Mailhem Environment
- Company typePrivate
- Founded1995
- HeadquartersPune, India
- Headcount51–100
- GTM typeB2B
- OfferingServices
Mailhem Environment firmographics
Firmographics- Name
- Mailhem Environment
- Legal name
- Mailhem Environment Pvt. Ltd.
- Website
- https://mailhem.com
- Company type
- Private
- Founded year
- 1995
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Ownership category
- akta.pro rank
Where Mailhem Environment is headquartered
LocationHeadquarters
- HQ city
- Pune
- HQ country
- India
- HQ region
- Asia
Offices7 records
Markets served
Mailhem Environment business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Technology or R&D, Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales
Revenue model
- EPC (Engineering, Procurement & Construction) Projects: Turnkey EPC contracts for designing, manufacturing, and erecting solid waste management and biogas plants ranging from 100 kg/day to 1000 tons/day; project-based, one-time revenue per project.
- BOOT / DBFOT Long-term Concession Projects: Build-Own-Operate-Transfer and Design-Build-Finance-Operate-Transfer project structures with 25-30 year concession periods (e.g., Nashik ISWM 30-year, Bhopal 25-year, Rudrapur 25-year) providing long-duration recurring revenue tied to waste processing.
- Long-term Operation & Maintenance (O&M) Contracts: Mailhem holds 30+ long-term O&M contracts across India (5-30 year terms) for biogas plants, generating recurring managed-services revenue; also offers revamping of existing non-functional biogas plants.
- BioCNG, Biogas & Biofertilizer Sales: Recurring sale of compressed biogas (CBG) under long-term offtake agreements with OMCs (IOCL, BPCL, HPCL, GAIL), plus sale of phosphate-rich organic manure, organic compost, and biofertilizers through channel partners and fertilizer companies.
- Consultancy Services: Project viability, DPR, techno-economic viability reports, and consulting for SATAT LOI holders and other waste-to-energy investors, including loan-process assistance and statutory-approval support.
- Investment / Equity Partnerships in SPVs: Mailhem retains 30% sweat equity in Special Purpose Vehicles (Nashik Green Energy, Vapusa Sarga, Rudrapur Green Energy) and offers 70% equity to investors for 100% of debt+equity, with long-term revenue share with project partners over 25-30 years.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom project-based pricing for EPC/BOOT/DBFOT waste management and biogas projects, capacity 100 kg/day to 1000 TPD |
| One time/ perpetual license | One time/ perpetual license | Portable biogas plant units (100/300/500/1000 kg/day) — price on application |
| Unit Pricing | Pay-as-you-go | CBG and biofertilizer pricing under long-term offtake with OMCs and fertilizer companies |
Go-to-market motion4 records
Distribution channels6 records
Marketing channels10 records
Mailhem Environment product offering
Product offeringCore offering
Mailhem Environment designs, engineers, manufactures, and operates biogas-based waste-to-energy plants that convert organic waste and wastewater into bio-energy (electricity, heat, and compressed biogas), bio-manure (PROM), and clean water. The company delivers turnkey projects via EPC, BOOT, and DBFOT models and provides long-term operation and maintenance services to municipalities, smart cities, public-sector undertakings, and industrial enterprises across India.
Product overview
Mailhem Environment Pvt. Ltd. operates a platform-plus-modules architecture for end-to-end solid waste management and waste-to-energy solutions. Its core technology backbone is the proprietary M-UASB combined with CSTR (Continuous Stirred Tank Reactor) digester platform, which is delivered through multiple modular offerings: Portable Biogas Plants (100–1,000 kg/day), Biogas Plants for Electricity Generation (2–200 TPD), Biogas Plants for Heat Generation, Biogas Plants for Auto & Industrial Fuel (CBG Plants), Biogas Purification Systems, and Phosphate Rich Organic Manure (PROM) Facility. Alongside this, the company operates complementary product lines including Bioreactor Landfills (aerobic, anaerobic and hybrid), Windrow Composting, and EPC/BOOT/DBFOT project execution, plus Consultancy, Engineering, Manufacturing, R&D, Revamping, and long-term O&M services. Its delivery is organized through Special Purpose Vehicles — Rudrapur Green Energy Private Limited (50 TPD MSW-to-CBG), Nashik Green Energy Private Limited (NGEPL, RDF-to-Energy), and Vapusa Sarga Private Limited (12 SATAT CBG projects worth USD 30 million) — together with over 350 biogas plants and 300+ end-to-end projects across India.
