Tax calendar 2026: never miss a deadline
Missing tax deadlines generates surcharges, interest on late payment and penalties that can be avoided with the right information. In Spain, the AEAT sets more than 40 different tax deadlines throughout the year, with filing dates concentrated in January, April, July and October. Self-employed professionals, SMEs and companies that do not actively manage their tax diary end up paying surcharges of 1% to 15% on liabilities they could have settled on time, plus interest on late payment (the statutory interest rate under Art. 26 LGT). The problem is that each tax has its own periodicity and its own deadline, and the AEAT does not send reminders.
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This calendar sets out the most relevant tax deadlines for 2026 for self-employed professionals, SMEs and individuals: quarterly VAT (Modelo 303), IRPF advance payments (Modelos 130 and 131), withholdings (Modelos 111 and 115), the Income Tax 2025 campaign, asset and informative declarations (Modelos 720, 721 and 347) and Corporate Tax. Deadlines are presented month by month and it is indicated who must file each return. BMC manages its clients' tax diary proactively, with due-date alerts and electronic filing.
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Quarterly VAT (Modelo 303)
20 April, 20 July, 20 October and 30 January of the following year
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Income Tax 2025 campaign
8 April to 30 June 2026, with direct debit up to 25 June
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Modelo 720/721 (foreign assets and crypto-assets)
1 January to 31 March 2026
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Modelo 347 (third-party transactions)
by 2 March 2026
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The problem
Missing tax deadlines generates surcharges, interest on late payment and penalties that can be avoided with the right information. In Spain, the AEAT sets more than 40 different tax deadlines throughout the year, with filing dates concentrated in January, April, July and October. Self-employed professionals, SMEs and companies that do not actively manage their tax diary end up paying surcharges of 1% to 15% on liabilities they could have settled on time, plus interest on late payment (the statutory interest rate under Art. 26 LGT). The problem is that each tax has its own periodicity and its own deadline, and the AEAT does not send reminders.
Our solution
This calendar sets out the most relevant tax deadlines for 2026 for self-employed professionals, SMEs and individuals: quarterly VAT (Modelo 303), IRPF advance payments (Modelos 130 and 131), withholdings (Modelos 111 and 115), the Income Tax 2025 campaign, asset and informative declarations (Modelos 720, 721 and 347) and Corporate Tax. Deadlines are presented month by month and it is indicated who must file each return. BMC manages its clients' tax diary proactively, with due-date alerts and electronic filing.
Spanish tax calendar 2026: deadlines by month
This calendar sets out the relevant tax deadlines for self-employed professionals, SMEs and individuals in Spain. The standard quarterly deadlines coincide with the 20th of the relevant month for VAT, withholdings and advance payments. Where the 20th falls on a public holiday or weekend, the deadline moves to the next working day.
Note: Standard deadlines apply unless the AEAT publishes changes due to national public holidays or extraordinary measures. Always verify the exact date on the AEAT’s electronic seat before filing.
January 2026
| Date | Model | Description | Who files |
|---|---|---|---|
| 30 January | Modelo 303 | VAT Q4 2025 (quarterly) | Self-employed and SMEs in the general regime |
| 30 January | Modelo 390 | Annual VAT summary 2025 | Self-employed and SMEs required to file Modelo 303 |
| 30 January | Modelo 130 | IRPF advance payment Q4 2025 | Self-employed under direct estimation |
| 30 January | Modelo 131 | IRPF advance payment Q4 2025 (modules) | Self-employed under objective estimation |
| 20 January | Modelo 115 | Withholding on leases Q4 2025 | Business lessees of real estate |
| 20 January | Modelo 111 | Withholdings on employment and professional income Q4 2025 | Companies and self-employed with employees or suppliers subject to withholding |
| 2 February | Modelo 190 | Annual summary of employment withholdings 2025 (31 January 2026 is a Saturday) | Companies and payers of employment income |
| 31 January | Modelo 180 | Annual summary of withholdings on leases 2025 | Business lessees of commercial real estate |
| 31 January | Modelo 193 | Annual summary of withholdings on investment income 2025 | Entities that have withheld tax on dividends and interest |
Note on January: The fourth quarter accumulates multiple deadlines. The 20th is usually the standard deadline for self-assessments and the 31st is the deadline for annual informative summaries. Check with the AEAT whether any date falls on a national public holiday.
