SENIOR SISTEMAS S/A: public contracts won without a rival in Brazil: 28 uncontested awards; 90% of its awards; 28 without a competition; 0 single bid.
Assay record ASY-BR-1XWH54B13K · Cite as: Assay Systems, “SENIOR SISTEMAS S/A: public contracts won without a rival in Brazil”, https://assay-systems.com/register/br/uncontested/s/senior-sistemas-s-a/
SENIOR SISTEMAS S/A won 28 of its 31 public contract awards in Brazil without a rival from 2023-06-01 to 2026-08-31: 28 without a competition and 0 after a competition that drew a single bid. 16 buyers awarded it without a rival, the largest CONSELHO REGIONAL DOS CORRETORES DE IMOVEIS DE SC with 4.
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.
CONSELHO REGIONAL DOS CORRETORES DE IMOVEIS DE SC gave SENIOR SISTEMAS S/A 4 awards: 4 without a competition, 0 after a competition with a single bid. First 2024-07-09, latest 2025-09-01.
CONSELHO REGIONAL DE ENGENHARIA E AGRONOMIA DO RS gave SENIOR SISTEMAS S/A 3 awards: 3 without a competition, 0 after a competition with a single bid. First 2024-04-11, latest 2026-03-19.
CONSELHO FEDERAL DE ENFERMAGEM COFEN gave SENIOR SISTEMAS S/A 3 awards: 3 without a competition, 0 after a competition with a single bid. First 2024-06-24, latest 2025-09-30.
UNIVERSIDADE ESTADUAL DE CAMPINAS gave SENIOR SISTEMAS S/A 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2024-11-13, latest 2025-02-14.
CONSELHO REGIONAL DE ENGENHARIA E AGRONOMIA DO ESTADO DE SAO PAULO gave SENIOR SISTEMAS S/A 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2023-07-28, latest 2023-08-25.
TRIBUNAL SUPERIOR DO TRABALHO gave SENIOR SISTEMAS S/A 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2023-07-14, latest 2023-11-10.
CONSELHO REGIONAL DOS REPRESENTANTES COMERCIAIS NO ESTADO DO RIO GRANDE DO SUL gave SENIOR SISTEMAS S/A 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2025-06-12, latest 2025-09-10.
CONSELHO REGIONAL DE ENFERMAGEM DE MINAS GERAIS gave SENIOR SISTEMAS S/A 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2023-12-07, latest 2025-01-09.
CAMARA DOS DEPUTADOS gave SENIOR SISTEMAS S/A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-08-31, latest 2026-08-31.
ESTADO DE SANTA CATARINA gave SENIOR SISTEMAS S/A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-06-01, latest 2023-06-01.
CONSELHO REGIONAL DE ENGENHARIA E AGRONOMIA DE MATO GROSSO DO SUL gave SENIOR SISTEMAS S/A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-07-10, latest 2026-07-10.
MUNICIPIO DE UBERLANDIA gave SENIOR SISTEMAS S/A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-12-12, latest 2025-12-12.
CONSELHO REGIONAL DE FARMACIA DO ESTADO DE MINAS GERAIS gave SENIOR SISTEMAS S/A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-02-08, latest 2024-02-08.
CONSELHO REGIONAL DOS REPRESENTANTES COMERCIAIS NO ESTADO DE SANTA CATARINA gave SENIOR SISTEMAS S/A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-01-05, latest 2026-01-05.
UNIVERSIDADE DE SAO PAULO gave SENIOR SISTEMAS S/A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-05-19, latest 2026-05-19.
ESTADO DO RIO GRANDE DO SUL gave SENIOR SISTEMAS S/A 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-01-25, latest 2024-01-25.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-08-31 | CAMARA DOS DEPUTADOS ocds-914jxj-01000107001812026 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2026-07-10 | CONSELHO REGIONAL DE ENGENHARIA E AGRONOMIA DE MATO GROSSO DO SUL ocds-914jxj-38908607000332026 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2026-05-19 | UNIVERSIDADE DE SAO PAULO ocds-914jxj-10211707004932026 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2026-03-19 | CONSELHO REGIONAL DE ENGENHARIA E AGRONOMIA DO RS ocds-914jxj-38909207000102026 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2026-01-05 | CONSELHO REGIONAL DOS REPRESENTANTES COMERCIAIS NO ESTADO DE SANTA CATARINA ocds-914jxj-38906706000202025 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2025-12-12 | MUNICIPIO DE UBERLANDIA ocds-914jxj-92692207003842025 | 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
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.