What Does a Controller Do?And It’s Importance in Business

Most businesses aren’t losing money because the market is tough,They are losing money because they don’t have the right controller. 

As a company grows, its finances inevitably become complex. Decisions get hard as the volume of data multiplies. Every day brings new financial choices and requirements. For instance, a company may require a controller to lead its accounting operations or help support the CFO in analyzing and understanding operating results.

A controller will have financial expertise and analytical skills to interpret the data and guide the company to make the right decisions. 

The following guide covers:

• What a controller actually does
  
• What is their role within a company?
  
• How controllers help leaders understand their finances
  
• When a small business should hire a controller
  
• The three key traits that define a great controller

Before we start, here’s a surprising fact: accounting controller jobs are expected to grow by 17% from 2023 to 2033. Many small business owners hire bookkeepers or CFOs, but not controllers. Yet, it’s one of the most important positions for a company.

What Is a Controller?

A controller ensures that the financial side of the business is going well. He helps business owners see and understand their finances. 

In big companies, controllers lead a team of accountants. In small companies, they do all the work themselves. Their job is to keep money organized, correct, and under control so the business can make good decisions.

What Is a Controller in Accounting?

A Controller is a senior finance professional who manages a company’s money and records. They make sure all financial management is accurate, budgets are on track, and reports are correct. Controllers also help the company follow financial rules and regulations .

A Controller manages a company’s money and financial records. They make sure reports are correct, on time, and follow the rules. They watch budgets, track spending, and lead the accounting team. Controllers also give important financial information to leaders to help make smart business decisions.

What Does a Controller Do?

Controllers handle money. They plan budgets, watch finances, follow rules, manage cash, spot risks, and help the company earn more. They also explain money matters to managers so the business stays safe and smart.

A Controller runs the accounting department and makes sure the company’s financial management reports are correct. They explain the numbers to managers and other staff. They set up rules to prevent mistakes and fraud, keeping the company’s money safe. Controllers report to the CFO. They watch over Accounting Managers and make sure all reports are finished on time.

An example of a controller’s work is to lead a QBO implementation or migration for a mid-size company that is undergoing transition. A controller will ensure accuracy and execution across the company’s financial operations.

Functions of Controllers:

The controllers’ function will revolve around reviewing the books and ensuring that the financial records are accurate. They will check that invoices and expenses are accounted for. 

They are responsible for maintaining the cash flow and will work with teams across departments to keep operations humming. A controller will also translate complex numbers into clear insights for the leadership. For instance, helping decide whether to invest in new equipment or adjust the pricing strategy. 

Tasks expected from a financial controller vary a great deal according to the industry. But here are a few major tasks that are conventionally expected of a financial controller. 

Financial Accuracy and Oversight

• Owns the General Ledger (GL) and ensures all financial statements are accurate.
  
• Reviews balance sheet reconciliations, income statements, and variance analyses.
  
• Verifies that transactions recorded by staff are correct and complete.
  
• Ensures compliance with accounting standards and regulations.

Internal Controls and Compliance

• Establishes and enforces internal controls to prevent errors or fraud.
  
• Oversees audits (internal and external) and ensures the company passes them cleanly.
  
• Maintains schedules for debt, fixed assets, payroll taxes, and other regulatory filings.
  

Month-End and Year-End Close

• Coordinates and manages the month-end and year-end close processes.
  
• Ensures all accruals, prepaids, intercompany entries, and reconciliations are completed on time.
  

Cash Flow and Treasury Management

• Monitors cash flow, accounts receivable (AR), and accounts payable (AP).
  
• Provides projections to help management make decisions on spending, collections, and investments.
  

Financial Analysis and Reporting

• Produces financial reports for management and investors.
  
• Performs variance analysis, cost analysis, and budget vs. actual comparisons.
  
• Provides insights and recommendations to improve performance and profitability.

Team Leadership and Management

• Supervises accounting staff (AR, AP, payroll, inventory, etc.).
  
• Reviews staff work, fixes errors, and provides guidance.
  
• Develops team members’ skills and ensures proper delegation of tasks.

Operational Support and Strategic Input

• Advises management on the financial feasibility of decisions (e.g., rent vs. buy, scaling operations).
  
• Integrates financial data with operational metrics to provide actionable insights.
  
• Sometimes, coordinates cross-departmental projects or improvements in processes.
  

Problem Solving and “Firefighting”

• Acts as the “helicopter” role, identifying and correcting mistakes across departments.
  
• Handles unexpected financial issues, ensures deadlines are met, and mitigates risks.
  

Process Improvement

• Implements ERP systems, automates processes, and improves workflows.
  
