Pienaar & Erwee

The firm PIENAAR & ERWEE was established on 1 April 1981 by Johann Erwee and Charl Pienaar in Sunnyside Pretoria.

Since 1981 the firm has completed many successful projects ranging from major educational and training facilities, shopping centres, office blocks, housing developments, bulk supply and infrastructure projects. These projects addressed the needs of all levels of the community in the supply of electrical engineering services.

The head office is situated in Pretoria with branch offices in Polokwane (Pietersburg) and Nelspruit.


Our Story

Providing Electrical Services Since 1981

In November 2018, Pienaar & Erwee Trust NPC was created with 51% shares in Pienaar & Erwee Engineers (Pty) Ltd. The beneficiaries of Pienaar & Erwee Trust NPC are Ladies of Hope NPO, a level 1 Broad Based BEEE Company. Pienaar & Erwee Engineers (Pty) Ltd now has a Broad Based BEEE Status level of 3.

Our Vision

To be the consultant of choice, recognised for the quality of our service, our people and our exceptional engineering solutions and professional customer service

Our Mission

Creating satisfied clients through professional excellence, giving commercial success and employee fulfilment.

Company Environmental, Health, Safety & Quality Policy

Pienaar & Erwee Engineers (Pty) Ltd is committed to a clean, safe and healthy workplace and environment and to delivering only professional quality work and service in a totally ethical and responsible way. All aspects of our business are managed in a safe and environmentally responsible manner in accordance with the principles set forth in this policy. We believe these actions benefit our customers, shareholders, employees and the public, both now and for the future, while improving the quality of the environment. This policy reaffirms our commitment to environmental stewardship and protecting the well being of our customers, employees, our clients and the public.

quality policy

We are commited to

Meet and surpass the needs and requirements of our Customers

Comply to the ISO 9001 : 2015 standards

Comply with applicable statutory laws and regulations

Implement alternative sources of energy where possible to save on electricity consumption

Provide and maintain a service of the highest quality

Follow a concept of continuous improvement and make best use of its management resources in all Quality matters

Work closely with our customers and suppliers to establish the highest Quality standards at the most cost effective price

Train our staff in the needs and responsibilities of Quality Management

Implement the newly developed Health & Safety system

Full Service, Quality
Electrical Services


  • Electrical Infrastructure
  • Master Planning of HV, MV & LV
  • Infrastructure Implementation of Municipal Networks
  • Energy Management & Implementation
  • Upgrading of Existing and Design of New HV Substations
  • 11/22 kV Cable Reticulation
  • Residential Development
  • Industrial Development
  • 11kV to 132kV Overhead Lines
  • Project Management

    • Electrical Installations
    • Lifts & Escalator Installations
    • Emergency Generators
    • Uninterrupted Power Supplies
    • Fire Alarm Installations
    • Communal TV Antennas
    • Distribution Installations
    • Nurse Call Installations
    • Private Automatic Telephone
    • Exchanges

    • Redevelopment of Energy Savings and Renewable Energy Proposals
    • Shopping Centres
    • Load Profile Investigations
    • Compilation of an Energy Plan to comply with SANS 204.

    Contact Details




    PTA: +27 (0)12 998 5219
    NSP: +27 (0)13 753 3747/8
    PKW: +27 (0)15 296 3092