About Underwater Services Company Limited
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Underwater Services Company Limited is a public limited company based in Mumbai, Maharashtra, India, a subsidiary of Samson Maritime Limited. It operates in the port infrastructure and development segment of the infrastructure and utilities sector. It was incorporated on 08 August 2008 and has been in existence for over 18 years.
The company is registered with the Registrar of Companies (ROC), Mumbai, under CIN U45200MH2008PLC185622. Its GSTIN is 27AABCU0302K1ZN (Maharashtra). The company holds 5 GST registrations, all of them active.
The company has an authorised share capital of ₹5 Cr and a paid-up capital of ₹4.02 Cr. It was formerly known as Subaqua Infrastructure Limited. It is led by directors including Dibyendu Bose and Ashwin Mohan Samant.
Its last annual general meeting (AGM) was held on 31 October 2025, and its latest financial statements are for the year ended 31 March 2025. The registered office is at 23/24 Bpt Building Mallet Bunder, Mumbai, Maharashtra, India – 400009.
As per the financials filed for FY 2025, the company reported a revenue of ₹191.31 Cr, a decline of 1% compared to the previous year. For the same year it recorded a net loss of ₹8.1 Cr (net margin -4.2%) and EBITDA of ₹5.38 Cr (EBITDA margin 2.8%). Revenue has declined at a compounded annual rate (CAGR) of 3% over three years.
The company is associated with 1 brand: Samson Maritime. As per MCA filings, the company has open charges of ₹123.97 Cr and satisfied charges of ₹161 Cr on record. Court records list 36 cases involving the company, including 16 filed by the company and 20 filed against it; 4 cases are pending. The company has 1 deal on record (1 secondary share transfer); the latest was in September 2014. The company has 14 MSME Form 1 returns on record between 2018 and 2023, listing 1,524 overdue payments to 57 micro and small suppliers.
The current compliance status is marked as compliant by the Registrar of Companies. For more details, the company can be reached via its website samsonmaritime.com.
Company details
Contact details
Underwater Services Company Limited's registered office is in Mumbai, Maharashtra. Its website is samsonmaritime.com. Its e-mail address and telephone number are in the company report.
- Email
- Telephone
- Website
- Registered Address23/24 Bpt Building Mallet Bunder, Mumbai, Maharashtra, India – 400009
- IndustryInfrastructure and Utilities, Port Infrastructure & Development
To see the full contact details of Underwater Services Company 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
Brands
Underwater Services Company operates one associated brand: Samson Maritime. Each brand links to its own profile.
| Brand | Description | Website |
|---|---|---|
| Maritime shipping services are provided from Mumbai, India. | samsonmaritime.com |
Business activity
The main business activity of Underwater Services Company is support service to organizations. In detail, this covers other support services to organizations.
| Main activity group code | Main activity | Business activity code | Business activity | Share of turnover |
|---|---|---|---|---|
| N | Support service to Organizations | N7 | Other support services to organizations |
To see the full business activity and turnover split of Underwater Services Company Limited, buy the company report.
Financials of Underwater Services Company Limited
FY 2025 filings availableUnderwater Services Company Limited reported revenue of ₹191.31 Cr (down 1% YoY) for FY 2025.
Compounded Annual Growth Rate (CAGR)
Revenue has declined at a compounded annual rate (CAGR) of 3% over three years, including a 1% fall in the latest year. EBITDA fell 78% 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 |
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| EBITDA | ₹5.38 Cr | ||||
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| Net Profit (PAT) | -₹8.1 Cr | ||||
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Financial Ratios
| Metrics | FY 2024-25 | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 |
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| Profitability | |||||
| EBITDA Margin | 2.8% | ||||
| Net Profit Margin | -4.2% | ||||
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To see the full financial statements and ratios of Underwater Services Company Limited, buy the company report.
