SEDEMAC Mechatronics Limited is a technology-led supplier of critical, control-intensive electronic control units to original equipment manufacturers in the mobility and industrial segments. The company designs and supplies products used in engine-powered two-wheelers and three-wheelers, electric vehicles, electric bicycles and generators. A large part of its revenue comes from products developed in-house, where technology, reliability, quality control and long-term customer relationships are central to the business model.
Revenue from operations₹7,706.65 millionNine months ended Dec 31, 2025
Profit for the period₹714.98 millionNine months ended Dec 31, 2025
EBITDA margin20.90%Nine months ended Dec 31, 2025
Control-intensive controllers sold2,858,050Nine months ended Dec 31, 2025
Business Overview
SEDEMAC supplies electronic control units that are critical to the functioning of customer equipment. These products are not simple accessories. They control key operating functions in vehicles and generators and are therefore important for performance, reliability and safety of the end product.
The company mainly serves original equipment manufacturers across India, the United States and Europe. Its business is divided broadly into mobility and industrial applications.
- Mobility products for engine-powered two-wheelers and three-wheelers.
- Mobility products for electric two-wheelers, electric three-wheelers and electric bicycles.
- Industrial products for generator and genset applications.
- Technology-driven electronic control solutions developed largely in-house.
IPORupee View:
This is not a normal auto ancillary company selling generic components. SEDEMAC is more of an embedded electronics and control-technology company where product validation, OEM approval cycles and long-term reliability are very important.
What Does Critical, Control-Intensive Mean?
A critical-to-the-application product is a component without which the equipment cannot perform its main function. For example, an engine control unit supporting fuel injection in a vehicle or a motor control unit in an electric vehicle is essential for movement.
Control-intensive means the product manages complex system behaviour in real time. Such products generally require deep engineering, software, electronics, testing and validation capability.
Retail Investor Understanding:
When a component is deeply integrated into an OEM platform, replacement is not very easy. However, the company also becomes dependent on the same OEM’s product cycle, purchase volumes and technology roadmap.
Full Forms Used
| Short Form | Full Form | Simple Meaning |
|---|
| ECU | Electronic Control Unit | A controller that manages electronic functions in vehicles, generators or machines. |
| OEM | Original Equipment Manufacturer | A company that manufactures the final vehicle, generator or equipment. |
| ISG | Integrated Starter Generator | A system that can support starting and generation functions in engine-powered vehicles. |
| EFI | Electronic Fuel Injection | A system that electronically controls fuel injection in an engine. |
| MCU | Motor Control Unit | A controller that manages electric motor performance in electric vehicles or electric bicycles. |
| GC | Genset Controller | A controller used in generator sets for monitoring and control functions. |
| AMF | Auto Mains Failure | A controller function that starts a generator automatically when mains power fails. |
| R&D | Research and Development | Work done to develop new technologies, products and product improvements. |
| PCB | Printed Circuit Board | The board on which electronic components are mounted. |
| SLC | Sensorless Commutation | A motor-control technology used by the company in certain products. |
| ICE | Internal Combustion Engine | Petrol, diesel or similar fuel-powered engine. |
| EV | Electric Vehicle | A vehicle powered by an electric motor and battery. |
| 2W / 3W | Two-Wheeler / Three-Wheeler | Vehicle categories such as scooters, motorcycles, rickshaws and three-wheelers. |
Major Business Segments
The company’s revenue is mainly generated from two broad segments:
- Mobility segment: Controllers supplied for internal combustion engine powered and electric two-wheelers and three-wheelers.
- Industrial segment: Controllers supplied for generator applications.
| Particulars | 9M Dec 2025 | FY25 | FY24 | FY23 |
|---|
| Mobility revenue | ₹6,521.78 million | ₹5,641.32 million | ₹4,544.40 million | ₹3,399.83 million |
| Industrial revenue | ₹1,184.87 million | ₹942.31 million | ₹762.13 million | ₹830.45 million |
| Total revenue from operations | ₹7,706.65 million | ₹6,583.63 million | ₹5,306.53 million | ₹4,230.28 million |
| Mobility share | 84.63% | 85.69% | 85.64% | 80.37% |
| Industrial share | 15.37% | 14.31% | 14.36% | 19.63% |
Insight:
Mobility is the largest revenue contributor. This gives the company strong exposure to the two-wheeler and three-wheeler ecosystem, but also means that performance depends heavily on OEM production schedules and vehicle demand.
