Sizakele Design Engineering Transit
Sizakele steelwork and mechanical installation inside an industrial plant
SECTION_00 // DESIGN · ENGINEERING · TRANSITSIZAKELE / SOUTH AFRICA
EST. 2018

ENGINEERING EXCELLENCE ACROSS AFRICA

PRECISION.
PURPOSE.
POSSIBILITY.

Integrated engineering, manufacturing and construction.
From the first concept to the final installation.

CAPABILITYMULTI-DISCIPLINARY
OWNERSHIP100% AFRICAN FEMALE
STATUSLEVEL 1 B-BBEE
SCROLL TO EXPLORE ↓
◆ LEVEL 1 B-BBEE◆ 100% AFRICAN FEMALE-OWNED◆ DESIGN TO DELIVERY◆ PROUDLY SOUTH AFRICAN
100%African female-owned
Level 1B-BBEE contributor
Since 2018Engineering with purpose
End to endFrom design to delivery

SECTION_01 // CORPORATE PROFILE

BUILT ON EXPERTISE.
DRIVEN BY PURPOSE.

We turn complex challenges into practical, precision-engineered solutions.

Founded in 2018, Sizakele Design Engineering and Transit (SDET) is a proudly South African, 100% African female-owned business. We bring design, manufacturing, construction and industrial support together to take projects from concept to execution.

Led by Mangwedi Mahlanza and Koketso Mahlanza, our team combines hands-on technical knowledge with a commitment to advancing Africa’s infrastructure and empowering women and young people in industry.

PrecisionIntegrityInnovation

SECTION_02 // OUR CAPABILITIES

INTEGRATED
DISCIPLINES.

From the first drawing to the final installation, we bring the right skills to every stage of your project.

Mechanical engineering drawings and modelCAPABILITY_01 // DESIGN

SIZAKELE / DESIGN

Design &
engineering

Mechanical and electrical design solutions that turn ideas into clear, buildable plans.

  • 3D CAD modelling and 2D drawings
  • Fabrication data packs and prototypes
  • Electrical reticulation and house plans
Discuss your requirements ↗

SUPPORTING THE SECTORS THAT BUILD AFRICA

Mining & heavy industryAutomotiveEnergyPublic & private sector

SECTION_03 // PROJECT PORTFOLIO

PRECISION
IN PRACTICE.

A selection of engineering, fabrication and construction projects from our company portfolio.

Fabricated steel platform and stairway at an industrial plant

MAPEI SOUTH AFRICA 2026

Liquid mixer plant & steel structures

Removal of an old mixer tank and erection of a new liquid mixer plant, including platforms, staircases and a safety gate.

Engineering model and technical drawings from the SDET profile

DALZIM INVESTMENT 2026

Mining machinery design

3D modelling and engineering design of mining machinery, translating technical requirements into detailed designs.

Renovated washroom facilities shown in the company profile

MAPEI SOUTH AFRICA 2025

Facility renovations

Change room renovations covering general building, tiling, plumbing, painting and electrical installation.

OUR PORTFOLIO ALSO INCLUDESSIKADCD Protected MobilityMBCCSAActebis
Sizakele team in protective equipment at an industrial project

ENGINEERED FOR A GREATER PURPOSE

Building industry.
Empowering people.

Our ambition reaches beyond the workshop. Through mentorship, school support and community partnerships, we invest in the next generation of industry leaders.

2025 RECOGNITION

SheAwards Africa
Manufacturing Founder of the Year

Leadership grounded in technical excellence, client focus, integrity, innovation and sustainability.

SECTION_04 // PROJECT ENQUIRIES

Your next challenge.
Our next solution.

Tell us what you need to design, manufacture, build or maintain. Let’s discuss how SDET can support your project.

Email your project brief ↗
GET IN TOUCH010 443 7696082 084 9305
BOKSBURG

Meerzicht Business Park, Unit 7
33 Kelly Road, Jet Park
Boksburg, 1459

Under Road To Victory Laser Cutting and Engineering
JOHANNESBURG

Unit 13, 256 Main Reef Road
Johannesburg, 2094

Under Isometric Engineering and Mining Projects