• Identifies cost-saving opportunities and efficiencies across the business.

Types of Controllers

Controllers can have different roles depending on the business.

• Corporate Controller: Manages money and keeps reports correct.
• Divisional/Regional Controller: Watches over money for one part of the business and follows company rules (Robert Half).
• Specialized Controllers: For example, plant or manufacturing Controllers handle costs, inventory, and production. Project Controllers track budgets and timelines for specific projects.

The right controller depends on your company’s size and needs.

Skills Controllers Need to Succeed

Successful Controllers need to be good with numbers and details. They must clearly explain financial information and lead their team effectively (Indeed). They also need to know accounting rules and follow laws.

Controllers should understand accounting rules (GAAP) and pay close attention to details. They need strong problem-solving and data analysis skills to make sense of financial information. Good communication is also key, as they must explain complex details clearly to teams and managers. Controllers should be able to lead and manage their staff well (Indeed). They need to guide their team, assign tasks, and ensure work is done right. They should also work well with other departments. This helps keep the business running smoothly.

Education and Certifications

Most controllers study accounting or finance in college. Many also get certificates like CPA or CMA. Some have an MBA. They usually have experience in accounting work.

Technology Skills

Controllers use money software like SAP, Oracle, Workday, or QuickBooks. They also use tools for financial close management, like BlackLine or FloQast. Knowing AI, data safety, and data analysis helps controllers make quicker, smarter money decisions.

Salary Trends

Controller pay depends on experience, job, and company size. Mid-level pay:

• Corporate Controller: $185,000
• Divisional Controller: $161,750
• Assistant Controller: $122,500
• Plant Controller: $125,000

Qualifications for Controllers

Controllers usually have a degree in Accounting or Finance. Many also get a CPA or MBA. They need to lead teams, know accounting rules, handle budgets, forecasts, and financial reports, and use accounting systems management software (Investopedia). They should work well in busy environments and manage money carefully.

When Do Small Businesses Need Controllers?

If a company is generating around $1 million in revenue, then they are highly advised to take up a financial controller. Bookkeepers are great at data entry, but controllers handle higher-level accounting and manage the process (Preferred CFO). 

Companies undergo financial reporting at an astonishing pace. A running company will go through numbers faster than it will go through water cans for the water cooler. That is why keeping track of the deeper meaning behind financial reports is crucial. 

If you’re:

• Always reviewing accounting data. 
• Overwhelmed by financial reports
• Struggling to get actionable insights from your numbers

…then it’s time to consider a controller.

Where Controllers Come From?

Financial controllers come from public accounting & audit backgrounds and usually have big firms in auditing, bookkeeping, and financial assessment. They are experts in GAAP accounting and can review the present data according to IRS standards. 

Controller vs. CFO:

Controllers do daily accounting such as bills, payroll, budgets, and cash flow. They report to the CFO. CFOs plan big through investments, mergers, and financial health improvement plans. The CFO will look for the best ways to grow and improve a company. 

An Accounting Manager watches over daily accounting work and reports to a Controller or CFO. They don’t handle big-picture planning. In the CFO vs Controller debate, Controllers lead the accounting team and make sure the company’s finances are correct.

Fractional Controller vs. Full-Time Controllers: What’s Right for You?

Controllers keep money accurate, follow rules, and guide the business. Without them, companies can make mistakes or lose money.

• Big companies with complex finances usually need a full-time Controller.
• Small or growing businesses can use a part-time or remote Controller for help.

Here we explain the difference so that you can decide for yourself (Fully Accountable):

Conclusion

Finally, what does a controller do? Controllers are top money managers. They make sure reports are correct, rules are followed, and budgets are right. They lead the accounting team and help bosses understand the numbers.

Controllers are important for companies with lots of money to handle. The job can grow your career. Many become VP of Finance, CFO, or COO. If you like numbers, being careful, and leading people, being a controller is a good job.

FAQS:

Is a controller a stressful job?

Controllers play a critical role in the financial well-being of a company. They have an owner and a client-facing, highly accountable role. But if one is good at it, then it does not have to be stressful.

Is a controller higher than a CPA?

A CPA is usually hired as an accounting manager, which is higher than a controller. MBAs are conventionally chosen as a controller.

What is a controller vs a CFO?

It is a debate whether a controller is higher than a CFO. A CFO is a Chief Financial Officer, while a controller is responsible for managing all financial activities of the company. A CFO is higher than a controller, and a controller conventionally answers to a CFO.

Is a controller a high-level job?

Yes, a controller manages the financial activity of the company and ensures that all financial information is effectively used and gathered.