Major & Complex Loss Adjuster

Arthur J. Gallagher & Co. (AJG); Greater London; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Competitive compensation

Comprehensive benefits programs

Career development opportunities

Job summary

Gallagher Bassett is seeking a Senior Major and Complex Loss Adjuster to manage high‑value property claims across commercial, domestic, construction and related sectors in the UK. You’ll report to the Head of Major and Complex Loss and deliver technical expertise, client engagement and premium service.

ACILA qualification is highly desirable, but candidates with significant experience can be considered while progressing towards accreditation.

Qualifications

• Extensive experience in handling major and complex property claims.
• ACILA qualification is highly desirable but not mandatory.
• Proven ability to build trust with clients, brokers and stakeholders.

Responsibilities

• Manage a diverse portfolio of major and complex property claims from instruction to settlement.
• Oversee claims across commercial, domestic, construction, and other property sectors.
• Ensure alignment with service standards and KPIs, with high-quality reporting.
• Provide technical guidance and mentorship to junior team members.
• Support business development through tenders and client interactions.
• Stay informed on industry trends and regulatory changes to drive best practices.

Skills

Major property claims

Client engagement

ACILA desirable

Communication skills

Negotiation skills

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

We’re looking for an experienced and skilled Senior Major and Complex Loss Adjuster to join our team. Reporting directly to the Head of Major and Complex Loss (MCL), you’ll manage high-value and complex property claims across a variety of sectors, including commercial, domestic, construction, and other property-related losses.

This role is ideal for a professional with extensive experience in property MCL claims handling, strong client engagement skills, and a commitment to delivering exceptional service. While an ACILA qualification is highly desirable, we also welcome applications from candidates with significant experience in major and complex property loss adjusting who are working towards this accreditation.

How you'll make an impact

• Manage a diverse portfolio of major and complex property claims, from instruction to settlement.
• Handle claims across commercial, domestic, construction, and other property-related sectors.
• Ensure claims are managed in line with company and client service standards, meeting agreed KPIs.
• Produce high-quality, tailored reports and correspondence for clients, brokers, and stakeholders.
• Provide technical expertise and guidance to ensure optimal outcomes for complex claims.
• Build and maintain strong relationships with clients, brokers, insurers, and other stakeholders.
• Represent the organisation professionally in client meetings, industry events, and the wider insurance market.
• Act as a trusted advisor to clients, ensuring satisfaction and retention through excellent service delivery.
• Support the Head of MCL in achieving team goals and delivering strong financial performance.
• Provide mentorship and technical guidance to junior team members.
• Contribute to business development activities, including tenders and client presentations.
• Stay updated on industry trends, regulatory changes, and best practices to ensure compliance and innovation.

About You

• Extensive experience in handling major and complex property claims, including commercial, domestic, construction, and other property-related losses.
• Proven ability to manage high-value claims with technical precision and professionalism.
• ACILA qualification is highly desirable, but candidates with significant experience working towards this accreditation will also be considered.
• Exceptional interpersonal, communication, and negotiation skills.
• Proven ability to build trust and credibility with clients, brokers, and stakeholders across various sectors.
• Strong written and verbal communication skills, including the ability to produce detailed and accurate reports.
• Proactive approach to resolving challenges and achieving positive outcomes for clients.
• Strong organisational skills with the ability to manage multiple claims and priorities effectively.
• Ability to work under pressure and meet deadlines in a fast-paced environment.
• Full, clean driving licence.
• Eligible to work in the UK.

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. 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)