• We offer our clients complete professional services that include planning, design, bid support & advice and construction monitoring.
  • Residential and highway roads design
  • Transportation planning and design
  • Pavement design (Gravel Roads, Paved Roads)
  • Traffic studies
  • Intersection design
  • Master planning


  • We offer our clients complete professional services that include planning, design, bid support & advice and construction monitoring.
  • Storm water management
  • Reticulation Networks
  • Bulk Pipelines
  • Small dams
  • Water Treatment Technology
  • Waste Water Treatment Technology
  • Local &Regional Master Planning for Water, Sewer, Roads and Storm water services
  • Reservoirs & Pump Station


Thewo Building Services is responsible for the design, installation, operation and monitoring of the mechanical, electrical and public health systems required for the safe, comfortable and environmentally friendly operation of modern buildings.

Thewo works closely with other construction professionals such as architects, structural engineers and quantity surveyors. Thewo Building Services provides a wide range of services:

Design: designing layouts and requirements for building services for residential or commercial developments.

Construction: supervising the construction of the building services, commissioning systems and on-going maintenance and operation of services.

Environmental: developing new energy saving methods for construction, designing new and improved energy conservation systems for buildings.

Heating, ventilation and air conditioning (HVAC): specialising in the design, development, construction and operation of HVAC systems.

Electrical technology: specialising in the design and development of electrical systems required for safe and energy sustaining operation of buildings.


At Thewo Energy Engineering we find the most efficient and sustainable ways to operate buildings, public lighting and manufacturing processes. We audit the use of energy in those processes and suggest ways to improve the systems.

This means proposing advanced lighting, better insulation, more efficient heating and cooling properties of public & private buildings. Our Energy engineering services include but not limited to:

  • Intake Substation
  • Distribution, Reticulation lines and Underground Cable networks
  • Electrification and Audits
  • Network analysis and planning (fault level calculation and load flow studies, voltage regulation, technical and feasibility studies)
  • Quality of supply investigations
  • Public Liability Claims Investigations (incl. households appliances damages)
  • Revenue Protection Management and Meter Audits
  • Power Systems Protection, Metering and DC
  • Telemetry, control and SCADA systems
  • Building electrical installations
  • Public Lighting Systems (Streetlights & High Masts)
  • Emergency Supplies and Uninterrupted Power Supplies (UPS)
  • Renewable energy generation systems such as Biofuel, Hydro power, Solar and Wind power