GIBB, a top South African engineering consulting firm, provides their clients with planning; design and management services throughout the engineering consultancy spectrum. The South African employee-owned entity has been in operation since 1956 and is 67% black owned. Its subsidiaries include: GIBB (Pty) Ltd, ACE GIBB, GIH Limited, Arcus GIBB Nigeria and SVA International (Pty) Ltd.

With branches not only in South Africa, (including in Cape Town, Johannesburg, Durban, Port Elizabeth, Bloemfontein, Pretoria, East London, Queenstown, Newcastle and Mthatha), the company also operates in other African countries, such as Botswana; Zambia; Nigeria; Lesotho; Tanzania; Seychelles; Ghana and Swaziland, and currently employs around 800 staff members. 

The companies market sectors include: Power and Energy Services; Environmental Services; Dams, Hydropower and Underground Works; Integrated Infrastructure (which incorporates Water and Sanitation Services; Integrated Infrastructure Services; Housing and Community Infrastructure; Urban and Rural Planning) and Transportation Services (which incorporates Traffic and Transportation Services; Railway Engineering Services; Airports and Aviation; Roads and Highway Services).