A business administration or management diploma in Ontario qualifies graduates for roles in HR support, marketing coordination, sales, customer service, accounting, and office administration.
Central College of Business & Technology in Mississauga offers a three-year Business Administration Diploma Program covering 26 subjects, including a 320-hour field practicum, that prepares students for these roles directly on graduation.
Key takeaways
- Central College’s Business Administration Diploma Program spans 3 academic years and 2,220 total hours — 1,900 hours of classroom instruction and 320 hours of field practicum in a real workplace.
- The program covers 26 subjects across accounting, marketing, human resources, project management, and business communications, giving graduates a broad foundation rather than a single specialty.
- Entry-level roles — administrative assistant, HR assistant, accounting support, customer service — are accessible on graduation; management-track roles like office manager typically need 1–2 years of added experience.
- Mississauga hosts over 670 multinational head offices across finance, logistics, life sciences, and technology, making it one of Ontario’s most accessible markets for new business administration graduates.
- Admission requires an Ontario Secondary School Diploma or equivalent; mature students aged 18 or older may qualify through an alternate assessment pathway.
Jobs you can get with a business management diploma
A business administration diploma or management diploma is broad by design — it maps onto multiple career tracks rather than one narrow specialty.
The roles below reflect what the program’s subject areas connect to directly in the Ontario job market.
HR assistant
HR assistants support recruitment, onboarding, employee records, and payroll processing.
The business administration diploma covers Human Resource Management alongside Payroll Fundamentals 1, Payroll Fundamentals 2, and Payroll Compliance Legislation, giving graduates the working knowledge of administrative procedures and financial information that HR departments use every day.
Office manager or administrative coordinator
Office managers handle daily operations, supplier relationships, scheduling, and filing systems.
The program’s coverage of Microsoft Office Suite, Business Communications, and business writing maps directly onto what administrative services roles require from day one.
Graduates with strong communication skills and practical skills in document management are positioned for these roles early in their careers.
Marketing coordinator
Marketing coordinators support campaign planning, content scheduling, and customer research.
The diploma covers Marketing Fundamentals, Digital Marketing, and Professional Sales — enough of a practical understanding of the marketing process to contribute to a team without additional specialist training on entry.
Sales representative or customer service associate
Sales and customer service roles reward business communications and customer care knowledge over technical credentials. The program’s coverage of Professional Sales, Business Communications, and customer-facing procedures prepares graduates for client-facing positions across retail, financial services, and B2B environments.
Accounting or bookkeeping assistant
Accounting support roles involve journal entries, accounts payable and receivable, bank reconciliation, and month-end reporting.
The diploma covers Accounting Fundamentals, Financial Accounting, QuickBooks, Simply Accounting (Sage 50), Income Tax Fundamentals, and both Payroll Fundamentals courses — a set of practical skills that directly addresses what employers expect from an accounting hire with a diploma in business administration.
Business development or import/export administrator
Central College’s program includes international trade and supply chain management content.
Graduates interested in trade can pursue roles as business development administrators, customs clerks, or trade coordinators — career opportunities where local credentials in Canadian business practices signal familiarity with the regulatory climate employers value.
Entry-level roles vs roles that need experience
Not every role a diploma in business administration unlocks is accessible on the first day after successful completion. Some require the credential plus relevant work experience.
Roles accessible on graduation: administrative assistant, accounting support clerk, customer service representative, HR assistant, junior marketing coordinator, accounts payable clerk, data entry administrator. These roles align with the practical skills built into the diploma program’s coursework and practicum.
Roles that typically need 1–2 years of experience first: office manager, business manager, operations coordinator, financial supervisor, HR generalist. These positions carry broader business decision making responsibility, and most employers expect candidates who have already applied the fundamental skills in a real setting before moving into them. The field practicum starts that process — but it takes time to build on.