February 2026
| Date | Model | Description | Who files |
|---|---|---|---|
| February (full month) | Modelo 347 | Annual declaration of third-party transactions 2025 | Companies and self-employed with transactions exceeding 3,005.06 euros with the same party |
| February (full month) | Modelo 720 | Informative declaration of foreign assets 2025 (start of deadline) | Residents with assets or accounts abroad exceeding 50,000 euros per category |
Modelo 347: The deadline is the entire month of February. The exact closing date is the last working day of the month; in 2026, as 28 February is a Saturday, it moves to 2 March 2026.
March 2026
| Date | Model | Description | Who files |
|---|---|---|---|
| 31 March | Modelo 720 | Informative declaration of assets and rights abroad 2025 | Residents with assets abroad exceeding 50,000 euros per category |
| 31 March | Modelo 721 | Informative declaration of crypto-assets with foreign custodians 2025 | Residents with crypto-assets on foreign exchanges or custodians exceeding 50,000 euros |
Modelos 720/721: The deadline runs from 1 January to 31 March. Although it is technically possible to file from January, most taxpayers file in March. Verify with the AEAT whether 31 March is a working day in 2026.
April 2026
| Date | Model | Description | Who files |
|---|---|---|---|
| 8 April | — | Start of Income Tax 2025 campaign online (Renta WEB) | All income taxpayers |
| 20 April | Modelo 303 | VAT Q1 2026 (January-March) | Self-employed and SMEs in the general regime |
| 20 April | Modelo 130 | IRPF advance payment Q1 2026 | Self-employed under direct estimation |
| 20 April | Modelo 131 | IRPF advance payment Q1 2026 (modules) | Self-employed under objective estimation |
| 20 April | Modelo 111 | Withholdings on employment and professional income Q1 2026 | Companies and self-employed with employees or suppliers subject to withholding |
| 20 April | Modelo 115 | Withholding on leases Q1 2026 | Business lessees of real estate |
| 29 April | — | Start of telephone assistance appointment requests for Income Tax 2025 | Taxpayers who prefer telephone assistance |
Verified AEAT source: The Income Tax 2025 campaign began on 8 April 2026 according to the Tax Agency (sede.agenciatributaria.gob.es/Sede/Renta.html, updated 18 May 2026). Telephone assistance appointments opened on 29 April.
May 2026
| Date | Model | Description | Who files |
|---|---|---|---|
| 6 May | — | Start of telephone assistance for Income Tax 2025 (Plan Le Llamamos) | Taxpayers with an appointment |
| 29 May | — | Start of in-person assistance appointment requests for Income Tax 2025 | Taxpayers who prefer in-person assistance |
June 2026
| Date | Model | Description | Who files |
|---|---|---|---|
| 1 June | — | Start of in-person assistance for Income Tax 2025 at AEAT offices | Taxpayers with an appointment |
| 25 June | Modelo 100 | Deadline for direct debit for Income Tax 2025 where there is tax to pay | Taxpayers with a liability who wish to set up a direct debit |
| 29 June | — | End of Income Tax 2025 appointment requests | — |
| 30 June | Modelo 100 | End of Income Tax 2025 campaign | All income taxpayers |
Direct debit by 25 June: Returns with a liability to be settled by direct debit must be filed before 25 June. The account debit takes place on 30 June. The instalment payment option (60% in June + 40% in November via Modelo 102) also requires filing before 25 June and selecting the instalment option.
July 2026
| Date | Model | Description | Who files |
|---|---|---|---|
| 1-27 July | Modelo 200 | Corporate Tax 2025 | Companies with a financial year ending 31 December 2025 |
| 20 July | Modelo 303 | VAT Q2 2026 (April-June) | Self-employed and SMEs in the general regime |
| 20 July | Modelo 130 | IRPF advance payment Q2 2026 | Self-employed under direct estimation |
| 20 July | Modelo 131 | IRPF advance payment Q2 2026 (modules) | Self-employed under objective estimation |
| 20 July | Modelo 111 | Withholdings on employment and professional income Q2 2026 | Companies and self-employed with employees or suppliers subject to withholding |
| 20 July | Modelo 115 | Withholding on leases Q2 2026 | Business lessees of real estate |
Modelo 200 (Corporate Tax): The deadline for companies with a financial year coinciding with the calendar year (year-end 31 December) is 1 to 27 July 2026. Companies with a different financial year have deadlines calculated from their own year-end date. Verify the exact deadline with the AEAT or your adviser.
