Adriana da Costa.
Independent tax advisory

Tax structuring and advisory for crypto investors and businesses.

Ex-Big Four background. Two years in independent practice. Fluent in crypto, by practice. Featured on Bitalk and Dividendos Portugal.

Book a discovery call → Email me your situation
About

Adriana da Costa.

Independent tax advisor with a legal background. Head of Finance at Chary. Ex-Big Four. Two years in independent practice.

Adriana da Costa, half-body portrait

Adriana, Lisbon

How I work, a short note.

01

I craft advice specific to your case, never from a template.

02

My advice always includes a practical solution.

03

Honest about fit.

If your case sits outside my area, I'll point you to someone better suited.

Adriana

Read more about my career

Book a discovery call →
On air
BitalkAdriana da CostaThink Conference 2026Adriana da CostaDividendos PortugalAdriana da Costa BitalkAdriana da CostaThink Conference 2026Adriana da CostaDividendos PortugalAdriana da Costa
On air

On air.

Conversations on Portuguese taxation, crypto, and cross-border practice, on podcasts, on video, and on stage. More to come...

Bitalk podcast with Adriana da Costa
01 · Bitalk
Watch on YouTube
Think Conference 2026 Adriana da Costa, oradora na Think Conference 2026
02 · Think Conf. 26
See speaker profile
Dividendos Portugal podcast with Adriana da Costa
03 · Dividendos
Watch on YouTube

01 / 03
Who I work with

If any of this is your situation.

The specific cases I take on. Watch the manifest beside me, or click a case to open it.

Ex-Big Four Independent Crypto-native Cross-border

If you are the person who…

holds crypto across many wallets, and needs a defensible filing.

is planning a move, and wants the tax side mapped before the move.

runs a company selling across the EU, and wants the VAT side uncomplicated.

has a situation that doesn't fit a category, and wants an honest read.

Book a discovery call

Every month I turn down clients I would have liked to work with.

If your situation is here, book the call before I close the book for the quarter.

Book a discovery call →
Adriana da Costa, direct portrait

I will not be everyone's advisor.
I would like to be yours.

How we can work together

From first call to delivered plan.

Four steps. Fixed scope, fixed price, written deliverable.

01
02
03
04
Step 01

Discovery call

15 minutes by video. You sketch the situation, I tell you whether I am the right fit, which regime likely applies, and what an engagement would look like. No prep, no sales pitch.

Step 02

Written proposal

Within 48 hours of the call. Fixed scope, fixed price, written deliverable at the end. No obligation to continue.

Step 03

Kickoff

30% deposit. Work on your case begins the same week, following the agreed scope.

Step 04

Delivery

  • Written deliverable, sent in advance
  • 60-minute review call to walk through it together
  • Implementation steps and next moves included
Typical engagement 1 to 2 weeks from kickoff to delivery.
See engagement types and starting prices →
Dubai

From December 2026.

Lisbon stays at full capacity. Dubai adds a base for cross-border cases. Be the first to know when bookings open.

Ready to start?

Book a free 15-minute discovery call. Or send your situation by email and get a written response back.

Book a discovery call → finance@adricosta.com