Closed Professional, scientific and technical activities Tenders

The government is seeking expressions of interest for research services in the radio frequency development domain, in collaboration with the csir, for a period of three years. Interested parties should submit their expressions of interest by 16 april 2026. The services will be provided in the gauteng province.

The south african national government is seeking an accredited service provider to repair, maintain and overhaul aircraft auxiliary power units (apus) under a three-year contract. Respondents must demonstrate proven aviation mro capability and CIDB grading appropriate for complex aerospace work.

Five-year RFQ for preventative and corrective maintenance of the automated weather observation system (awos) at george airport. Suitable contractors must have aviation or meteorological systems experience and be registered on the western cape supplier database.

Csir requires auditing services to oversee and certify the SA tech challenge competition on an as-and-when basis for three years. Suitable firms must demonstrate relevant competition auditing experience and maintain independence.

ESKOM rotek industries requires multi-disciplinary professional services for various engineering tasks on an as-and-when basis for 24 months. Suitable contractors and suppliers should apply. The tender is open to all eligible bidders.

The bergrivier municipality requires the supply and delivery of a siemens ZR168-K4-200 gearbox or equivalent for the wwtw. Suppliers with relevant experience should apply. The tender closes on 2026/04/08.

The bergrivier municipality requires the supply and delivery of a 30 kw motorelli aerator motor for the wwtw or equivalent. Contractors and suppliers with relevant experience should apply. The tender closes on 2026/04/08.

Sabs seeks a gmp consultant for its pharmaceutical chemistry laboratory for a 3-month contract in gauteng.

Bergrivier municipality invites quotations from suitably qualified service providers to conduct a comprehensive cyber-security assessment.

ESKOM is seeking market information on automation solutions for transformer-oil testing at its rosherville laboratory; suppliers with proven laboratory automation and transformer-oil test equipment experience are invited to respond.

Develop a vocma catchment management strategy for the department of water & sanitation over 30 months. Suitable for environmental or water-resource consultancies with strategy-development experience.

Appointment of a professional engineer is required for the design of gravel roads and monitoring of multiphase projects in specified wards. The bid is open to all qualified professionals. Key conditions include the need to be registered with the engineering council of south africa (ecsa) and to have relevant experience in road design and project management.

Gauteng health facility requires local recertification of an absorbance test plate; suppliers must be able to perform on-site calibration/validation services.

The saps forensic science laboratory needs a service provider to maintain, repair and upgrade hamilton liquid-handling equipment at its biology units in pretoria and the western cape for two years.

Validation of a class ii biosafety cabinet is required in gauteng; suppliers must hold current sanas or equivalent accreditation for cabinet validation services.

The thwane municipality is inviting bids for the verification and valuation of municipal-owned biological assets (game species) at thwane game farm in van zylsrus for 36 months. Eligible bidders are expected to provide professional services in the verification and valuation of game species. The closing date for bids is 27 march 2026.

The ficksburg prison requires structural engineering services for the repair of a burnt kitchen. Contractors with relevant experience should apply. Briefing is compulsory.

The national cleaner production centre of south africa (ncpc-sa) csir is seeking a service provider to undertake an energy management system (enms) implementation project at an fmcg company in gauteng. Interested parties should have relevant expertise and experience in energy management systems. The project is a request for proposal (RFP) with a closing date of 2026/03/23.

This tender seeks a database of qualified registered built environment professionals to provide various services to the cbe for a period of three years. Only registered professionals with relevant expertise should apply. The bid must be submitted through an open tender process and will be valid for the entire 3‑year term.