October 2026
| Date | Model | Description | Who files |
|---|---|---|---|
| 20 October | Modelo 303 | VAT Q3 2026 (July-September) | Self-employed and SMEs in the general regime |
| 20 October | Modelo 130 | IRPF advance payment Q3 2026 | Self-employed under direct estimation |
| 20 October | Modelo 131 | IRPF advance payment Q3 2026 (modules) | Self-employed under objective estimation |
| 20 October | Modelo 111 | Withholdings on employment and professional income Q3 2026 | Companies and self-employed with employees or suppliers subject to withholding |
| 20 October | Modelo 115 | Withholding on leases Q3 2026 | Business lessees of real estate |
November 2026
| Date | Model | Description | Who files |
|---|---|---|---|
| 5 November | Modelo 102 | Second instalment of Income Tax 2025 (remaining 40%) | Taxpayers who opted to pay Income Tax 2025 in instalments |
Modelo 102: Only filed by those who opted for instalment payment when submitting their Income Tax 2025 return before 25 June. The remaining 40% falls due on 5 November with no interest. Verify the exact date with the AEAT in case it falls on a public holiday.
December 2026
December has no quarterly deadlines. It is the last month of the 2026 financial year and the ideal time for tax planning before year-end: pension plan contributions, timing of asset disposals with latent gains, flexible remuneration and adjustment of withholdings to avoid surprises in the Income Tax 2026 campaign (to be filed in 2027).
The returns that most affect self-employed professionals and SMEs
Modelo 303: quarterly VAT
Modelo 303 is the quarterly self-assessment of Value Added Tax. It is filed by all self-employed professionals and companies carrying on economic activities subject to IVA, regardless of whether the result is a payment due, a credit to carry forward or a refund.
2026 deadlines (standard quarterly regime):
- Q1 (January-March): 1 to 20 April 2026
- Q2 (April-June): 1 to 20 July 2026
- Q3 (July-September): 1 to 20 October 2026
- Q4 (October-December): 1 to 30 January 2027
Large companies and those registered in the REDEME file Modelo 303 monthly. Farmers and livestock owners under the special agricultural regime apply different rules.
Modelo 130/131: IRPF advance payments
Modelo 130 is filed by self-employed professionals under direct estimation (standard or simplified). Modelo 131 is filed by self-employed professionals under objective estimation (modules). Both are quarterly advance payments on account of the annual income tax.
2026 deadlines:
- Q1: 1 to 20 April 2026
- Q2: 1 to 20 July 2026
- Q3: 1 to 20 October 2026
- Q4: 1 to 30 January 2027
Professionals who invoice exclusively to companies with a 15% withholding and where that withholding represents more than 70% of their total income may be exempt from filing Modelo 130 during the year.
Modelo 111: withholdings on employment income and economic activities
Modelo 111 covers the withholdings made on salaries, professional fees, income from economic activities and prizes. It is filed by all companies with employees and all payers of fees to professionals where withholding applies.
2026 quarterly deadlines (for the vast majority of filers):
- Q1: by 20 April 2026
- Q2: by 20 July 2026
- Q3: by 20 October 2026
- Q4: by 20 January 2027
Modelo 115: withholding on leases
Modelo 115 is filed by business lessees of real estate where the landlord is required to make a withholding (real estate used in the lessee’s economic activities). The deadlines are the same as for Modelo 111.
Modelo 347: third-party transactions
Modelo 347 declares transactions carried out with any individual or entity that in aggregate over the year exceed 3,005.06 euros, both purchases and sales. It is filed during February of the year following the transactions being reported.
The majority of companies and self-employed professionals are required to file it, except for certain groups (large companies under the SII system, taxpayers under special regimes who already report through other channels, etc.).
Modelo 200: Corporate Tax
Modelo 200 is the annual Corporate Tax return. For companies with a financial year coinciding with the calendar year (year-end 31 December), the deadline is 1 to 25 July of the following year. For 2025, the deadline is 1 to 25 July 2026.
