MSME (Udyam registered) Ministry of MSME
- Category
- Small (2024-25)
- Udyam number
- UDYAM-WB-10-0016292
Sienna Engineers Pvt Ltd - infrastructure and utilities in Kolkata, West Bengal, India. FY 2026 financials & compliance.
Revenue · FY 2025
₹10.66 Cr
▲ 22% YoY
Net profit · FY 2025
₹9.87 Lakh
Net margin 0.9%
EBITDA · FY 2025
₹26.82 Lakh
EBITDA margin 2.5%
Authorised capital
₹10 Lakh
Registered with MCA
Paid-up capital
₹1 Lakh
Issued & subscribed
Open charges
₹3.82 Cr
Secured borrowings
Company age
35 yrs
Est. 1991
Employees · EPFO
118
Provident fund records
About Sienna Engineers Pvt Ltd
Data last updated:
Sienna Engineers Pvt Ltd is a private limited company based in Kolkata, West Bengal, India. It operates in the general construction services segment of the infrastructure and utilities sector. It was incorporated on 22 March 1991 and has been in existence for over 35 years.
The company is registered with the Registrar of Companies (ROC), Kolkata, under CIN U51109WB1991PTC051223. Its GSTIN is 19AAECS6640P1ZO (West Bengal). The company holds 2 GST registrations, of which 1 is active.
The company has an authorised share capital of ₹10 Lakh and a paid-up capital of ₹1 Lakh. It is led by directors including Sankalita Mukherjee Sengupta (Whole-Time Director) and Debashis Ghosh (Whole-Time Director).
Its last annual general meeting (AGM) was held on 30 September 2025, and its latest financial statements are for the year ended 31 March 2025. The registered office is at 22 B Cockler Lane, Kolkata, West Bengal, India – 700029.
As per the financials filed for FY 2025, the company reported a revenue of ₹10.66 Cr, a growth of 22% compared to the previous year. For the same year it recorded a net profit of ₹9.87 Lakh (net margin 0.9%) and EBITDA of ₹26.82 Lakh (EBITDA margin 2.5%). Revenue has declined at a compounded annual rate (CAGR) of 19% over three years and 4% over five years.
The company has about 118 employees on its provident fund (EPFO) records.
As per MCA filings, the company has open charges of ₹3.82 Cr on record. Court records list 1 case involving the company, including 1 filed by the company; 1 case is pending.
Sienna Engineers Pvt Ltd is registered as a small enterprise under the Udyam registration framework (Reg. No. UDYAM-WB-10-0016292). The current compliance status is marked as compliant by the Registrar of Companies. For more details, the company can be reached via its website siennaengineers.com.
Company details
CIN U51109WB1991PTC051223
Registration Number 051223
Incorporation Date 22 March 1991
ROC Kolkata
Listing Status Unlisted
Company Status Active
Date of Last AGM 30 September 2025
Date of Balance Sheet 31 March 2025
Compliance Status Active Compliant
MSME Classification Small
Udyam Registration UDYAM-WB-10-0016292
Key People
Sankalita Mukherjee Sengupta Whole-Time Director Debashis Ghosh Whole-Time Director Kausik Mukherjee Whole-Time Director Recognitions & Rankings of Sienna Engineers
Contact details
Sienna Engineers Pvt Ltd's registered office is in Kolkata, West Bengal. Its website is siennaengineers.com. Its e-mail address and telephone number are in the company report.
- Email
- Telephone
- Website
- Registered Address22 B Cockler Lane, Kolkata, West Bengal, India – 700029
- IndustryInfrastructure and Utilities, General Construction Services
To see the full contact details of Sienna Engineers Pvt Ltd, buy the company report.
Comprehensive company report
Sienna Engineers Pvt Ltd - one report that includes everything
- 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
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Business activity
The main business activity of Sienna Engineers is construction. In detail, this covers buildings.
| Main activity group code | Main activity | Business activity code | Business activity | Share of turnover |
|---|---|---|---|---|
| F | Construction | F1 | Buildings |
To see the full business activity and turnover split of Sienna Engineers Pvt Ltd, buy the company report.
Financials of Sienna Engineers Pvt Ltd
FY 2025 filings availableSienna Engineers Pvt Ltd reported revenue of ₹10.66 Cr (up 22% YoY) for FY 2025.
