Sector 7, Uttara, Dhaka
01711-391747 | dsoa1965@gmail.com
1st CLASS GOVT. ENLISTED CIVIL & ELECTRICAL CONTRACTOR

Engineering Power, Building Infrastructure, Connecting Continents.

M/S. MOHIUDDIN AHMED & CO. is a multi-disciplinary conglomerate providing turnkey Substation (Transformers & Switchgear) engineering, 1st Class Civil construction (Buildings & Roads), Solar PV clean energy, IATA Air Ticketing, and International Courier & Express Cargo (DHL & UPS) worldwide.

2M+
Transformers in National Grid
132/33 KV
Substation & Bay Breaker Expertise
Global
Africa Export & DHL/UPS Cargo
Explore Our Services Equipment Catalog

Credential: 1st CLASS CIVIL, ELECTRICAL, CARRYING, CONTRACTOR & IMPORTER, ORDER SUPPLIERS

Direct Service Portal

Select a business unit for quick assistance

Verified

Substation & Transformers

33/11KV, HT/LT Switchgear, PFI, VCB

Civil Work (Building & Roads)

1st Class Contractor, Turnkey Infrastructure

Solar PV Systems

On-grid Rooftop, Inverters, Net Metering

Air Ticketing & Travel

Domestic & International Airline Bookings

International Courier (DHL, UPS)

Fast Express Worldwide Parcel & Cargo
Direct Contact Hotline 01711-391747
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Trusted by Key Government Authorities & Major Conglomerates
DESCO
PGCB
BREB
BMDA
Grameen Telecom
BRAC
Beximco
Crown Cement
ACI Limited
BEPZA
Bashundhara
Interstoff
ABB
Schneider
Siemens
Hyundai
Transformer and Substation Engineering
Milestone Achievement

Successfully Handover 20/28 MVA Turnkey Substation under BREB & Africa Transformer Export

Government Enlistment
1st Class Contractor
About M/S. MOHIUDDIN AHMED & CO.

Decades of Technical Precision, Infrastructure Construction & Worldwide Commerce

Headquartered in Sector-7, Uttara, Dhaka, M/S. MOHIUDDIN AHMED & CO. is a nationally certified 1st Class Civil, Electrical, Carrying Contractor, Importer, and Order Supplier. With extensive technical manufacturing capabilities and field execution experience, we specialize in high-voltage electrical substation equipment, turnkey distribution networks, modern building and road construction, clean solar installations, and authorized global travel and courier services.

Our manufacturing and engineering wing maintains high-accuracy CRGO silicon steel core slitting lines, automated core annealing furnaces, and precision copper coil winding to deliver ultra-low loss, high-efficiency transformers that serve millions across the national grid.

1st Class Govt. Certified

Enlisted for major turnkey civil structures, high-voltage substations, and utility supplies.

Global Reach & Logistics

International Air Ticketing and authorized DHL & UPS Express Courier logistics.

Renewable Energy Pioneer

High-capacity on-grid & off-grid solar rooftop solutions for industries & institutions.

Institutional Order Suppliers

Comprehensive procurement, indenting, and heavy machinery transportation.

Contact Management
Office Location: Uttara Sector-7, Dhaka
Comprehensive Capabilities

Our Core Service Sectors

From heavy electrical engineering and turnkey civil infrastructure to clean solar power, airline ticketing, and worldwide express courier logistics.

Substation Transformer Engineering
Electrical Engineering

Substation & Transformers

Complete turnkey design, manufacturing, supply, and installation of 33/11KV and 11/0.415KV power & distribution transformers, HT/LT Switchgear panels, VCB, LBS, PFI plants, AVR, and comprehensive substation accessories.

  • Power & Distribution Transformers (Up to 28 MVA)
  • HT Switchgear (VCB/LBS) & LT Switchgear Panels
  • Auto/Manual PFI Plants & RTCC Panels
  • CRGO Core Slitting, Annealing & Copper Winding
  • CT, PT, Lightning Arresters, BBT, Cable Trays
View Equipment Catalog
Civil Construction Building and Road
1st Class Civil Work

Civil Work (Building, Road etc.)

