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Part Time Controller Jobs in Ontario (NOW HIRING)

Impact Chemistry

Controller - Part Time

Kingston, ON · On-site

We are currently recruiting a Controller in Kingston, ON with a flexible start date of Aug 15, 2026. This part-time position is estimated at 20-30 hours per week. At Impact Chemistry, we value a ...

Impact Chemistry

Controller - Part Time

Kingston, ON · On-site

This part-time position is estimated at 20-30 hours per week. At Impact Chemistry, we value a work ... Controller This role is accountable for the oversight of all financial, accounting, and reporting ...

Eminent Valet

Traffic Controller Part Time

Milton, ON · On-site

CA$18/hr

Eminent Valet is actively seeking dedicated and motivated Traffic Controllers to become integral members of our esteemed and accomplished team. As a premier provider in Canada's valet service ...

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Part Time Controller information

See Ontario salary details

$13

$42

$87

How much do part time controller jobs pay per hour?

As of Jul 19, 2026, the average hourly pay for part time controller in Ontario is $42.08, according to ZipRecruiter salary data. Most workers in this role earn between $26.20 and $49.76 per hour, depending on experience, location, and employer.

How does a part-time controller typically balance multiple clients or entities, and what time management strategies are helpful in this role?

A part-time controller often works with several clients or manages multiple business units, requiring strong organizational and communication skills. Effective controllers prioritize tasks based on deadlines and financial cycles, use cloud-based accounting tools to streamline workflows, and maintain clear documentation for each client. Regular check-ins with client leadership and proactive planning help prevent bottlenecks and ensure accuracy. Time management strategies such as batching similar tasks and setting dedicated hours for each client can greatly improve efficiency and client satisfaction.

What are the key skills and qualifications needed to thrive as a Part Time Controller, and why are they important?

To thrive as a Part Time Controller, you need strong expertise in accounting principles, financial reporting, and budget management, usually backed by a degree in accounting or finance and experience in financial leadership roles. Familiarity with accounting software (such as QuickBooks or NetSuite), ERP systems, and often a CPA or CMA certification is important. Excellent organizational, analytical, and communication skills are crucial for managing priorities, interpreting data, and advising stakeholders. These skills ensure accurate financial oversight, regulatory compliance, and effective strategic support for the organization's goals.

How to Become a Part-Time Controller

To become a part-time controller, you must have significant professional experience and advanced qualifications in accounting, business administration, finance, and management. Typically, a controller has several years of experience as an accountant or auditor. As a part-time controller, you may also have some experience as a full-time controller, but are now working part-time as you near retirement or transition to other responsibilities. You need a bachelor's degree in finance, economics, statistics, or a closely related degree. An advanced degree, such as an MBA is also useful. As an accounting professional, you also must be a certified public accountant or CPA. Excellent leadership skills and strong analytical problem-solving are essential.

Is your part-time controller a good company?

A part-time controller is a professional responsible for managing financial reporting, budgeting, and internal controls on a part-time basis. The quality of the company they work for depends on its industry reputation, management practices, and work environment. Evaluating company culture, employee reviews, and financial stability can help determine if it is a good place to work.

What does a part-time controller do?

A part-time controller is responsible for overseeing a company's financial activities, including accounting, financial reporting, budgeting, and internal controls, on a reduced schedule. They analyze financial data, ensure compliance with regulations, and often use accounting software like QuickBooks or SAP. This role requires strong financial knowledge and attention to detail, typically working fewer hours than a full-time controller.

What is a Part Time Controller?

A Part Time Controller is a financial professional who manages an organization’s accounting operations on a part-time basis, rather than as a full-time employee. They are responsible for overseeing financial reporting, budgeting, and compliance, often working with multiple clients or businesses. This role is ideal for small to mid-sized companies that need high-level financial expertise but do not require a full-time controller. Part Time Controllers can help businesses save costs while ensuring their finances are well-managed and compliant with regulations.

Is a controller higher than an accountant?

A controller is generally a higher-level financial management position than an accountant. Controllers oversee accounting departments, prepare financial reports, and develop internal controls, often requiring more experience and advanced skills. Accountants typically handle day-to-day bookkeeping and compliance tasks under the supervision of a controller or finance manager.

