About Kosaka Calibration Lab Private Limited
Data last updated:
Kosaka Calibration Lab Private Limited is a private limited company based in Ambattur, Tamil Nadu, India. It operates in the geotechnical engineering and services segment of the engineering sector. It was incorporated on 13 October 2000 and has been in existence for over 26 years.
The company is registered with the Registrar of Companies (ROC), Chennai, under CIN U33111TN2000PTC045903. The company has 2 GST registrations on record, none of which is active.
The company has an authorised share capital of ₹10 Lakh and a paid-up capital of ₹1 Lakh. It was formerly known as Khosaca Calibration Lab Private Limited. It is led by directors Ambalam Ramakanthan Ravi and Saravanan.
Its last annual general meeting (AGM) was held on 21 September 2025, and its latest financial statements are for the year ended 31 March 2025. The registered office is at No 12 Balaji Nagar Opp Sted Ford Hospital, Tmv Ambattur, Tamil Nadu, India – 600053.
As per MCA filings, the company has open charges of ₹4.39 Lakh on record.
The current compliance status is marked as compliant by the Registrar of Companies. For more details, the company can be reached via its website kosakacalibration.com.
- EmailLocked
- TelephoneLocked
- Website
- Social Media
- Registered AddressNo 12 Balaji Nagar Opp Sted Ford Hospital, Tmv Ambattur, Tamil Nadu, India – 600053
- IndustryEngineering, Geotechnical Engineering & Services
- 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
- One PDF report, delivered after checkout
Business Activity of Kosaka Calibration Lab Private Limited
The main business activity of Kosaka Calibration Lab is trade. In detail, this covers retail trading.
| Main Activity Group Code | Description of Main Activity | Business Activity Code | Description of Business Activity | Turnover Percentage |
|---|---|---|---|---|
| G | Trade | G2 | Retail Trading | Locked |
Business activity turnover details
Turnover share and past changes in activity are in the company report.
- Turnover contribution
- Historical classifications
- Filing-level activity changes
Verified entity values are shown only after access is granted.
Financials of Kosaka Calibration Lab Private Limited FY 2025 filings available
Kosaka Calibration Lab Private Limited reported revenue of ₹9,000 (up 13% YoY) for FY 2025.
Compounded Annual Growth Rate (CAGR) of Kosaka Calibration Lab Private Limited
Revenue has grown at a compounded annual rate (CAGR) of 14% over three years, including 13% growth 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 of Kosaka Calibration Lab Private Limited
| Metrics | FY 2024-25 | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 |
|---|---|---|---|---|---|
| Profit and Loss Statement | |||||
| Revenue from Operations | •••• | •••• | •••• | •••• | •••• |
| Other Income | •••• | •••• | •••• | •••• | •••• |
| Total Revenue | •••• | •••• | •••• | •••• | •••• |
| Cost of Materials Consumed | •••• | •••• | •••• | •••• | •••• |
| Employee Benefit Expense | •••• | •••• | •••• | •••• | •••• |
| Finance Costs | •••• | •••• | •••• | •••• | •••• |
| Depreciation and Amortisation | •••• | •••• | •••• | •••• | •••• |
| Other Expenses | •••• | •••• | •••• | •••• | •••• |
| Total Expenses | •••• | •••• | •••• | •••• | •••• |
| EBITDA | •••• | •••• | •••• | •••• | •••• |
| Profit Before Tax | •••• | •••• | •••• | •••• | •••• |
| Tax Expense | •••• | •••• | •••• | •••• | •••• |
| Net Profit (PAT) | •••• | •••• | •••• | •••• | •••• |
| Balance Sheet | |||||
| Share Capital | •••• | •••• | •••• | •••• | •••• |
| Reserves and Surplus | •••• | •••• | •••• | •••• | •••• |
| Net Worth (Total Equity) | •••• | •••• | •••• | •••• | •••• |
| Long-term Borrowings | •••• | •••• | •••• | •••• | •••• |
| Short-term Borrowings | •••• | •••• | •••• | •••• | •••• |
| Trade Payables | •••• | •••• | •••• | •••• | •••• |
| Total Liabilities | •••• | •••• | •••• | •••• | •••• |
| Fixed Assets | •••• | •••• | •••• | •••• | •••• |
| Investments | •••• | •••• | •••• | •••• | •••• |
| Inventories | •••• | •••• | •••• | •••• | •••• |
| Trade Receivables | •••• | •••• | •••• | •••• | •••• |
| Cash and Bank Balance | •••• | •••• | •••• | •••• | •••• |
| Total Assets | •••• | •••• | •••• | •••• | •••• |
Financial Ratios of Kosaka Calibration Lab Private Limited
