Macdonald Steel

What Macdonald Steel does

Macdonald Steel is a South African steel merchant and engineering company founded in 1970 and headquartered in Durban, KwaZulu-Natal. The company trades a comprehensive range of ferrous and non-ferrous metal products including plates, structural sections, tubing, sheets, mesh, roofing, reinforcing steel, and special steels (such as EN8 bright round bar, stainless steel, brass, copper, and phosphor bronze). It also operates secondary manufacturing divisions that add value through processing and fabrication, and owns the Wandile Steel subsidiary, which extends national reach and holds B-BBEE Level 1 certification.

The business serves engineering and industrial customers across multiple Southern African verticals, with construction and civil engineering as the primary segment, alongside automotive, agriculture, manufacturing, mining, and ports and harbours. Go-to-market is sales-led and relationship-driven, conducted through three physical branches in Durban, Pietermaritzburg, and Richards Bay, supplemented by the national Wandile Steel channel. Pricing is quote-based via direct enquiry (phone, email, website form) with no e-commerce or self-serve transaction capability. The company is privately held under a women-owned business structure, led by Managing Director Shaun Momberg, and holds ISO 9001:2015 SABS certification.

Revenue is generated through one-time steel and metal product sales on a unit/weight basis, with Wandile Steel supplementing through contract management, sourcing, and supplying services. The company does not disclose pricing publicly, has no digital marketing presence beyond a LinkedIn corporate page, and operates as a traditional physical-product distributor rather than a technology platform. There is no evidence of digital channels, software products, or AI/ML capability.

Name

Macdonald Steel

Legal name

Macdonald Steel SA Pty Ltd

Website

https://macdonaldholdings.com

Company type

Private

Founded year

1970

Operating status

Operating

Headcount range

101–250 employees

Short description

Macdonald Steel is a South African steel merchant and engineering company, founded in 1970 and headquartered in Durban, supplying ferrous and non-ferrous metal products plus secondary manufacturing services to construction, mining, manufacturing, automotive, agriculture, and ports sectors across KwaZulu-Natal and, via its Wandile Steel subsidiary, nationally.

Ownership category

akta.pro rank

Product category

Steel Merchant / Steel Products Distribution

NAICS

Steel Product Manufacturing from Purchased Steel (3312)

SIC

Sheet Metal Work (3444), Steel Pipe & Tubes (3317)

akta.pro primary industry

Steel Products Trading & Service Centers (Flat, Long, Pipe & Tube, Rebar) (IMAKAJAB)

akta.pro secondary industries

Structural Steel Fabrication (IMADACAA), Steel Plate, Sections & Welded Assemblies (IMADACAD)

Keywords

• Steel merchant
• Structural steel products
• Steel distribution
• Reinforcing steel supply
• Industrial steel fabrication

Headquarters

HQ city

Durban

HQ country

South Africa

HQ region

Africa

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Marketing or Sales

Revenue model

1. Steel and Metal Product Sales: Revenue is generated through the sale of steel and metal products across multiple categories (plates, sections, tubing, sheets, mesh, roofing, reinforcing steel, special steels, and non-ferrous metals). Products are sold as one-time transactions with pricing based on unit/weight. Wandile Steel, the subsidiary, supplements revenue through contract management, sourcing, and supplying services with national coverage across South Africa.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Macdonald Steel is a steel merchant and engineering company that supplies a comprehensive range of ferrous and non-ferrous steel products to engineering sectors in Southern Africa. Its offering includes structural steel sections, plates, sheets, tubing, mesh, roofing products, reinforcing steel, and special steels, supported by secondary manufacturing divisions for value-added processing. The company also operates Wandile Steel, a B-BBEE Level 1 subsidiary providing nationally distributed steel and aluminium extrusion solutions.

Product overview

Macdonald Steel is a steel and engineering company offering a comprehensive portfolio of steel products across Southern Africa. The product range includes: Steel Sections/Open Sections (Flat Bar, Channel Iron, Open Channel, Universal Beams); Roofing products (Chromadek IBR Sheet, Galvanised Corrugated Iron, Widespan Chromadek or Galvanised Sheet); Mesh products (Diamond Mesh, Econo Mesh); Plates (Checkered Plate, Mild Steel Plates); Round Bar/Square Bar/Reinforcing (Round Bar, EN8 Bright Round Bar, Reinforcing Steel); Tubing (Round Tubing, Rectangle Tubing); and Steel Sheets (Galvanized Sheet, Mild Steel Sheet). The company operates as a physical products supplier rather than a software platform, with all offerings being physical steel materials for construction, engineering, mining, automotive, and manufacturing applications. Macdonald Steel also includes Wandile Steel as a subsidiary offering ferrous and non-ferrous metals including aluminium extrusion solutions.

