO Consulting (ISO 14001/45001) (BPAHAJAF)
Keywords
Where En3 is headquartered
LocationHeadquarters
- HQ city
- Chennai
- HQ country
- India
- HQ region
- Asia
Offices3 records
Markets served
En3 business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Sustainability Consulting Services: Professional consulting services for green building certifications, ESG reporting, energy auditing, and wellness certifications. Revenue is generated through project-based consulting engagements with enterprise clients across various sectors including corporate, real estate, healthcare, hospitality, and industrial.
- Training & Education (Eddego): Training arm providing professional education courses including LEED GA, LEED AP, IGBC AP, WELL AP exam prep and sustainability-related training programs. Offers blended learning combining online education with in-person training.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels6 records
En3 product offering
Product offeringCore offering
En3 is a sustainability and green building consulting firm that delivers end-to-end advisory, certification, energy simulation, commissioning, ESG, and training services for new and existing buildings. Core deliverables cover green building certifications (LEED, WELL, IGBC, GRIHA, Estidama, IFC Edge, Green Mark, Net Zero), ESG and carbon management (GRESB, SBTi, LCA, ESG reporting), energy and building simulations, building systems commissioning, health and wellness consulting, and volume/portfolio program management, delivered directly to enterprise clients. The firm also runs Eddego, a sub-brand offering professional education and exam-preparation courses for LEED, IGBC, and WELL credentials.
Product overview
En3 Sustainability Solutions is a global sustainability and ESG consulting firm offering a comprehensive suite of professional services for green buildings, wellness-driven spaces, and sustainable development. The firm provides consulting across LEED, WELL, IGBC, and other green building certification standards, complemented by ESG and carbon management advisory, energy and building simulation services, building systems commissioning, and health and wellness consulting. Their services are delivered through distinct practice areas that work collaboratively: Green Building Certification Advisory handles certifications across LEED, Estidama, IGBC, IFC Edge, and Net Zero programs; ESG Consulting Services provides carbon management, GRESB ratings, SBTi roadmaps, and sustainability reporting; Energy & Building Simulations delivers energy modeling and performance analysis; Building Systems Commissioning ensures optimal building performance; Health & Wellness Consulting focuses on WELL certifications and performance testing; Volume & Portfolio Programs manages large-scale certification portfolios; and Eddego provides professional training and exam preparation courses for sustainability certifications.
Differentiator
Problem solved
Functional benefit
Brands
- Eddego: Training arm of En3 that provides blended learning combining high quality online education with in-person training for sustainability and green building professionals. Offers courses including LEED GA, LEED AP, IGBC AP, WELL AP exam prep.
Products and services
- Green Building Certification Advisory End-to-end consulting for green building certifications including LEED, Estidama, IGBC, IFC Edge, Green Mark, Energy Star, Living Building Challenge, GRIHA, and Net Zero certifications (energy, water, waste, carbon) for enterprise owners and developers.
- Energy and Building Simulations Whole building energy modeling and simulation services including energy modeling, daylighting and shading analysis, irradiation studies, fenestration analysis, MEP design optimization, lighting studies, renewable energy studies, and CFD-driven performance analysis for new and existing buildings.
- Building Systems Commissioning Building commissioning services including LEED fundamental and enhanced commissioning, integrated systems testing (IST), monitoring-based commissioning, retro-commissioning for existing systems, and building enclosure commissioning.
- Health and Wellness Consulting Health and wellbeing consulting for buildings including wellness gap analysis, WELL v2 implementation, WELL at Scale, WELL Community, WELL Residential certifications, WELL Health Safety Rating (HSR) for existing buildings, and WELL Performance Testing (PV) services. En3 is an IWBI Approved Performance Testing Agent.
- ESG Consulting Services ESG and sustainability consulting including carbon management, sustainability benchmarks, GRESB Rating advisory, Science-Based Targets (SBTi) roadmaps, Life Cycle Assessments (LCA), annual ESG and GRI reports, UN SDG alignment, and employee engagement programs.
- Volume and Portfolio Programs Large-scale portfolio management for LEED Volume Program, IWBI WELL at Scale portfolio certifications and management, Energy Star Portfolio Manager programs, WELL Health Safety Rating for portfolios, and volume-based training for employees in Green and WELL.