Board of directors of Underwater Services Company Limited
Underwater Services Company has 3 current directors and 9 former directors. Current directors are listed first, with their designation and appointment date.
| Name | Designation | Appointment Date | Tenure | Status |
|---|---|---|---|---|
| Dibyendu Bose Also directs: Vedanta Iron and Steel Limited, Etrans Solutions Private Limited | Director | 21 Mar 2025 | 1 Years 7 Months | Current |
| Ashwin Mohan Samant | Director | 31 Dec 2009 | 16 Years 10 Months | Current |
| Mohan Bhalchandra Samant Also directs: Samson Maritime Limited, Thalassa Ship Management Limited | Director | 08 Aug 2008 | 18 Years 2 Months | Current |
Auditor
Underwater Services Company Limited is audited by Joshi & Shah for the financial year 2023.
| Auditor firm | Financial year | Firm registration number |
|---|---|---|
| Joshi & Shah | FY 2023 | 144627W |
Shareholding
The shareholding of Underwater Services Company Limited is on record for 5 financial years, the latest being FY 2022, split between promoters, domestic institutions, foreign institutions, public shareholders and others.
| Shareholder category | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 |
|---|---|---|---|---|---|
| Promoters | |||||
| Domestic institutional investors (DII) | |||||
| Foreign institutional investors (FII) | |||||
| Public | |||||
| Others |
To see the full shareholding pattern of Underwater Services Company Limited, buy the company report.
Charges & borrowings
| Date | Charge ID | Lender | Amount | Status | Modified or satisfied on |
|---|---|---|---|---|---|
| 05 Sep 2025 | 101160531 | Others | ₹9.21 Cr | Open | |
| 28 Nov 2024 | 101015600 | Others | ₹2 Cr | Open | |
| 11 Sep 2020 | 100371086 | Others | ₹26.9 Cr | Open | |
| 29 May 2019 | 100268117 | Others | ₹10.5 Cr | Open | |
| 05 Mar 2015 | 10558158 | Others | ₹3.01 Cr | Open |
To see the full charge records of Underwater Services Company Limited, buy the company report.
Total charge records: 18 View all charges
Deals & funding
Underwater Services Company Limited has 1 deal on record (1 secondary share transfer); the latest was in September 2014.
Deals on record (1 of 1)
| When | Deal | Amount | Parties |
|---|---|---|---|
| Sep 2014 | Secondary share transfer | Undisclosed | Buyer: an individual Seller: Suresh Samant HUF |
Deal records are compiled from filings and public sources; amounts are shown only where the source reported them.
Legal cases
Underwater Services Company Limited has 36 court cases on record: 16 filed by Underwater Services Company, 20 filed against it. 4 cases are pending and 32 are disposed.
Cases by court
| Court | Cases | Against the company | Pending |
|---|---|---|---|
| High courts | 27 | 11 | 3 |
| Supreme Court | 6 | 6 | 1 |
| District courts | 3 | 3 | 0 |
Cases on record (5 of 36)
| Court | Type of case | Party | Status |
|---|---|---|---|
| Supreme Court | Court case (1601-Direct Taxation : Income Tax Act, 1961, Wealth Tax Act, 1957, Gift Tax Act, 1958, Excess Profits Tax Act, 1940, Business Profit Tax Act, 1947 [other than matters covered by categories 1602-1605]) | Filed against the company by Assistant Commissioner of Income Tax Central Circle 5(3) and 3 others | Disposed |
| Bombay High Court | Court case (S) | Filed against the company by Samson Maritime Limited | Pending |
| Bombay High Court | Interim or miscellaneous application | Filed against the company by Samson Maritime Limited | Pending |
| Bombay High Court | Interim or miscellaneous application | Filed against the company by J M Baxi Marine Services Private Limited | Disposed |
| Bombay High Court | Interim or miscellaneous application | Filed against the company by Samson Maritime Limited | Disposed |
To see the full case history of Underwater Services Company 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.