| Metrics | FY 2024-25 | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 |
|---|---|---|---|---|---|
| Profitability | |||||
| EBITDA Margin | •••• | •••• | •••• | •••• | •••• |
| Net Profit Margin | •••• | •••• | •••• | •••• | •••• |
| Return on Equity (ROE) | •••• | •••• | •••• | •••• | •••• |
| Return on Capital Employed (ROCE) | •••• | •••• | •••• | •••• | •••• |
| Return on Assets (ROA) | •••• | •••• | •••• | •••• | •••• |
| Liquidity and Debt | |||||
| Current Ratio | •••• | •••• | •••• | •••• | •••• |
| Quick Ratio | •••• | •••• | •••• | •••• | •••• |
| Debt-to-Equity Ratio | •••• | •••• | •••• | •••• | •••• |
| Interest Coverage Ratio | •••• | •••• | •••• | •••• | •••• |
| Efficiency and Growth | |||||
| Asset Turnover | •••• | •••• | •••• | •••• | •••• |
| Receivable Days | •••• | •••• | •••• | •••• | •••• |
| Payable Days | •••• | •••• | •••• | •••• | •••• |
| Inventory Days | •••• | •••• | •••• | •••• | •••• |
| Revenue Growth | •••• | •••• | •••• | •••• | •••• |
| Net Profit Growth | •••• | •••• | •••• | •••• | •••• |
Paid data: the figures shown as dots are available after purchase of the company report. Figures as filed with the MCA in Form AOC-4. The full year-wise statements and ratios of Kosaka Calibration Lab are in the company report.
Financial statements from 2015
Earlier years and trend charts are in the company report.
- Income statements
- Balance sheets
- Cash-flow statements
- Ratios and benchmarks
Verified entity values are shown only after access is granted.
Peer Comparison of Kosaka Calibration Lab Private Limited
Kosaka Calibration Lab Private Limited is compared with the companies closest to it by revenue in the Engineering industry (Geotechnical Engineering). Revenue, net profit, margin and growth of each company are in the company report.
| Company | Revenue | Net profit | Margin | Growth (1 yr) | Employees | Location |
|---|---|---|---|---|---|---|
| Geovale Hydro Private Limited | •••• | •••• | •••• | •••• | - | Kolkata, West Bengal, India |
| Citoto Digital Personality Private Limited | •••• | •••• | •••• | •••• | - | Pune City, Maharashtra, India |
| Sadhan Engineers Private Limited | •••• | •••• | •••• | •••• | - | New Delhi, Delhi, India |
| Sightonsite Tech Private Limited | •••• | •••• | •••• | •••• | - | Khurda, Orissa, India |
| Enviro Geosynthetics Private Limited | •••• | •••• | •••• | •••• | - | New Delhi, Delhi, India |
| Kosaka Calibration Lab Private Limited this company | •••• | •••• | •••• | •••• | - | Ambattur, Tamil Nadu, India |
| Time Navigation Pvt Ltd | •••• | •••• | •••• | •••• | - | Kolkata, West Bengal, India |
| Geoplan Solution Private Limited | •••• | •••• | •••• | •••• | - | Itanagar, Arunachal Pradesh, India |
| Applied Geotech Solutions Private Limited | •••• | •••• | •••• | •••• | - | Noida, Uttar Pradesh, India |
Peers are the five companies nearest above and the five nearest below Kosaka Calibration Lab by revenue in the Engineering industry (Geotechnical Engineering), from the latest filed financials of each company. Revenue, net profit, margin and growth of each peer are in the company report.
Auditor Details of Kosaka Calibration Lab Private Limited
Kosaka Calibration Lab Private Limited is audited by N BALASUBRAMANIAN ASSOCIATES for the financial year 2023.
| Name | Status | Appointment Date | Cessation Date |
|---|---|---|---|
| N BALASUBRAMANIAN ASSOCIATES | Locked | Locked | Locked |
Complete auditor history
Appointment and cessation dates and past auditor changes are in the company report.
- Appointment status
- Appointment dates
- Cessation dates
- Auditor changes
Verified entity values are shown only after access is granted.
Board of Directors of Kosaka Calibration Lab Private Limited
Kosaka Calibration Lab has 2 directors on record. No former directors are listed.
| Name | Designation | Appointment Date | Tenure | Status |
|---|---|---|---|---|
| Ambalam Ramakanthan Ravi Also directs: Precision Products Marketing Private Limited | Director | 13 Oct 2000 | 25 Years 11 Months | Current |
| Saravanan | Director | 29 Aug 2001 | 25 Years 1 Months | Current |
Ownership and Shareholding of Kosaka Calibration Lab Private Limited
Shareholding and ownership data
Promoter, institutional, public and beneficial ownership figures are in the company report.
