Assistant Controller, Marketing Growth Solutions

Overview

This role leads the US Accounting function within the Marketing Growth Services (MGS) service line, ensuring accurate, timely, and compliant financial operations that support informed business decisions and meet regulatory and audit requirements.

Responsibilities

Financial Operations and Accounting Management

• Oversee accounting operations including Accounts Receivable, General Ledger, and expense accounting to ensure accurate and timely processing of financial transactions
• Manage the month-end close process to ensure financial reports are delivered on time and reflect accurate financial position and performance
• Prepare and publish monthly financial statements that meet US GAAP standards and provide visibility into business performance
• Manage billing processes and cash and banking operations to optimize working capital and ensure liquidity
• Assist in developing monthly cash flow forecasts for management to support operational and strategic planning

Compliance, Controls, and Audit

• Ensure compliance with US GAAP and applicable internal control standards across all accounting operations
• Develop and document business processes and accounting policies to maintain and strengthen internal controls
• Manage the year-end audit process to ensure timely and accurate deliverables and successful audit outcomes
• Prepare and file the US company’s tax and other compliance reporting requirements in accordance with regulatory deadlines
• Establish quality control mechanisms over financial transactions and financial reporting to protect data integrity and organizational risk posture

Revenue Recognition and Profitability Analysis

• Partner with Finance to ensure accurate and compliant revenue recognition treatment of client contracts
• Analyze client and project profitability to provide actionable insights for pricing, resourcing, and portfolio decisions
• Explain material variances by understanding key revenue and cost drivers

Budgeting, Forecasting, and Strategic Support

• Assist in annual budgeting and forecasting processes to support resource allocation and performance management
• Represent Finance in system implementation projects to embed accounting requirements into technology solutions and process design

Cross-Functional and Global Collaboration

• Liaise with UK colleagues on accounting and finance matters, including inter-country and inter-company recharges, to support accurate consolidation and reporting
• Collaborate with global Finance to ensure processes and tasks are completed to a high standard and aligned with enterprise financial policies
• Support client and supplier onboarding to help structure commercial arrangements for operational and financial efficiency

Team Leadership and Development

• Lead and manage the US Accounting team to build capability, ensure accountability, and deliver consistent high-quality outcomes
• Provide day-to-day support to the wider Finance team as required to ensure cross-functional effectiveness and responsiveness

Requirements

• Advanced Microsoft Excel
  • Build complex financial models, perform multi-dimensional analysis, and automate reporting processes supporting monthly close, forecasting, and variance analysis
• Finance and accounting platforms
  • Configure, manage, and optimize systems to ensure accurate transaction processing, reporting integrity, and operational efficiency
• Multi-currency transaction management
  • Manage accounting treatment across multiple currencies, ensuring accurate conversion, hedge accounting where applicable, and compliance with US GAAP
• Systems implementation and process improvement
  • Lead or represent Finance in ERP and accounting system implementations, translating business requirements into system design and ensuring successful adoption
• Stakeholder management across functions and geographies
  • Build relationships with global Finance colleagues, operational leaders, and external auditors to resolve complex issues in a timely manner

Domain-specific Knowledge

• US Generally Accepted Accounting Principles (GAAP)
• Enterprise Resource Planning (ERP) and accounting systems such as NetSuite or SAP
• Global accounting operations and multi-entity financial environments, including inter-company transactions, consolidation, and cross-border financial operations
• Agency business models, including structure, operations, and service delivery

Domain-specific Experience

• 9+ years managing accounting operations in a multi-entity or global organization, with direct accountability for financial reporting, compliance, and controls
• 3+ years in public accounting with exposure to audit, tax, or advisory services that built technical accounting expertise and understanding of external audit processes
• 3+ years managing external audits as the primary company contact, coordinating deliverables and ensuring successful audit outcomes
• 3+ years leading and developing accounting teams, including responsibility for hiring, performance management, and capability building
• Experience managing month-end and year-end close processes in a fast-paced, commercially focused environment where timeliness and accuracy are critical

Compensation & Benefits

• Anticipated annual base salary range: $120,000–$140,000 USD (good-faith estimate at time of posting)
• Annual bonus eligibility
• Benefits package including health insurance, retirement savings plan, paid time off, and other benefits

Location

United States (US Accounting function responsibilities)