Differentiator
Problem solved
Functional benefit
Products and services
- Biogas Plants for Electricity, Heat and CBG Production Turnkey large-scale biogas plants that convert organic waste and wastewater into electricity, heat, and compressed biogas (CBG) for municipalities, PSUs, smart cities, and industrial enterprises.
- Portable Biogas Plants Smaller, decentralized biogas plants designed for households and gated communities to convert kitchen and organic waste on-site into cooking gas and organic manure.
- Biogas Purification Systems Systems that purify raw biogas into compressed biogas (CBG) or pipeline-quality natural gas for use as automotive fuel, industrial fuel, or grid injection.
- Phosphorus Rich Organic Manure (PROM) Organic fertilizer produced from the digestate of Mailhem's biogas plants, sold to agricultural customers and fertilizer buyers as a nutrient-rich soil amendment.
- Bioreactor Landfill Systems Engineered bioreactor landfill installations that accelerate decomposition of municipal solid waste and enable landfill gas capture for energy use.
- Windrow Composting Systems Mechanized windrow composting systems and plants for large-scale organic waste processing into compost, supplied to municipalities and industrial waste generators.
- EPC Project Services Turnkey Engineering, Procurement and Construction (EPC) services for biogas, waste-to-energy, composting, and bioreactor landfill projects on a lump-sum turnkey basis.
- BOOT and DBFOT Project Services Long-term Build-Own-Operate-Transfer and Design-Build-Finance-Operate-Transfer arrangements under which Mailhem finances, builds, owns, and operates waste-to-energy plants before transferring them to the client.
- Operation and Maintenance (O&M) Services Long-term Operation and Maintenance services for biogas, composting, and waste-to-energy plants, including plant staffing, performance optimization, and uptime guarantees.
- Waste-to-Energy Consultancy Services Consultancy, engineering design, manufacturing, and R&D services for waste-to-energy, biogas, and solid waste management projects, provided to public and private sector clients.
Quantifiable outcome
- 350+ biogas plants of varied capacities across India
- +9 more outcomes
Companies that use Mailhem Environment
Customer profileNamed customers33 records
Segments6 records
Ideal customer profiles4 records
Mailhem Environment technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Mailhem Environment partnerships and signals
Strategic signalPartnerships
18 partnerships are on record, tiered flagship, core and minor.
- Lhotellier Group / IKOS Environment (France)flagshipMailhem was incubated with the French Lhotellier Group in 2014. Paul Lhotellier, fourth-generation head of the Lhotellier group and founder of IKOS Environment, sits on Mailhem's board as a Director. The partnership has helped Mailhem access European technology, project monitoring, and control know-how, and introduced the "Project Leader" concept for project execution. IKOS is the environment division of the Lhotellier Ikos Group. The equity of the Lhotellier Ikos Group strengthened the organization to foray into the Indian market in 2013.
- Input Engineering GmbH (Germany)coreTechnical tie-up with German biogas expert Input Engineering GmbH for large anaerobic biogas digesters using dry digestion technology for lignocellulosic agricultural biomass and the organic fraction of municipal solid waste (OFMSW). This gives Mailhem access to German-engineered dry-digestion technology for larger-scale plants.
- CSIR-NIIST TrivandrumcoreR&D partner for small biodigesters. Council of Scientific and Industrial Research (CSIR) – National Institute for Interdisciplinary Science and Technology (NIIST) in Trivandrum collaborates with Mailhem on small-biodigester research.
- CSIR Indian Institute of PetroleumcoreR&D partner for BioCNG units and Coal Bed Methane (CBM). CSIR-IIP supports Mailhem's compressed biogas and coal bed methane research.
- CSIR Agharkar Research InstitutecoreR&D partner for paddy straw digestion. CSIR-ARI supports Mailhem in research on digesting paddy straw, a major agricultural residue in India.
