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What does a controller do?

Written by Fidan Guluzade | Jan 13, 2025 11:57:09 AM

Introduction

Picture this: you’re in a bustling office, surrounded by financial statements, spreadsheets, and the hum of calculators (or maybe just the clacking of keyboards in our modern age). In the midst of it all, there’s one person ensuring every number lines up and every financial task goes smoothly—this is the controller. But what does a controller actually do? We’re here to demystify that question and explore what makes a controller such a vital player in an organization’s financial success.

The role of a controller

A controller is often referred to as the “financial gatekeeper” of a company. Their job is to oversee a business’s entire accounting function and ensure the organization’s financial data is accurate, reliable, and up-to-date. Think of them as the captain of the accounting ship, charting the course to ensure compliance with regulations and guiding the team toward fiscal responsibility. Controllers typically work closely with chief financial officers (CFOs), accountants, and other finance professionals, translating raw data into actionable insights that influence key strategic decisions.

Their daily tasks can include everything from reviewing expense reports to preparing month-end closing statements. It’s their job to see that internal financial processes are well-structured, efficient, and error-free. If you imagine an intricate symphony of numbers, the controller is the conductor, ensuring every section plays in harmony for a stellar performance.

Key responsibilities

Let’s break down some of the main duties controllers handle day-to-day. They’re the backbone of a company’s financial health, and their responsibilities often require juggling multiple tasks at once.

Financial reporting

Financial reporting is a fundamental piece of a controller’s work. Controllers oversee the preparation and analysis of financial statements like the balance sheet, income statement, and statement of cash flows. They’re also responsible for verifying the accuracy of these reports and ensuring they align with relevant accounting standards (such as GAAP in the United States).

Without proper financial reporting, leaders in the company would be navigating blind. The controller ensures that the numbers speak the truth, providing leadership with a crystal-clear overview of the organization’s financial standing. These reports give stakeholders a snapshot of performance over time, letting them quickly spot areas that need attention and celebrate the ones that are thriving.

Budgeting & forecasting

Budgeting and forecasting are where controllers flex their forward-thinking muscles. It’s one thing to record financial transactions; it’s quite another to predict how much revenue is likely to come in or what expenses might balloon in the next quarter. Controllers collaborate with department heads to set realistic budgets, track spending, and adjust forecasts as new data surfaces.

They also conduct variance analysis—comparing actual results to what was budgeted. This detective work helps identify gaps or unexpected surpluses, ensuring that the company remains on course. By continuously refining forecasts, controllers ensure that top management can make agile, data-driven decisions that support growth, mitigate risk, and optimize the company’s resources.

Internal controls & compliance

Think of internal controls as guardrails that keep a company’s finances from veering off track. Controllers design, implement, and monitor these controls to minimize the risk of fraud, financial misstatements, and errors. Proper controls might involve rules for expense approvals, automated checks for duplicate invoices, or mandatory reviews for significant transactions.

At the same time, compliance with laws and regulations cannot be overlooked. Whether it’s adhering to Sarbanes-Oxley requirements, IFRS standards, or other industry-specific regulations, controllers ensure that all the boxes are checked. This means staying updated on changing laws and implementing any necessary changes before minor issues become major headaches.

Required skills & qualifications

While each organization may have its own set of expectations, there are some universal skills and qualifications that every great controller should possess.

Educational background

A strong foundation in accounting and finance is essential. Many controllers hold at least a bachelor’s degree in accounting, finance, or business administration. Quite a few also pursue advanced degrees such as a Master of Business Administration (MBA) or specialized certifications like Certified Public Accountant (CPA), Chartered Financial Analyst (CFA), or Certified Management Accountant (CMA).

Beyond formal education, lifelong learning is crucial. Accounting standards evolve, industry best practices shift, and new software tools emerge. The best controllers never stop honing their craft.

Technical skills

Controllers should have a robust understanding of accounting software and enterprise resource planning (ERP) systems. They’re often power users of spreadsheets, data analytics tools, and specialized financial platforms. The ability to interpret complex datasets and translate numbers into meaningful reports is invaluable.

Additionally, controllers need to be comfortable with general ledger management, reconciling accounts, and building automated workflows to improve efficiency. Familiarity with advanced data analysis techniques—like building pivot tables or harnessing predictive models—can significantly elevate a controller’s contribution to the organization.

