COMPANY · NIPC 500142467

ISIDORO DUARTE S.A.

This page shows the public contracts the company has signed, which bodies gave them, and who it competed against.

Portal BASE records €2,075,845.01 across 60 contracts.

Identification

Company name	ISIDORO DUARTE S.A.
NIPC	500142467
Registered office	AVENIDA DE PORTUGAL, Nº 17 - PÓVOA DA GALEGA, MILHARADO, 2665-357 MAFRA
Source	GLEIF (LEI), registo 549300RIQHFGQX8BYB21
Record date	25 October 2026

Contracted money

Sums of the contract prices on Portal BASE. A contract with several buyers or municipalities counts once in each row, so rows do not add up to the total.

Contracted value by year
Year	Contracts	Contract value
2012	2	€173,084.06
2013	1	€6,886.79
2014	2	€19,454.72
2015	7	€283,614.97
2016	11	€57,461.26
2017	4	€39,101.96
2018	4	€249,349.40
2019	4	€123,257.20
2020	3	€98,526.44
2021	4	€289,366.22
2022	5	€366,408.61
2023	5	€33,514.16
2024	3	€254,273.09
2025	3	€65,395.26
2026	2	€16,150.87

Contracted value by buyer
Name	Contracts	Contract value
Município de Mafra	12	€1,406,248.89
Município de Loures	8	€136,630.49
Freguesia de Santa Maria Maior	3	€85,207.07
Serviços de Estrangeiros e Fronteiras (SEF)	1	€74,910
Câmara Municipal de Mafra	4	€70,429.35
Área Metropolitana de Lisboa	1	€52,700
União das Freguesias de Santo António dos Cavaleiros e Frielas	3	€35,443.39
Freguesia de São Domingos de Benfica	2	€33,696.64
Fundação INATEL	2	€20,141.51
União das Freguesias de Almargem do Bispo, Pêro Pinheiro e Montelavar	1	€19,999

Contracted value by place of performance
Name	Contracts	Contract value
Mafra	17	€1,243,239.42
Lisboa	17	€510,549.70
Loures	11	€143,393.88
Amadora	2	€61,756.58
Sintra	3	€38,902
Oeiras	3	€19,013
Évora	2	€18,903
Leiria	1	€13,254.72
Almada	1	€10,129
Cascais	1	€10,129

Largest contracts
Subject	Year	Contract value
Prestação de serviços no âmbito dos Transportes Escolares dos alunos que frequentam os estabelecimentos de ensino dos Agrupamentos de Escolas de Ericeira, Mafra, Malveira e Venda do Pinheiro (Lotes 3, 4, 5, 9, 10, 11, 12, 13, 14, 15, 18, 19	2022	€311,127.06
Prestação de serviços no âmbito dos Transportes Escolares dos alunos que frequentam os estabelecimentos de ensino dos Agrupamentos de Escolas de Ericeira, Mafra, Malveira e Venda do Pinheiro" para o ano letivo 2021/2022, com possibilidade d	2021	€252,341.82
Transportes Escolares dos alunos que frequentam estabelecimentos de ensino dos AE de Ericeira, Mafra, Malveira e Venda do Pinheiro	2024	€229,914.12
Prestação de serviços no âmbito dos Transportes Escolares dos alunos que frequentam os estabelecimentos de ensino dos Agrupamentos de Escolas de Ericeira, Mafra, Malveira e Venda do Pinheiro	2018	€214,654.59
“Prestação de serviços no âmbito dos Transportes Escolares dos alunos que frequentam os estabelecimentos de ensino dos Agrupamentos de Escolas de Ericeira, Mafra, Malveira e Venda do Pinheiro”	2015	€172,619.58

Who they competed with

In 50 contracts with a list of competitors, the company took part and was awarded 18 (36%).

