ATO SOLUCAO AMBIENTAL LTDA: public contracts won without a rival in Brazil

Updated 17 October 2026 · 2024-03-26 to 2026-05-20 · all of Brazil · record in the register

ATO SOLUCAO AMBIENTAL LTDA: public contracts won without a rival in Brazil: 2 uncontested awards; 9% of its awards; 2 without a competition; 0 single bid.

Assay record ASY-BR-0YNJN1M1EN · Cite as: Assay Systems, “ATO SOLUCAO AMBIENTAL LTDA: public contracts won without a rival in Brazil”, https://assay-systems.com/register/br/uncontested/s/ato-solucao-ambiental-ltda/

1
2uncontested awards
9%of its awards
2without a competition
0single bid

ATO SOLUCAO AMBIENTAL LTDA won 2 of its 22 public contract awards in Brazil without a rival from 2024-03-26 to 2026-05-20: 2 without a competition and 0 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest SAO PAULO SECRETARIA DA ADMINISTRACAO PENITENCIARIA 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

SAO PAULO SECRETARIA DA ADMINISTRACAO PENITENCIARIA1uncontested17awards6%of these awards

SAO PAULO SECRETARIA DA ADMINISTRACAO PENITENCIARIA gave ATO SOLUCAO AMBIENTAL LTDA 17 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-06-14, latest 2026-04-15.

UNIVERSIDADE ESTADUAL PAULISTA JULIO DE MESQUITA FILHO1uncontested5awards20%of these awards

UNIVERSIDADE ESTADUAL PAULISTA JULIO DE MESQUITA FILHO gave ATO SOLUCAO AMBIENTAL LTDA 5 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-03-26, latest 2026-05-20.

Latest awards without a rival

DateBuyerHowStated reason
2025-08-11SAO PAULO SECRETARIA DA ADMINISTRACAO PENITENCIARIA
ocds-914jxj-38027406000062025
No competition
direct
tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false
2024-03-26UNIVERSIDADE ESTADUAL PAULISTA JULIO DE MESQUITA FILHO
ocds-914jxj-10232906000072024
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 · ATO SOLUCAO AMBIENTAL 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.