From verifiable tax reports to specialized advisory, we help you comply with AEAT with precision, transparency, and confidence.
Personalized solutions for every type of investor. From data analysis to expert tax advisory.
Integration, cleaning, and consolidation of data from multiple exchanges, brokers, wallets, and DeFi protocols. We transform scattered portfolios into unified, traceable, and auditable reports.
Calculation of capital gains, losses, and income using FIFO criteria. Preparation of forms 100, 721, and 714 with complete documentation and review by certified tax advisors.
Connect your wallets and exchanges to real-time dashboards with CoinTracking. Continuous monitoring, configurable alerts, and automated reports for moderate complexity portfolios.
Personalized 1:1 sessions to resolve tax questions about cryptocurrencies. Filing criteria, regulatory compliance, and document review. No investment advice.
Not sure which service you need? Request a free evaluation and we'll help you find the perfect solution for your case.
Complete guides, real case analyses, and regulatory updates written by our team of tax experts. Everything you need to know to optimize your tax situation.
Complete guide to documenting your decentralized finance activity for the Spanish Tax Authority. Learn what evidence the AEAT expects, how to extract on-chain data, value transactions in euros, and build a robust tax documentation system.
Discover when and how to declare your cryptocurrencies on Form 714 for Wealth Tax. Thresholds by autonomous community, valuation of digital assets, NFTs, DeFi, staking and strategies to optimize your wealth declaration before the AEAT.
Learn how to design a professional ETL pipeline that transforms the chaos of data from multiple exchanges and wallets into precise, auditable tax information. Architecture, tools, and best practices to automate your cryptocurrency tax return.
Everything you need to know about cryptocurrency lending and borrowing taxation in Spain. Correctly declare interest, collateral and liquidations to the AEAT.
Complete and updated guide to correctly export all your Bybit history in CSV format. Learn how to download transactions, spot trades, derivatives, conversions and rewards to prepare your tax return and comply with the AEAT.
Step-by-step guide to correctly export your complete Kraken history in CSV format. Learn how to download transactions, trades, conversions and staking for your tax return and AEAT compliance.
Step-by-step guide to exporting and documenting all your Ledger Live transactions for tax filing. Learn how to obtain your transaction history, staking, swaps, and multichain operations from your hardware wallet to comply with the AEAT.
Depositing into a liquidity pool generates more tax obligations than you might imagine: swaps when entering, yields while staying, and new gains when exiting. Discover the complete tax cycle of LP tokens and avoid mistakes that can cost you thousands of euros with the Spanish Tax Authority.
Yield farming generates attractive returns, but its taxation in Spain is complex: rewards, LP tokens, impermanent loss, and multiple protocols. Discover exactly how to report each type of gain to the AEAT and avoid penalties that can exceed 150%.
Advanced guide to understand how DAC8 affects DeFi activity: non-custodial wallets, liquidity pools, lending, bridges and yields. Discover what the Spanish Tax Agency (AEAT) will be able to infer and how to prepare your data to comply without errors.
Practical, no-nonsense guide to understand how the DAC8 Directive will affect crypto investors and users in the EU. Discover which obligations are changing, what data your exchanges will report and how to prepare to avoid penalties.
A clear and practical explanation of the DAC8 Directive applied to cryptocurrencies. Discover what information exchanges will report to the tax authorities, how it will affect your tax returns and what you can do now to get prepared.
Professional guide to clean, debug, and prepare your cryptocurrency data before filing your tax return. Learn data engineering techniques applied to crypto taxation so you can obtain accurate reports for the Spanish Tax Agency (AEAT).
Step-by-step guide to export and document all your Metamask transactions for your tax return. Learn how to obtain the transaction history, swaps, approvals and DeFi operations from your wallet to comply with the AEAT.
Step-by-step guide to correctly export all your Binance data in CSV format. Learn how to obtain your transaction history, trades, staking, earn and conversions to prepare your income tax return and comply with the AEAT.
Decentralized exchanges (DEX) like Uniswap pose unique tax challenges: swaps, liquidity pools, farming and impermanent loss. Learn how each operation is taxed by the AEAT and avoid tax mistakes that can cost you thousands of euros.
Thousands of investors believe that converting their cryptocurrencies to stablecoins like USDT or USDC protects them from taxes. Discover why this is one of the most costly mistakes you can make with the Spanish Tax Authority and how to avoid penalties of up to 150%.
Confused about forms 100, 721, and 714 for declaring cryptocurrencies? This complete guide explains the differences, when to file each one, deadlines, and how to avoid penalties of up to €150,000. Includes answers to frequently asked questions and common mistakes.
A complete guide to the best tools to track and manage your crypto portfolio. We compare DeBank, Zerion, CoinTracking, Koinly and other solutions, explaining which is best for taxation in Spain and when you need a professional service.
