Senior Accounting Analyst

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.

How you'll make an impact

We are seeking a highly skilled and motivated individual to join the Gallagher-Bassett (GB) Ancillary & Support Billing team. The Senior Financial Analyst will report to the Manager - Ancillary & Support and play a key role in supporting billing operations related to acquisitions and Canadian business. The responsibilities outlined below reflect this role's emphasis on analytical support, cross‑functional coordination, and continuous improvement within a growing and evolving billing environment.

The Gallagher-Bassett Billing team is responsible for delivering accurate, reliable, and efficient billing solutions that support organizational performance and a strong client experience. The team is structured into three primary areas-Core Standard, Core Non‑Standard, and Ancillary & Support-which together provide comprehensive coverage across routine billing activities, complex and customized billing scenarios, and specialized functions that enable and sustain billing operations.

Success in this role is grounded in close collaboration with key partners, including other Finance teams, Client Services, and IT. Through strong cross‑functional partnerships, thoughtful use of technology, and streamlined processes, the GB Billing team drives operational excellence, scalability, and continuous improvement. This integrated approach supports sustainable growth and ensures consistent, high‑quality outcomes that deliver lasting value to both clients and internal stakeholders.

Responsibilities:

* Serve as a billing subject‑matter expert for Ancillary & Support processes, with a primary focus on acquisitions and Canadian billing operations, ensuring accuracy and alignment with organizational standards.

* Perform advanced billing analysis, investigating variances, resolving complex issues, and recommending process improvements to reduce rework and operational risk.

* Collaborate closely with Finance, Client Services, and IT to support billing process and system changes.

* Own and maintain ancillary billing procedures, controls, and documentation, contributing to SOP development.

* Support month‑end and ongoing operational and financial reporting working closely with the Revenue Accounting and A/R teams.

* Identify and drive continuous improvement initiatives that enhance efficiency, scalability, and service quality, leveraging automation and standardized processes where possible.

About You

Required:

* Bachelor's degree and 4 years related experience required.

* Strong excel and financial management software skills are essential.

Preferred:

* 3-5 years related experience.

* Advanced Excel proficiency, including strong working knowledge of formulas, pivot tables, lookups, data validation, and reconciliation techniques and the ability to compile and analyze complex data.

* Experience in the Insurance Industry and/or with Third Party Service Administrators.

* Project management experience.

* Experience working with billing systems, financial reporting tools, or ERP platforms, with the ability to adapt quickly to new systems and processes.

* Strong critical thinking and problem‑solving skills, with the ability to evaluate complex billing scenarios,…