- Ownership categories
- Historical changes
- Group structure
- FII and DII holdings
Verified entity values are shown only after access is granted.
Charges & Borrowings of Kosaka Calibration Lab Private Limited
| Date | Lender | Amount | Status |
|---|---|---|---|
| 22 Dec 2005 | Sundaram Finance Limited | ₹4.39 Lakh | Open |
Total charge records: 1 View all charges
Employees and EPFO Compliance at Kosaka Calibration Lab Private Limited
Employment history and EPFO contributions of people linked to Kosaka Calibration Lab.
Employee and EPFO history
Monthly headcount, contribution history and filing status are in the company report.
- Monthly headcount
- PF contributions
- ECR filing status
- Establishment history
Verified entity values are shown only after access is granted.
Recent Activity on Kosaka Calibration Lab Private Limited
Kosaka Calibration Lab Private Limited has 2 board changes on record since 2000: 2 appointments. The latest: Saravanan was appointed as Director on 29 Aug 2001.
Credit Ratings, Litigation & Regulatory Alerts for Kosaka Calibration Lab Private Limited
Credit ratings, litigation, and regulatory alerts
Credit ratings, court records and regulatory alerts are in the company report.
- Rating history
- Court and tribunal cases
- Regulatory alerts
- Director-linked violations
Verified entity values are shown only after access is granted.
MSME Payment Delays by Kosaka Calibration Lab Private Limited
MSME payment history
Amounts due to small suppliers, the reasons given and MSME-1 filings are in the company report.
- Outstanding amounts
- Delay periods and reasons
- MSME-1 filing history
- Vendor payment signals
Verified entity values are shown only after access is granted.
Subsidiaries & Group Companies of Kosaka Calibration Lab Private Limited
Corporate group structure
Parent, subsidiary, associate and joint venture records with holdings are in the company report.
- Parent company
- Subsidiaries and ownership
- Associates and joint ventures
- Entity investments
Verified entity values are shown only after access is granted.
GST Compliance of Kosaka Calibration Lab Private Limited
Kosaka Calibration Lab has 2 GST registrations on record, and all of them have been cancelled or are inactive. Only active GST numbers are listed on this page.
GST registrations and filing compliance
State-wise GST registrations, return filing status and HSN or SAC codes are in the company report.
- GSTIN registrations
- State-wise filing status
- HSN and SAC details
- Tax jurisdiction records
Verified entity values are shown only after access is granted.
MCA Filings & Documents of Kosaka Calibration Lab Private Limited
MCA filings and documents
Filed forms, annual returns, financial statements and charge filings with their dates are in the company report.
- Incorporation documents
- Annual returns and statements
- Charge filings
- Complete filing index
Verified entity values are shown only after access is granted.
Frequently Asked Questions about Kosaka Calibration Lab Private Limited
Kosaka Calibration Lab is an active private limited company based in Ambattur, Tamil Nadu, India. The company works in geotechnical engineering and services, within the engineering industry. It was incorporated on 13 October 2000 (26+ years old) and is registered under CIN U33111TN2000PTC045903.
Kosaka Calibration Lab has 2 current directors:
- Ambalam Ramakanthan Ravi - Director
- Saravanan - Director
No. Kosaka Calibration Lab has 2 GST registrations on record and all of them are cancelled or inactive.
The CIN (Corporate Identification Number) of Kosaka Calibration Lab is U33111TN2000PTC045903. It is issued by the Ministry of Corporate Affairs under the Companies Act, 2013, and uniquely identifies the company in India.
Kosaka Calibration Lab was incorporated on 13 October 2000, making it 26+ years old. It is registered with the Registrar of Companies, Chennai.
The peers of Kosaka Calibration Lab by revenue are Geovale Hydro Private Limited, Citoto Digital Personality Private Limited, Sadhan Engineers Private Limited, Sightonsite Tech Private Limited, Enviro Geosynthetics Private Limited and 3 more, all in the Engineering industry (Geotechnical Engineering).
Saravanan was appointed as Director on 29 Aug 2001. Ambalam Ramakanthan Ravi was appointed as Director on 13 Oct 2000.
Kosaka Calibration Lab can be reached through the website kosakacalibration.com. Its registered office is in Ambattur, Tamil Nadu, India.
The registered office of Kosaka Calibration Lab is at No 12 Balaji Nagar Opp Sted Ford Hospital, Tmv Ambattur, Tamil Nadu, India – 600053.
Kosaka Calibration Lab has an authorised share capital of ₹10 Lakh and a paid-up capital of ₹1 Lakh.
Kosaka Calibration Lab operates in the engineering industry, in the geotechnical engineering and services segment.