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    Get in touch

    About us

    EFF believes in your business without borders

    EFF is a team of over 130 specialists who for 20 years have been offering professional accounting and tax services, as well as complete bookkeeping on international scale. We comprise a team of unique people with long experience and unmatched dedication to our work.

    People at EFF

    Meet our team

    As experts in our field, we are able to provide you with support in the development of your business. We offer professional bookkeeping and tax services, as well as complete international bookkeeping.

    Choose our experience

    We started our business in 2005. We handle VAT settlements and offer comprehensive bookkeeping services on international scale. We guarantee substantial assistance with various aspects of VAT during the entire business life cycle (as we have the knowledge of tax regulations in different countries and speak 15 languages, among others).

    EFF & our clients

    Success stories that inspire

    Find out more about our client stories.
    Our client stories
    Haldex China case study 
    Read more
    Facts & figures
    132
    Specialised employees
    Facts & figures
    15
    Languages spoken
    Facts & figures
    500+
    Satisfied clients
    Our client stories
    Thule Poland case study 
    Read more

    We will help you at every stage of your business development

    We can guarantee personalized, professional and comprehensive service..
    All of our specialists improve their competences regularly by participating in additional training, seminars and language courses.
    Contact with contractors and tax authorities in different countries is established in their local languages. Proper understanding of local regulations, language and culture is vital for ensuring success in the complex field that is international taxation, bookkeeping or sustainability.
    Find out more about our services
    +12
    Different nationalities in one company

    Values & vision

    Discover our identity

    Our identity is based on the Swedish work culture.
    We always strive for mastery in everything we do. We approach every task with passion and commitment.
    We focus on building long-term relationships based on respect, trust, commitment and sensitivity to the needs of others.
    We can see the potential in every situation and use it for the benefit of our customers. We're not afraid to think outside the box in searching for effective, future-proof solutions.
    Continuous improvement of our services and processes is crucial. We persistently develop our competences.

    We believe in business without borders

    EFF’s vision is a Business World without Borders, where companies can reach new markets and customers without being hindered by geographical or other constraints. With EFF's expertise and experience, our clients are able to navigate and overcome cost, legal, technical, and organizational challenges.

    Certificates & awards

    Don't just take our word for it!

    We are backed not only by years of experience and positive customer feedback, but also by a number of certificates, awards and accreditations as well as associations we’re a part of.
    ISO 9001
    ISO 9001 is an international standard that specifies the requirements for an organisation's quality management system.
    Bezpieczna firma
    An award from the Polish Entrepreneurship Agency for providing a high level of service in business.
    Sandinavian-Polish Chamber of Commerce
    A business association founded by and for entrepreneurs connected to Scandinavia.
    ACCA Approved Employer
    We meet ACCA's high standards for staff professional development and career support for accountants.
    AP Association
    Thanks to the AP Association we have access to education, community and networking to support the needs of your business.

    Testmonials from our clients

    Real stories, real results

    Read authentic reviews and testimonials from our satisfied clients.
    Work with us
    We have the pleasure to work with EFF within VAT Compliance services, which we can honestly recommend for any company seeking a professional support in tax related problems or similar. We can always count on their reliable advice and prompt answers to all of our questions. Duni EFF experts’ big commitment and individual approach to a client cannot go unnoticed. Their high competence and vast professional knowledge ensure all our needs are met and it facilitates efficient cooperation.
    Małgorzata Łysio, Administration Specialist
    I would strongly recommend the services of EFF. We have transferred a large part of our AP processes to EFF. The transfer was very efficient and unbureaucratic. The employees of EFF are very ambitious, focused and it is a pleasure to work with them. Thus we were able to increase the reliability and quality of our AP with the same number of employees. Through the competence and experience of EFF, at a good value for money, we can concentrate better on our main business.
    Jorg Schulz, Sales Director
    We at Euroflorist are very pleased with EFF's high competence and ability to adapt to our changing needs.
    Per Gränse, CFO, Euroflorist
    EFF are tax professionals in the European Union. In cooperation with them, I especially appreciate the individual approach to each case. In international sales, there are often non-standard situations, from which they always find a way out. Their experts have extensive knowledge and provide it in a very accessible way. Duni EFF is a proven, reliable partner in business.
    Miłosz Wójcik, Chief Product Officer Nethansa
    Across the years of working with EFF, we developed a fantastic professional relationship. Their services to us included AR and AP and I have to say, nothing was ever too much or too little for them to help us with. They were very efficient and knowledgeable, you could say I learned a thing or two from them! It was a pleasure to work with them.
    Sophie Thompson, Payroll Specialist, Cloetta UK
    We are happy to recommend EFF company thanks to our successful cooperation so far. High quality of performed services, high availability and a wide scope of their offer are of a great value. Their trustworthiness is based on professional business service and efficient communication with a client.
    Agnieszka Strycharz, Chief Accountant, Monolith Group
    For years, EFF has been our trusted partner in supporting businesses across the EU and in the UK with international accounting. As our official and long-term collaborator, they deliver exceptional service and a professional approach to every challenge. Through our partnership, we've helped hundreds of businesses take their operations to the next level.
    SN Accounts Team
    We greatly value our partnership with EFF. We have worked with them for quite some time; the cooperation has always been smooth and their services consistently meet the highest standards.
    Angelika Wielgus-Lach, Event Coordinator Setup.pl
    EFF is a young and dynamic team of professionals delivering services of the highest standard. They always respond quickly, providing thorough answers to any questions. Working with them guarantees quality and flexibility – they adapt perfectly to the individual needs of the client. Thanks to their support in areas like accounts, SAP Concur, and process development for new business directions, we can operate smoothly and efficiently. Such quality is truly rare!
    Agnieszka Idziak, Communication&Training Manager Duni Poland
    Working with EFF has been a great experience. They are professionals in their field; their skilled and friendly employees consistently meet our strict deadlines with the integrity we require as a global company. EFF quickly took over our financial administration, ensuring accurate and timely reporting while providing clear and insightful advice for our daily operations. As part of a large international corporation with high standards, we are confident that choosing EFF as our financial partner was the right decision. We highly recommend them for all financial and fiscal services.
    Robert ten Berge, Stertil Group Controller

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