MARSTON BOOK SERVICES LTD: public contracts won without a rival in Peru: 21 uncontested awards; 100% of its awards; 0 without a competition; 21 single bid.
Assay record ASY-PE-1H2TJWI0UX · Cite as: Assay Systems, “MARSTON BOOK SERVICES LTD: public contracts won without a rival in Peru”, https://assay-systems.com/register/pe/uncontested/s/marston-book-services-ltd/
MARSTON BOOK SERVICES LTD won 21 of its 21 public contract awards in Peru without a rival from 2016-06-23 to 2023-08-09: 0 without a competition and 21 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest SERVICIO NACIONAL DE SANIDAD AGRARIA with 19.
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.
SERVICIO NACIONAL DE SANIDAD AGRARIA gave MARSTON BOOK SERVICES LTD 19 awards: 0 without a competition, 19 after a competition with a single bid. First 2016-06-23, latest 2023-08-09.
UNIVERSIDAD NACIONAL MAYOR DE SAN MARCOS gave MARSTON BOOK SERVICES LTD 2 awards: 0 without a competition, 2 after a competition with a single bid. First 2016-12-07, latest 2019-07-01.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2023-08-09 | SERVICIO NACIONAL DE SANIDAD AGRARIA ocds-dgv273-seacev3-2023-1995-56 | Single bid open | Contratación Internacional |
| 2022-08-01 | SERVICIO NACIONAL DE SANIDAD AGRARIA ocds-dgv273-seacev3-2022-1995-6 | Single bid open | Contratación Internacional |
| 2021-03-16 | SERVICIO NACIONAL DE SANIDAD AGRARIA ocds-dgv273-seacev3-2021-1995-54 | Single bid open | Contratación Internacional |
| 2021-03-15 | SERVICIO NACIONAL DE SANIDAD AGRARIA ocds-dgv273-seacev3-2021-1995-53 | Single bid open | Contratación Internacional |
| 2021-03-15 | SERVICIO NACIONAL DE SANIDAD AGRARIA ocds-dgv273-seacev3-2021-1995-52 | Single bid open | Contratación Internacional |
| 2020-11-25 | SERVICIO NACIONAL DE SANIDAD AGRARIA ocds-dgv273-seacev3-2020-1995-146 | Single bid open | Contratación Internacional |
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.