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Boutique tax & legal advisory

The partner who advises you is the one who signs. And the one who represents you.

Strategy, tax, legal and operations — always the area specialist, from the first contact. No escalation to juniors, no internal handoffs, no surprises on the invoice.

25+

years active

15

offices

500+

businesses advised

REAF · ICAM

with professional indemnity insurance

ES · EN · DE

native-speaker advisors

Handled by the responsible partner, not a case manager · Response within 24 business hours · Google Meet or in person · Professional confidentiality from the first email · Free cancellation up to 24 h before

What we don't do

We don't chase volume. We don't assign your case to an associate. We don't work on contingency fees — professional independence or nothing.

We take on a limited number of new clients each quarter. If we can't add real value, we'll tell you in the first conversation.

Founded in 2007 · Mandates > 10 years · > 60% of our client portfolio · Audited by professional indemnity insurer

Speak with the partner

One way. You choose where to start.

Start wherever feels easiest — by message, by phone, or by booking a slot. In all three, the area partner replies directly. No escalation, no commitment. Indicative fees before any meeting.

We'll connect you with the right specialist automatically.

2How would you like to start?

· In-person at our office

Tell us your situation in as much detail as you like. The area partner replies by email within 24 working hours. Confidential under professional secrecy.

How we work

No surprises. No handoffs. No pressure.

What happens from the moment you hit "book" to having an actionable answer.

  1. 1

    Instant confirmation

    Email with calendar invite, location, Google Meet link, and a one-click reschedule option.

  2. 2

    A senior partner reviews your case

    Within 24 business hours. If you provided context, they arrive having read it — with specific questions ready.

  3. 3

    First meeting

    No script. The area specialist tells you what they would do, what they would avoid, and what they would prioritise.

  4. 4

    You decide

    If we move forward, a fixed written quote before we start. If not, you leave with a clear perspective. No pressure.

Who handles your case

Not the firm. A person.

When you book, the responsible area partner takes on your case directly. The same person who signs the opinion is the one who picks up the phone. No associate assignment, no intermediate team.

Tax practice

Responsible area partner

Tax audits, wealth planning, international taxation, non-residents, and crypto.

REAF · 22+ yrs · ES · EN · DE

Legal practice

Responsible area partner

Corporate law, M&A, due diligence, complex contracts, real estate, and high-value litigation.

ICAM · 18+ yrs · ES · EN

Operations practice

Responsible area partner

Fractional CFO, senior accounting, compliance, GDPR, and process architecture for scaling businesses.

Auditor · 15+ yrs · ES · EN

We introduce the responsible partner in the first conversation. Conflict-of-interest screening before accepting any case. Professional confidentiality from the first email.

Why clients choose us

Not Big 4. Not a high-street accountant.

Senior boutique — the independence and rigour of a large firm, without the machinery, without the handoffs, and without the structural overhead of paying for junior pyramids.

Large firm

Big 4 / national network

  • Partner in the pitch · associate on the work
  • Hourly rates with internal escalation
  • Extensive processes · high time-to-value
  • Frequent multi-client conflicts of interest
BM Consulting

Senior boutique

The partner who signs is the one who does the work

  • The area partner is your single point of contact
  • Fixed written quote before we start
  • 24 h to a first actionable response
  • Explicit conflict screening before accepting

Volume

General accountant / tax agent

  • Limited specialisation · process-driven
  • High volume · senior capacity spread thin
  • No capacity to defend at TEAC / High Court level
  • Low fees · limited scope

Not sure where your business stands? to find out.

Confidentiality · conflicts · fees

Before we speak, what you should know.

Three questions every boutique client asks, and that almost no firm answers in writing on their website.

What happens to the information I share?

Covered by professional confidentiality from the first email — before signing any engagement, before we accept the case. We do not retain sensitive data if we do not take on the matter. ICAM Art. 32 · REAF code of ethics.

How do you handle conflicts of interest?

Systematic conflict-of-interest screening before accepting any case. If we detect a conflict, we return your enquiry without retaining any information. Team segregation between offices for sensitive mandates.

How are your fees structured?

Fixed written quote before we start. No contingency fees in tax matters. No mandatory monthly retainers. Indicative fees at /en/fees/ before the first meeting.

A question that isn't here? — professional confidentiality from the first email.

Prefer to meet in person?

We receive you in 15 cities.

Spain, Andorra, and Gibraltar. By appointment only, so the area specialist can see you. We confirm the slot within 24 h.

Centre

1 office

BMC Madrid Office

Head office By appointment only

C/ Castello 36, Planta 1, 28001 Madrid

Strategic advisoryMergers & acquisitionsTax planningInternational tax
More info

Catalonia & Levante

4 offices

Andalusia

2 offices

BMC Marbella Office

By appointment only

Av. Ricardo Soriano 5, 29601 Marbella

Beckham Law (IRPF expat regime)Non-resident tax (IRNR)Luxury real estate lawDigital nomad visa
More info

Canary Islands & Balearics

1 office

BMC Las Palmas Office

By appointment only

C/ Perdomo 5, 35002 Las Palmas de Gran Canaria

ZEC regime (4% corporate tax)Canary Islands REF / RICDigital nomad visaStartup formation
More info

Andorra · Gibraltar · Ceuta · Melilla

1 office

BMC Gibraltar

By appointment only

Representation space — by appointment

Spain-Gibraltar international taxCross-border corporate structuringAML complianceTax residency and wealth planning
More info

This is a request, not an instant confirmation — we'll get back to you within 24 h with the nearest available slot. If you prefer online, book via Google Meet above.

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