Finance Assistant
A growing startup seeks an Accounts Assistant with 1-3 years' experience for AP, reconciliations, and month-end tasks. Requires Xero/Sage skills, offering hybrid work and study support.
We usually respond within a week
About the role
We’re looking for an Finance Assistant to support the day-to-day running of the finance function in a growing startup. This is a hands-on role, ideal for someone who enjoys variety and wants to develop their skills in a fast-paced environment.
Key responsibilities
Processing purchase invoices (AP) and ensuring timely approvals
Managing supplier payments and weekly payment runs
Posting and reconciliation of credit cards and expenses
Supporting bank reconciliations and monitoring cash flow
Assisting with month-end processes (accruals, prepayments, journals)
Maintaining accurate records in the finance system currently xero but transitioning to Sage Intacct
Supporting expenses processing and payroll admin (if required)
Helping improve finance processes as the business scales
What we’re looking for
1–3 years’ experience in a similar Accounts Assistant / Finance Assistant role
Good understanding of AP/AR processes
Strong attention to detail and organisation skills
Comfortable using Excel and accounting software (e.g. Xero, Sage)
Proactive, reliable, and willing to get stuck in
Studying AAT (or interested in starting) is a plus
What you’ll get
Opportunity to grow with the business and take on more responsibility
Exposure to a broad range of finance activities
Comprehensive benefits package
Support with training / AAT (if relevant)
Flexible / hybrid working
Nice to have (not essential)
Startup or SME experience
Experience supporting audits or month-end close
Exposure to VAT returns
- Team
- Finance
- Role
- Finance assistant
- Locations
- London
- Remote status
- Hybrid
Strictly NO agencies!
Any CVs submitted by agencies that we have not instructed will be considered as gifts.
About Portal Biotech
Founded by DNA-sequencing veterans, Portal Biotech is developing the first bench-top single-molecule protein sequencer, leveraging machine-learning algorithms and building on decades of in-house expertise in nanopore technology. By analysing full-length protein molecules at the single-molecule level, our platform delivers rapid, real-time information on protein identity, abundance, and structure. Those insights open frontiers in drug discovery, diagnostics, and fundamental research, helping scientists and clinicians to better understand human health and disease.