- Institute of Chemical Technology (ICT)coreR&D partner for anaerobic digestion techniques. ICT Mumbai collaborates with Mailhem on advanced anaerobic digestion process research.
- Oil Marketing Companies (IOCL, BPCL, HPCL, GAIL)flagshipCompressed Biogas (CBG) sale agreements with India's four major oil marketing companies — Indian Oil Corporation (IOCL), Bharat Petroleum (BPCL), Hindustan Petroleum (HPCL), and GAIL — have been signed under the SATAT scheme. These offtake agreements underpin Mailhem's CBG projects, providing guaranteed buyers for the gas produced from organic waste.
- Rudrapur Nagar Nigam (Uttarakhand)core25-year concession agreement with Rudrapur Nagar Nigam to supply organic waste for Mailhem's 50 TPD Compressed Biogas project in Rudrapur, Uttarakhand. The municipal corporation is the long-term feedstock supplier for the project.
- Britannia and Nestle (Food Processing)minorMailhem has the option to collect additional food processing waste from Britannia and Nestle at the Rudrapur 50 TPD CBG project, alongside press-mud from 3 sugar mills and horticulture waste.
- Indore Smart City Development Corporation Ltd.flagshipMailhem designed and developed the 15 TPD BioCNG plant at Indore for Indore Smart City Development Corporation. The compressed biogas from the plant powers 6-7 Indore Smart City buses every day, reducing fuel costs, pollution, and providing a sustainable long-term solution. The Indore project is showcased as a flagship Mailhem smart-city project.
- Punjab Energy Development Agency (PEDA)coreMailhem built and operates a 500 kg/day biogas plant at Parliament House, New Delhi for PEDA. The project serves as a national demonstration site and was executed under a UNDP-funded project by the Ministry of New and Renewable Energy (MNRE) in 2000.
- Rashtriya Chemical & Fertilizer Limited (RCF)minorRCF (a Mini Ratna PSU) is a buyer of Mailhem's compost/city compost output. Mailhem won the "Best Supplier – City Compost" award from RCF in 2020, signaling a long-term offtake relationship for compost.
- Zuari (Fertilizer Company)minorZuari is mentioned as a fertilizer company to which Mailhem supplies fine-quality compost produced via windrow composting.
- Government of India — Ministry of New and Renewable Energy (MNRE)flagshipMailhem's leadership (Col. Rege) is a regular member of MNRE policy-formation committees and a UNDP-funded project was executed under MNRE at Vijaywada Municipal Corporation (16 TPD Vegetable Marketyard + 4 TPD Slaughter House) in 2000. Col. Rege is also described as helping with policy formation in MNRE and MoPNG.
- Government of India — Ministry of Petroleum and Natural Gas (MoPNG)flagshipMailhem's Col. Rege is a regular member of MoPNG policy-formation committees; MoPNG launched the SATAT scheme on Compressed Biogas in 2018, which Mailhem actively supports by assisting LOI holders with EPCM, O&M, finance, and marketing.
- CII (Confederation of Indian Industry) and FICCI (Federation of Indian Chambers of Commerce & Industry)coreCol. Suresh Rege and Sameer Rege are members of CII and FICCI Bioenergy and Waste-to-Worth committees, contributing to industry policy and committee work.
- Vijaywada Municipal Corporation (UNDP-funded project)minorMailhem executed its first major UNDP-funded project (2000) at Vijaywada Municipal Corporation — 16 TPD vegetable marketyard and 4 TPD slaughter house projects for grid-connected power generation.
- Tata International Ltd. (Madhya Pradesh)minorUNDP-funded project for chrome leather shaving waste at Tata International Ltd. in Madhya Pradesh (2001). This project established Mailhem's expertise in handling complex industrial waste streams.
Scale indicators12 records
Recent moves11 records
Expansion highlights6 records
Mailhem Environment competitors and assessment
Company assessmentBroad incumbents
- Verbio Vereinigte BioEnergie AG: European leader in biogas, biomethane (CBG), and biodiesel with large-scale anaerobic digestion plants. Comparable as a global reference point for multi-substrate CBG economics and OMC-equivalent offtake structures.
- Praj Industries: Indian process-engineering company with biofuels, ethanol, and compressed biogas (CBG) plants. Comparable because it executes CBG and waste-to-energy EPC projects in India and competes for similar municipal and industrial customers.
