
Lander Martínez Hierro
Grupo Plurinacional SUMARDeputy for Bizkaia since 3 August 2023
Born in 1989 · Diputado de la XV Legislatura
Portavoz de la Comisión de Derechos Sociales y Consumo
Official profile on congreso.es ↗ · Report an error in this profile
Declared properties
✓ Data copied word for word from the official PDF and checked twice against the original.
According to their asset declaration of 3 August 2023.
- PISO DE 67 M2homeDeclared share: 100%BILBAO · Urban · acquired in 2017 · PLENO DOMINIO POR · COMPRA
Declared income
Income for the year before their declaration of 3 August 2023, exactly as they write it. Their pay from Congress is not declared here: it is published separately (see Pay).
€35,938total of the income they declare
Salaries, fees and other pay
- AHEAD IDEAS S. COOP. PEQUEÑA30.405,92€
- ACTIVIDADES ECONÓMICAS (TERTULIAS TELEVISIÓN)5.531,98€
Income tax (IRPF) paid the previous year (net tax due)5390,64 €
Page 1 of their declaration of 3 August 2023 (PDF) ↗ · How it is obtained
Accounts and deposits
Balance of all their deposits according to their declaration of 3 August 2023. Account numbers are not published.
€32,346in current accounts, savings accounts and other deposits
- DOS CUENTAS CORRIENTES Y UN FONDO DE INVERSIÓN.32.345,54 €
Page 2 of their declaration of 3 August 2023 (PDF) ↗ · How it is obtained
Shares, funds and companies
€4,000value they declare (total of the official tables)
Government bonds, shares and holdings
According to their declaration of 3 August 2023.
- 50% DE UNA LA COOPERATIVA AHEAD IDEAS S. COOP. PEQUEÑA4.000€
Section “Otros bienes o derechos” (page 3) of their asset declaration · How it is obtained
Vehicles
- TOYOTA YARIS HYBRIDacquired in 2016
According to their asset declaration of 3 August 2023. Number plates are not published.
Debts and loans
According to their asset declaration of 3 August 2023. Amounts are copied exactly as the deputy writes them.
€85,565outstanding balance on 1 loan (total of the official table)
| Loan (description and lender) | Granted | Amount granted | Outstanding balance |
|---|---|---|---|
| HIPOTECA | 23/03/2017 | 100.000€ | 85.564,83€ |
Section “Deudas y obligaciones patrimoniales” of their official declaration · How it is obtained
Pay from Congress
€6,781.88a month (official 2026 amounts)
| Constitutional allowance | €3,366.99 |
| Representation expenses | €1,252.04 |
| Expense allowance (exempt from income tax) | €2,162.85 |
| Monthly total | €6,781.88 |
|---|
Includes supplements for: Portavoz de Comisión. Does not include other income (for example, a government minister’s salary) or travel expenses, which Congress pays directly.
Their votes in the plenary
All plenary votes of the XV term with a published roll call, since they became a deputy (19 September 2023 – 30 September 2026).
2,156votes cast out of 2,173 roll calls in which they held a seat (99.2%)
849 yes1,201 no106 abstain17 did not vote
Votes different from their group
1 time they voted yes, no or abstain differently from the majority of their group in that vote:
Roll-call votes from the Congress open data. The group for each vote is the one Congress publishes for that date; secret ballots are not counted · How it is calculated · All votes
Votes on housing
5 yes2 no
- YesRental measuresGovernment decree-law · 28 April 2026 · RepealedReal Decreto-ley 8/2026, de 20 de marzo, de medidas en el alquiler en respuesta a las consecuencias económicas y sociales de la Guerra de Irán.
- YesAmend the Housing ActSUMAR proposal · 15 September 2026 · RejectedProposición de Ley del Grupo Parlamentario Plurinacional SUMAR, para la modificación de la Ley 12/2023, de 24 de mayo, por el derecho a la vivienda.
- YesCurb property speculationSUMAR non-binding motion · 20 May 2026 · RejectedProposición no de Ley del Grupo Parlamentario Plurinacional SUMAR, para frenar la especulación inmobiliaria y garantizar el acceso a una vivienda digna. Se vota en los términos de la enmienda transaccional presentada por el Grupo Parlamentario Socialista y el Grupo Parlamentario Plurinacional SUMAR.
