- Category
- Micro (2024-25)
- Udyam number
- UDYAM-TN-02-0128154

About Air Treatment Engineering Private Limited
Data last updated:
Air Treatment Engineering Private Limited is a private limited company based in Chennai, Tamil Nadu, India. It operates in the business and IT consulting segment of the business process outsourcing sector. It was incorporated on 19 June 1998 and has been in existence for over 28 years.
The company is registered with the Registrar of Companies (ROC), Chennai, under CIN U29309TN1998PTC040691. Its GSTIN is 33AACCA9644B1Z1 (Tamil Nadu). The company holds 5 GST registrations, of which 1 is active.
The company has an authorised share capital of ₹25 Lakh and a paid-up capital of ₹23.9 Lakh. It is led by directors Kovilpatti Palaniappan Saroja Ramesh (Managing Director) and Palaniappan Selvakumar.
Its last annual general meeting (AGM) was held on 10 November 2025, and its latest financial statements are for the year ended 31 March 2025. The registered office is at L6 2nd West Street Kamaraj Nagar Thiruvanmiyur, Chennai, Tamil Nadu, India – 600041.
As per the financials filed for FY 2024, the company reported a revenue of ₹4.12 Cr, a growth of 12% compared to the previous year. For the same year it recorded a net profit of ₹43.45 Lakh (net margin 10.5%) and EBITDA of ₹81.6 Lakh (EBITDA margin 19.8%). Revenue has grown at a compounded annual rate (CAGR) of 15% over three years and 2% over five years.
The company has about 7 employees on its provident fund (EPFO) records.
Court records list 1 case involving the company, including 1 filed against it.
Air Treatment Engineering Private Limited is registered as a micro enterprise under the Udyam registration framework (Reg. No. UDYAM-TN-02-0128154). The current compliance status is marked as compliant by the Registrar of Companies. For more details, the company can be reached via its website airtreatment.in.
Company details
Recognitions & Rankings of Air Treatment Engineering
Contact details
Air Treatment Engineering Private Limited's registered office is in Chennai, Tamil Nadu. Its website is airtreatment.in. Its e-mail address and telephone number are in the company report.
- Email
- Telephone
- Website
- Registered AddressL6 2nd West Street Kamaraj Nagar Thiruvanmiyur, Chennai, Tamil Nadu, India – 600041
- IndustryBusiness Outsourcing, Business & IT Consulting
To see the full contact details of Air Treatment Engineering Private Limited, buy the company report.
- Company details, directors and signatories
- Historical financials and ratios
- Shareholding pattern and group structure
- Charges with holder and property details
- Legal cases, compliance and MCA filings
Business activity
The main business activity of Air Treatment Engineering is professional, scientific and technical. In detail, this covers other professional, scientific and technical activities.
| Main activity group code | Main activity | Business activity code | Business activity | Share of turnover |
|---|---|---|---|---|
| M | Professional, Scientific and Technical | M9 | Other professional, scientific and technical activities |
To see the full business activity and turnover split of Air Treatment Engineering Private Limited, buy the company report.
Financials of Air Treatment Engineering Private Limited
FY 2025 filings availableAir Treatment Engineering Private Limited reported revenue of ₹4.12 Cr (up 12% YoY) for FY 2024.
Compounded Annual Growth Rate (CAGR)
Revenue has grown at a compounded annual rate (CAGR) of 2% over five years, including 12% growth in the latest year. EBITDA rose 18% in the latest year. Three- and five-year figures are compounded annual growth rates (CAGR): the steady yearly rate that links the first and the last year. All are worked out from the filed statements.
Financial Statement Summary
| Metrics | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 | FY 2019-20 |
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| EBITDA | ₹81.6 Lakh | ||||
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| Net Profit (PAT) | ₹43.45 Lakh | ||||
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Financial Ratios
| Metrics | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 | FY 2019-20 |
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| EBITDA Margin | 19.8% | ||||
| Net Profit Margin | 10.5% | ||||
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To see the full financial statements and ratios of Air Treatment Engineering Private Limited, buy the company report.
