Your partner in planning, management, and international support.
Focused on foreign clients and clear communication.
Tax planning and process support.
Organized and always accessible documents.
Online or in-person meetings with quick responses.
Financial information to support decision-making.
At Studioworkers, we support clients in Portugal with a comprehensive approach: accounting, tax, tax planning, and guidance on matters that require rigor and clarity — including international taxation and the typical needs of foreigners residing or investing in Portugal.
We work with simple, practical, and transparent methods, ensuring deadlines are met and providing useful information for day-to-day decisions.
We prioritize proximity to the client: we provide digital archives, secure document sharing, and online or in-person meetings, according to your preference. Our goal is for you to have a partner who anticipates your needs, reduces risk, and simplifies financial management — with clear communication and continuous support.
Technical Director and Lead Accountant
Isabel leads StudioWorkers Accounting’s technical area and oversees the accuracy, compliance, and strategic direction of all client accounting and tax matters.
With more than 25 years of experience as a Certified Accountant in Portugal, she has worked with both multinational companies and local businesses, building strong expertise in accounting, tax, payroll, and financial operations.
At StudioWorkers Accounting, Isabel works closely with Portuguese and international clients, including foreign residents in Portugal, freelancers, remote workers, investors, and business owners who need reliable support with accounting, tax planning, compliance, and business setup.
Her experience also includes academic teaching in accounting and professional training, bringing a solid technical foundation and a practical approach to each client’s situation.
Isabel holds a PhD in Accounting, a Master’s Degree in Auditing, and specialized training in International Taxation. She is a Certified Accountant (Contabilista Certificada) in Portugal, registered under license #31808.
Residency, Special Regimes, and International Frameworks — A Reference Guide for Professionals and Investors
Are You a Portuguese Tax Resident?
You are considered a tax resident if you spend more than 183 days in Portugal within a 12-month period, or if you have a home indicating an intention to maintain it as a habitual residence.
Note: The Split Year rule applies. Residency status changes on the exact day of arrival/departure, but a safeguard rule may nullify partial residency if you were a resident in the previous year.
How basic taxation works.
Subject to progressive tax rates on worldwide income.
EU/EEA exceptions: Can opt to be taxed as residents if 90% of income is from PT, gaining access to deductions.
Non-Habitual Resident (RNH) Program
A 10-year regime for qualifying individuals.
2024 Transition: Closed for new applicants lacking prior criteria. Exceptions deadline of March 31, 2025, strictly for those who can prove intent (contracts/leases/visas) started before Dec 31, 2023.
For Returning Ex-Residents
A program to encourage former residents to return to Portugal.
Requires previous residency and absence in specific years. Cannot be combined with the NHR regime. Eligibility criteria varies by return year.
Double Taxation Treaties (CDTs)
Portugal follows the OECD model. Must submit Model 21-RFI to claim benefits.
Handling Dividends, Interest, and Capital
Real Estate: Full taxation rights belong to the source country (where the property is located).
The residence country will avoid double taxation by providing tax credits.
Organized accounting, monthly closures, and tax obligations with precise deadline tracking and clear reporting.
Micro-companies, SMEs, and StartupsTax support handling VAT, IRS, Social Security, and monthly documentation.
Independent professionals and consultantsSupport with IRS and organization of income/deductions, including validation and monitoring.
Families and residentsTax monitoring for short-term rentals: billing, expenses, and platform commissions.
AL owners and managersAccounting and tax obligations for foreign companies operating in PT. Closures, reporting, VAT.
International companies and groupsSupport for independent workers: tax framework, invoicing, VAT/IRS, and structure.
Consultants, contractors, and remote workersTax management for property income, rentals, or AL. Framework planning and deadline tracking.
Owners and investorsClear, transparent monthly packages plus unit pricing for ad-hoc requests.
VAT at the legal rate (23%) is added to all prices.
VAT-exempt profile (simplified regime, no VAT returns)
Quarterly VAT obligations
Quarterly VAT obligations (higher volume)
Monthly VAT + EU obligations (when applicable)
| Service | Frequency / Unit | Price () | Notes |
|---|---|---|---|
| Submission of Model 3 without attachments | Annual | 50 € | Basic IRS declaration |
| Submission of Model 3 (Cat. B) | Annual | 150 - 250 € | Varies by complexity/attachments |
| Preparation and Registration of E-Fatura | Per batch | 50 € | Up to 50 documents |
| Social security (NISS) communications | Per communication | 25 € | Declarations/updates |
| Annual IES declaration | Annual | 100 € | Mandatory for organized accounting |
| Open/Close/Change of Activity Start | Per event | 50 € | With Tax Authority |
| Process the IFIC request | Per request | 100 € | Preparation and Submission |
| Activity change Statement | Per request | 25 € | CAE, IBAN, IVA, etc |
| Processing the tax resident application | Per request | 100 € | One change request per entity |
Tell us what you need and we will reply within 1 business day.