Comprehensive guide to cryptocurrency mining taxation in Spain. Learn how to register as self-employed, your obligations with the AEAT, Modelo 130, allowable deductions, and the differences between professional and occasional miners.
Comprehensive guide to NFT taxation in Spain. Learn how to report your non-fungible tokens to the AEAT, the differences between creators and buyers, VAT, ITP, and capital gains.
A complete guide to Form 721 and how to declare your cryptocurrencies held abroad or on DeFi platforms under Spanish tax regulations.
Learn how to correctly classify your cryptocurrency transactions according to AEAT criteria and avoid mistakes in your tax declaration.
Discover the most common mistakes made when declaring cryptocurrencies to the AEAT and learn how to avoid them to ensure an accurate and compliant tax return.
Discover how DeFi operations are taxed in Spain in 2025. We explain the taxation of staking, yield farming, airdrops, and other rewards according to the AEAT.
Everything you need to know to correctly declare your cryptocurrencies to the AEAT: FIFO, Models 100, 720, and 721, capital gains, and practical case studies.
Complete guide to declaring cryptocurrencies in your 2025 tax return according to AEAT regulations. Learn what to declare, how to do it, and how to avoid common mistakes.
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A transparent process from start to finish. You’ll know exactly what to expect at each stage.
Send us basic information about your platforms, transaction volume, and asset types. We’ll reply within 24–48h with an initial, no-obligation analysis.
We assess your case’s complexity: number of exchanges, types of operations (trading, staking, DeFi), fiscal years to process, and special requirements.
You receive a detailed quote with fixed price, work scope, execution timeline, and specific deliverables. No surprises or hidden fees.
We process your data, perform certified tax calculations, and prepare auditable reports. Review by a licensed tax advisor is included.
You receive the complete tax report, official forms ready to submit, and a review session. Post-delivery support included during the Income Tax campaign.
Send us basic information about your platforms, transaction volume, and asset types. We’ll reply within 24–48h with an initial, no-obligation analysis.
We assess your case’s complexity: number of exchanges, types of operations (trading, staking, DeFi), fiscal years to process, and special requirements.
You receive a detailed quote with fixed price, work scope, execution timeline, and specific deliverables. No surprises or hidden fees.
We process your data, perform certified tax calculations, and prepare auditable reports. Review by a licensed tax advisor is included.
You receive the complete tax report, official forms ready to submit, and a review session. Post-delivery support included during the Income Tax campaign.
Comprehensive solutions in crypto and digital asset taxation, tailored to each type of investor.
At Cleriontax, we combine tax analysis and data science to offer a comprehensive and transparent service. Our team approaches each investment portfolio—whether in cryptocurrencies, DeFi, or traditional digital assets—with the precision required by current regulations.
We work with a proprietary methodology that guarantees complete traceability of operations, correct tax classification, and the generation of clear, auditable reports 100% compatible with AEAT. Each tax report is reviewed by professionals specialized in crypto taxation, ensuring accuracy in calculations and consistency in presentation.
Additionally, we offer personalized support throughout the entire tax process: from initial review to delivery of official forms and post-filing support. Our goal is for each client to file with confidence and without uncertainty, backed by top-quality cryptocurrency tax advisory.
We don’t use third-party automated software. We analyze your data from scratch to ensure accuracy, traceability, and full tax compliance.
Our team combines tax expertise and data analytics to deliver results that no automated tool can match. We process millions of multichain transactions with technical rigor, interpreting each one according to the Spanish Tax Agency’s (AEAT) criteria. This way, we turn chaotic data into 100% reliable, verifiable, and auditable tax reports.
We don’t rely on automated software. Each transaction is classified and verified according to Spanish tax regulations.
We don’t rely on automated software. Each transaction is classified and verified according to Spanish tax regulations.
Ethereum, BSC, Polygon, Solana, Cosmos, Osmosis... We understand each ecosystem and its tax implications.
Ethereum, BSC, Polygon, Solana, Cosmos, Osmosis... We understand each ecosystem and its tax implications.
Every figure is backed by its source. Full transparency before the Tax Agency.
Every figure is backed by its source. Full transparency before the Tax Agency.
We process data in our own secure environments, never uploading it to external servers.
We process data in our own secure environments, never uploading it to external servers.
We guide you through the entire process, explaining every result clearly and with solid tax reasoning.
We guide you through the entire process, explaining every result clearly and with solid tax reasoning.
Advanced data cleaning, normalization, and reconciliation. We process complex CSV files, APIs, and blockchain records with technical precision.
Advanced data cleaning, normalization, and reconciliation. We process complex CSV files, APIs, and blockchain records with technical precision.
Request your tax report and forget about data chaos, errors, and doubts before the Tax Agency.
