Accounts Assistant

Gallagher Bassett; Greater London; On-site; GBP 23,000 - 30,000; Full time

Benefits offered by this job

Competitive compensation

Comprehensive benefits programs

Career development opportunities

Collaborative, people-first culture

Global reach with local impact

Job summary

Gallagher Bassett is seeking an Accounts Assistant in Sidcup to support day-to-day accounting activities, including processing invoices and payments. The role offers a route from office-based work to hybrid pattern after probation, with a Monday–Friday 8:30am–4:00pm schedule and a 30-minute lunch break.

No relocation required; right to work in the UK is essential. You will gain exposure to a wide range of accounting processes, work within a supportive team, and develop your skills in a

Qualifications

• Previous accounts experience would be advantageous.
• Strong office or administrative experience with exposure to invoices, payments or financial processes.
• Good attention to detail and accuracy.
• Strong organisational skills and ability to manage workload effectively.
• Comfortable using computer systems and Microsoft Office applications.
• Analytical approach with the ability to identify and resolve issues.
• Able to work independently and as part of a team.
• Reliable, positive and willing to support colleagues when needed.
• Right to work in the UK required.

Responsibilities

• Check payments and ensure all information is accurate.
• Post invoices onto internal systems.
• Prepare bordereaux and validate information before processing.
• Use online banking systems to review accounts and process payments.
• Carry out reconciliations and investigate discrepancies.
• Respond to payment and invoice related queries.
• Support the wider Accounts team with general administrative tasks.
• Assist with ad hoc duties as required.

Skills

Accounts experience

Administrative experience

Attention to detail

Organisational skills

MS Office proficiency

Analytical thinking

Team player

Tools

Microsoft Office

Job description

Introduction

At Gallagher Bassett, we're there when it matters most because helping people through challenging moments is more than just our job, it's our purpose. Every day, we help clients navigate complexity, support recovery, and deliver outcomes that make a real difference in people's lives. It takes empathy, precision, and a strong sense of partnership—and that's exactly what you'll find here. We're a team of fast-paced fixers, empathetic experts, and outcomes drivers - people who care deeply about doing the right thing and doing it well. Whether you're managing claims, supporting clients, or improving processes, you'll play a vital role in helping businesses and individuals move forward with confidence. Here, you'll be supported by a culture that values teamwork, encourages curiosity, and celebrates the impact of your work. Because when you're here, you're part of something bigger. You're part of a team that shows up, stands together, and leads with purpose.

Overview

WK Webster is looking for an Accounts Assistant to join our team in Sidcup. This is a great opportunity for someone with some office or accounts experience who is looking to further develop their knowledge within a supportive and collaborative environment. Working as part of a friendly team, you'll support a variety of day to day accounting activities, helping to ensure payments, invoices and financial records are processed accurately. We're ideally looking for someone with previous accounts experience, but we'd also welcome applications from candidates with strong administrative experience who have worked with invoices, payments or other financial processes. This is a full time position working Monday to Friday, 8:30am to 4:00pm with a 30 minute lunch break. The first three months will be office based, with the opportunity to move to a hybrid working pattern of 3 days in the office and 2 days working from home following successful completion of probation. With recent internal progression creating opportunities within the team, this is an excellent time to join. You'll gain valuable exposure to a wide range of accounting processes, develop your skills further and become part of a well established business operating within a specialist sector.

How You'll Make An Impact

• Check payments and ensure all information is accurate
• Post invoices onto internal systems
• Prepare bordereaux and validate information before processing
• Use online banking systems to review accounts and process payments
• Carry out reconciliations and investigate any discrepancies
• Respond to payment and invoice related queries
• Support the wider Accounts team with general administrative tasks
• Assist with ad hoc duties as required

About You

• Previous accounts experience would be advantageous
• Alternatively, strong office or administrative experience with exposure to invoices, payments or financial processes
• Good attention to detail and accuracy
• Strong organisational skills and ability to manage workload effectively
• Comfortable using computer systems and Microsoft Office applications
• Analytical approach with the ability to identify and resolve issues
• Able to work independently and as part of a team
• Reliable, positive and willing to support colleagues when needed
• Right to work in the UK required

Compensation And Benefits

At Gallagher, we believe supporting our colleagues goes far beyond the role itself. For more information, visit our Benefits page.

• Competitive compensation
• Comprehensive benefits programs designed to support your well-being
• Career development opportunities and ongoing learning
• A collaborative, people-first culture with accessible leadership
• The opportunity to do meaningful work with global reach and local impact

At Gallagher, we are dedicated to building an inclusive and authentic workplace. If your past experience doesn't align perfectly, we encourage you to join our Talent Community to stay connected to additional career opportunities. Although this role is listed as full-time, if you're in a job-share partnership, work reduced hours, or have any other flexible arrangement, please still get in touch. We will also offer reasonable adjustments to the recruitment process if required, so please let us know.

Gallagher is an affirmative action/equal opportunity employer (Minorities/Females/Veterans/Disabled)