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Gallagher · London, United Kingdom

Assistant Underwriter

London, United KingdomFull-timeAdministrative

Listed on Gallagher’s official careers site. Posted October 7, 2026. Check that it is still open and apply there.

Apply on Gallagher’s careers site →

Job description

Introduction At Pen, we don’t just underwrite risk, we unlock possibility. We’re a dynamic underwriting and distribution business backed by the strength of Gallagher and powered by a belief that every challenge has a solution. With entrepreneurial energy, niche expertise, and a bold growth mindset, we’re transforming what it means to be an MGA in today’s insurance landscape. Whether you’re shaping new products, solving complex problems, or collaborating across teams, your ideas and initiative will help deliver smarter solutions for our clients—and move the industry forward.

Here, agility meets stability. Creativity meets execution. And your career meets real opportunity. At Pen, we champion innovation, value accountability, and thrive on building something better together. If you’re looking to join a team that’s rewriting the future of underwriting, we’d love to hear from you.

Overview

Pen Underwriting – Assistant Underwriter – London Market - City The company: Pen Underwriting Pen Underwriting acts as a multi-class, multi-territory Managing General Agent (MGA) that operates like a virtual insurance company. Pen Underwriting handles sales, distribution, pricing, product innovation, and claims management without acting as the actual financial risk carrier. Pen Underwriting connects parties between risk carriers (such as insurers and reinsurers) and policyholders or brokers.

Pen Underwriting provides digital trading The role

Assistant Underwriter The role supports the efficient, accurate and controlled underwriting of business within Pen's Smart Follow & Facility Underwriting division. Reporting to the Underwriting Lead, the Assistant Underwriter provides broker-facing underwriting support, acting as the initial point of contact for enquiries and referrals and supporting risks through quotation, binding and endorsement. Responsibilities include submission triage, underwriting administration, broker engagement, referral management and the accurate maintenance of underwriting records and documentation.

The role is designed as an early-career opportunity to develop practical experience in Lloyd's delegated authority arrangements, facility underwriting and portfolio administration.

How you'll make an impact The Responsibilities

Broker and market engagement Underwriting and referrals Quoting, binding and endorsements Governance and quality assurance Portfolio and reporting support

About You

Graduate calibre with experience in London Market underwriting as a must Initial or current experience in Lloyd’s market, an MGA, insurer or broking business Exposure to delegated authority, facilities or underwriting support Familiarity with PPL, policy administration or underwriting systems a quantitative or analytical background Relevant insurance study or progress towards a professional qualification 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)

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