Diatome Ltd: public contracts won without a rival in Brazil

Updated 17 October 2026 · 2023-10-31 to 2026-09-04 · all of Brazil · record in the register

Diatome Ltd: public contracts won without a rival in Brazil: 3 uncontested awards; 100% of its awards; 3 without a competition; 0 single bid.

Assay record ASY-BR-0GHJJ430G0 · Cite as: Assay Systems, “Diatome Ltd: public contracts won without a rival in Brazil”, https://assay-systems.com/register/br/uncontested/s/diatome-ltd/

1
3uncontested awards
100%of its awards
3without a competition
0single bid

Diatome Ltd won 3 of its 3 public contract awards in Brazil without a rival from 2023-10-31 to 2026-09-04: 3 without a competition and 0 after a competition that drew a single bid. 3 buyers awarded it without a rival, the largest UNIVERSIDADE DE SAO PAULO with 1.

An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.

Buyers that awarded it without a rival

UNIVERSIDADE DE SAO PAULO1uncontested1awards100%of these awards

UNIVERSIDADE DE SAO PAULO gave Diatome Ltd 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-09-04, latest 2026-09-04.

FUNDACAO DE AMPARO A PESQUISA DO ESTADO DE SAO PAULO1uncontested1awards100%of these awards

FUNDACAO DE AMPARO A PESQUISA DO ESTADO DE SAO PAULO gave Diatome Ltd 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-05-27, latest 2024-05-27.

FUNDACAO OSWALDO CRUZ1uncontested1awards100%of these awards

FUNDACAO OSWALDO CRUZ gave Diatome Ltd 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-10-31, latest 2023-10-31.

Latest awards without a rival

DateBuyerHowStated reason
2026-09-04UNIVERSIDADE DE SAO PAULO
ocds-914jxj-10210106000962026
No competition
direct
tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false
2024-05-27FUNDACAO DE AMPARO A PESQUISA DO ESTADO DE SAO PAULO
ocds-914jxj-48110106000172024
No competition
direct
tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false
2023-10-31FUNDACAO OSWALDO CRUZ
ocds-914jxj-25442007000702023
No competition
direct
tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false

Every uncontested award in Brazil · All countries · Diatome Ltd in the register

Source: contract awards published by the Ministry of Management and Innovation in Public Services of Brazil (Compras.gov.br, federal government) in the Open Contracting Data Standard (data.open-contracting.org), licensed under CC BY 4.0; awards from January 2016 to 30 September 2026, accessed 15 October 2026. Awards are matched to their buyer and supplier as published. Values in these notices often state a framework ceiling rather than a contract amount, so awards are counted, not summed. Updated 17 October 2026.