Eight Business Functions Entrepreneurs Should Know

Reading Time: 4 minutes
Add as a preferred source on Google

Eight business functions entrepreneurs should know

Last updated: September 2026. Every business performs the same eight functions whether or not anyone is assigned to them. In a small business the owner does all of them at once, which is why things fall over: not because a function is missing, but because nobody noticed it was being neglected. Knowing what the eight are gives you a checklist for what is quietly not being done, and an order for what to hand over first as you grow.

1. Sales and marketing

Marketing creates awareness, sales converts it. They are different activities and owners who are good at one are often poor at the other.

The failure in small businesses is doing this only when work is short. Selling in a busy month is what prevents the quiet month two months later, because most sales cycles are longer than people plan for. Treat it as a weekly activity regardless of how full the order book looks.

2. Finance

Not bookkeeping, which is recording what happened. Finance is deciding what to do: pricing, what to spend, whether to take on debt, and whether the business can fund what it has committed to.

The measures that matter weekly are cash position, money owed to you and the days customers take to pay. Profit and cash are different, and businesses close while profitable because money on paper does not pay wages.

3. Operations and production

Actually delivering the thing you sold, at consistent quality and cost. This is where margin is won or lost after the price is set.

The discipline is knowing what one unit or one job genuinely costs to deliver, including rework, travel and the hours nobody invoices. Most small businesses underprice because they never counted those.

4. Purchasing and supplier management

In any business that resells or manufactures, margin is set when you buy, not when you sell. Buying better is usually easier than selling more.

Price from more than one supplier, negotiate terms rather than accepting them, and avoid depending on a single supplier for anything critical. A supplier who fails you becomes your failure in front of the customer.

5. Human resources

The moment you employ someone this stops being optional. Written particulars of employment, accurate time and pay records, UIF registration and a documented process before dismissing anyone are legal obligations, and the requirements are set out by the Department of Employment and Labour.

Beyond compliance, this function covers hiring, training and whether people stay. Staff turnover is expensive in ways that rarely appear in the accounts: lost knowledge, recruitment time and the quality dip while someone new learns.

6. Customer service

It costs far more to win a customer than to keep one, which makes this a financial function rather than a courtesy.

What matters most is how you handle things going wrong. A complaint resolved well produces a more loyal customer than one who never had a problem. Being reachable and responding quickly is most of it, and it is where small businesses can genuinely beat larger competitors.

7. Administration and compliance

Registration and annual returns with the Companies and Intellectual Property Commission, tax filing, sector licences, insurance and record keeping.

This is the function owners most enjoy neglecting, and it gates everything worth having. Corporate contracts, tenders, supplier development programmes and funding all verify compliance before they look at the business. Lapsed annual returns can lead to deregistration, which is far more expensive to reverse than to prevent.

8. Information technology

The systems that run the business: accounting software, point of sale, the website, email, and where your data lives.

Two things matter more than the rest. Back up, and check that the backup restores, because most people discover their backup was broken at the worst possible moment. And take data protection seriously, since customer information carries legal obligations regardless of business size.

How to use this as an owner

Go through the eight and mark which ones nobody actually did last month. That list is your problem, and it is usually the same two or three every time.

When you can afford to hand something over, start with the function you are worst at rather than the one you like least, and start with the recurring parts that can be written down. The test of whether delegation has worked is simple: what breaks if you are unreachable for two weeks.

Frequently asked questions

What are the eight business functions?

Sales and marketing, finance, operations, purchasing, human resources, customer service, administration and compliance, and information technology.

Which one do small businesses neglect most?

Administration and compliance, closely followed by selling during busy periods. Both cause problems that appear months later.

Why is customer service a financial function?

Because retaining a customer costs far less than acquiring one, and how you handle complaints determines whether they stay.

When does HR become a legal obligation?

The moment you employ anyone. Written particulars, pay records, UIF registration and fair dismissal procedures apply from the first employee.

What should I hand over first?

The function you are worst at, starting with the recurring parts that can be documented, rather than the tasks you simply dislike.

How do I know which function is failing?

List the eight and mark what nobody did last month. The gaps repeat, and they are usually the cause of whatever problem you are currently firefighting.

Tshepho Joel - author photo

Edited by
Tshepho Joel

Tshepho Joel is an experienced digital strategist with a proven track record of lifting user retention, leads, and revenue. Drawing on a robust background in performance marketing, he brings a data-driven, results-first eye to his work. Above all, he is dedicated to helping South African entrepreneurs start, fund, and grow their businesses.

Get Weekly 5-Minutes Business Advice

Global Subscription Form
Global Subscription Form