Junior Finance Assistant – Bookkeeping, Flexible Hours, AAT

PSTAX; Greater London; On-site; GBP 21,000 - 32,000; Full time

Benefits offered by this job

AAT study support

Flexible hours

SalSac Pension Scheme

Tusker Car Scheme

Private Medical Care

Home Electronics SalSac Scheme

Holiday Buy/Sell scheme

Access to group training portal

Quiet office location with freeparking

Christmas Leave

Job summary

PSTAX in Erith, near London, seeks a junior Bookkeeper to join the small finance team. The role offers hands‑on experience across billing, supplier accounts and general finance admin, with strong training and support for progressing toward AAT. You’ll gain exposure to routine tasks while developing accurate data entry and organisation skills.

We value detail, reliability and clear communication. The position is full-time in a friendly office, with training provided and opportunities to learn on

Qualifications

• Must be organised, accurate and detail‑oriented.
• Comfortable with repetitive data entry and routine finance tasks.
• Training will be provided; studying towards AAT encouraged.
• No prior finance experience required.

Responsibilities

• Billing & Invoicing: Prepare and send customer invoices in line with monthly billing cycles, ensuring accuracy and timeliness.
• Purchase Order (PO) Management: Record and track purchase orders against client and internal requirements.
• Supplier Invoice Management: Accurately input and process supplier invoices, following company approval procedures.
• Staff Expenses: Process staff expense submissions, checking receipts and coding, plus occasional travel bookings (flights and hotels).
• Customer Communication: Respond to routine billing queries in a friendly, professional way.
• Month-End Support: Help with billing reconciliations and reporting tasks at month-end.
• Financial Records: Maintain accurate, well-organised financial records.
• Process Notes: Keep clear notes on how day‑to‑day tasks are done, to help you and the team stay consistent.
• Team Cover: Provide occasional cover for colleagues during leave.

Skills

Attention to detail

Organization

Communication

Learner

Excel familiarity

Education

Studying towards AAT

Tools

Excel

Job description

PSTAX in Erith, near London, seeks a junior Bookkeeper to join the small finance team. The role offers hands‑on experience across billing, supplier accounts and general finance admin, with strong training and support for progressing toward AAT. You’ll gain exposure to routine tasks while developing accurate data entry and organisation skills.

We value detail, reliability and clear communication. The position is full-time in a friendly office, with training provided and opportunities to learn on