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.
The inquirer asks how much must be reinvested in a new home to exempt the capital gain from selling a previous one, if the intention is to use the funds to reduce the new mortgage. The DGT rules that, where third-party financing is involved, the amount considered for the exemption is the transfer value minus the outstanding principal.
Amount that should be reinvested in the new residence so that the entirety of the capital gain generated remains fully exempt.
In order for the gain from the transfer of the primary residence to be exempt, the total amount obtained must be reinvested in the acquisition or renovation of a new primary residence. If external financing was used for the transferred residence, the total amount obtained is considered to be the transfer value minus the principal of the loan outstanding to be amortized. The reinvestment must be carried out within a period of two years prior to or following the date of disposal.
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