Roles that may need additional credentials: business consultant, project management lead, and management roles at multinational organisations. The business administration diploma provides a solid foundation and the essential skills to grow toward these tracks, but most require a combination of experience and further professional development. The Post-Graduate Diploma in Project Management at Central College offers one pathway forward.
How the Business Administration Diploma prepares you
Central College’s Business Administration Diploma Program is structured around 26 subjects that cover every core function of modern business management.
The program spans 3 academic years and 2,220 total hours — students do not complete a shorter certificate; this is a full diploma program built around hands-on experience and applied learning.
The 320-hour field practicum puts students inside a real organisation before they graduate.
That component is where business environment knowledge from the classroom gets applied to actual financial statements, real customer care situations, and live business decisions — not simulations.
Graduates leave with practical knowledge of what working in administrative services or a business team actually looks like, which employers treat differently from purely academic experience.
On the technical side, the program develops proficiency in Microsoft Office Suite (including Excel, Word, PowerPoint, and Access), Simply Accounting (Sage 50), Sage 300 ERP ACCPAC, QuickBooks, and Statistics using SPSS.
These are not secondary modules — each is a discrete subject in the 26-course structure. Alongside the software training, students develop skills in business communications, financial statement analysis, the marketing process, project management, human resources, and business ethics.
The curriculum also covers entrepreneurship and business development — useful for graduates who want to understand how organisations grow, not just how they operate day to day.
Frequently asked questions
What is a business management diploma?
A business management diploma is a post-secondary credential that covers accounting, marketing, human resources, project management, and operations across a structured program.
In Ontario, it typically takes one to three years to complete and prepares graduates for administrative, management, and business support roles without requiring a full university degree. Central College’s program takes 3 academic years.
What can you do with a business administration diploma in Ontario?
Graduates work across administrative services, HR, marketing, accounting support, customer service, and sales.
Entry-level roles are accessible on graduation; office manager and business manager roles usually require one to two years of experience first.
Mississauga’s economy — spanning finance, logistics, and technology — offers new graduates a wide range of employers to approach.
What is a business administration diploma?
A diploma in business administration is a credential that combines foundational courses in accounting and finance with applied training in marketing, communications, human resources, and management.
It is broader than a business administration certificate and more employment-focused than a university degree program. It includes practical components like field placement rather than purely academic study.
Is a business diploma worth it for someone with a busy schedule?
Yes, for candidates who want to enter the workforce within three years without committing to a four-year university degree.
The hands-on experience component means graduates have documented practical skills from day one.
Mature students and working professionals can qualify through alternate admission pathways at Central College — Ontario Secondary School Diploma is not an absolute requirement for everyone.
What is the co-op term in the business administration diploma?
The co-op term at Central College is the 320-hour field practicum built into the program.
Students complete supervised work in a real business environment, applying the accounting, communications, marketing, and administrative skills covered in class.
This co-op term hands on experience connects coursework to actual business decisions and prepares graduates for employment after successful completion.
About Central College of Business & Technology
Central College of Business & Technology is a registered private career college in Mississauga, Ontario, specialising in business administration, technology, healthcare, and early childhood education programs.
Located at 1140 Burnhamthorpe Rd W, #201, Mississauga, ON L5C 0A3. Contact: +1 905-566-0507 | info@central-college.ca
The college’s Business Administration Diploma Program combines classroom instruction across 26 subjects with 320 hours of field practicum — giving graduates practical skills and credentials Ontario employers look for in business administration hires.
Service area
Central College serves students from across the Greater Toronto Area, including Mississauga, Brampton, Oakville, Etobicoke, Streetsville, and Toronto.
Graduates from the Mississauga campus enter a regional job market that includes the GTA’s major financial institutions, logistics companies, life sciences employers, and the 670-plus multinational head offices located in Mississauga itself.
Next step
Review admission requirements, the full subject list, and program schedule on the Business Administration Diploma Program page at Central College of Business & Technology, Mississauga.