Board of directors of Air Treatment Engineering Private Limited
Air Treatment Engineering has 2 directors on record. No former directors are listed.
| Name | Designation | Appointment Date | Tenure | Status |
|---|---|---|---|---|
| Kovilpatti Palaniappan Saroja Ramesh | Managing Director | 19 Jun 1998 | 28 Years 4 Months | Current |
| Palaniappan Selvakumar Also directs: Gaugamela Clothing LLP | Director | 19 Jun 1998 | 28 Years 4 Months | Current |
Auditor
Air Treatment Engineering Private Limited is audited by C SUDHAHAR & ASSOCIATES for the financial year 2019.
| Auditor firm | Financial year | Firm registration number |
|---|---|---|
| C SUDHAHAR & ASSOCIATES | FY 2019 | 012936S |
Shareholding
The shareholding of Air Treatment Engineering Private Limited is on record for 3 financial years, the latest being FY 2019, split between promoters, domestic institutions, foreign institutions, public shareholders and others.
| Shareholder category | FY 2019 | FY 2017 | FY 2016 |
|---|---|---|---|
| Promoters | |||
| Domestic institutional investors (DII) | |||
| Foreign institutional investors (FII) | |||
| Public | |||
| Others |
To see the full shareholding pattern of Air Treatment Engineering Private Limited, buy the company report.
Legal cases
Air Treatment Engineering Private Limited has 1 court case on record: 1 filed against it. All case is disposed.
Cases by court
| Court | Cases | Against the company | Pending |
|---|---|---|---|
| District courts | 1 | 1 | 0 |
Cases on record (1 of 1)
| Court | Type of case | Party | Status |
|---|---|---|---|
| District court, BENGALURU, Karnataka | Civil suit | Filed against the company by an individual | Disposed |
To see the full case history of Air Treatment Engineering Private Limited, buy the company report.
Case records are compiled from court listings and may lag the court's own records. A case filed against a company is not a finding against it.
MSME payment delays
No delayed payments to MSME suppliers are on our record for Air Treatment Engineering Private Limited; the supplier-wise MSME Form 1 check is in the company report Buy the company report.
Employees & EPFO
Air Treatment Engineering Private Limited has a workforce of 7 employees on its EPFO records as of Apr 03, 2024, across 1 active EPFO establishment.
GST
Air Treatment Engineering has 5 GST registrations: 1 active and 4 cancelled or inactive.
| GSTIN | State | Status | Registered on |
|---|---|---|---|
| 33AACCA9644B1Z1 | Tamil Nadu | Active | 01 Jul 2017 |
To see the full GST registrations and return filing status of Air Treatment Engineering Private Limited, buy the company report.
Recent activity
Air Treatment Engineering Private Limited has 2 board changes on record since 1998: 2 appointments. The latest: Kovilpatti Palaniappan Saroja Ramesh was appointed as Managing Director on 19 Jun 1998.
Frequently asked questions
Air Treatment Engineering is an active private limited company based in Chennai, Tamil Nadu, India. The company works in business and IT consulting, within the business outsourcing industry. It was incorporated on 19 June 1998 (28+ years old) and is registered under CIN U29309TN1998PTC040691.
Air Treatment Engineering has 2 current directors:
- Kovilpatti Palaniappan Saroja Ramesh - Managing Director
- Palaniappan Selvakumar - Director
The latest financial statements of Air Treatment Engineering on record with the MCA are for the year ended 31 March 2025. Its last annual general meeting was held on 10 November 2025. Year-wise statements from 2015 are in the company report.
The GSTIN of Air Treatment Engineering is 33AACCA9644B1Z1, registered in Tamil Nadu. The company has 5 GST registrations in all, of which 1 is active and 4 are cancelled or inactive.
The CIN (Corporate Identification Number) of Air Treatment Engineering is U29309TN1998PTC040691. It is issued by the Ministry of Corporate Affairs under the Companies Act, 2013, and uniquely identifies the company in India.
Air Treatment Engineering has 1 court case on record: 1 filed against it.
Air Treatment Engineering was incorporated on 19 June 1998, making it 28+ years old. It is registered with the Registrar of Companies, Chennai.
Kovilpatti Palaniappan Saroja Ramesh was appointed as Managing Director on 19 Jun 1998. Palaniappan Selvakumar was appointed as Director on 19 Jun 1998.
Yes, Air Treatment Engineering is registered as a micro enterprise under Udyam registration (number: UDYAM-TN-02-0128154).
Air Treatment Engineering can be reached through the website airtreatment.in. Its registered office is in Chennai, Tamil Nadu, India.

