Junior U.S. Tax Consultant
Marsh McLennan • Full Time
Posted on Wed, Jul 22, 2026
Company: Marsh Description: Marsh is seeking candidates for the following position based in the Warsaw office. Junior U.S. Tax Consultant What can you expect? An exciting opportunity has arisen for a Junior Tax Consultant to join the Tax Operations team at a transformational time in both the business and the global tax landscape. The successful candidate will be based in Marsh McLennan’s Warsaw Tax Team and will be involved in supporting the U.S. and global tax compliance and operations. You will also have the chance to influence and help effect systems and process changes. You’ll be an integral part of the global Tax department and will work closely with other stakeholders. We will count on you to: Prepare U.S. information tax returns for non-US entities (U.S. Forms 5471, 8858, 8865) as well as state and local tax returns, estimated tax calculations, and related payment requisitions Assist in preparing the U.S. consolidated tax return, including reporting on non-U.S. branches of U.S. corporations Assist in the preparation of the consolidated U.S. GAAP based tax provision, including preparing consolidating workpapers and support for book tax entries. Act as a tax liaison between different stakeholders within the company as well as third parties Help to maintain records of group attributes, such as group loss relief and corporate interest restriction for UK return purposes; Provide support, as required, with calculating tax true-ups (‘return to provision’ adjustments) to ensure that tax balances held in the primary US GAAP ledger are accurate Maintain awareness of current and proposed U.S. and UK tax legislation and case law that would impact compliance and reporting activities; What you need to have: 1-3 years in finance or accounting performing corporate tax compliance and provisioning activities OR be a recent graduate in accounting / finance / similar discipline. Be a fluent English speaker (written and oral) Effective communication skills and ability to deal with various stakeholders; Ability to work independently and collaboratively; What makes you stand out: Experience with US GAAP reporting and tax accounting (ASC 740) desirable Strong technical skills and ability/desire to develop proficiency in multiple areas of taxation. Knowledge of withholding tax process. Why join our team: We help you be your best through professional development opportunities, interesting work and supportive leaders. We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities. Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being. Work in a people-oriented team with dynamic colleagues and leaders who are committed to exceeding the high standards set by our clients and by ourselves Competitive salary based on employment contract Attractive benefits package (including private health care, sports card, life insurance, lunch card, free access to LinkedIn learning platform, language courses refund) A-class office building facilities near to Rondo Daszynskiego metro station #hybrid If you are interested, please send your resume in English. Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit corporate.marsh.com, or follow us on LinkedIn and X. Marsh is committed to creating a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law. Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.
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