Government Technical Advisory Centre (GTAC)
National department / entity · 59 published awards, 2021Q2 to 2026Q2
Based on tenders published to the National Treasury eTenders portal. Municipalities and SOEs are not obliged to publish here: absence of data is not absence of procurement. Coverage for this buyer: 56% of its published awards carry a usable value; geography inferred from the name.
What it buys (4 categories)
Distinctive vs the national mix (RCA ≥ 1.5): Services: Professional.
Awards per quarter
Typical award value vs the national median
Bounded medians over awards with usable values only; small samples are excluded. A ratio above 1 means this buyer's typical award in the category is larger than the national typical award, which can reflect scope, project size or pricing.
| Category | This buyer | National | Ratio | n |
|---|---|---|---|---|
| Services: Professional | R998k | R9m | 0.1× | 31 |
Method mix
- Open tender: 32 (54%)
- RFQ: 19 (32%)
- RFP: 8 (14%)
Median advertised window: 21 days (national median 19).
Supplier concentration
57 distinct winning firms. The largest takes 3% of awards; concentration index (HHI) 0.02.
Largest winners by award count: J MAYNARD (SOUTH AFRICA) (2), CATHU CONSULTING (2), Diale Mogashoa Inc. (1).
Names restate the published award record; nothing analytic is attached to any name, and concentration is a market-structure observation, not an accusation: small buyers and specialist categories concentrate naturally. Right of reply →
Buyers with similar baskets
Nearest procurement mixes by revealed specialisation (cosine similarity), regardless of sphere or size. Descriptive, not a comparison of performance.