Do I need a CPA to be a controller?

A Part Time Controller typically does not require a CPA license, but having one can enhance credibility and job prospects, especially in organizations with complex financial reporting. Many controllers have accounting degrees and extensive experience in finance and management, with CPA certification being an asset rather than a strict requirement.

What is the difference between Part Time Controller vs Bookkeeper?

AspectPart Time ControllerBookkeeper
CredentialsExperience in accounting management, often CPA or similarBasic bookkeeping skills, often no formal certification
Work EnvironmentOversees financial reporting, strategic planningHandles day-to-day transaction recording
Employer & Industry UsageSmall to mid-sized businesses, finance departmentsSmall businesses, startups, or sole proprietors

The Part Time Controller typically manages financial strategies and oversees accounting teams, requiring more experience and credentials. In contrast, a Bookkeeper focuses on recording daily transactions with less formal education. Both roles are essential in financial operations but differ in scope and responsibilities.

More about Part Time Controller jobs
What are the most commonly searched types of Controller jobs in Ontario? The most popular types of Controller jobs in Ontario are:
What are popular job titles related to Part Time Controller jobs in Ontario? For Part Time Controller jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Part Time Controller jobs in Ontario look for? The top searched job categories for Part Time Controller jobs in Ontario are:
What cities in Ontario are hiring for Part Time Controller jobs? Cities in Ontario with the most Part Time Controller job openings:
Part Time Controller jobs near you
Infographic showing various Part Time Controller job openings in Ontario as of July 2026, with employment types broken down into 8% Locum Tenens, 84% Full Time, 4% Part Time, 1% Contract, and 3% Summer. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $87,535 per year, or $42.1 per hour.

Controller - Part Time

Impact Chemistry

Kingston, ON • On-site

Part-time

Medical, Dental, Retirement

Posted 3 days ago

New

Job description

Impact Chemistry’s lab-based services provide our customers with chemistry-based solutions that lead to marketable products. Our creative and talented team execute technical projects for companies in the semiconductor, catalyst, battery and cleantech sectors.


We are currently recruiting a Controller in Kingston, ON with a flexible start date of Aug 15, 2026. This part-time position is estimated at 20-30 hours per week.


At Impact Chemistry, we value a work-life balance and offer employees flexible working arrangements (as the role allows), a benefits program including pension, medical, paramedical and dental without a probation period.


Impact Chemistry values equity, diversity and inclusion and encourages all qualified individuals to apply. Accommodations are available on request for candidates taking part in all aspects of the selection process. We thank you for your interest, but please note that only those applicants considered for an interview will be contacted.


Interested candidates should submit their resume and cover letter by 5:00 pm, Friday July 24, 2026.


Controller

This role is accountable for the oversight of all financial, accounting, and reporting activities. This includes, but is not limited to, leading all day-to-day financial operations of Impact Chemistry, including accounts receivable, payroll, providing accurate, timely financial reporting to management as well as oversight of accounts payable.


All candidates should be flexible and capable of managing deadlines. A detailed description of the role, responsibilities, and qualifications appear below. 


Job Duties and Responsibilities

  • Accounts Receivable: invoicing customers and monitoring payments.
  • Accounts Payable: reviewing Finance Clerk entries for accuracy & entering payables when required. Processing payments and bank wire transfers.
  • Processing payroll, managing group insurance, pension, WSIB, EHT payments and annual reconciliations.
  • Monitoring bank account balances, investments, and exchange rate movements.
  • Monthly preparation and analysis of financial statements & reports.
  • Preparation of cash flow forecasts.
  • Preparation of annual budget.
  • Effective management and mentoring of Finance Clerk

Qualification Requirements

  • Minimum 15 years of experience in all aspects of accounting (GAAP)
  • Post secondary accounting degree
  • Deep experience with Microsoft Office suite, especially Excel, and QuickBooks Online.
  • Ability to quickly learn software programs such as QBO plugins. Previous experience with procurement software is an asset.
  • Experience with annual audit preparations
  • Keen attention to detail with an emphasis on accurate record keeping
  • Strong written and verbal communication skills
  • Currently legally permitted to work in Canada.