Business Support Administrator in Sidcup

Business Support Administrator – AffiniaJoin to apply for the Business Support Administrator role at Affinia .

Affinia is a UK Top 35 Accounting firm that supports clients with day‐to‐day Accounting, Audit and Tax planning, as well as strategic business advice, compliance, and specialist services such as Cloud Accounting, Payroll and Mergers & Acquisitions. With over 300 years of experience and more than 500 professionals across 15+ offices, we advise businesses, government and public sector organisations across seven principal practice groups.

Purpose Of The RoleAs a Business Support Administrator you will be part of a growing, successful team delivering high‐quality services to clients. You will support the work of the wider teams and represent Affinia to clients and partners during visits. The Business Support team undertakes client‐facing and chargeable administration tasks, requiring good communication and presentation skills and extensive use of Microsoft applications. You will receive full training on any specialised systems used.

AccountabilitiesThe role covers a wide range of day‐to‐day tasks that keep the business running smoothly. You\’ll manage client onboarding, prepare official documents, and handle submissions.

Electrical and manual client onboarding; letters of engagement; client portal administration; new company incorporations; allocation of client codes; and sending documents and client packs for electronic signature.

Full understanding of the \’lost client\’ process and creation of clearance packs for NLA clients.

Basic company secretarial work (e.g. AP01, share transfers), completion of CS01s, submission of accounts, and support for CT600s and other tax returns.

Support booking in and out of books and records; HMRC agent authorisations.

Act as an agent on the Admin Support ticketing system, responding to queries in line with SLA targets across all assigned queues.

Data cleanse work; support front‐of‐house team with monthly reminders; set‐up of Direct Debits; monitor monthly deadlines, manage deadline extensions; send out bulk mail merges.

Skills Required

Excellent telephone manner.

Strong communication skills, able to engage at all seniority levels.

Proficient with Microsoft applications.

Willingness to acquire new skills through on‐the‐job training.

Accurate typing skills.

Discretion, self‐motivation, anticipation of issues, and good judgement.

Experience in an accountancy practice desirable, but not essential.

Minimum five GCSEs at grade C (4) or above, including Maths and English.

Benefits

Opportunity to purchase 3 extra days holiday per year.

Professional membership support.

Paycare – claim money back for Dental, Optical and Professional Therapies.

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.

Equal Employment Opportunity StatementAffinia is committed to being an Equal Opportunity Employer. We do not tolerate discrimination based on age, disability, sex, race, religion, belief, gender reassignment, marriage or civil partnership, pregnancy, maternity, or sexual orientation. We welcome applications from a diverse range of candidates, and selection for roles is based solely on individual merit.

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