Enlisted 1st Class Civil Contractor specializing in multistory residential and commercial buildings, industrial factory sheds, asphalt & RCC roads, highways, culverts, bridge approaches, and foundation engineering.

  • High-rise Commercial & Residential Buildings
  • Road Construction, Highway Paving & RCC Culverts
  • Industrial Structural Steel & Factory Sheds
  • Substation Control Buildings & Tower Foundations
  • Site Development, Piling, Drainage & Earthwork
Inquire for Civil Projects
Solar Panel Clean Energy
Renewable Energy

Solar Panel Systems

Green, high-efficiency solar photovoltaic (PV) power solutions tailored for industrial facilities, commercial rooftops, and remote installations. Tier-1 monocrystalline panels, smart inverters, and net-metering integration.

  • Industrial & Factory Rooftop Solar PV Plants
  • On-Grid, Off-Grid & Hybrid Inverter Systems
  • Net-Metering Compliance & Utility Interconnection
  • High-Durability Solar Mounting & Aluminum Structures
  • Solar Street Lighting & Agricultural Solar Pumping
Request Solar Feasibility
Commercial Aviation Air Ticket
Travel & Aviation

Air Ticket & Travel Booking

Comprehensive domestic and international flight ticketing services. Direct reservation across major global airlines, corporate business travel packages, group fares, instant e-ticket issuance, and visa assistance.

  • Domestic Flights (Cox's Bazar, Sylhet, Chattogram, etc.)
  • International Routes (Middle East, Europe, USA, Asia)
  • Corporate Travel Accounts & Flexible Itineraries
  • Hajj, Umrah & Labor Manpower Group Ticketing
  • 24/7 Booking Support & Re-issue Assistance
Call for Instant Flight Fares
International Express Courier DHL UPS
DHL Partner UPS Express

International Courier (DHL, UPS)

Swift and secure worldwide document and parcel delivery in partnership with global leaders DHL Express and UPS. Door-to-door express courier, export sample shipments, air freight, and customs documentation.

  • Official DHL & UPS Express Global Network
  • Garments & Commercial Export Sample Courier
  • Urgent Legal & Business Document Delivery
  • Doorstep Pickup in Uttara & Greater Dhaka
  • Real-time Online Tracking & Proof of Delivery
Book Courier Pickup
Carrying Logistics and Order Supply
Carrying & Supplies

Carrying, Importer & Order Suppliers

Specialized heavy haulage, transformer transportation, and project cargo carrying. International importing of high-grade raw materials (CRGO steel, copper, insulation) and institutional order supply for government and private utilities.

  • Heavy Equipment & Transformer Carrying Services
  • Import Indenting of Electrical & Mechanical Components
  • Order Supplier to BREB, PGCB, DESCO, BMDA
  • Industrial Raw Materials (Silicon Steel, Insulation Paper)
  • Turnkey Supply Chain Solutions
Supply Tender Inquiries
Technical Specification Showcase

Substation Equipments & Accessories Catalog

Detailed portfolio of heavy electrical infrastructure, engineered to IEC, VDE, BS and ANSI standards. Manufactured with globally certified materials (ABB, Siemens, Schneider Electric).

33/11KV Transformer Power Transformer

33/11 KV Power Transformer

Up to 28 MVA. ONAN/ONAF cooling, high-grade CRGO silicon steel, low losses, robust insulation.

BREB / PGCB standard
11/0.415KV Transformer Distribution

11/0.415 KV Distribution Transformer

Indoor & pole-mounted oil-immersed transformers for commercial buildings, factories, and rural grids.

50 KVA to 2500 KVA
HT Switchgear 11KV / 33KV

HT Switchgear (LBS & VCB)

Metal-clad, horizontally with-drawable, ceramic interrupter for vacuum circuit breaker panels.

IEC / VDE / IS Compliant
LT Switchgear Panel Distribution Panel

L.T Switchgear Panel

Equipped with Air Circuit Breaker (ACB up to 6300A), MCCB (10A-1600A), MCB (10A-63A), busbar system.

Custom Busbar System
PFI Plant Power Factor

Auto / Manual PFI Plant

Automatic microprocessor power factor controller with heavy-duty capacitor banks to eliminate utility penalties.