- Xebec Adsorption / Cleanergy: Biogas upgrading and CBG technology provider supplying PSA and membrane systems for biomethane plants. Comparable as it supplies the biogas purification and CBG offtake-grade equipment used across Mailhem's CBG and Indore Smart City plant value chain.
- Thermax Limited: Large Indian EPC and environmental solutions company with waste-to-energy and biogas capabilities. Comparable because it operates in India's waste-to-energy and ISWM segments, but as part of a much broader industrial portfolio rather than Mailhem's niche specialization.
- Wärtsilä BioGas: Finnish global technology group with biogas upgrading and landfill gas-to-energy solutions. Comparable because it competes for large-scale CBG/biomethane projects globally, including India via partners, against Mailhem's modular CSTR+M-UASB offering.
Direct peers
- Sukhbir Agro Energy: Indian SATAT-aligned CBG developer operating multi-substrate biogas plants with OMC offtake. Directly comparable as it pursues the same SATAT scheme Compressed Biogas economics and customer base that Mailhem's Vapusa Sarga platform targets.
- Organic Recycling Systems (ORS): Mumbai-based waste management company with biogas, composting, and ISWM projects across India. Comparable as a direct Indian competitor in municipal biogas and integrated solid waste management contracts.
- Bharat Biogas Energy: India-focused biogas/CBG EPC and project developer building multi-substrate plants. Comparable as a like-sized Indian player executing municipal and industrial biogas projects with long-term O&M contracts.
Others
- Lhotellier (parent partner / IKOS Environment): French environmental group and Mailhem's board-level strategic partner since 2014, with its IKOS Environment division focused on waste-to-energy. Comparable as both a strategic partner and a peer offering overlapping waste-management services in France and internationally.
Regional players
- Ion Exchange (India) Limited: Indian environmental solutions company in water and waste treatment including effluent and biogas. Comparable as a regional Indian peer operating in industrial wastewater-to-energy projects, a segment Mailhem also serves via pharma and tannery effluent plants.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Mailhem Environment social profiles
Digital presenceMailhem Environment compliance and trust
Trust signalCompliance1 record
Mailhem Environment financial estimates
Financial estimateRevenue estimate
Valuation estimate
Mailhem Environment leadership team
Management profileNumber of profiles
Profiles2 records
Mailhem Environment subsidiaries and ownership
Company hierarchySubsidiaries4 records
Mailhem Environment funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Mailhem Environment 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 Mailhem Environment
What does Mailhem Environment do?
Mailhem Environment designs, engineers, manufactures, and operates biogas-based waste-to-energy plants that convert organic waste and wastewater into bio-energy (electricity, heat, and compressed biogas), bio-manure (PROM), and clean water. The company delivers turnkey projects via EPC, BOOT, and DBFOT models and provides long-term operation and maintenance services to municipalities, smart cities, public-sector undertakings, and industrial enterprises across India.
Is Mailhem Environment a public or private company?
Mailhem Environment is a private company. It is classified as family owned and is currently operating.
When was Mailhem Environment founded?
Mailhem Environment was founded in 1995. It employs 51 to 100 people.
Where is Mailhem Environment based?
Mailhem Environment is headquartered in Pune, India, in the Asia region.
How does Mailhem Environment make money?
Six revenue lines are on record. EPC (Engineering, Procurement & Construction) Projects are the primary driver. The others are BOOT / DBFOT Long-term Concession Projects, long-term Operation & Maintenance (O&M) Contracts, bioCNG, Biogas & Biofertilizer Sales, consultancy Services and investment / Equity Partnerships in SPVs.
Who are Mailhem Environment's main competitors?
Broad incumbents on record are Verbio Vereinigte BioEnergie AG, Praj Industries, Xebec Adsorption / Cleanergy, Thermax Limited and Wärtsilä BioGas. Direct peers are Sukhbir Agro Energy, Organic Recycling Systems (ORS) and Bharat Biogas Energy. Lhotellier (parent partner / IKOS Environment) is listed as an others. Ion Exchange (India) Limited is listed as a regional player.
Does Mailhem Environment have an API?
No public API is recorded for Mailhem Environment.