Corporate transactions, capital markets and strategic deals.
Independent assessment and rigorous valuation of assets and businesses.
Business reinvention, sustainability and wealth management.
Corporate governance, succession and transformation
International tax planning and cross-border structuring.
Regulatory compliance and tax reporting obligations.
Special regimes for individuals and digital assets.
Tax defense and wealth taxes
Corporate immigration, ICT transfers, investor residency, digital nomad and regularisation.
Employment relations, mobility and regulatory protection.
Protection, compliance and digital resilience
Data protection, DPO and AI regulation
Company formation, contracts, shareholder agreements and corporate operations.
Contracts, dismissals, redundancies and labour court representation.
Insolvency proceedings, fresh start, micro-enterprise procedure and dissolution.
Litigation, arbitration, mediation, IP and real estate law.
Accounting, reporting and outsourced financial management.
Entity management, governance and personnel administration.
Incorporation, incentives and business acceleration.
Risk management, continuity and recovery
New guides on the latest Spanish tax and immigration developments.
Practical tools for informed decision-making.
Everything BMC One does
Each capability links to its area. Partial: part of it works; the detail is on the area page.
Try
Business Services
Tax
Legal
Security
Nothing for “”. Try “VAT”, “payroll”, or “signature”.
By area
Business ServicesOperations
Your business, up to date in one place
Our team books, calculates and submits.
Ask your assistantExamples
How many active employees do we have, and under which collective agreement and type of contract?
Add these three employees with their DNI, Social Security number and start dateThey stay in BMC One; nothing is notified to Social Security.
Tax
Every Spanish tax deadline, in plain sight
Our team prepares, files and responds.
Ask your assistantExamples
Which returns do we have this quarter and which have already been filed?
Change the tax address on the record to Calle Muestra 5, MadridIt changes the record in BMC One; nothing changes with the AEAT.
Legal
Every phase, with its status and its date
BMC lawyers handle every matter; in BMC One you see its phases and the status of each one.
Ask your assistantExamples
Which documents are still awaiting signature and who has yet to sign?
Prepare an envelope for Lucía Prueba to sign this contract on the last pageIt stays in draft. Sending it is a critical action: only with the Custom role.
Strategy
The whole transaction in one file
The analysis and the recommendation are signed by the people on the team.
Ask your assistantExamples
Find what BMC has written to us about the capital increase
Where do the tax obligations of every company in the group stand, and which one has gaps?With a group access.
Across all areas
ConnectionsAPI, MCP and webhooks
It works with any assistant that supports remote MCP connectors with OAuth sign-in; for example, Claude, which we have tested it with, or ChatGPT Business, Enterprise and Edu, as documented.
With a token, also Gemini CLI, Cursor, n8n, Make or Zapier; and, by API and signed webhooks, your own systems.
No assistant files with the AEAT, moves money or signs for you.
Only with the Custom role, chosen permission by permission.
API and MCPConnect your AIIntegrationsPublic administrations
Security
Its own scoped access, never your session
BMC One, its database and your documents are on our own dedicated servers in Europe. The database is not exposed to the internet.
No assistant files with the AEAT, moves money or signs for you.
Illustration of what you choose when you authorise an access. Fictitious data.
Returns
ReturnsForms 720, 721 and 210
Returns for investors and non-residents
Assets held abroad, crypto assets and non-resident income, at two levels: Platform and With an adviser.
BMC's client environment, included in your engagement: never sold separately.
A regional council asks whether water supply to municipalities is subject to VAT and whether infrastructure works allow passive investor investment. The DGT confirms that the supply is VAT liable and that passive investor investment does not apply because the works are not part of a land urbanisation process.
Si el suministro en alta del agua que realice el consultante a los municipios se encontrará sujeto al Impuesto sobre el Valor Añadido. Si a las ejecuciones de obras que va a recibir el consultante les resultará de aplicación el supuesto de inversión del sujeto pasivo previsto en el artículo 84.Uno.2º.f) de la Ley 37/1992. En su caso, procedimiento para rectificar las cuotas que se hubieran repercutido incorrectamente por aplicación incorrecta de dicha regla. Deducibilidad de las cuotas del Impuesto sobre el Valor Añadido soportadas en las referidas ejecuciones de obras.
El suministro de agua en alta está sujeto a IVA al formar parte del ciclo integral del agua. No se aplica la inversión del sujeto pasivo en las obras de canalización porque estas no se ejecutan en el marco de un proceso de urbanización de terrenos. Para rectificar cuotas mal repercutidas, se debe emitir factura rectificativa y, si hay aumento de cuota, presentar declaración rectificativa con recargos e intereses. La deducibilidad de las cuotas soportadas dependerá de si se destinan a operaciones sujetas y no exentas, aplicando criterios de imputación si hay actividad dual.
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