- NoAgainst illegal squattingPP proposal · 19 May 2026 · PassedProposición de Ley del Grupo Parlamentario Popular en el Congreso, Orgánica contra la ocupación ilegal de inmuebles y para la convivencia vecinal y la protección de la seguridad de las personas y cosas en las comunidades de propietarios.
- NoUrban planning and housingPP proposal · 21 April 2026 · PassedProposición de Ley del Grupo Parlamentario Popular en el Congreso, de medidas administrativas y procesales para la seguridad jurídica de la ordenación territorial y urbanística, el impulso del desarrollo urbano y la vivienda.
- YesRegulate tourist flatsEH Bildu proposal · 7 October 2025 · PassedProposición de Ley del Grupo Parlamentario Euskal Herria Bildu, sobre control y regulación de la publicidad y contratación de los pisos turísticos.
- YesSeasonal and room rentalsSUMAR, ERC, Bildu and Mixed Group proposal · 17 December 2024 · PassedProposición de Ley de los Grupos Parlamentarios Plurinacional SUMAR, Republicano, Euskal Herria Bildu y Mixto, para la regulación de los contratos de alquiler temporales y alquiler de habitaciones.
Roll-call votes published in the Congress open data. Tap a vote to see how each group voted and its official documents · All votes
Compatible posts and activities
What the deputy has declared and the plenary has deemed compatible with their seat, copied word for word from the Register of Interests.
Actividades privadas autorizadas
- Socio trabajador autónomo en una cooperativa con fecha de cese y excedencia forzosa el 31 de julio de 2023. · plenary decision of 19 December 2023
Register of Interests - Activities (PDF) ↗ · How it is obtained
Previous jobs and interests
Activities in the five years before taking their seat
According to their declaration of economic interests of 3 August 2023: those that may influence their political activity or that provided them with income.
- AHEAD IDEAS S. COOP. PEQUEÑACONSULTORÍA09/2021 a 07/2023 · SOCIO TRABAJADOR AUTÓNOMO EN LA COOPERATIVA
- PARLAMENTO VASCOINSTITUCIÓN09/2016 a 07/2020 · PARLAMENTARIO
Donations and gifts received
- FAMILIA: DIVERSOS REGALOS FAMILIARES DE BAJO VALOR ECONÓMICOS
Foundations and associations they contribute to
- ASOCIACIÓN SUMAR: APORTACIONES PUNTUALES A LA ASOCIACIÓN SUMAR PARA SU DESARROLLO
- MEDICOS SIN FRONTERAS: APORTACIÓN PERIÓDICA
Education
- Ingeniero informático y máster en comunicación y marketing político.
- Ha desempeñado labores de ingeniería y como consultor político.
The profile does not say where they studied.
Text copied word for word from their personal profile on congreso.es ↗, written by each deputy. Public or private according to the official register of universities (RUCT) ↗ · How it is obtained
Career
Deputy for Bizkaia since 3 August 2023 · Diputado de la XV Legislatura.
Posts in Congress
- Portavoz de la Comisión de Derechos Sociales y Consumo
Before Congress
- Residente en Bilbao.
- 2016 a 2020, parlamentario y portavoz de Podemos en el Parlamento Vasco.
- 2017 a 2020.
- Secretario General de Podemos Euskadi.
Timeline
- PostPortavoz adjunto de la Comisión Constitucional
- PostVocal de la Diputación Permanente
- PostPortavoz de la Comisión de Derechos Sociales y Consumo
- PostPortavoz Comisión de Industria y Turismo
- PostSecretario Primero de la Comisión de Interior
- PostVocal Comisión de Industria y Turismo
- CongressBecomes a full deputy in the XV term
- AssetsDeclaration of assets and income (PDF) ↗
1 property (1 home) and 1 vehicle · debts: 1 loan with €85,565 outstanding
- Career2017 a 2020.
- Career2016 a 2020, parlamentario y portavoz de Podemos en el Parlamento Vasco.
Dates from their official profile (terms, current posts and years mentioned in their career) and from their declarations in this term. The figures for each asset declaration are those of that document; amendments only report changes.