Revenue · FY 2025
₹10.66 Cr ▲ 22%
Net profit · FY 2025
₹9.87 Lakh margin 0.9%
EBITDA · FY 2025
₹26.82 Lakh margin 2.5%
Compounded Annual Growth Rate (CAGR)
Revenue CAGR growth
1 year
▲ 22%
3 years · compounded
▲ 19%
5 years · compounded
▼ 4%
EBITDA CAGR growth
1 year
▼ 1%
3 years · compounded
▼ 2%
5 years · compounded
▼ 19%
Revenue rose 22% in the latest year, though over five years it has declined at a compounded annual rate (CAGR) of 4%. EBITDA fell 1% 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 2024-25 | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 |
|---|---|---|---|---|---|
| Profit and Loss Statement | |||||
| Revenue from Operations | |||||
| Other Income | |||||
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| Cost of Materials Consumed | |||||
| Employee Benefit Expense | |||||
| Finance Costs | |||||
| Depreciation and Amortisation | |||||
| Other Expenses | |||||
| Total Expenses | |||||
| EBITDA | ₹26.82 Lakh | ||||
| Profit Before Tax | |||||
| Tax Expense | |||||
| Net Profit (PAT) | ₹9.87 Lakh | ||||
| Balance Sheet | |||||
| Share Capital | |||||
| Reserves and Surplus | |||||
| Net Worth (Total Equity) | |||||
| Long-term Borrowings | |||||
| Short-term Borrowings | |||||
| Trade Payables | |||||
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| Fixed Assets | |||||
| Investments | |||||
| Inventories | |||||
| Trade Receivables | |||||
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Financial Ratios
| Metrics | FY 2024-25 | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 |
|---|---|---|---|---|---|
| Profitability | |||||
| EBITDA Margin | 2.5% | ||||
| Net Profit Margin | 0.9% | ||||
| Return on Equity (ROE) | |||||
| Return on Capital Employed (ROCE) | |||||
| Return on Assets (ROA) | |||||
| Liquidity and Debt | |||||
| Current Ratio | |||||
| Quick Ratio | |||||
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| Efficiency and Growth | |||||
| Asset Turnover | |||||
| Receivable Days | |||||
| Payable Days | |||||
| Inventory Days | |||||
| Revenue Growth | |||||
| Net Profit Growth | |||||
To see the full financial statements and ratios of Sienna Engineers Pvt Ltd, buy the company report.
Board of directors of Sienna Engineers Pvt Ltd
Sienna Engineers has 11 directors on record. No former directors are listed.
Current Directors
| Name | Designation | Appointment Date | Tenure | Status |
|---|---|---|---|---|
| Sankalita Mukherjee Sengupta | Whole-Time Director | 25 Mar 2019 | 7 Years 7 Months | Current |
| Debashis Ghosh Also directs: Dien Chemicals Pvt Ltd, Duracote (India) Pvt. Ltd. | Whole-Time Director | 22 Mar 1991 | 35 Years 7 Months | Current |
| Kausik Mukherjee Also directs: Dien Chemicals Pvt Ltd, Duracote (India) Pvt. Ltd. | Whole-Time Director | 22 Mar 1991 | 35 Years 7 Months | Current |
| Sreerupa Nundy | Whole-Time Director | 22 Mar 1991 | 35 Years 7 Months | Current |
| Sangita Ghosh | Whole-Time Director | 22 Mar 1991 | 35 Years 7 Months | Current |
| Ashoke Nundy Also directs: Duracote (India) Pvt. Ltd. | Whole-Time Director | 22 Mar 1991 | 35 Years 7 Months | Current |
Showing 6 of 11 current directors. View all directors
Peer comparison
Sienna Engineers Pvt Ltd is compared with the 4 companies closest to it by revenue in the Infrastructure industry (Construction Services), with the same principal business activity (buildings), from the latest filed financials of each company.
