Affinia
Tax Senior - Corporate Team

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Affinia is the UK’s largest purpose-led, purpose-built Accountancy firm, focused on building stronger, more valuable relationships. With over 1600 colleagues across the East, South East, London and the Midlands, we are dedicated to supporting our clients, colleagues and communities.
We advise businesses, public sector organisations, charities and individuals throughout the UK and internationally across six Service Lines - Accountancy & Advisory, Tax and Planning, Audit & Assurance, Corporate Finance, Payroll and Corporate Recovery. Our team also offer in-depth sector expertise across a number of sectors, ensuring our clients receive the best short to medium and long-term advice, tailored to them. We are committed to delivering excellence in every aspect of our work, adapting to the evolving technology and regulatory landscape while consistently exceeding client expectations.
Our people are our most valuable asset. We are therefore committed to supporting our colleagues throughout their professional development, providing guidance and training at whatever stage of their career they join us.
Real people.
Real growth. Real difference.
The Role
The role can be based from any of our East Anglia offices including Chelmsford, Colchester, Halstead, Harlow, Ipswich and / or Leigh on Sea.
In joining Affinia, you will be part of a growing, successful, forward thinking and dynamic tax department. As a Senior, this role is about solidifying core technical expertise in your relevant field and applying it consistently to your work. We want to see you take more ownership of client work and begin contributing to team development and business growth. This role is a crucial stepping stone, where you consolidate technical skills while beginning to stretch into client and team leadership. Excellent teamwork and communication skills are essential. The role requires an experienced individual of Corporate and or Mixed Tax compliance processes and workflow. However, there is also ample opportunity to get involved in high-value advisory work for a varied portfolio of individuals. We operate a hybrid working model, so you will split your time between the office, client sites when required, and from home when you are able.
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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
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Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
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Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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If completing your professional qualifications, we will of course support you in this regard and would anticipate that you be able to finalise your charted qualifications (i.e. CTA). We provide ongoing training to develop your ‘soft’ skills e.g. coaching and leadership, as well as access to Croner-i’s CPD and technical library and some elements of Mercia.
Key Tasks And Responsibilities
- Assisting with large portfolio of corporate entities, ranging from owner-manage businesses to large groups.
- Supporting the Tax Team with the team’s compliance cycle, assisting with the preparation of documents, advising clients directly of their tax positions and submission to HMRC.
- Assist with relevant advisory and project work.
- Provide high quality services to clients, ensuring accuracy and timeliness.
- Contribute to the team's objectives by sharing knowledge and ideas.
- Participate in client meetings to understand their tax needs and support senior staff with solutions.
- Work collaboratively with other departments to ensure client satisfaction.
- Identify opportunities for tax planning and communicate them to the management team.
- Participate in professional development activities to enhance tax knowledge and awareness of tax legislation.
- Engaging in business development, promoting Affinia and its services to both existing and potential clients. The level of your involvement in business development will be bespoke to you in your personal development plan.
Professional Skills/qualifications
- Qualified (ATT) or close to qualifying.
- Excellent communication skills at all levels including a wide range of stakeholders within the business.
- Proficiency in tax software and Microsoft Office Suite.
- Strong analytical skills and attention to detail.
- Ability to work effectively in a team and independently.
- Excellent communication skills.
- Strong core knowledge of tax laws and regulations.
Benefits And Culture
At Affinia, our culture is driven by ambition and a commitment to positively impact all the communities we serve. We are dedicated to the success, development, and wellbeing of our colleagues, helping them achieve their goals and seize the opportunities that come with our growth. Alongside a flexible and inclusive work environment, we offer the following core benefits:


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- 22 days holiday (FTE) plus Bank Holidays (Sept-Aug)
- Ability to purchase 3 additional days annual leave per year
- Auto enrolment Pension Scheme with True Potential
- Death in Service
- Full study support including tuition fees and paid study days
- Professional membership support
- Paycare – claim money back for Dental / Optical / Professional Therapies
- Agile/Hybrid Working Policy
- Dress for your Diary Policy
Please note that this job profile is not an exhaustive list of duties but merely an outline of the key components of the role. You may be required by your line manager to take on additional responsibilities when requested.
Affinia is a flexible business which has embraced a hybrid working model where our colleagues enjoy a mix of home and office working. We welcome applications from people looking for flexible and agile roles and we are happy to explore you preferred working patterns as part of your application.
Affinia is committed to being an Equal Opportunity Employer. Our policy is unequivocal: we do not tolerate discrimination based on age, disability, sex, race, religion, or belief, gender reassignment, marriage or civil partnership, pregnancy, or maternity, or sexual orientation. We pride ourselves on being an inclusive organisation that actively promotes equality of opportunity for all, valuing the right mix of talent, skills, and potential. We welcome applications from a diverse range of candidates, and selection for roles is based solely on individual merit.
Recruitment Privacy Notice
Affinia will use the personal data you provide for recruitment purposes, including assessing suitability, communicating with you, arranging interviews, and completing pre-employment checks. Our lawful bases include contractual necessity, legal obligations, and our legitimate interests in managing recruitment.
For full details on how we handle personal data, please see our Privacy Policy: https://www.affinia.co.uk/privacy-policy/
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