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Accounting services for companies

Aider Poland is much more than an Accounting Office

Today’s finance department is no longer just a reporting and billing center — it is a strategic partner supporting business growth, compliance and operational stability.


Modern companies expect more than transactional accounting. They need reliable real-time financial data, process efficiency and expert support that helps them make better business decisions in an increasingly complex regulatory environment.


Our accounting services in Poland are designed for both international companies operating in Poland and Polish businesses looking for a modern, scalable finance partner. As part of Aider Polska (formerly MDDP Outsourcing), we combine local expertise with international standards to deliver high-quality bookkeeping services in Poland, payroll, reporting and compliance support tailored to companies of different sizes and industries.


By outsourcing accounting and bookkeeping processes to Aider Polska, businesses gain access to experienced specialists, technology-driven processes and a trusted partner that helps reduce risk, improve efficiency and support long-term growth.

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How do we support our customers?

We help companies modernize finance - from an operational function to a strategic resource, using smart technology and accounting systems and mature operating models.

Accounting for companies from Aider Poland - what makes us stand out in the market?

We have almost 20 years of experience in providing accounting services to hundreds of companies, from almost every industry - from domestic entrepreneurs to multinational corporations and capital groups. Due to the modern solutions for which we are famous in the industry, as well as the exceptional flexibility and adaptability of our offer, our services have already been chosen by more than 300 brands betting on quality and measurable results of cooperation.
Multi-level support with technology has been our priority since the beginning of our development. Thanks to this, our clients, as they grow, can benefit from more and more modern, scalable systems and solutions. We are distinguished by in-depth knowledge of leading accounting systems (e.g. SAP, Microsoft Dynamics, Comarch ERP, Symfonia) and expertise in system integration (e.g. Webcon, Saldeo). We can successfully work on clients' systems or our own.
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What makes it worth working with Aider Poland?

  • 20 years

    experiences

  • 10 billions zł

    total assets of our clients

  • 300

    number of professionals in our team

  • 95 million VAT

    the value of tax recovered annually

  • 3500

    payrolls prepared during the year

  • 40000

    number of documents processed per month

External accounting for companies - what challenges does it answer?

Running a business is a constant challenge - especially in the areas of finance and accounting. Do any of the following difficulties sound familiar? If so, MDDP Outsourcing's corporate accounting services are the perfect answer!

Professional support for your business

We also offer complementary services related to the day-to-day functioning of the accounting department, headed by HR and payroll services, as well as tax and legal consulting, carried out in cooperation with brands from our family - MDDP and Osborne Clarke. All this is done so that clients entrusting their finances to us can be sure that they will receive comprehensive - and thus effective - support, providing tangible benefits.
We invite you to contact our experts in our offices in Warsaw and Katowice, from where we provide accounting services for companies throughout Poland - both outsourcing accounting on the client's system and on our own, also offering support in implementing a financial and accounting system. We invite you to cooperate with us!
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