Companies may also be required to file Corporate Tax advance payments on account via Modelo 202 (in April, October and December).
Informative returns: Modelos 720, 721 and 190
Modelo 720: assets and rights abroad
Modelo 720 requires tax residents in Spain to declare assets and rights held abroad when their value exceeds 50,000 euros per category (bank accounts, securities and real estate). The deadline is 1 January to 31 March of the following year.
For assets at 31 December 2025, the deadline was 1 January to 31 March 2026. The obligation to file in subsequent years arises only when there are changes exceeding 20,000 euros compared with the last year declared.
Modelo 721: crypto-assets with foreign custodians
Modelo 721 is the informative obligation on cryptocurrency balances held on exchanges or custodians located outside Spain, when the value exceeds 50,000 euros. It is filed on the same deadline as Modelo 720: 1 January to 31 March.
This obligation came into force with effect from the 2023 financial year and is consolidated in 2026 as part of the crypto-asset tax transparency framework (European DAC8).
Modelo 190: annual summary of employment withholdings
Modelo 190 is the annual summary of all withholdings made on employment income and income from economic activities during the year. It is filed by all companies that have employees or that have paid fees subject to withholding. The deadline is 1 to 31 January of the year following the withholdings.
Penalties and surcharges for late filing
Knowing the deadlines is necessary; knowing the consequences of missing them is essential for understanding the real cost of delay.
Surcharges for voluntary late filing (without prior notice)
| Delay period | Surcharge | Interest on late payment |
|---|---|---|
| Up to 1 month | 1% | No |
| 1 to 2 months | 2% | No |
| 2 to 3 months | 3% | No |
| 3 to 4 months | 4% | No |
| 4 to 5 months | 5% | No |
| 5 to 6 months | 6% | No |
| 6 to 7 months | 7% | No |
| 7 to 8 months | 8% | No |
| 8 to 9 months | 9% | No |
| 9 to 10 months | 10% | No |
| 10 to 11 months | 11% | No |
| 11 to 12 months | 12% | No |
| More than 12 months | 15% | Yes, at the statutory rate |
Where the AEAT issues a notice first
When a late filing occurs after an AEAT notice, the infringement is classified as a tax offence. The minimum penalty for a minor infringement is 50% of the unpaid liability, plus the corresponding interest on late payment.
The difference between a 1% surcharge (one month’s delay, no prior notice) and a 50% penalty (with prior notice) underlines why any delay should be resolved with an immediate voluntary filing, without waiting for the AEAT to take action.
Who must file what: table by profile
| Profile | Required returns |
|---|---|
| Employed person with no additional income | Modelo 100 (income tax) if above the threshold |
| Employed person with investments or rental income | Modelo 100 |
| Self-employed under direct estimation | 303, 130, 111 (if employees), 190, 100, and depending on activity: 115, 347 |
| Self-employed under modules | 303 (or simplified), 131, 111 (if employees), 190, 100 |
| Company (S.L., S.A.) | 200, 202 (Corporate Tax advance payments), 303, 111, 115, 190, 347 |
| Resident with assets abroad | Modelo 720 |
| Resident with crypto-assets on foreign exchanges | Modelo 721 |
| Non-resident with income in Spain | Modelo 210 (IRNR), not Modelo 100 |
This table is indicative. Specific obligations depend on the type of activity, the chosen tax regime and individual circumstances. Consult your tax adviser to determine which returns apply to your situation.
Why a proactive tax diary makes the difference
The cost of a 15% surcharge on a VAT liability of 5,000 euros is 750 euros. The cost of the AEAT issuing a notice before you file is at least 2,500 euros (minimum penalty of 50%). These amounts frequently exceed the cost of a professional tax advisory service for a whole year.
At BMC we manage our clients’ tax diary proactively: we track the deadlines, prepare self-assessments with sufficient lead time, file electronically and document every action. The client does not need to remember deadlines or manage access to the AEAT’s electronic seat.
If you run your own business, work as a self-employed professional or hold investments with informative obligations, a review of your tax diary can identify both late-filing risks and optimisation opportunities that the calendar alone does not resolve.
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