DIOGO IANZER VIEDO & CIA LTDA: public contracts won without a rival in Brazil

Updated 17 October 2026 · 2023-05-23 to 2026-09-11 · all of Brazil · record in the register

DIOGO IANZER VIEDO & CIA LTDA: public contracts won without a rival in Brazil: 2 uncontested awards; 4% of its awards; 2 without a competition; 0 single bid.

Assay record ASY-BR-0WL2F7D095 · Cite as: Assay Systems, “DIOGO IANZER VIEDO & CIA LTDA: public contracts won without a rival in Brazil”, https://assay-systems.com/register/br/uncontested/s/diogo-ianzer-viedo-cia-ltda/

1
2uncontested awards
4%of its awards
2without a competition
0single bid

DIOGO IANZER VIEDO & CIA LTDA won 2 of its 47 public contract awards in Brazil without a rival from 2023-05-23 to 2026-09-11: 2 without a competition and 0 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest COMANDO DA MARINHA 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

COMANDO DA MARINHA1uncontested3awards33%of these awards

COMANDO DA MARINHA gave DIOGO IANZER VIEDO & CIA LTDA 3 awards: 1 without a competition, 0 after a competition with a single bid. First 2023-05-23, latest 2026-02-12.

COMANDO DO EXERCITO1uncontested12awards8%of these awards

COMANDO DO EXERCITO gave DIOGO IANZER VIEDO & CIA LTDA 12 awards: 1 without a competition, 0 after a competition with a single bid. First 2023-07-24, latest 2026-09-11.

Latest awards without a rival

DateBuyerHowStated reason
2023-07-24COMANDO DO EXERCITO
ocds-914jxj-16019206001402023
No competition
direct
tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false
2023-05-23COMANDO DA MARINHA
ocds-914jxj-78500006000762023
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 · DIOGO IANZER VIEDO & CIA LTDA 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.