Soft skills

While it’s easy to imagine controllers as number-crunching machines, their soft skills matter just as much as their technical proficiency. Strong communication skills are crucial when explaining complex financial information to non-financial stakeholders. Leadership and team management skills are equally critical since controllers often supervise accountants or finance analysts.

Moreover, controllers need analytical thinking and problem-solving abilities to troubleshoot discrepancies or inefficiencies. They should also demonstrate integrity, given their guardianship over sensitive financial data. Emotional intelligence and collaboration skills help them work harmoniously with other departments to achieve shared goals.

Typical career path

Many controllers don’t just land in the role by chance; there’s often a structured progression involving various accounting and finance roles along the way.

Entry-level roles

Controllers usually start their journey in entry-level accounting positions—such as staff accountant or junior accountant—where they gain hands-on experience with accounts payable, accounts receivable, and general ledger bookkeeping. It’s in these roles that aspiring controllers learn the nuts and bolts of financial recordkeeping and begin to understand the bigger picture of how a company’s finances flow.

Mid-level positions

After a few years, these professionals often move on to roles like senior accountant, accounting manager, or financial analyst. Here, they delve deeper into budgeting, financial analysis, and team leadership. This is where they start taking on more strategic tasks, interacting with senior management, and influencing process improvements within the organization.

Gaining leadership experience

Controllers generally need some form of leadership or managerial experience before stepping up to their role. They may oversee small teams, implement new processes, or serve as project leads for financial system upgrades. Learning how to manage people, delegate tasks, and resolve conflicts effectively is key to thriving as a controller, who often oversees the entire accounting department.

Challenges and rewards

Balancing strategy with day-to-day operations

One of the biggest balancing acts a controller faces is managing high-level strategy while also keeping tabs on day-to-day accounting processes. On the one hand, controllers must advise on cost-cutting measures, investment opportunities, and regulatory impacts. On the other, they ensure invoices are paid on time and the financial reports are accurate. This dual focus can be overwhelming, but it also keeps the work engaging and varied.

Like a skilled juggler, a controller never lets one aspect of the job overshadow the other. By staying organized and leveraging technology to automate repetitive tasks, controllers can maintain that equilibrium more easily.

Opportunities for growth

The controller role opens doors to a wealth of growth opportunities. Many controllers eventually step up into CFO roles, become financial consultants, or even start their own advisory firms. Their skill set is in high demand—strong financial and operational acumen is crucial in almost every industry.

With every budget analysis, internal audit, or compliance project, controllers deepen their expertise. Each new challenge strengthens their capacity for strategic thinking, turning them into well-rounded business leaders who can drive results in various organizational contexts.

Working in different industries

You might wonder how the controller role changes depending on the company or industry. In fact, the fundamentals remain consistent, but industry nuances influence daily tasks, compliance requirements, and strategic focus.

Controller in manufacturing

A controller in a manufacturing company may deal with intricate cost accounting procedures and inventory management. They track raw materials, work-in-progress, and finished goods. They must also consider overhead costs, labor expenses, and supply chain complexities. Working in manufacturing often involves analyzing production efficiency and finding cost-reduction opportunities without compromising product quality.

Controller in tech startups

In fast-paced tech startups, the controller may wear multiple hats. Rapid growth can lead to scaling challenges, so controllers focus on establishing robust financial systems right from the start. They might negotiate vendor contracts, secure funding through investors, and manage cash flow to keep the innovation engine running. Flexibility and adaptability are key, as the landscape of a startup can change in the blink of an eye.

Controller in nonprofit organizations

Nonprofit controllers have the same core responsibilities, but they also focus on fund accounting, grant management, and donor reporting. Transparency is paramount—every donated dollar must be tracked meticulously. Controllers in nonprofits ensure that financial resources are allocated according to the organization’s mission while staying compliant with legal and donor requirements. In many cases, they also handle tight budgets and lean teams, making efficiency and resourcefulness the name of the game.

Future trends in the controller profession

The world of finance is evolving rapidly, and controllers are at the forefront of this shift. From emerging technologies to increased reliance on data-driven decisions, today’s controllers are writing a new chapter in financial leadership.

Automation and artificial intelligence

Automation is no longer just a buzzword—it’s a reality for modern controllers. Automated solutions can handle repetitive tasks like data entry or reconciliations, freeing controllers to focus on high-level analysis and strategic planning. AI-driven tools can sift through vast amounts of data to identify patterns, anomalies, or areas ripe for cost savings.

