Financial Accountant

Role Summary

• Responsibilities : As a Financial Accountant at Costello Medical, you will play a key role in enhancing our financial reporting and accounting processes (playing a leading key role in US accounting) to support the ongoing growth and development of our Finance team
• Salary : From £50,000 per annum, depending on your qualifications and previous experience. Candidates with post-qualification working experience may be offered a higher salary
• Benefits : Discretionary profit share bonuses paid twice per year, hybrid and flexible working options, generous holiday allowance, private medical insurance, critical illness cover, income protection, full funding for external training, and more
• Role Type : Permanent role, offered on a full-time or part-time basis (minimum 30 hours per week)
• Start Date : We are currently recruiting for start dates throughout 2027 which occur on a monthly basis. You will be asked to state your availability on your application form
• Application Deadlines : Whilst there are no set application deadlines, we strongly recommend applying as early as possible as the role will close when a suitable candidate is found
• Location : This role is available in our Global Headquarters in Cambridge

About the Role

As a Financial Accountant at Costello Medical, you will play a key role in shaping and managing the accounting and tax landscape for our rapidly growing US and Canadian entities in Boston and Vancouver, whilst also supporting accounting across the rest of the group (UK, Singapore, China, Australia). This is a high-impact, internationally focused role where you will take ownership of US financial accounting while also contributing to global controllership and process improvements. The role blends technical accounting, tax awareness, and process improvement, with the opportunity to shape the role as the company grows.

Key responsibilities will include:

• Own the US accounting function, including month-end close, group audit support, US tax reporting, and other relevant US-wide filings
• Manage sub-group consolidations and ensure accurate, timely reporting across US and other entities within the group
• Oversee US tax activities, including estimated payments and coordination with external tax advisers for tax return preparation and compliance
• Contributing to cash flow forecasting, financial planning and risk analysis
• Preparing balance sheet reconciliations, journal entries, prepayments, and accruals
• Ensuring proper intercompany accounting, reconciliations, and invoicing in a multinational context
• Maintaining accurate general ledger records and support multi-entity reporting
• Assist with year-end close, internal and external audits, and ongoing compliance activities
• Collaborate with global teams and external advisors to implement process improvements and change initiatives

Our standard working week is 37.5 hours, Monday to Friday, but we can also consider applications from those seeking a part-time arrangement of 30 hours/4 days per week.

About Costello Medical

Costello Medical is a rapidly growing independent global healthcare agency specialising in medical communications, market access, and health economic and outcomes research. We work with a wide range of clients, including the industry's most successful pharmaceutical and medical technology companies, patient and public health bodies, and charitable organisations. We have been listed in the Top 100 Best Companies to Work For list since 2017 and were proud to receive B Corporation accreditation in 2022. Learn more about us, our work, and our mission on our website:

About You

This position is designed for recently qualified or near-qualified accountants who are keen to develop in technical accounting, tax compliance and controllership activities, with potential for future line-management responsibilities.

We are seeking an enthusiastic, proactive, and ambitious individual who enjoys owning accounting processes, improving workflows, and working in a fast-paced, cross-functional environment. You should be comfortable taking on a varied role that intersects accounting, tax, and internal controls, with a mindset for continuous improvement. Whether you're moving from practice to industry or seeking to advance within the finance function, this role supports your professional development.

Essential requirements for the role are:

• Accounting qualification (ACA, ACCA, US CPA, or equivalent), either recently qualified or close to completing qualification
• Excellent numerical and analytical skills
• Strong communication skills, both written and verbal, with the ability to build robust and sustainable working relationships
• Exceptional organisational skills and meticulous attention to detail
• An ability to plan, prioritise, and manage multiple deadlines effectively
• An eagerness to master new systems and understand company processes
• Proficiency in Microsoft Office applications

Desired Requirements for this role are:

• Proven post-qualification working experience
• Understanding of US GAAP; familiarity with IFRS or other frameworks is a plus
• Knowledge or experience with US tax compliance and tax reporting
• External Audit experience (as auditor or in an audited environment)
• Experience in a multinational environment and working with foreign rules and entities
• Experience with change management and process improvement initiatives
• International experience (particularly Singapore, China, Australia or Canada) is advantageous
• Interest in and willingness to engage in broader tax and controllership activities

What we Offer

Alongside our award-winning company culture, where every team member is celebrated, respected, and has their voice heard, we are proud to offer a comprehensive benefits package that includes:

• A starting salary from £50,000 per annum, depending on your qualifications and previous experience, as well as a discretionary profit share bonus paid twice per year. Please note that candidates with working experience post-qualification may be offered a higher salary
• 25 days' annual leave plus bank and public holidays, as well as a holiday buy and sell scheme
• Flexible working hours and the chance to work from home for up to half of your working time after passing probation
• Flexible benefits scheme offering cash payments, additional pension contributions and more
• Private Medical Insurance which offers comprehensive cover on a "medical history disregard" basis
• Paid study leave and funding for external qualifications
• Critical Illness Cover, Income Protection and Life Assurance
• Paid and unpaid sabbaticals based on length of service

Learn more about our full reward package and the other benefits of working for Costello Medical:

Hybrid Working Policy: We believe that having face-to-face time in the office holds many benefits and is central to ensuring that the community we have created, where people have a workplace they belong to and feel part of, is never lost. At the same time, we recognise that homeworking can improve work life balance, reduce commuting times and costs, and provide the opportunity to juggle personal commitments.

Therefore, we offer flexible working arrangements that allow our colleagues who have passed probation to work from home for up to half their time, measured across a 2-week rolling period. During your probationary period (normally the first 6 months of the role), you will be able to work from home 1 day per week.

Visa Sponsorship

Due to the Skilled Worker visa regulations, you may be eligible for visa sponsorship if you meet at least one of the following criteria:

• You are classified as a New Entrant, which includes applicants under the age of 26, currently studying in the UK or a recent graduate in the UK, amongst other qualifying criteria. Please read more about the New Entrant criteria:

• You have a PhD in a STEM subject

• You have a PhD in a subject that is relevant to the Financial Accountant role

You will be asked to provide details of your right to work in the UK within your application, which will be used to help assess your eligibility for visa sponsorship.

Please check the following link to read more about the criteria on the UK government website: Please contact should you have any questions.

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