- Green Codes and Standards Development Technical assistance for green code development and adoption, sustainability regulations for governmental authorities, minimum standard specifications, standards improvement advisory for Green Building Councils, and greening of existing buildings (LEED ARC, gap analysis, energy and IAQ audits, green certifications, wellness improvements, zero waste certification, performance monitoring).
- Eddego Training Programs Training arm of En3 providing professional education and exam-preparation courses including LEED GA, LEED AP, IGBC AP, and WELL AP programs, plus monthly sustainability and green building training programs delivered through blended online and in-person learning.
Quantifiable outcome
- 1+ billion sq ft of green buildings delivered worldwide
- +6 more outcomes
Companies that use En3
Customer profileNamed customers24 records
Segments10 records
Ideal customer profiles3 records
En3 technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
En3 partnerships and signals
Strategic signalPartnerships
13 partnerships are on record, tiered core.
- The World BankcoreEn3 works closely with The World Bank on various sustainability initiatives. They have consulted on World Bank facilities in Asia and Africa, achieving LEED Earth Award for World Bank Office Kabul and LEED Earth Award for Africa Headquarters Building - Delta Center, Nairobi, Kenya.
- International Code Council Inc. (ICC)coreEn3 collaborates with ICC on green code and standards development initiatives, working on green regulations for adoption and development of green standards for governmental authorities.
- International Accreditation Service Inc. (IAS)coreEn3 works with IAS on conformity assessment and evaluation programs, leveraging international expertise in construction quality control and testing programs.
- International WELL Building Institute (IWBI)coreEn3 is recognized as a WELL Enterprise Provider, WELL Faculty, and IWBI Approved Performance Testing Agent. They chair technical committees for IWBI and work on WELL standard development and WELL Portfolio programs.
- Harvard University GSDcoreEn3 is part of the Sustainability Infrastructure Advisory Board (SIAB) at the Zofnass Program at Harvard University's Graduate School of Design. Deepa Sathiaram sits on the Board of Zofnass Program for Sustainable Infrastructure at Harvard.
- Harvard T.H. Chan School of Public HealthcoreEn3 works with Harvard T.H. Chan School of Public Health and USGBC on the 'Buildings For Health Program' to understand the health impact of the built environment and improve health and well-being of building occupants.
- American Society of Heating, Ventilating, and Air-Conditioning Engineers (ASHRAE)coreEn3 collaborates with ASHRAE on technical committees and standards development. N. Vaidyanathan is Past President of ASHRAE South India Chapter, and Deepa Sathiaram is Past-President of ASHRAE South India Chapter.
- U.S. Green Building Council (USGBC)coreEn3 is LEED Proven Provider, USGBC Faculty, and one of USGBC's top education partners in India. Deepa Sathiaram chairs the LEED Fellow Evaluation Committee for USGBC and is part of USGBC's 'LEED ON' campaign.
- Brookfield PropertiescoreEn3 supported Brookfield Properties in achieving WELL Equity certification across 15.69 million square feet and 36 tenanted buildings - Asia's largest WELL Equity certified portfolio.
- RMZ CorpcoreEn3 worked closely with RMZ Corp and IWBI to create the first WELL Portfolio for India (23 million sq ft). Also helped achieve largest LEED Arc Certified Portfolio in Asia for RMZ Ecoworld.
- IKEA GroupcoreEn3 signed a pan-India agreement with IKEA Group as green consultant to help all their upcoming new developments in India achieve LEED certification, covering retail stores, warehouses, CDC, mixed developments and malls.
- Green Building Councils (Regional)coreEn3 works with various Green Building Councils globally including IGBC, and provides technical inputs on future improvements to standards and rating systems.
- GBCI IndiacoreEn3 worked as WELL Consultant for GBCI India HQ achieving first WELL v2 Platinum in India and highest LEED ID+Cv4 Platinum in India (2nd highest globally).
