Assistant Controller, Marketing Growth Solutions

About Trilliad

Trilliad, a market-leading Growth Services Provider (GSP), solves challenges and drives results for Growth Leaders across Sales, Marketing, and Customer Success. Trilliad’s full-service solutions deliver competitive advantage for the brands it works with by optimizing their sales and marketing strategies, processes, skills, and technology. Trilliad drives efficiency and predictability at the intersection of Sales, Marketing, and Customer Success to increase seller productivity, lower cost per lead, decrease cost per sale, accelerate time to close, and drive customer lifetime value.

 At Trilliad, culture is our backbone. It shapes how we think, behave, and treat one another, and it defines how our clients, partners, and communities experience us. Every company has a culture, and at Trilliad, we make ours intentional—anchored in our Leadership Principles. These principles guide every decision and interaction: putting the company first, obsessing over growth, remembering that business is personal, and ensuring strategy turns into execution. We succeed by being one team, striving for greatness, speaking the truth, and holding ourselves accountable. We lighten up with humor, stay patient and disciplined, run towards problems, celebrate results, and never accept confusion as an option. This is the culture you step into at Trilliad—purposeful, lived, and continually developed.

What you will do

The Assistant Controller, Marketing Growth Solutions is accountable for leading the US Accounting function within the Marketing Growth Services (MGS) service line to deliver accurate, timely, and compliant financial operations that enable informed business decisions and meet all regulatory and audit requirements. This includes ownership of core accounting operations (Accounts Receivable, , General Ledger, and expense accounting), ensuring US GAAP compliance, managing financial reporting cycles and external audits, and maintaining robust internal controls. You translate enterprise financial strategy into operational execution, partnering cross-functionally to support budgeting, forecasting, revenue recognition, and profitability analysis while representing Finance in system implementations and process improvement initiatives.

You lead and develop the MGS Accounting team, ensuring the function operates with the rigor, efficiency, and commercial insight required to support Trilliad's growth. You are accountable for the quality and timeliness of monthly and annual financial statements, the integrity of financial data across systems, and the effectiveness of controls that protect the organization. You partner with global Finance colleagues to harmonize processes and ensure seamless inter-company and cross-border financial operations.

Which means that on a day-to-day basis, you will:

Financial Operations and Accounting Management

• Oversee all 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 clear visibility into business performance
• Manage billing processes and cash and banking operations to optimize working capital and ensure liquidity
• Assist in the development of monthly cashflow 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 the Finance Team on revenue recognition to ensure accurate and compliant treatment of client contracts
• Analyze client and project profitability to provide actionable insights that inform pricing, resourcing, and portfolio decisions
• Develop a broad understanding of the main revenue and cost drivers across the business and provide explanations for material variances

Budgeting, Forecasting, and Strategic Support

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

Cross-Functional and Global Collaboration

• Liaise with UK colleagues on all accounting and finance matters including inter-country and inter-company recharges to ensure accurate consolidation and reporting
• Collaborate with the global Finance team to ensure processes and tasks are completed to a high standard and aligned with enterprise financial policies
• Support client and supplier onboarding to ensure commercial arrangements are structured 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

How you’ll do it

Because how we do things matters just as much as what we do at Trilliad, our Leadership Principles should act as a compass directing the everyday behavior of every teammate across the organization:

Growth Obsessed. For our business, our clients, and our Selves.	Create Client Value. Become irreplaceable
Business is Personal. Cultivate relationships. Make space for connection. Care about each other.	Tighten-Up. Focus, discipline, and rigor count.
Lighten-Up. Humor and laughter deepen bonds.
Strategy Without Execution Is Just Dreaming. Hope is not a strategy. Vision matters—so does execution.	You Have the Ball. Be accountable. Take action. Go the distance.
Be One Team. No lone wolves. Have each other’s back and help each other out.	Run Towards Problems. Symptoms signal deeper causes. Find the root.
Raise The Bar. Good is the enemy of great. Better never stops—be a Difference-Maker!	Have the Hard Conversation. Be direct and empathetic. Speak the truth, kindly. Feedback is a gift.
Confusion Is a Choice. Stay curious—Seek to understand. Share context—seek to be understood.	Celebrate Results. Make recognition a habit. Shine a light on what’s working, big or small.
The Journey Matters. Meaningful work takes time. Be patient. Think: the next 90 days and the next 10 years.	Think “We” not “Me.” Prioritize what’s best for the business, the team, and the journey.

 

 

What You’ll Bring – Skills, Knowledge, and Experience

All Difference-Makers are expected to meet the Trilliad Standard for Transferable Skills and Knowledge, which defines the core capabilities every teammate must bring—regardless of role, function, or level.

Trilliad transferable skills	Trilliad transferable knowledge
·       Contextual Awareness ·       Critical Reasoning and Thinking ·       Data/Analytic Acumen ·       Empathy ·       Judgment and Discernment ·       Moral Courage ·       Pattern Recognition and Systems Thinking	·       AI Literacy ·       Responsible and Effective AI Use ·       Trilliad’s Business and Commercial Context

 

The following domain-specific Skills, Knowledge, and Experience are additionally required in order for you to be great in this role.

Domain-specific skills

• Advanced Microsoft Excel — You build complex financial models, perform multi-dimensional analysis, and automate reporting processes that underpin monthly close, forecasting, and variance analysis
• Finance and accounting platforms — You configure, manage, and optimize these systems to ensure accurate transaction processing, reporting integrity, and operational efficiency
• Multi-currency transaction management — You manage the accounting treatment of transactions across multiple currencies, ensuring accurate conversion, hedge accounting where applicable, and compliance with US GAAP
• Systems implementation and process improvement — You 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 — You build productive relationships with global Finance colleagues, operational leaders, and external auditors to ensure alignment and timely resolution of complex issues

Domain-Specific Knowledge

• US Generally Accepted Accounting Principles (GAAP) — You apply GAAP to ensure all financial reporting, revenue recognition, and transaction accounting meet regulatory and audit standards
• Enterprise Resource Planning (ERP) and accounting systems such as NetSuite or SAP — You understand how these platforms support the financial close process, reporting, and controls, and how to configure them to meet business needs
• Global accounting operations and multi-entity financial environments — You understand the mechanics of inter-company transactions, consolidation, and cross-border financial operations to ensure accurate and compliant reporting
• Agency business models including structure, operations, and service delivery — You understand how professional services firms generate revenue, incur costs, and manage client profitability so that accounting processes and reporting are commercially relevant

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, with 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 both critical

The anticipated annual base salary range for this role is $120,000–$140,000 USD based on a good‑faith estimate at the time of posting. Actual compensation within this range will depend on factors including experience, skills, and geographic location. In addition to base salary, this role is eligible for an annual bonus and Trilliad’s benefits package, which includes health insurance, retirement savings plan, paid time off, and other benefits.

 

The Trilliad Agreement

If you want to be part of building a truly great growth company—and help cultivate a culture that is differentiated and creates value for customers and colleagues alike—then you might be a fit for Trilliad. Accepting that invitation means more than bringing your skills, knowledge, and experience to bear in your role. It also means working in alignment with our Leadership Principles, which guide how we show up for each other, our customers, and the work. Because at Trilliad, how we do things matters just as much as what we do.

When you show up in this way—bringing your best and living our Leadership Principles— you can expect Trilliad to uphold its side of The Trilliad Agreement: a workplace in which we grow, connect, and thrive.