Critical Control-Intensive Revenue
A major part of SEDEMAC’s business comes from critical, control-intensive products. This is important because such products generally involve deeper engineering and stronger customer integration compared with non-critical products.
| Particulars | 9M Dec 2025 | FY25 | FY24 | FY23 |
|---|
| Revenue from critical, control-intensive products | ₹6,668.26 million | ₹5,272.55 million | ₹4,092.94 million | ₹3,054.45 million |
| Revenue from operations | ₹7,706.65 million | ₹6,583.63 million | ₹5,306.53 million | ₹4,230.28 million |
| Critical control-intensive product share | 86.53% | 80.09% | 77.13% | 72.20% |
| Non-critical product revenue | ₹976.91 million | ₹1,175.08 million | ₹1,149.68 million | ₹1,100.14 million |
| Non-critical product share | 12.68% | 17.85% | 21.67% | 26.01% |
IPORupee Interpretation:
The increasing share of critical control-intensive products indicates that the business is moving more toward high-technology, application-critical products. This is positive for differentiation, but it also increases the importance of product reliability and customer trust.
Key Products
- Sensorless ISG ECUs: Used in engine-powered two-wheelers and three-wheelers.
- EFI ECUs: Used to manage electronic fuel injection in engine-powered vehicles and generators.
- ISG + EFI ECUs: Integrated solutions combining starter-generator control and electronic fuel injection functionality.
- EV MCUs: Motor control units for electric two-wheelers and three-wheelers.
- E-bike MCUs: Motor control units for European electric bicycles.
- Rare-earth free motors: Offered for electric bicycle applications.
- Genset controllers: Supervisory AMF controllers and related generator control products.
- Aftertreatment control module: Product under validation for commercial vehicle applications.
Important Point:
The product portfolio is not limited to one technology. SEDEMAC is trying to build a wider control-technology platform across engine-powered vehicles, electric mobility, generators and adjacent industrial applications.
Product Volume Trend
| Product Particulars | 9M Dec 2025 | FY25 | FY24 | FY23 |
|---|
| Genset controllers | 119,684 | 120,924 | 128,305 | 132,745 |
| Genset EFI ECUs | 221,616 | 80,083 | 24,457 | 13,768 |
| ISG, EFI and ISG+EFI ECUs | 2,471,016 | 2,228,133 | 1,754,664 | 1,277,856 |
| TCIs and RRs | 2,096,475 | 2,504,034 | 2,516,509 | 2,452,492 |
| EV Motor Control Units | 45,731 | 9,364 | 9,913 | 786 |
Insight:
The sharp rise in ISG/EFI related ECU volumes and EV motor control units shows expansion in control-intensive mobility products. Genset EFI ECUs also show strong volume growth, especially in the nine-month period ended December 31, 2025.
Financial Performance
| Parameter | 9M Dec 2025 | FY25 | FY24 | FY23 |
|---|
| Total income | ₹7,753.06 million | ₹6,625.36 million | ₹5,358.96 million | ₹4,298.66 million |
| Revenue from operations | ₹7,706.65 million | ₹6,583.63 million | ₹5,306.53 million | ₹4,230.28 million |
| Profit for the period/year | ₹714.98 million | ₹470.45 million | ₹58.78 million | ₹85.73 million |
| Basic EPS | ₹16.59 | ₹10.93 | ₹1.45 | ₹2.12 |
| EBITDA | ₹1,610.71 million | ₹1,250.68 million | ₹831.24 million | ₹542.40 million |
| EBITDA margin | 20.90% | 19.00% | 15.66% | 12.82% |
| Profit margin | 9.28% | 7.15% | 1.11% | 2.03% |
| RoCE | 32.52% | 33.79% | 28.87% | 17.51% |
| RoE | 20.03% | 22.01% | 4.92% | 7.84% |
| Debt-equity ratio | 0.17 | 0.21 | 1.37 | 1.16 |
IPORupee Financial View:
Revenue, EBITDA and margins have improved meaningfully. Debt-equity has reduced sharply from FY24 levels. However, investors should not look only at margins; they should also study customer concentration, semiconductor sourcing dependence and sustainability of growth.