Scale indicators13 records
Recent moves6 records
Expansion highlights6 records
En3 competitors and assessment
Company assessmentBroad incumbents
- Ramboll: Ramboll is a global engineering, environment and sustainability consultancy with strong green building, ESG, and decarbonization practices competing for similar enterprise and government mandates as En3.
- Buro Happold: Buro Happold is a global engineering consultancy with a strong sustainability, building performance and WELL/LEED advisory practice — a broader incumbent competing for the same large portfolio and campus mandates En3 targets.
- Arup: Arup is a global engineering and sustainability consultancy with deep green building, net-zero, ESG, and building performance practices — operating in the same space as En3 but at broader scale across many geographies.
- WSP: WSP is a global professional services firm with a major sustainability, energy, and ESG advisory practice competing for the same corporate and government green building mandates En3 serves.
Emerging players
- Cundall: Cundall is an engineering consultancy with strong sustainability credentials, BREEAM/LEED/WELL advisory and net-zero consulting — a peer in building performance and green certification advisory though with lower scale in India.
- Paige Welch Consulting / Verdacity: Verdacity is a boutique sustainability consultancy focused on WELL, LEED, and ESG advisory for built environments — comparable in service scope to En3's boutique green building and wellness practice.
Direct peers
- Atelier Ten: Atelier Ten is a specialist environmental design consultancy delivering building performance consulting, energy modeling, daylighting, and sustainability strategy for premium real estate projects globally — a direct boutique counterpart to En3's energy modeling and green certification practice.
- ME Engineers: ME Engineers provides MEP, lighting, and sustainability/LEED consulting for complex buildings including high-performance campuses and portfolios — directly comparable to En3's MEP peer review, lighting simulations, and LEED Volume work.
- Elementa Consulting: Elementa is a mechanical and sustainable engineering consultancy providing commissioning, energy modeling, and green building certification services — closely overlapping with En3's commissioning and LEED/WELL advisory offerings.
Regional players
- YRG Sustainability: YRG Sustainability is an India-focused ESG and sustainability advisory firm providing ESG reporting, SBTi target setting, and carbon management services — directly comparable to En3's ESG consulting practice but concentrated in the same Indian market.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat6 records
Key risks4 records
Key highlights6 records
Customer concentration
En3 social profiles
Digital presenceEn3 compliance and trust
Trust signalCompliance12 records
En3 financial estimates
Financial estimateRevenue estimate
Valuation estimate
En3 leadership team
Management profileNumber of profiles
Profiles6 records
En3 subsidiaries and ownership
Company hierarchySubsidiaries1 record
En3 funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
En3 M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about En3
What does En3 do?
En3 is a sustainability and green building consulting firm that delivers end-to-end advisory, certification, energy simulation, commissioning, ESG, and training services for new and existing buildings. Core deliverables cover green building certifications (LEED, WELL, IGBC, GRIHA, Estidama, IFC Edge, Green Mark, Net Zero), ESG and carbon management (GRESB, SBTi, LCA, ESG reporting), energy and building simulations, building systems commissioning, health and wellness consulting, and volume/portfolio program management, delivered directly to enterprise clients. The firm also runs Eddego, a sub-brand offering professional education and exam-preparation courses for LEED, IGBC, and WELL credentials.
Is En3 a public or private company?
En3 is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was En3 founded?
En3 was founded in 2000. It employs 11 to 50 people.
Where is En3 based?
En3 is headquartered in Chennai, India, in the Asia region.
How does En3 make money?
Two revenue lines are on record. Sustainability Consulting Services are the primary driver. The others are training & Education (Eddego).
Who are En3's main competitors?
Broad incumbents on record are Ramboll, Buro Happold, Arup and WSP. Emerging players are Cundall and Paige Welch Consulting / Verdacity. Direct peers are Atelier Ten, ME Engineers and Elementa Consulting. YRG Sustainability is listed as a regional player.
Does En3 have an API?
No public API is recorded for En3.
What industry is En3 in?
En3's product category is Green building and sustainability consulting. Its primary akta.pro industry code is BPAHAJAH, Sustainability, ESG & Climate Risk Advisory, with a secondary code of BPAHAJAG, EHS Auditing, Inspections & Assurance. Its NAICS code is 541330 and its SIC code is 8700.