Client Account Manager

Marsh McLennan; Greater London; Hybrid; GBP 50,000 - 80,000; Full time

Job summary

Marsh Re in London is seeking a Client Account Manager for a hybrid role requiring at least three days in the office. You will support the largest, most complex client accounts across Latin America and the Caribbean, coordinating internal teams, brokers, and market partners to deliver high-quality service and timely deliverables.

The role emphasizes project management, delivery oversight, and relationship handling with strong governance and stakeholder management.

Qualifications

• Previous experience within commercial insurance, reinsurance, broking, underwriting, or a related insurance environment.
• Project management / coordination experience
• Complex Client Account management
• Insurance servicing / broker support
• Consulting support / service delivery roles
• Strong planning, reporting and governance capability
• Ability to manage multiple internal stakeholders without direct authority
• A calm, solutions-focused approach under pressure

Responsibilities

• Support the management of Marsh Re’s largest, most complex client accounts across Latin America and the Caribbean treaty business.
• Coordinate day-to-day account activity across internal teams, placement teams, and external market partners to ensure high quality, timely, accurate, and efficient service delivery across all stages of the client and market service cycle.
• Oversee project management activity across multiple priorities, tracking deliverables, resolving issues, and maintaining momentum on complex account work.
• Act as a central point of contact for clients and internal stakeholders, helping to manage expectations, relationships, and communication across the account lifecycle.
• Provide support on broker-related activities, including analysis and coordination of renewal information, documentation, submissions, and follow-up actions.
• Contribute to smooth execution of renewal, placement, and servicing processes by coordinating inputs, managing dependencies, and following through on actions.
• Work closely with client teams, brokers, carriers, and internal specialists to support delivery of tailored solutions for complex client needs.
• Support clients with analysis of technical accounts and manage service delivery flows through complex programme structures, ensuring instructions and market actions are executed on time.
• Monitor account servicing requirements and ensure operational tasks, transactional flows, and service commitments are completed to a high standard.
• Support issue resolution and escalation management, helping to identify risks, remove blockers, and maintain service continuity.
• Maintain strong awareness of client priorities, service standards, and account-specific requirements to ensure a consistent and responsive client experience.
• Build effective working relationships across client-facing and internal teams, acting as a trusted partner in the delivery of complex accounts.
• Help drive continuous improvement in service processes, documentation, and account management practices.
• Ensure accurate record-keeping, status tracking, and administrative discipline across all client and market-facing activities.

Skills

Project management

Stakeholder management

Client service

Insurance industry experience

Governance & reporting

Communication

Spanish language

Job description

Company:

Marsh

Description:

We are seeking a talented individual to join our team at Marsh Re. This role will be based in the London office . This is a hybrid role that has a requirement of working at least three days a week in the office.

The role: Client Account Manager

Within this role, the Client Account Manager will support our largest, most complex client accounts. This is not a broking role ; however, it combines elements ofdata analysis, broker support, client service, account coordination and service consultancy. The role is a senior position, with a strong emphasis on ownership and accountability in project management, delivery oversight and relationship handling. It would be client, market and internally facing.

We will rely on you to:

• Support the management of Marsh Re’s largest, most complex client accounts across Latin America and the Caribbean treaty business.

• Coordinate day-to-day account activity across internal teams, placement teams, and external market partners to ensure high quality, timely, accurate, and efficient service delivery across all stages of the client and market service cycle.

• Oversee project management activity across multiple priorities, tracking deliverables, resolving issues, and maintaining momentum on complex account work.

• Act as a central point of contact for clients and internal stakeholders, helping to manage expectations, relationships, and communication across the account lifecycle.

• Provides support on broker-related activities, including analysis and coordination of renewal information, documentation, submissions, and follow-up actions.

• Contribute to the smooth execution of renewal, placement, and servicing processes by coordinating inputs, managing dependencies, and following through on actions.

• Work closely with client teams, brokers, carriers, and internal specialists to support the delivery of tailored solutions for complex client needs.

• Support clients with the analysis of technical accounts and manage service delivery flows through the complex programme structures, ensuring client instructions and market actions are executed with precision and within agreed timelines.

• Monitor account servicing requirements and ensure operational tasks, transactional flows, and service commitments are completed to a high standard.

• Support issue resolution and escalation management, helping to identify risks, remove blockers, and maintain service continuity.

• Maintain strong awareness of client priorities, service standards, and account-specific requirements to ensure a consistent and responsive client experience.

• Build effective working relationships across client-facing and internal teams, acting as a trusted partner in the delivery of complex accounts.

• Help drive continuous improvement in service processes, documentation, and account management practices.

• Ensure accurate record-keeping, status tracking, and administrative discipline across all client and market-facing activities.

What you need to have:

• Previous experience within commercial insurance, reinsurance, broking, underwriting, or a related insurance environment.

• Project management / coordination experience

• Complex Client Account management

• Insurance servicing / broker support

• Consulting support / service delivery roles

• Strongplanning, reporting and governancecapability

• Ability to managemultiple internal stakeholders without direct authority

• A calm, solutions-focused approach under pressure

What makes you stand out:

• A proactive and dynamic approach, with previous client-facing experience.

• Having Spanish language capabilities would be a benefit and also having knowledge and/or experience of the Latin America and Caribbean region is also beneficial.

• Experience supporting large, complex or global accounts

• Confidence dealing with high-profile clients & stakeholders

• Cert CII qualification, with progress towards ACII, would be advantageous.

• An interest in working within an international environment and supporting clients across multiple markets.

Why join our team:

• We help you be your best through professional development opportunities, interesting work and supportive leaders.

• We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.

• Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.

#hybrid

Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit marsh.com, or follow us on LinkedIn and X.

Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age background, civil partnership status, disability, ethnic origin, family duties, gender orientation or expression, gender reassignment, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law. We are an equal opportunities employer. We are committed to providing reasonable adjustments in accordance with applicable law to any candidate with a disability to allow them to fully participate in the recruitment process. If you have a disability that may require reasonable adjustments, please contact us at [e-mail].

Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.