Assistant Management Accountant

TEAM LEWIS is seeking an ambitious, proactive individual to join our dynamic finance team as an Assistant Management Accountant. In this role, you will gain hands-on experience in day-to-day transactional activities and management accounting, learning directly from experienced colleagues. We are looking for a detail-oriented, part-qualified professional (ACCA, CIMA, ACA, or equivalent) with at least one year of relevant experience—industry knowledge is highly desirable. This position offers excellent opportunities for career development, including study support, and the chance to contribute to the financial success of our business while building your core management accounting skills.

About TEAM LEWIS

TEAM LEWIS is a global marketing agency that has grown from start-up to multi- national in a little over two decades. Its success is due to a combination of factors: talented creatives delivering award winning campaigns; expanding client relationships into new markets or services and its independence from outside investors. The agency, its people and client campaigns have won many awards, including Cannes Lions, PRovoke Media, ICCO, European Excellence, PRCA Digital, Digital Impact, Global Digital Excellence.

At the heart of the business is the TEAM LEWIS Foundation (TLF), a non-profit charitable entity. Since its launch in 2021, it has funded over 2,000 causes. The TLF promotes a wide variety of social, cultural, and environmental causes that benefit society. It aims to strengthen the bonds between the creative industries, businesses, government, and non-profits. Community charities are championed by employees, who in addition to the financial donation, volunteer their time and skills to leverage effectiveness.

Responsibilities

Management Accounting & Reporting

• Assist in the preparation of monthly management accounts, including accruals, prepayments, and journal postings.
• Support monthly variance analysis and provide insightful commentary.
• Prepare and reconcile balance sheet accounts, ensuring accuracy and compliance with internal controls.
• Assist with month-end and year-end close processes.
• Provide financial analysis and reporting to support business decision-making.
• Support the preparation of VAT returns and other statutory filings.
• Liaise with internal departments to gather financial information and resolve queries.

Accounts Receivable & Billing

• Manage the end-to-end UK billing process, including preparing, obtaining sign-off, and sending project and monthly retainer invoices.
• Ensure all retainers and projects are supported by appropriate contracts, SOWs, or written client approval; follow up with non-finance colleagues as needed.
• Update and maintain the weekly billing schedule.
• Conduct monthly project billing audits to ensure timely and accurate invoicing.
• Set up TEAM LEWIS as a new vendor on online invoicing portals for major clients.
• Follow up on missing project bills and anomalies with finance colleagues.
• Oversee UK credit control: chase outstanding payments, escalate problem debts, and circulate the fortnightly UK Debt Report. Maintain awareness of client size, jurisdiction, and risk, and perform credit checks as appropriate.

Process Improvement & Audit Support

• Assist in the implementation and improvement of financial processes and systems.
• Support audit processes by preparing schedules and responding to auditor queries.
• Assist with the year-end audit process and manage the archiving system.
• Compile ad-hoc reports and analysis as required.

General

• Act as a cultural ambassador for the region, promoting finance initiatives and activities via social media and internal channels.
• Contribute to the continuous improvement of finance systems, practices, and policies.
• Provide cover for team members during absences.
• Add and maintain project and task codes in the timesheet system.
• Undertake ad-hoc duties and project work as required.

About you

• At least 1+ year(s) of relevant experience
• Part-qualified professional (ACCA, CIMA, ACA, or equivalent)
• Collaborative self-starter with initiative, who is goal driven
• Creative thinking “outside the box” to provide solutions and solve problems
• Excellent presentation, written and verbal communication skills
• Strong attention to detail
• IT literate with a good working knowledge of Microsoft Excel
• Well organised; ability to prioritise; attention to detail; a pragmatic approach
• Energetic, confident, charismatic - a credible team player

Key relationships

• Financial Controller (UK) – line manager
• Finance Shared Services
• Global Finance Team
• General Managers, Associate and Account Directors (UK)
• External parties: suppliers and clients

This job description is not intended to be an exhaustive list of the responsibilities for this role. Other responsibilities may be added from time to time.

TEAM LEWIS is an Equal Opportunity Employer. We are committed to creating and fostering an environment focused on equality, empowerment and respect. We strive to create an inclusive workplace that supports and celebrates our diversity. We continue to invest in our efforts to ensure that TEAM LEWIS is a place where everyone can thrive.