Companies with the most procedures in common
Company	Procedures in common
MAFRENSE	13
Ovnitur- Viagens e Turismo	6
concorrente UTS – VIAGENS E SERVIÇOS, S.A.	4
Ribatejana Verde, Lda	4
Safebus – Transportes Personalizados, Lda.	3
Luminosatour - Aluguer de Autocarros, Lda.	3
Transcolvia - Transportes Coletivos de Viana do Castelo, S.A.	2
Turispraia Empresa de Transportes, Lda	2
TURISTEJO, AGÊNCIA DE VIAGENS E TURISMO, LDA	2
Auto Transportes Santo Estêvão , Lda	2
Rodoviária do Tejo, S.A.	2
Sabugotur-Sociedade de Táxis,Turísmo Unipessoal, Lda	2
C.J.F. Lopes Unipessoal, Lda.	2
A Ribatejana, Lda	1
AUTO VIAÇÃO AVEIRENSE, S.A.	1
Agência de Viagens Sandinense, Lda.	1
Resende-Actividades Turísticas, S.A.	1
AEROCOOPE cRL	1
Carristur Inovação em Transportes Urbanos e Regionais, Sociedade Unipessoal, L.da	1
Vale do Ave - Transportes, Lda.	1
TST- TRANSPORTES SUL DO TEJO, SA	1
Viagens e Turismo Planeta Tours Transportadora Rodoviária Interna e Internacional de Passageiros Lda.	1
Dianatours – Viagens e Serviços, Lda.	1
RODOVIÁRIA DE LISBOA S.A.	1
A Girómundo - Viagens e Turismo, Lda.	1
SSMB	1
Transdev Mobilidade, S.A.	1
Traviama – Transportes Terrestres de Passageiros, Lda	1
Mr. Bus, Lda	1
DELTABUS, Lda	1

The annual IMPIC file lists competitors for about 42% of contracts. Only these enter the counts, and the award share is measured on them.

Links read in contract documents

Contract documents give addresses and the names of representatives and partners, and Portal BASE and GLEIF give competitors and groups. This is what the records show; the same address or name can have simple explanations.

+21 in the list below

Dotted: competed in the same procedure. Dotted: same procedure.

ISIDORO DUARTE S.A. · MAFRENSE (same procedure). They were awarded in the same procedure. Source: Portal BASE, contrato 4780053; Portal BASE, contrato 4780123.
ISIDORO DUARTE S.A. · Auto Transportes Santo Es… (same procedure). They were awarded in the same procedure. Source: Portal BASE, contrato 4780053; Portal BASE, contrato 4780104.
ISIDORO DUARTE S.A. · concorrente UTS – VIAGENS… (same procedure). They were awarded in the same procedure. Source: Portal BASE, contrato 3036722; Portal BASE, contrato 3036878.
ISIDORO DUARTE S.A. · Turispraia Empresa de Tra… (same procedure). They were awarded in the same procedure. Source: Portal BASE, contrato 728553; Portal BASE, contrato 728554.
ISIDORO DUARTE S.A. · Ovnitur- Viagens e Turismo (same procedure). They were awarded in the same procedure. Source: Portal BASE, contrato 728553; Portal BASE, contrato 728556.
ISIDORO DUARTE S.A. · Vale do Ave - Transportes… (same procedure). They were awarded in the same procedure. Source: Portal BASE, contrato 728553; Portal BASE, contrato 728552.
ISIDORO DUARTE S.A. · Sabugotur-Sociedade de Tá… (same procedure). They were awarded in the same procedure. Source: Portal BASE, contrato 4780053; Portal BASE, contrato 4779613.
ISIDORO DUARTE S.A. · NIPC 507074106 (same procedure). They were awarded in the same procedure. Source: Portal BASE, contrato 3036722; Portal BASE, contrato 3036848.
ISIDORO DUARTE S.A. · Mr. Bus, Lda (same procedure). They were awarded in the same procedure. Source: Portal BASE, contrato 3036722; Portal BASE, contrato 3036795.
ISIDORO DUARTE S.A. · Safebus – Transportes Per… (same procedure). They were awarded in the same procedure. Source: Portal BASE, contrato 4780053; Portal BASE, contrato 4780156.
ISIDORO DUARTE S.A. · MAFRENSE (competed in the same procedure). They competed in 13 procedures. Source: Portal BASE, contrato 10913954; Portal BASE, contrato 10913954.
ISIDORO DUARTE S.A. · Ovnitur- Viagens e Turismo (competed in the same procedure). They competed in 6 procedures. Source: Portal BASE, contrato 10913954; Portal BASE, contrato 10913954.

