Product development means selling something new to the customers you already have. Not a new market, not a new type of business, just a better or additional offering aimed at the people who already buy from you. It is the growth move most businesses reach for when sales have flattened but the customer base is still solid.
The idea comes from a framework the strategist Igor Ansoff published in the Harvard Business Review in 1957, which sets out four ways a company can grow: sell more of what you have to the people you already serve, take what you have to a new market, build something new for your existing market, or do both at once. Product development is the third of those. It carries more risk than pushing harder on your current range, and considerably less than entering a market you do not know.
When is product development the right growth move?
Four signals usually point this way.
Your customers keep asking for something adjacent. If the same request comes up in sales conversations month after month, that is unmet demand from people who already trust you.
Revenue has plateaued while customer numbers hold steady. You are not losing people, you have simply sold them everything you make.
Your main market is shrinking for reasons outside your control. Budgets move, regulations change, a category goes out of fashion. Waiting it out is a decision too, and usually the wrong one.
A competitor has released something your customers now expect as standard. At that point development is not growth, it is keeping up.
If none of those apply and the real problem is that not enough people know you exist, product development is the wrong tool. Fixing your positioning and pricing is cheaper and faster, and our pricing guide for small businesses is the better starting point.
The stages of product development, and where they go wrong
The sequence below is standard. What matters is the discipline of deciding, at the end of each stage, whether to continue or stop.
- Generate ideas. Pull from the people closest to the customer: sales staff, delivery teams, support. The best product ideas in a small business usually already exist inside it, in the head of whoever fields complaints.
- Screen them. Cut the list against what you can actually build with the money, skills and suppliers you have. Ambition is not the constraint here, capacity is.
- Test the concept before you build anything. Describe the product to twenty real customers and ask what they would pay. This is the cheapest stage to be wrong in, and the one most often skipped.
- Do the market research properly. Size the demand, study what competitors charge, and work out your price and margin before you commit to production. Our guide on how to conduct market research covers the methods.
- Build a prototype or a pilot. For a service business this is a limited version delivered to a handful of clients at a reduced fee.
- Test with a small batch. Sell to a controlled group, watch what they actually do rather than what they say, and adjust. Businesses that grew out of exactly this kind of listening are worth reading about in how customer feedback produced a winning business idea.
- Launch, then keep measuring. Check whether the new product is bringing in additional revenue or simply moving existing customers off an older line at a lower margin. That distinction decides whether the project worked.
Check the compliance requirements before you build, not after
This is the stage local businesses most often get wrong, and it is expensive to discover late.
If you are making a physical product, find out early whether it falls under a compulsory specification administered by the National Regulator for Compulsory Specifications. Electrical goods, certain foodstuffs, automotive components and a range of other categories cannot be sold legally without it. Voluntary certification through the South African Bureau of Standards is separate, and often what a large retailer will ask for before they list you.
Anything that transmits a radio signal, which now includes a surprising amount of ordinary equipment, needs type approval from ICASA. Food and cosmetic products carry labelling requirements of their own. Building the product first and asking about approval afterwards has ended more launches than weak demand has.
How one local business used this to survive a shrinking market
Velly Bosega of Adclick Africa built the business on selling advertising space across the continent. When ad spend contracted, holding the existing offering steady and waiting for budgets to return was not viable.
The response was a product development move rather than a cost-cutting one. Adclick introduced Wi-Fi advertising as part of its media offering, which reached a mass-market audience the existing products could not, and opened the door to fast-moving consumer goods clients who had not been buyers before.
Two things are worth taking from that. The new product was built on infrastructure and relationships the business already had, so it was not a leap into unfamiliar territory. And it was aimed at a shift in what the market wanted, not at what was interesting to build.
Improving what you already sell is usually the cheaper win
A new product is not the only option, and often not the best one. Improving an existing line uses tooling, suppliers, staff knowledge and customer relationships that are already paid for, which is why the technology sector runs on iteration rather than reinvention.
Practical versions of this include repackaging into a smaller or larger size for a different price point, bundling two things customers already buy together, adding a service layer such as installation or support to a physical product, or removing features to create a cheaper entry-level version for customers who currently cannot afford you. Each of those is faster to test than a new product and reversible if it does not work.
What it costs, and where the funding is
Development costs money before it earns any, which is the reason most small businesses stall at the prototype stage.
The Support Programme for Industrial Innovation, run by the Department of Trade, Industry and Competition, exists for exactly this gap. Its matching scheme covers a share of qualifying development costs up to a maximum grant of R5 million. The share depends on ownership: 50% for enterprises with 0 to 25% black ownership, 65% for those between 25.1% and 50% or majority owned by women or people with disabilities, and 75% above 50% black ownership. It is a grant, not a loan, and it is aimed at the development phase, meaning after basic research and before a production prototype.
The Technology Innovation Agency funds technology development at a similar stage. Broader options, including the development finance institutions, are set out in our guide to government funding for small businesses.
Whichever route you take, keep the development spend ring-fenced from working capital. A product that launches successfully while the business runs out of cash paying for it has not solved anything.
Frequently asked questions
What is a product development strategy?
It is a growth strategy in which a business creates new products, or meaningfully improves existing ones, for the market it already serves. It sits alongside market penetration, market development and diversification in the Ansoff framework.
How long should product development take?
There is no standard answer, but the concept testing and market research stages should be measured in weeks and cost very little. If those two stages are taking months, the business is usually avoiding a decision rather than gathering information.
How much of my revenue should go into developing new products?
Rather than fixing a percentage, size it against what the business can lose without threatening payroll or supplier payments. Set that figure before you start, and treat it as the point at which you stop and reassess.
Do I need to protect a new product before launching it?
If it involves a genuine invention, consider a patent application through the CIPC before any public disclosure, because disclosure can defeat novelty. For most products the practical protection is a registered trade mark and speed to market.
What is the difference between product development and diversification?
Product development sells something new to your existing customers. Diversification means a new product and a new market at the same time, which carries the highest risk of the four growth routes because nothing is familiar.
Where to start this week
Ask the three people in your business who speak to customers most often what gets requested and cannot currently be supplied. Take the request that comes up most, describe it to twenty existing customers, and ask what they would pay for it. That costs nothing, takes a few days, and will tell you more than a quarter of internal planning. Fitting it into a wider plan is covered in our guide on implementing a business growth strategy that works.
This article was updated in September 2026.
