CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA: public contracts won without a rival in Brazil: 23 uncontested awards; 74% of its awards; 23 without a competition; 0 single bid.
Assay record ASY-BR-0PYR9N9183 · Cite as: Assay Systems, “CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA: public contracts won without a rival in Brazil”, https://assay-systems.com/register/br/uncontested/s/clean-environment-brasil-engenharia-e-comercio-ltda/
CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA won 23 of its 31 public contract awards in Brazil without a rival from 2023-10-19 to 2026-09-10: 23 without a competition and 0 after a competition that drew a single bid. 11 buyers awarded it without a rival, the largest (UO) ESP-CETESB-CIA AMBIENTAL DO EST.DE SP with 11.
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.
(UO) ESP-CETESB-CIA AMBIENTAL DO EST.DE SP gave CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA 11 awards: 11 without a competition, 0 after a competition with a single bid. First 2025-07-27, latest 2026-07-02.
UNIVERSIDADE ESTADUAL PAULISTA JULIO DE MESQUITA FILHO gave CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2024-07-29, latest 2024-07-29.
COMPANHIA DE PESQUISA DE RECURSOS MINERAIS gave CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA 3 awards: 2 without a competition, 0 after a competition with a single bid. First 2024-12-05, latest 2026-09-10.
ESTADO DE RONDONIA gave CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-02-12, latest 2025-02-12.
UNIVERSIDADE DE SAO PAULO gave CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-04-13, latest 2026-04-13.
PROCURADORIA GERAL DE JUSTICA DO ESTADO DE MATO GROSSO gave CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-10-30, latest 2023-10-30.
UNIVERSIDADE FEDERAL DO PARA gave CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-10-19, latest 2023-10-19.
UNIVERSIDADE FEDERAL DE SANTA MARIA gave CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-11-03, latest 2025-11-03.
COMISSAO NACIONAL DE ENERGIA NUCLEAR gave CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-12-30, latest 2024-12-30.
UNIVERSIDADE FEDERAL DE JUIZ DE FORA UFJF gave CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-11-17, latest 2023-11-17.
FUNDACAO DE APOIO UNIVERSITARIO gave CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO LTDA 1 award: 1 without a competition, 0 after a competition with a single bid. First 2024-11-01, latest 2024-11-01.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-09-10 | COMPANHIA DE PESQUISA DE RECURSOS MINERAIS ocds-914jxj-49555007000342026 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2026-07-02 | (UO) ESP-CETESB-CIA AMBIENTAL DO EST.DE SP ocds-914jxj-26310106001972026 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2026-05-12 | (UO) ESP-CETESB-CIA AMBIENTAL DO EST.DE SP ocds-914jxj-26310107005002025 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2026-05-05 | (UO) ESP-CETESB-CIA AMBIENTAL DO EST.DE SP ocds-914jxj-26310107001152026 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2026-04-13 | UNIVERSIDADE DE SAO PAULO ocds-914jxj-10216807000942026 | No competition direct | tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false |
| 2026-02-26 | (UO) ESP-CETESB-CIA AMBIENTAL DO EST.DE SP ocds-914jxj-26310106000402026 | 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 · CLEAN ENVIRONMENT BRASIL ENGENHARIA E COMERCIO 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.