Differentiator

Problem solved

Functional benefit

Brands

• Wandile Steel: A supplier of high-quality steel and metal products offering a seamless supply chain model, BBEEE Level 1 Certified, with national footprint headquartered in Durban.

Products and services

• Flat Bar Steel flat bar used in industrial engineering, construction, and DIY projects, valued for its strength and malleability.
• Chromadek IBR Sheet Roofing sheet made from Chromadek material, available on request.
• Galvanised Corrugated Iron Corrugated galvanised steel roofing material.
• Widespan Chromadek or Galvanised Sheet Wide-span roofing sheets available in Chromadek or galvanised finish, suitable for various building applications.
• Diamond Mesh Diamond-patterned steel mesh available in various sizes.
• Econo Mesh Economical steel mesh product.
• Checkered Plate Structural quality steel plate with checkered pattern for general construction and industrial applications.
• Mild Steel Plates Structural quality steel plates used for general construction and industrial applications.
• Round Bar Mild solid steel bar ideal for all general fabrication, manufacturing and repairs, available in various sizes.
• EN8 Bright Round Bar Special steel bright round bar available in a wide variety of sizes.
• Reinforcing Steel Steel reinforcing bar used in concrete construction for buildings, pavement, roads, and bridges.
• Round Tubing Round steel tubing used in automotive, plumbing, conveyance, scaffolding, construction, marine, chemical, and manufacturing industries.
• Rectangle Tubing Rectangular steel tubing used in automotive, plumbing, conveyance, scaffolding, construction, marine, and manufacturing industries.
• Channel Iron Channel iron used primarily in building, construction and civil engineering, suitable for mounting to flat surfaces.
• Open Channel Open channel steel used as a structural component when erecting or constructing buildings and structures.
• Universal Beams Also known as I-beam or H-beam, used in construction and civil engineering for structural support.
• Galvanized Sheet Galvanised steel sheet used in automotive, carport, construction, fabrication, light steelwork, mining, and signboard applications.
• Mild Steel Sheet Low carbon steel sheet (approximately 0.05% to 0.25% carbon) used for general construction and industrial applications.
• Wandile Steel aluminium extrusion and national supply solutions Supplier of high-quality steel and metal products, aluminium extrusion solutions (alloys 6063, 6005, 6060) with architectural aluminium fixtures for modern commercial and residential buildings, and contract management/sourcing/supplying services with national coverage.

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• ArcelorMittal South Africa: Integrated steel producer and flat/long product manufacturer in South Africa. Not a direct merchant competitor, but a key upstream supplier and benchmark for steel pricing across Macdonald Steel's product categories.
• Columbus Stainless: South African stainless steel producer and a potential upstream supplier to Macdonald Steel's stainless product lines. Overlaps only on the specialty steel portion of Macdonald's product range.

Direct peers

• Trident Steel: South African steel service centre distributing flat and long products, tube, pipe, and structural sections to industrial and construction customers. Comparable in product mix, customer verticals, and value-added processing model.
• NJR Steel: National steel stockholding and processing group in Southern Africa offering structural, plate, sheet, tube, and reinforcing products with processing services. Overlaps with Macdonald Steel on product range, branch-based distribution, and engineering customer base.
• BSi Steel: National steel stockist and processor in South Africa supplying plate, sheet, coil, tube, pipe, and structural products with value-added processing. Direct competitor on both trading breadth and secondary manufacturing capability.
• Stewarts & Lloyds: Long-established South African steel merchant and pipe/tube specialist serving mining, construction, and industrial customers. Highly comparable customer mix (mining, agriculture, construction) and direct channel-based sales model.
• SA Metal Group: South Africa's largest metal recycler and trader, supplying ferrous and non-ferrous metals to industrial buyers. Comparable merchant model and broad metal product range, though anchored upstream in scrap collection.
• Macsteel Service Centres SA: South Africa's largest steel service centre and merchant, distributing a comparable range of carbon steel, stainless, aluminium, and special steel products through a national branch network. Closest comparable to Macdonald Steel in business model, product breadth, and target customer base, but at significantly greater scale.

Others

• Aveng Africa: South African infrastructure and engineering group active in steel-intensive construction. Comparable primarily as a buyer-side counterpart in construction and mining — relevant for understanding customer demand rather than direct product competition.

Regional players

• Cape Gate: Wire and wire-products manufacturer based in the Western Cape. Comparable as a downstream South African steel processor but serves different product categories and a different geography to Macdonald's KwaZulu-Natal base.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/macdonald-steel-sa
• Facebookfacebook.com/macdonaldsteelsa

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Macdonald Steel