| Company | Revenue | Net profit | Margin | Growth (1 yr) | Employees | Location |
|---|---|---|---|---|---|---|
| Platinum Mall Private Limited | ₹10.68 Cr (FY 2025) | -40.0% | Lucknow, Uttar Pradesh, India | |||
| Harshvi Projects Private Limited | ₹10.67 Cr (FY 2021) | 30.0% | Navsari, Gujarat, India | |||
| Sienna Engineers Pvt Ltdthis company | ₹10.66 Cr (FY 2025) | ₹9.87 Lakh | 0.9% | 22.0% | 118 | Kolkata, West Bengal, India |
| San Turnkey Projects Private Limited | ₹10.62 Cr (FY 2024) | -21.0% | Mumbai, Maharashtra, India | |||
| Das Techno Engineers India Private Limited | ₹10.62 Cr (FY 2025) | 36.0% | Margao, Goa, India |
To see the full peer comparison of Sienna Engineers Pvt Ltd, buy the company report.
Auditor
Sienna Engineers Pvt Ltd is audited by AMITAVA BANIK AND ASSOCIATES for the financial year 2023.
| Auditor firm | Financial year | Firm registration number |
|---|---|---|
| AMITAVA BANIK AND ASSOCIATES | FY 2023 | 319224E |
Shareholding
The shareholding of Sienna Engineers Pvt Ltd is on record for 5 financial years, the latest being FY 2023, split between promoters, domestic institutions, foreign institutions, public shareholders and others.
| Shareholder category | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 |
|---|---|---|---|---|---|
| Promoters | |||||
| Domestic institutional investors (DII) | |||||
| Foreign institutional investors (FII) | |||||
| Public | |||||
| Others |
To see the full shareholding pattern of Sienna Engineers Pvt Ltd, buy the company report.
Charges & borrowings
Open charges
₹3.82 Cr
Satisfied charges
None
Breakdown by lending institutions
Latest charge details
| Date | Charge ID | Lender | Amount | Status | Modified or satisfied on |
|---|---|---|---|---|---|
| 04 Feb 2025 | 101050799 | Others | ₹1.24 Cr | Open | |
| 19 Dec 2020 | 100438582 | Hdfc Bank Limited | ₹4 Lakh | Open | |
| 07 Feb 2017 | 100101308 | Hdfc Bank Limited | ₹1.25 Cr | Open | |
| 30 Mar 2016 | 100020619 | Standard Chartered Bank | ₹89.42 Lakh | Open | |
| 26 Feb 2016 | 10624328 | Hdfc Bank Limited | ₹40 Lakh | Open |
Total charge records: 5 View all charges
Legal cases
Sienna Engineers Pvt Ltd has 1 court case on record: 1 filed by Sienna Engineers. All case is pending.
Total cases
1
Filed by the company
1
Pending
1
Cases by court
| Court | Cases | Against the company | Pending |
|---|---|---|---|
| District courts | 1 | 0 | 1 |
Cases on record (1 of 1)
| Court | Type of case | Party | Status |
|---|---|---|---|
| District court, South Twenty Four Parganas, West Bengal | Criminal complaint | Filed by the company against an individual | Pending |
To see the full case history of Sienna Engineers Pvt Ltd, 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 Sienna Engineers Pvt Ltd; the supplier-wise MSME Form 1 check is in the company report Buy the company report.
Employees & EPFO
Sienna Engineers Pvt Ltd has a workforce of 118 employees on its EPFO records as of May 2026, across 1 active EPFO establishment.
Employee count
118
Active EPFO establishments
1
Employee growth
-0.8%
Headcount by financial year
| Financial year | Employees (EPFO) |
|---|---|
| FY 2026-27 | 118 |
| FY 2025-26 | |
| FY 2024-25 | |
| FY 2023-24 | |
| FY 2022-23 | |
| FY 2021-22 | |
| FY 2020-21 | |
| FY 2019-20 | |
| FY 2018-19 | |
| FY 2017-18 | |
| FY 2016-17 |
To see the full employee and EPFO history of Sienna Engineers Pvt Ltd, buy the company report.
GST
Sienna Engineers has 2 GST registrations: 1 active and 1 cancelled or inactive.
Total GSTINs
2
Active
1
Cancelled / inactive
1
| GSTIN | State | Status | Registered on |
|---|---|---|---|
| 19AAECS6640P1ZO | West Bengal | Active | 01 Jul 2017 |
To see the full GST registrations and return filing status of Sienna Engineers Pvt Ltd, buy the company report.