Research and Development
R&D is central to the company’s strategy. SEDEMAC categorizes R&D into new technology development and product development. New technology development includes early-stage concept work and proof-of-concept demonstrations. Product development begins when a commercial business opportunity is identified and continues through product validation, integration, scaling and improvement.
| Particulars | 9M Dec 2025 | FY25 | FY24 |
|---|
| R&D spend: Product development | ₹205.93 million | ₹259.92 million | ₹252.52 million |
| R&D spend: New technology development | ₹225.34 million | ₹151.30 million | ₹127.68 million |
| Total R&D spend | ₹538.26 million | ₹444.00 million | ₹504.87 million |
| R&D as percentage of revenue from operations | 6.98% | 6.74% | 9.51% |
IPORupee Insight:
For a control-technology company, R&D spend is not optional. It is the engine of future products. A high R&D culture can support differentiation, but it also requires continuous execution and successful commercialization.
Market Positioning
According to the company’s RHP disclosures based on the CRISIL Report, SEDEMAC is the first company in India to develop, design and manufacture sensorless commutation based integrated starter generator ECUs for two-wheeler and three-wheeler internal combustion engine vehicles.
The company also discloses that it is a leader in India in genset controllers with an estimated market share of 75% to 77% during the nine months ended December 31, 2025 and is among the key global players with a 14% global market share in Fiscal 2025 through genset controllers and EFI ECUs for this market.
Investor Takeaway:
Market leadership in specialized control products can be valuable, but investors should verify whether leadership continues as technology shifts toward electric mobility and newer control architectures.
Customers and Concentration
SEDEMAC works with major OEM customers. Its top customers include TVS Motor, Bajaj Auto Limited, Kirloskar Oil Engines Limited, Briggs and Stratton LLC, DEIF India Private Limited, DEIF A/S and Cummins India Limited, among others.
| Customer Concentration | 9M Dec 2025 | FY25 | FY24 | FY23 |
|---|
| TVS Motor revenue as percentage of revenue from operations | 75.48% | 80.46% | 83.46% | 79.05% |
| Top 3 customer revenue as percentage of revenue from operations | 91.22% | 87.76% | 90.63% | 90.17% |
| Top 10 customer revenue as percentage of revenue from operations | 98.67% | 98.19% | 98.30% | 98.04% |
Risk Insight:
Customer concentration is very high. This is common in deep OEM technology businesses, but it is still a major risk. Any reduction in volume from a large customer can materially impact revenue and profitability.
Raw Materials and Supplier Dependence
The company uses semiconductor components, printed circuit boards, die-cast metal and plastic parts, casings, motors and consumables. Semiconductor components form the largest raw material cost component.
| Raw Material | 9M Dec 2025 | FY25 | FY24 | FY23 |
|---|
| Semiconductor components as percentage of cost of materials consumed | 74.22% | 76.25% | 77.61% | 79.67% |
| PCBs as percentage of cost of materials consumed | 8.04% | 7.54% | 7.14% | 3.11% |
| Top 10 suppliers as percentage of total purchases | 63.63% | 63.64% | 65.63% | 63.34% |
| Imported raw material cost as percentage of revenue from operations | 43.47% | 45.97% | 54.00% | 52.62% |
Risk Insight:
Semiconductor dependence is a key monitorable. Any shortage, price increase, import disruption or supplier concentration issue can affect production schedules, margins and delivery commitments.
Domestic and Export Sales
India is the company’s largest market. The mobility segment is largely domestic, while the industrial segment has a higher export component.
| Particulars | 9M Dec 2025 | FY25 | FY24 | FY23 |
|---|
| Mobility sales within India | ₹6,503.15 million | ₹5,593.57 million | ₹4,485.89 million | ₹3,384.36 million |
| Mobility sales outside India | ₹18.63 million | ₹47.75 million | ₹58.51 million | ₹15.47 million |
| Industrial sales within India | ₹494.26 million | ₹535.70 million | ₹517.53 million | ₹606.52 million |
| Industrial sales outside India | ₹690.61 million | ₹406.61 million | ₹244.60 million | ₹223.93 million |
Insight:
The industrial generator segment has meaningful export exposure. This can help diversify geography, but it also brings risks such as currency fluctuation, global demand cycles and international customer dependency.