Embracing these technologies isn’t about replacing people; it’s about giving finance teams better tools. Controllers who remain open-minded about such changes will find themselves ahead of the curve and significantly more valuable to their organizations.

Data-driven decision making

Gone are the days when a controller’s job was mostly about closing the books each month. Today, financial data is the lifeblood of strategic decision-making. Controllers need to craft analytics and dashboards that inform everything—from hiring plans to marketing budgets. This shift to data-driven decision-making means controllers are playing a more active role in shaping the direction of the business.

By collaborating with other departments, controllers can glean insights into customer trends, pricing strategies, and operational efficiencies. Their unique vantage point—where all the numbers converge—positions them as trusted advisers to the entire leadership team.

How to excel as a controller

Whether you’re already in a controller role or you’re eyeing it as a future aspiration, there are several ways to shine in this pivotal position.

Continuous learning

Finance and accounting rules evolve quickly, and so do the tools used to track and analyze financial data. Commit to staying in the loop: attend workshops, earn relevant certifications, and read industry journals. Learning never stops, and the payoff is well worth the effort.

Continuous learning also feeds curiosity, and that’s a trait every great controller needs. By staying curious, you won’t just accept numbers at face value. You’ll probe deeper, challenging assumptions and driving better, more informed decisions across your organization.

Collaborative mindset

Contrary to the old stereotype, controllers can’t just stay cooped up in a back office crunching numbers. They’re active collaborators who interface with all levels of management and different departments. Whether it’s HR, operations, or marketing, building rapport and clear lines of communication goes a long way.

An effective controller can tailor their financial message to their audience. They’ll present performance metrics in a way that resonates with non-financial colleagues, making sure critical insights don’t get lost in a sea of figures.

Building a strong network

Networking isn’t just about swapping business cards; it’s about building relationships that can help you excel. Conferences, webinars, professional forums—these are all places to meet peers who face the same challenges. A robust network can offer fresh perspectives, best practices, and even leads on new technology or vendors.

Beyond the external network, internal networking within your organization is equally vital. Let’s say you build a solid relationship with the operations manager. You might learn about an upcoming expansion early and have time to plan for new budget allocations.

Embracing technology

New financial software, AI-driven automation, and analytics tools flood the market every year. Staying updated on what’s out there and how it can streamline operations is a huge plus. Being tech-savvy allows a controller to spot inefficiencies and propose digital solutions that can yield long-term time and cost savings.

But don’t just grab the latest gadget for the sake of it. Understanding your organization’s actual needs is critical. The best solutions seamlessly integrate with existing workflows, enhance accuracy, and free your team to focus on more strategic tasks.

Conclusion

At its core, the controller role is about ensuring the financial backbone of an organization remains strong and stable. Controllers juggle reporting deadlines, design internal controls, and collaborate with virtually every department to keep the company on a healthy fiscal path. From manufacturing behemoths to nimble tech startups, every industry needs these financial stewards to navigate the complexities of modern business.

Being a controller isn’t just about crunching numbers—it’s about leadership, strategy, and a willingness to adapt. If you’re someone who loves solving problems, tackling complex data, and guiding an organization’s fiscal trajectory, then the controller path might just be the perfect fit.

Frequent Asked Questions (FAQs)

  1. What is the difference between a controller and a CFO?
    A controller manages accounting operations like financial reporting, budgeting, and compliance, while a CFO focuses on broader financial strategy, capital structure, and stakeholder relations. In many organizations, the controller reports to the CFO.

  2. Do controllers only work with large corporations?
    Controllers can work in companies of all sizes—from small nonprofits to multinational conglomerates. Smaller companies may not have a formal “controller” position, but someone will usually handle similar responsibilities under a different title.

  3. How long does it take to become a controller?
    It varies, but many professionals spend at least five to ten years in accounting or finance roles before becoming a controller. Gaining relevant certifications and leadership experience can help accelerate the timeline.

  4. What kind of software do controllers typically use?
    Controllers commonly use accounting software like QuickBooks or NetSuite, ERP systems such as SAP or Oracle, and analytics tools like Microsoft Excel, Power BI, or Tableau. The choice depends on industry size, complexity, and specific organizational needs.

  5. Can someone without a finance degree become a controller?
    It’s possible, especially if they have ample experience in accounting, strong financial acumen, and professional certifications. However, most companies prefer at least a bachelor’s degree in accounting, finance, or business for this leadership role.