RIVA E SOUZA MATERIAIS DE CONSTRUCAO LTDA: public contracts won without a rival in Brazil: 9 uncontested awards; 100% of its awards; 9 without a competition; 0 single bid.
Assay record ASY-BR-0QANAF4032 · Cite as: Assay Systems, “RIVA E SOUZA MATERIAIS DE CONSTRUCAO LTDA: public contracts won without a rival in Brazil”, https://assay-systems.com/register/br/uncontested/s/riva-e-souza-materiais-de-construcao-ltda/
RIVA E SOUZA MATERIAIS DE CONSTRUCAO LTDA won 9 of its 9 public contract awards in Brazil without a rival from 2022-11-18 to 2026-05-07: 9 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 6.
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.
COMANDO DA MARINHA gave RIVA E SOUZA MATERIAIS DE CONSTRUCAO LTDA 6 awards: 6 without a competition, 0 after a competition with a single bid. First 2022-11-18, latest 2026-05-07.
INSTITUTO FEDERAL DE EDUCACAO, CIENCIA E TECNOLOGIA DE PERNAMBUCO gave RIVA E SOUZA MATERIAIS DE CONSTRUCAO LTDA 3 awards: 3 without a competition, 0 after a competition with a single bid. First 2024-03-07, latest 2025-04-23.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-05-07 | COMANDO DA MARINHA ocds-914jxj-78370206000742026 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2025-04-23 | INSTITUTO FEDERAL DE EDUCACAO, CIENCIA E TECNOLOGIA DE PERNAMBUCO ocds-914jxj-15846406000302025 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2024-12-04 | INSTITUTO FEDERAL DE EDUCACAO, CIENCIA E TECNOLOGIA DE PERNAMBUCO ocds-914jxj-15846406000392024 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2024-03-07 | INSTITUTO FEDERAL DE EDUCACAO, CIENCIA E TECNOLOGIA DE PERNAMBUCO ocds-914jxj-15846406000032024 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2023-11-30 | COMANDO DA MARINHA ocds-914jxj-78370206900162023 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2023-11-29 | COMANDO DA MARINHA ocds-914jxj-78370206900152023 | 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 · RIVA E SOUZA MATERIAIS DE CONSTRUCAO 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.