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Sian

Bookkeeping Specialist | Xero Expert | Payroll, AP/AR & Accounts Management

About Me

I’m a results-driven bookkeeping specialist with proven experience managing end-to-end finance operations across accounts receivable, accounts payable, payroll, and reconciliations in fast-paced business environments. I bring strong hands-on expertise in Xero, alongside experience handling everything from invoicing and debt collection to full-cycle payroll and month-end processes. I’m confident working with large volumes of financial data, maintaining accuracy under pressure, and supporting leadership with clear, reliable financial information. I’ve also played a key role in improving processes, onboarding suppliers, and strengthening cash flow through proactive account management and effective client communication. Known for being organised, proactive, and highly detail-focused, I take ownership of my work and consistently deliver high-quality results. I’m now looking to contribute my skills in a role where I can add real value, support business growth, and continue building on my experience in finance operations.

Jurisdiction

Region: Europe

Notable Employer

  • Senior Assistant Financial Accountant at BAE Systems
  • Assistant Accountant (AP/AR Lead) at Sero Life
  • Assistant Accountant (AP/AR Lead) at Coffi Lab
  • Finance Assistant at New Law Solicitors

Experience

Seniority LevelAssociate
Years of Experience10-15 years
Current StatusActive
Senior Assistant Financial AccountantNotableBAE Systems
2024 - 2026

Own and maintain reconciliations across 22+ balance sheet accounts, ensuring accuracy and timely resolution of discrepancies. Deliver month-end close processes including journals, accruals, and prepayments within strict deadlines. Provide payroll support across multiple entities, assisting with payroll accounting and ensuring accuracy in financial reporting. Identify and resolve discrepancies through detailed reconciliation work. Collaborate cross-functionally to align financial and operational data, strengthen financial controls, and support accurate reporting in a fast-paced corporate environment

Assistant Accountant (AP/AR Lead)NotableSero Life
2022 - 2024

Owned end-to-end accounts payable and receivable processes, including invoicing, collections, payment runs, and reconciliations in a high-growth startup environment. Managed high-volume transactions (600+ invoices per month) and weekly payment runs. Led credit control activities, proactively contacting clients and tracking outstanding debt to improve cash flow visibility. Supported payroll processes, including submitting hours to external providers and posting payroll journals. Performed daily bank reconciliations and maintained accurate financial records across multiple entities. Completed supplier onboarding and introduced process improvements to increase efficiency and reduce manual work.

Assistant Accountant (AP/AR Lead)NotableCoffi Lab
2021 - 2022

Managed full responsibility for accounts payable and receivable, including invoice processing, payment management, and collections. Handled full-cycle payroll, ensuring accurate and timely processing. Maintained financial records using Xero within a rapidly growing multi-site business. Performed bank reconciliations and supported reporting and operational finance tasks. Managed supplier onboarding and maintained vendor records. Improved structure and organisation of finance processes during a period of rapid growth

Finance AssistantNotableNew Law Solicitors
2020 - 2021

Processed high-volume financial transactions while maintaining accurate and compliant records within a regulated environment. Managed supplier payments, reconciliations, and billing support. Worked closely with internal teams to support day-to-day finance operations. Developed strong attention to detail and compliance awareness while supporting wider finance functions.

Education

Diploma of Business Coleg glan hafren
2016 - 2018

Certification

Total Certifications1

AAT Level 2

AAT

2023

Skills

Core skills0
Languages1

Languages

English