Cos φ 0.99 Target
Compact Substation Package Substation

Compact Package Substation

All-in-one weatherproof outdoor enclosure with HT switchgear, transformer, and LT panel integrated.

Space Saving
CT and PT Metering & Protection

11KV & 33KV CT & PT

Indoor and outdoor Current Transformers (CT) and Potential Transformers (PT) for tariff metering and relay protection.

Class 0.2 / 0.5 Accuracy
Substation Accessories Substation Hardware

Surge Arresters, BBT & Cable Trays

Lightning arresters, drop-out fuses, air break switches (ABS), pin & disc insulators, busbar trunking (BBT).

Complete Hardware Range

In-House Transformer Manufacturing Infrastructure

Our facilities utilize high-accuracy CRGO silicon steel Core Slitting lines (Austria & UK), Atlanta Grotones USA Core Cutting & Wrapping machines, automated Bell-type Annealing Furnaces, and electronic hydraulic core forming machines to guarantee low core loss and super quiet noise operation.

Request Technical Tender Specs
Proven Execution

Key Milestones & Project Track Record

Proven engineering reliability across Bangladesh national utility boards, power distribution companies, and international export contracts.

Turnkey Substation BREB Utility Substation
Bangladesh Rural Electrification Board

20/28 MVA Turnkey Substation (33/11 KV)

Successfully engineered, supplied, erected, tested, and handed over high-voltage 20/28 MVA power substation project under BREB with complete switchgear and metering systems.

Completed & Energized
PGCB Bay Breaker Extension Grid Transmission
Power Grid Company of Bangladesh (PGCB)

132/33 KV Bay Breaker Extension in Dohazari

Execution of high voltage bay breaker extension, including supply of up to 230 KV disconnector switches, current transformers (CT), and lightning arresters (LA).

Under PGCB Supervision
Africa Transformer Export Global Export
International Market Expansion

Delivered Transformers to Africa for the First Time

Achieved milestone international contract by manufacturing and exporting high-specification electrical distribution transformers into Africa with full international compliance.

International Export Milestone
Civil Construction Building and Roads Civil Infrastructure
Commercial & Govt. Works

Multistory Institutional Buildings & Access Roads

1st Class Civil execution of high-density educational & corporate facilities, durable RCC roadway corridors, stormwater drains, and structural foundations.

Turnkey Execution
Commercial Rooftop Solar Solar PV Project
Clean Energy Engineering

Industrial Rooftop Solar PV & Net Metering

High-efficiency solar array setup for textile and manufacturing plants, reducing grid electricity bills by up to 45% through net metering feed-in.

Grid Synchronized
Global Logistics Courier Aviation & Express Cargo
DHL & UPS Global Network

Express International Courier & Corporate Air Travel

Daily seamless processing of international trade samples, urgent corporate documents, and overseas flight ticketing for business executives and delegations.

Rapid 2-4 Day Delivery
Fast Inquiries & Quotation

Request a Tailored Proposal / RFQ

Select your required service category below and submit project details. Our technical team in Uttara will contact you promptly.

Confidential & direct routing to managing director.
Head Office & Operations

Get in Touch with Our Team

For tenders, engineering consultations, transformer pricing, civil contracts, flight reservations, or international express courier pickups.

Head Office Location

Roots Millennium School, DU, Lift - 4,
House no.- 20, Road - 13, Sector - 7,
Uttara, Dhaka - 1230, Bangladesh

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Direct Phone & Mobile Hotline

Available 24/7 for urgent technical inquiries & cargo

01711-391747 Call Direct

Official Email Address

Send official tender documents, drawings & RFQs

dsoa1965@gmail.com

Instant WhatsApp Messaging

Send photos, drawings, and instant booking questions

Chat on WhatsApp (+8801711-391747)
Headquarters Map & Navigation

Sector-7, Uttara, Dhaka

Lift - 4, House 20, Road 13
Visiting Hours: Saturday to Thursday, 9:00 AM – 7:00 PM
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Customer Guidance Note

For emergency substation breakdown support, transformer testing, or urgent international courier pickups in Uttara, please call our 24/7 hotline directly at 01711-391747.

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