Quality, Warranty and Reliability
Because the company supplies critical electronic controllers, quality and reliability are very important. Warranty expenses remain a useful indicator for investors to track.
| Particulars | 9M Dec 2025 | FY25 | FY24 | FY23 |
|---|
| Warranty expenses | ₹24.13 million | ₹13.37 million | ₹3.28 million | ₹3.92 million |
| Warranty as percentage of total expenses | 0.36% | 0.22% | 0.06% | 0.09% |
| Warranty as percentage of revenue from operations | 0.31% | 0.20% | 0.06% | 0.09% |
IPORupee View:
Warranty costs are currently low as a percentage of revenue, but investors should continue to monitor them because failure in critical components can lead to replacement costs, customer issues and reputational damage.
Human Resources
As of December 31, 2025, the company had 496 on-roll employees. A large portion of the workforce is connected to R&D and engineering, which reflects the technology-led nature of the business.
| Department | Number of Employees |
|---|
| Manufacturing, Operations and Supply Chain Management | 191 |
| R&D including Design, Engineering and Product Development | 244 |
| Global Sales and Business Development | 10 |
| Finance and Accounts Department | 15 |
| Legal and Secretarial | 2 |
| Support Functions | 34 |
| Total | 496 |
Insight:
The company’s engineering and R&D employee base is a core asset. For such companies, talent retention and execution capability are as important as manufacturing capacity.
Offer Structure Point
The IPO is an offer for sale of up to 8,043,300 equity shares. There is no fresh issue component disclosed in the RHP cover details. This means the company will not receive fresh funds from the IPO; the proceeds will go to the selling shareholders.
Retail Investor Note:
An offer for sale is not automatically negative, but investors should understand that the IPO is mainly providing an exit or partial exit to existing shareholders rather than raising growth capital for the company.
7. What Retail Investors Should Understand
SEDEMAC’s story should be understood from a technology and customer integration angle. The company has strong positioning in specific control products, but the business is not widely diversified from a customer perspective. A retail investor should study how sustainable the top customer relationship is, whether new products can reduce concentration over time and whether margins remain stable as volumes grow.
The company’s R&D culture is a key strength, but it also means the company must continuously innovate. In such businesses, past technology success does not automatically guarantee future success. Investors should track product commercialization, customer additions, export growth, EV product scale-up and warranty trends.
IPORupee Final Educational View
SEDEMAC Mechatronics Limited appears to be a differentiated technology-driven electronic control systems company operating in mobility and industrial generator applications. Its high share of critical, control-intensive products, strong R&D base, improving margins and reduced leverage are notable positives.
At the same time, the company carries meaningful risks related to customer concentration, OEM dependency, semiconductor sourcing, supplier concentration and technology transition. The IPO is also an offer for sale, so investors should understand that the company is not receiving fresh growth capital from the issue.
For educational analysis, SEDEMAC should be evaluated as a specialized control-technology company rather than a simple auto component company. The key long-term questions are: can it diversify customers, sustain technology leadership, grow EV and industrial exports, manage semiconductor sourcing and maintain product reliability at scale?
Disclaimer
This content is prepared only for educational and informational purposes. It is based on publicly available information, including the Red Herring Prospectus and company disclosures. IPORupee is not giving any buy, sell, apply or do-not-apply recommendation for SEDEMAC Mechatronics Limited IPO.
The above review is not investment advice, financial advice, valuation advice or a solicitation to invest. IPO investments involve market risk, business risk, listing risk, liquidity risk and the risk of loss of capital. Investors should read the full RHP, risk factors, financial statements, offer structure and consult a qualified financial advisor before making any investment decision.
All figures are taken from the company’s disclosed documents and should be verified independently. Future performance may differ from past performance. IPORupee does not guarantee the accuracy, completeness, allotment outcome, listing gain or future return from this IPO.