Our Portfolio

A snapshot of the services and technical work we support across Swimming Pools, STP/WTP, RO Systems, Repairs, and Wastewater utilities.

Clients & Projects

A quick overview of the client companies and project categories we have worked with, along with our current ongoing service engagements.

Worked With (Past Clients / Projects)

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Current Projects / Client Companies

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Client Reviews

Feedback received from our service engagements based on response time, work quality, and system performance improvement.

HALDER TECHNICAL maintained our Swimming Pool and filtration systems with excellent service discipline. Water quality remained stable and operations were smooth.

Facility Manager
Residential Housing Project, Kolkata

Their STP operational support was process-driven. Breakdowns reduced after servicing, and the reporting structure was clear and professional.

Site Engineer
Commercial Facility, Newtown

Excellent servicing support for pumps and blower equipment. Troubleshooting was accurate and commissioning was completed with proper testing.

Maintenance Supervisor
Industrial Utility Support

Good WTP maintenance support and smooth coordination. Their team followed proper procedures and maintained consistent output quality.

Operations Team
Water Utility Management

Their RO maintenance support improved system performance. Filter guidance and preventive checks reduced recurring issues effectively.

Admin Coordinator
Residential RO Service Support

Dependable wastewater system support with timely follow-up. Their preventive maintenance planning improved plant stability significantly.

Project Coordinator
Wastewater Operations Support

Strong technical support and fast response during critical servicing requirements. The team ensured stable performance after work completion.

Facility Administrator
Mixed Utility Site Support

Professional service delivery with proper coordination and clear communication. Maintenance execution was clean, systematic, and reliable.

Site In-Charge
Commercial Project Support

HALDER TECHNICAL maintained our Swimming Pool and filtration systems with excellent service discipline. Water quality remained stable and operations were smooth.

Facility Manager
Residential Housing Project, Kolkata

Their STP operational support was process-driven. Breakdowns reduced after servicing, and the reporting structure was clear and professional.

Site Engineer
Commercial Facility, Newtown

Excellent servicing support for pumps and blower equipment. Troubleshooting was accurate and commissioning was completed with proper testing.

Maintenance Supervisor
Industrial Utility Support

Good WTP maintenance support and smooth coordination. Their team followed proper procedures and maintained consistent output quality.

Operations Team
Water Utility Management

Their RO maintenance support improved system performance. Filter guidance and preventive checks reduced recurring issues effectively.

Admin Coordinator
Residential RO Service Support

Dependable wastewater system support with timely follow-up. Their preventive maintenance planning improved plant stability significantly.

Project Coordinator
Wastewater Operations Support

Strong technical support and fast response during critical servicing requirements. The team ensured stable performance after work completion.

Facility Administrator
Mixed Utility Site Support

Professional service delivery with proper coordination and clear communication. Maintenance execution was clean, systematic, and reliable.

Site In-Charge
Commercial Project Support
Swimming Pool Maintenance

Routine cleaning, filtration monitoring, and water quality support for safe, hygienic pool operations.

STP Operation Support

Technical support for stable treatment performance, process monitoring, and routine plant maintenance.

RO System Maintenance

Maintenance checks, filter guidance, and troubleshooting support for consistent RO output quality.

Pump / Blower Servicing

Inspection, fault diagnosis, repair support, and commissioning assistance for utility equipment.

Wastewater Utility Support

Preventive checks and operational guidance to improve plant stability and reduce downtime.

WTP Maintenance Support

Regular maintenance assistance for water treatment systems to maintain consistent output quality.