28 more links

ISIDORO DUARTE S.A. · concorrente UTS – VIAGENS… (competed in the same procedure). They competed in 4 procedures. Source: Portal BASE, contrato 11579387; Portal BASE, contrato 11579387.
ISIDORO DUARTE S.A. · Ribatejana Verde, Lda (competed in the same procedure). They competed in 4 procedures. Source: Portal BASE, contrato 11218842; Portal BASE, contrato 11218842.
ISIDORO DUARTE S.A. · Safebus – Transportes Per… (competed in the same procedure). They competed in 3 procedures. Source: Portal BASE, contrato 10913954; Portal BASE, contrato 10913954.
ISIDORO DUARTE S.A. · Luminosatour - Aluguer de… (competed in the same procedure). They competed in 3 procedures. Source: Portal BASE, contrato 10867755; Portal BASE, contrato 10867755.
ISIDORO DUARTE S.A. · Transcolvia - Transportes… (competed in the same procedure). They competed in 2 procedures. Source: Portal BASE, contrato 631012; Portal BASE, contrato 631012.
ISIDORO DUARTE S.A. · Turispraia Empresa de Tra… (competed in the same procedure). They competed in 2 procedures. Source: Portal BASE, contrato 1589597; Portal BASE, contrato 1589597.
ISIDORO DUARTE S.A. · TURISTEJO, AGÊNCIA DE VIA… (competed in the same procedure). They competed in 2 procedures. Source: Portal BASE, contrato 9383315; Portal BASE, contrato 9383315.
ISIDORO DUARTE S.A. · Auto Transportes Santo Es… (competed in the same procedure). They competed in 2 procedures. Source: Portal BASE, contrato 10913954; Portal BASE, contrato 10913954.
ISIDORO DUARTE S.A. · Rodoviária do Tejo, S.A. (competed in the same procedure). They competed in 2 procedures. Source: Portal BASE, contrato 3950229; Portal BASE, contrato 3950229.
ISIDORO DUARTE S.A. · Sabugotur-Sociedade de Tá… (competed in the same procedure). They competed in 2 procedures. Source: Portal BASE, contrato 10913954; Portal BASE, contrato 10913954.
ISIDORO DUARTE S.A. · C.J.F. Lopes Unipessoal, … (competed in the same procedure). They competed in 2 procedures. Source: Portal BASE, contrato 10913954; Portal BASE, contrato 10913954.
A Ribatejana, Lda · ISIDORO DUARTE S.A. (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 11218842; Portal BASE, contrato 11218842.
AUTO VIAÇÃO AVEIRENSE, S.… · ISIDORO DUARTE S.A. (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 9435796; Portal BASE, contrato 9435796.
Agência de Viagens Sandin… · ISIDORO DUARTE S.A. (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 9435796; Portal BASE, contrato 9435796.
ISIDORO DUARTE S.A. · Resende-Actividades Turís… (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 6779134; Portal BASE, contrato 6779134.
ISIDORO DUARTE S.A. · AEROCOOPE cRL (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 11218842; Portal BASE, contrato 11218842.
ISIDORO DUARTE S.A. · Carristur Inovação em Tra… (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 9934480; Portal BASE, contrato 9934480.
ISIDORO DUARTE S.A. · Vale do Ave - Transportes… (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 6779134; Portal BASE, contrato 6779134.
ISIDORO DUARTE S.A. · TST- TRANSPORTES SUL DO T… (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 631012; Portal BASE, contrato 631012.
ISIDORO DUARTE S.A. · Viagens e Turismo Planeta… (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 9934480; Portal BASE, contrato 9934480.
ISIDORO DUARTE S.A. · Dianatours – Viagens e Se… (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 10886769; Portal BASE, contrato 10886769.
ISIDORO DUARTE S.A. · RODOVIÁRIA DE LISBOA S.A. (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 9934480; Portal BASE, contrato 9934480.
ISIDORO DUARTE S.A. · A Girómundo - Viagens e T… (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 6779134; Portal BASE, contrato 6779134.
ISIDORO DUARTE S.A. · SSMB (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 11218842; Portal BASE, contrato 11218842.
ISIDORO DUARTE S.A. · Transdev Mobilidade, S.A. (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 11218842; Portal BASE, contrato 11218842.
ISIDORO DUARTE S.A. · Traviama – Transportes Te… (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 11579387; Portal BASE, contrato 11579387.
ISIDORO DUARTE S.A. · Mr. Bus, Lda (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 681533; Portal BASE, contrato 681533.
ISIDORO DUARTE S.A. · DELTABUS, Lda (competed in the same procedure). They competed in 1 procedure. Source: Portal BASE, contrato 681533; Portal BASE, contrato 681533.

Investigations that mention it

No published investigation mentions this company by NIPC.