Assistant Underwriter

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.

Pen Underwriting is looking for an Assistant Underwriter to join our Household and Personal Lines team in London.

Whether you already have underwriting experience or are looking to take the next step in your insurance career, this is an excellent opportunity to join a supportive and experienced team where you'll gain exposure to a wide range of underwriting activities and develop your technical expertise.

Working closely with experienced Underwriters, you will support the management of new and existing business, helping to deliver a profitable and well governed portfolio. This is a varied role that combines underwriting support, broker servicing, account management and portfolio analysis, offering the opportunity to build your knowledge across multiple areas of the business.

With excellent career development opportunities, support towards professional qualifications and exposure to a broad range of responsibilities, this role is ideal for someone who is keen to learn, take ownership and build a long term career in underwriting.

This role is based in our London office and offers a flexible hybrid working pattern of five working days in the office followed by five working days from home. The cycle typically runs Wednesday to Tuesday in the office, followed by Wednesday to Tuesday working remotely.

• Support the underwriting of new business, renewals, mid term adjustments and cancellations.
• Review risks, prepare documentation and assist with underwriting decisions in line with agreed guidelines.
• Build and maintain relationships with brokers, providing a professional and efficient service.
• Assist with portfolio monitoring, reporting and data analysis to support business performance.
• Identify trends, anomalies and emerging risks, escalating where appropriate.
• Maintain accurate records and ensure compliance with underwriting and regulatory requirements.
• Contribute to quality improvement initiatives and support the wider underwriting team.

• Experience with in an insurance, underwriting or broking environment.
• Household, personal lines or delegated authority experience would be advantageous but is not essential.
• Strong attention to detail and commitment to accuracy.
• Good communication and relationship building skills.
• Analytical mindset with the ability to work confidently with data and information.
• Strong organisational skills and ability to manage multiple priorities.
• Good IT skills, including Microsoft Excel and Word.
• CII qualifications, or a willingness to work towards them, would be advantageous.
• Positive, proactive approach with a desire to learn and progress within underwriting.

On top of a competitive salary, great teams and exciting career opportunities, we also offer a wide range of benefits.

Below are the minimum core benefits you’ll get, depending on your job level these benefits may improve:

• Minimum of 25 days holiday, plus bank holidays, and the option to ‘buy’ extra days
• Defined contribution pension scheme, which Gallagher will also contribute to
• Life insurance, which will pay 4x your basic annual salary, which you can top-up to 10x
• Income protection, we’ll cover up to 50% of your annual income, with options to top up
• Health cash plan or Private medical insurance

Other…