LAZO MANTILLA MARITZA ROSARIO: public contracts won without a rival in Peru: 7 uncontested awards; 100% of its awards; 6 without a competition; 1 single bid.
Assay record ASY-PE-1LLNE0U08J · Cite as: Assay Systems, “LAZO MANTILLA MARITZA ROSARIO: public contracts won without a rival in Peru”, https://assay-systems.com/register/pe/uncontested/s/lazo-mantilla-maritza-rosario/
LAZO MANTILLA MARITZA ROSARIO won 7 of its 7 public contract awards in Peru without a rival from 2016-12-29 to 2022-05-27: 6 without a competition and 1 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest PROYECTO ESPECIAL PARA LA PREPARACION Y DESARROLLO DE LOS XVIII JUEGOS PANAMERICANOS DEL 2019 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.
PROYECTO ESPECIAL PARA LA PREPARACION Y DESARROLLO DE LOS XVIII JUEGOS PANAMERICANOS DEL 2019 gave LAZO MANTILLA MARITZA ROSARIO 6 awards: 6 without a competition, 0 after a competition with a single bid. First 2020-11-06, latest 2022-05-27.
MINISTERIO DE RELACIONES EXTERIORES gave LAZO MANTILLA MARITZA ROSARIO 1 award: 0 without a competition, 1 after a competition with a single bid. First 2016-12-29, latest 2016-12-29.
Every uncontested award in Peru · All countries
Source: contract awards published by the Specialised Agency for Efficient Public Procurement of Peru (OECE) 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.