Recent activity
Sienna Engineers Pvt Ltd has 11 board changes on record since 1991: 11 appointments. The latest: Dwaipayan Ghosh was appointed as Whole-Time Director on 25 Mar 2019.
AGM
Sienna Engineers Pvt Ltd last Annual general meeting of members was held on 30 Sep 2025 as per latest MCA records.
Filing
Sienna Engineers Pvt Ltd has filed its annual Financial statements for the year ended 31 Mar 2025 with Roc Kolkata.
Charges
A charge with Others amounted to Rs. 124.00 Lakh with Charge ID 101050799 was registered on 04 Feb 2025.
Charges
A charge with Hdfc Bank Limited amounted to Rs. 4.00 Lakh with Charge ID 100438582 was registered on 19 Dec 2020.
Appointed
Dwaipayan Ghosh was appointed as Whole-Time Director.
Appointed
Sambuddha Mukherjee was appointed as Whole-Time Director.
Appointed
Sankalita Mukherjee Sengupta was appointed as Whole-Time Director.
Charges
A charge with Hdfc Bank Limited amounted to Rs. 124.56 Lakh with Charge ID 100101308 was registered on 07 Feb 2017.
Charges
A charge with Standard Chartered Bank amounted to Rs. 89.42 Lakh with Charge ID 100020619 was registered on 30 Mar 2016.
Charges
A charge with Hdfc Bank Limited amounted to Rs. 40.00 Lakh with Charge ID 10624328 was registered on 26 Feb 2016.
Appointed
Ashoke Nundy was appointed as Whole-Time Director.
Appointed
Debashis Ghosh was appointed as Whole-Time Director.
7 earlier events are in the company report.
Frequently asked questions
Sienna Engineers is an active private limited company based in Kolkata, West Bengal, India. The company works in general construction services, within the infrastructure and utilities industry. It was incorporated on 22 March 1991 (35+ years old) and is registered under CIN U51109WB1991PTC051223.
Sienna Engineers has 11 current directors:
- Sankalita Mukherjee Sengupta - Whole-Time Director
- Debashis Ghosh - Whole-Time Director
- Kausik Mukherjee - Whole-Time Director
- Sreerupa Nundy - Whole-Time Director
- Sangita Ghosh - Whole-Time Director
- Ashoke Nundy - Whole-Time Director
- Indrani Mukherjee - Whole-Time Director
- Dwaipayan Ghosh - Whole-Time Director
- Sandip Kumar Mukhopadhyay - Whole-Time Director
- Jhuma Mukhopadhyay - Whole-Time Director
- Sambuddha Mukherjee - Whole-Time Director
The latest financial statements of Sienna Engineers on record with the MCA are for the year ended 31 March 2025. Its last annual general meeting was held on 30 September 2025. Year-wise statements from 2015 are in the company report.
The GSTIN of Sienna Engineers is 19AAECS6640P1ZO, registered in West Bengal. The company has 2 GST registrations in all, of which 1 is active and 1 is cancelled or inactive.
The CIN (Corporate Identification Number) of Sienna Engineers is U51109WB1991PTC051223. It is issued by the Ministry of Corporate Affairs under the Companies Act, 2013, and uniquely identifies the company in India.
Sienna Engineers has 1 court case on record: 1 filed by the company. 1 is pending.
Sienna Engineers was incorporated on 22 March 1991, making it 35+ years old. It is registered with the Registrar of Companies, Kolkata.
The peers of Sienna Engineers by revenue are Platinum Mall Private Limited, Harshvi Projects Private Limited, San Turnkey Projects Private Limited, Das Techno Engineers India Private Limited, all in the Infrastructure industry (Construction Services), with the same principal business activity (buildings).
Dwaipayan Ghosh was appointed as Whole-Time Director on 25 Mar 2019. Sambuddha Mukherjee was appointed as Whole-Time Director on 25 Mar 2019. Sankalita Mukherjee Sengupta was appointed as Whole-Time Director on 25 Mar 2019. Sienna Engineers has 11 board changes on record in total.
Yes, Sienna Engineers is registered as a small enterprise under Udyam registration (number: UDYAM-WB-10-0016292).
Sienna Engineers can be reached through the website siennaengineers.com. Its registered office is in Kolkata, West Bengal, India.
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