My name is Magdalena Siejak and accounting has been part of my life for over 20 years.
For me, it is not simply a profession, it is responsibility, precision and a real impact on the financial security of the businesses that place their trust in me.
I began my professional journey within international corporate structures, providing comprehensive accounting services to companies operating across multiple currencies and financial systems.

That experience taught me discipline, accuracy and the importance of taking responsibility for every detail.
Over time, I progressed from task execution to process management, and today I support entrepreneurs as the owner of my own accounting practice in
the United Kingdom.
On a daily basis, I work with LTD companies and business owners who expect not only properly maintained accounts, but above all peace of mind and a genuine sense of financial security.
I prepare Annual Accounts, VAT returns, Corporation Tax returns, Payroll and CIS submissions, ensuring full compliance with HMRC and Companies House requirements.
However, my role does not end with documentation. I help my clients understand their numbers, make informed decisions and look at their company’s finances from a broader perspective. I understand that running a business in the UK comes with pressure, responsibility and constantly evolving regulations.
That is why I prioritise clear communication, reliability and a personalised approach.
Behind every company stands a person, their ambition, hard work and often years of dedication. I respect that and treat it with the attention it truly deserves.
I combine corporate experience with the practical mindset of a business owner. I understand the system, I understand the numbers but most importantly, I understand the people behind them.
Privately, I value freedom and open space. Sailing has taught me humility in changing conditions and the ability to make decisions quickly, while riding a motorcycle gives me a sense of independence and focus. I bring these same qualities into my work, calmness, foresight and readiness for change.
My home is filled with the energy of three huskies and two adopted cats.
They remind me every day of responsibility, loyalty and care, values that are equally important in my professional relationships.
If you are looking for an accountant who will not only manage your company’s finances but also become a genuine source of support and a partner in your business growth, you are in the right place.
And if you are looking for a qualified accountant in your area, don't
hesitate to contact us!
What our clients say about working with us
The best accounting firm in the world. Very professional customer service. I recommend them to everyone. You certainly won't be disappointed using their services.
Emil J.
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I wholeheartedly recommend B&M Accounting. This accounting firm is distinguished by its professionalism, reliability, and personalized approach to each client.
OPC SPORT
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I'm pleased to recommend this accounting firm, whose services I've been using for a long time. Professionalism, reliability, and a personalized approach to each client are the hallmarks of this firm. Their accountants are not only thoroughly versed in current legal regulations but also offer advice on tax and financial matters.
Krystian S.
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