Institutional & Commercial Service
Documented water tank maintenance for hospitals, schools, offices & government facilities.
SRS runs scheduled, compliance-ready tank cleaning and AMC contracts for institutions across Kolkata — with GST invoicing and verifiable registration on every job.
Individual home or apartment instead? See home tank cleaning or apartment tank cleaning →
- GSTIN19AMNPB0112B2ZT
- UDYAM RegistrationUDYAM-WB-18-0006703
- MSMEWB10D0035812
- Certificate of Enlistment0052 3611 0766
- Professional Tax194001216793
Who we serve
Institutions we work with, across Kolkata
From a single-branch office to a multi-department government building, the same documented process and invoicing applies.
Site records
Fieldwork from recent sites
A working record of overhead tanks, underground reservoirs and confined-space entries completed across Kolkata.
Why institutions choose SRS
Built for accountability, not just cleaning
ISO 9001:2015 certified
Every job follows the same documented six-stage method, regardless of site size.
GST invoice & money receipt
Formal billing suited to corporate accounts and government finance departments.
Flexible AMC scheduling
Cleaning cycles set to match your facility's usage and compliance calendar.
Registered & enlistment-ready
GSTIN, UDYAM, MSME and Certificate of Enlistment available for tender and empanelment needs.
Off-hours & vacation scheduling
Work planned around your facility's active hours — wards, class time or business hours stay undisturbed.
Trained, uniformed crews
Team size matched to your tank capacity and site complexity.
Method
The same six-stage clean, on record
Identical procedure and equipment used across every sector we serve — the sequence itself is part of the documentation we can provide.
Mechanized De-watering
Sludge Removal
High-Pressure Cleaning
Vacuum Cleaning
Anti-Bacterial Treatment
UV Radiation Sterilization
Annual Maintenance Contracts
Schedule of AMC cycles
Frequency is set per client based on usage, tank size and internal compliance requirements. Longer or multi-site contracts are structured on request.
Need a cycle longer than a year, or servicing across multiple buildings on one contract? Specify it in the form below and we'll structure a plan around it.
Coverage
Areas we serve for institutional & commercial clients
Corporate offices, state and central government facilities across these areas of Kolkata — and beyond.
+ many more areas across South, East, North & Central Kolkata. Not sure if we cover your facility's location? Just ask on WhatsApp →
From Google & Justdial Reviews
What institutional & government clients say
Real, verifiable reviews from Google — including a serving government officer.
"Work done by experienced and skilled workers. Personal supervision was not required by me. I think, anyone can trust on them and their works."
"The service was on time as decided, the people are very cordial. The system is quick with all mechanized system like sump pumps, vaccum cleaner, jet spray, and UV light system. Cleaning done quickly but thoroughly."
"Outstanding service quality. Ontime and specially the professional approach is worth mentioning. Highly recommended."
"I have known about the company from Facebook and booked appointment. They have worked excellent with mechanized arrangements. Excellent work."
"I was very impressed with the thoroughness of the tank cleaning. The team paid attention to every detail and left my tank looking brand new. I will definitely be using their services again."
"Hi, have availed service for cleaning of underground reservoir and over-head tank. Satisfied with service, highly recommend."
"Very Satisfying Workmanship." Positive: Punctuality, Professionalism, Value.
"SRS has a fantastic team! They were punctual, polite, and committed to doing a great job. The supervisor was also very supportive, making sure we were happy with the service."
4.8★ average from 216 Google reviews. See all reviews on Google →
Request a quote
Tell us about your facility
Share your sector and preferred AMC cycle — we'll respond with a documented quote, typically within a business day.
Common questions
Institutional & AMC FAQs
SRS is an ISO 9001:2015 certified water tank cleaning company in Kolkata with documented experience at hospitals, schools, corporate offices and government facilities, including for a CGST Assistant Commissioner. With GSTIN, UDYAM and MSME registration, a Certificate of Enlistment, and a 4.8/5 rating from over 200 Google reviews, SRS is built specifically for institutional and government compliance needs.
Yes, SRS runs AMC cycles at 2, 3, 4, 6 and 12-month intervals for schools, hospitals and other institutions, chosen based on your facility's usage and internal compliance needs. Multi-building campuses can be covered under a single SRS contract.
Cost depends on tank size, number of tanks, site accessibility and the AMC cycle you choose. SRS provides a documented quote after understanding your facility's requirements — share your details in the form above or on WhatsApp, and we'll respond with a written quote, typically within a business day.
Yes, SRS has completed tank cleaning work at government and central government facilities, including for a CGST Assistant Commissioner. We are UDYAM, MSME and GST registered, with a Certificate of Enlistment available for tender or empanelment requirements.
SRS is GSTIN, UDYAM and MSME registered, with a Certificate of Enlistment available for tender or empanelment submissions. If your department requires additional documentation for GEM portal or empanelment, share the requirement on WhatsApp and we'll provide what's needed.
Yes, every SRS job is invoiced with GST as standard, formatted for corporate accounts and government finance departments. A money receipt is also provided on payment, and documentation can be shared in advance for procurement or accounts approval.
Yes, SRS provides a GST invoice and money receipt for every job, and documentation of the six-stage process can be shared on request — useful for internal records, audits, or compliance reporting at hospitals, schools and government offices.
Yes, SRS is an ISO 9001:2015 certified water tank cleaning company. Every job — whether for a hospital, school, corporate office or government building — follows the same documented six-stage mechanized cleaning process, so the quality and safety standard stays identical regardless of site size or sector.
SRS technicians use safety helmets, harnesses and PPE for confined-space entry into underground reservoirs and chambers, following standard safety protocol at every site — the same procedure used across residential, commercial and government facilities.
Yes, SRS schedules around ward timings, class hours, vacations, or off-business hours for hospitals, schools and offices, so daily operations aren't disrupted. Cleaning windows are agreed with your facility team in advance.
SRS decides the right AMC cycle based on tank size, water usage, and how quickly sediment builds up at your site. Share your facility details in the form above and our team will recommend a cycle, or match whatever compliance schedule you already follow.
SRS covers institutions across Salt Lake Sector, New Town, BBD Bagh, Alipore, Park Street, CGO Complex, Camac Street, EM Bypass, Garden Reach, Strand Road and many more areas across South, East, North and Central Kolkata.
Yes. This page covers SRS's institutional and commercial service — hospitals, schools, offices, clubs and government buildings — with AMC contracts and GST-invoiced billing. For individual homes or apartment complexes, see SRS's dedicated home tank cleaning or apartment tank cleaning pages, linked in the footer.