Credit ratings & regulatory alerts
Underwater Services Company Limited was last rated by Care on 25 Jul 2022.
| Rating agency | Rated on | Rating |
|---|---|---|
| Care | 25 Jul 2022 |
To see the full credit ratings and regulatory alerts of Underwater Services Company Limited, buy the company report.
MSME payment delays
Underwater Services Company Limited has 14 MSME Form 1 returns on record between 2018 and 2023, listing 1,524 overdue payments to 57 micro and small suppliers. Companies must report dues to micro and small suppliers that stay unpaid for more than 45 days in a half-yearly MSME Form 1 return.
Suppliers with reported dues (5 of 57)
| Supplier | Amount due | Due since | Reported on |
|---|---|---|---|
| Nascent Maritime Private Limited | |||
| Delmar Offshore Services Private Limited | |||
| Gabhawalla & Co. | |||
| K. B. Shipping & Co. | |||
| Columbia Aurus Ship Management Private Limited |
To see the full MSME payment records of Underwater Services Company Limited, buy the company report.
Individuals and sole proprietors among the suppliers are not named.
GST
Underwater Services Company has 5 GST registrations: 5 active. The first 4 active GSTINs are listed below.
| GSTIN | State | Status | Registered on |
|---|---|---|---|
| 27AABCU0302K1ZN | Maharashtra | Active | 01 Jul 2017 |
| 21AABCU0302K1ZZ | Odisha | Active | 01 Jul 2017 |
| 24AABCU0302K1ZT | Gujarat | Active | 01 Jul 2017 |
| 32AABCU0302K1ZW | Kerala | Active | 12 Jul 2017 |
To see the full GST registrations and return filing status of Underwater Services Company Limited, buy the company report.
Recent activity
Underwater Services Company Limited has 12 board changes on record since 2008: 3 appointments and 9 cessations. The latest: Bharat Suresh Samant ceased to be Director on 08 Jan 2026.
41 earlier events are in the company report.
Frequently asked questions
Underwater Services Company is an active public limited company based in Mumbai, Maharashtra, India. The company works in port infrastructure and development, within the infrastructure and utilities industry. It was incorporated on 08 August 2008 (18+ years old) and is registered under CIN U45200MH2008PLC185622.
Underwater Services Company has 3 current directors:
- Dibyendu Bose - Director
- Ashwin Mohan Samant - Director
- Mohan Bhalchandra Samant - Director
The latest financial statements of Underwater Services Company on record with the MCA are for the year ended 31 March 2025. Its last annual general meeting was held on 31 October 2025. Year-wise statements from 2015 are in the company report.
The GSTIN of Underwater Services Company is 27AABCU0302K1ZN, registered in Maharashtra. The company has 5 GST registrations in all, of which 5 are active. Other active GSTINs include 21AABCU0302K1ZZ (Odisha), 24AABCU0302K1ZT (Gujarat), 32AABCU0302K1ZW (Kerala).
The CIN (Corporate Identification Number) of Underwater Services Company is U45200MH2008PLC185622. It is issued by the Ministry of Corporate Affairs under the Companies Act, 2013, and uniquely identifies the company in India.
Underwater Services Company has 36 court cases on record: 16 filed by the company and 20 filed against it. 4 are pending. Most are in the high courts.
Underwater Services Company was incorporated on 08 August 2008, making it 18+ years old. It is registered with the Registrar of Companies, Mumbai.
Underwater Services Company has 1 deal on record (1 secondary share transfer); the latest was in September 2014.
Bharat Suresh Samant ceased to be Director on 08 Jan 2026. Suresh Anant Samant ceased to be Director on 08 Jan 2026. Dibyendu Bose ceased to be Nominee Director on 30 Oct 2025. Underwater Services Company has 12 board changes on record in total.
Underwater Services Company has 14 MSME Form 1 returns on record between 2018 and 2023, listing 1,524 overdue payments to 57 micro and small suppliers. The latest return was filed on 23 Oct 2023.
Underwater Services Company can be reached through the website samsonmaritime.com. Its registered office is in Mumbai, Maharashtra, India.
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