Byron Sharp vs Al Ries: Reach and Availability or Focus and Differentiation?
Comparing Byron Sharp's How Brands Grow with Al Ries's positioning and focus: where the two views of brand growth conflict, what evidence each rests on, and when each fits.
Few debates in marketing are as sharp as the one between differentiation and reach. Al Ries and Jack Trout's positioning tradition says brands win by owning a distinct idea. Byron Sharp's How Brands Grow, built on decades of purchase data, says growth comes mainly from reaching more buyers and being easy to remember and buy. People compare them to decide where to put marketing effort.
What is the core difference?
Ries and Trout assume that buyers hold few brand ideas in memory, so a brand needs a sharp, different idea that it can own. Focus, narrowness, and being first in a category are the means.
Sharp's starting point is how people actually buy. Most buyers buy a category rarely and across several brands, so growth comes from reaching all buyers, staying familiar, and being easy to buy. Distinctiveness matters, but as recognizable assets, not necessarily a different benefit.
One says be different and focused. The other says be everywhere and recognizable.
What do Ries and Trout say?
In Positioning: The Battle for Your Mind (1981), Al Ries and Jack Trout argue that the key task of marketing is to occupy a distinct place in the prospect's mind. Ries's Focus (1996) argues that companies grow stronger by narrowing what they stand for. The 22 Immutable Laws of Marketing (1993), by Ries and Trout, offers rules such as leadership and category creation.
Their work is argument by example, drawn from decades of advertising and consulting. Ries died in 2022 and Trout in 2017. Their ideas shaped how generations of marketers talk about brand, though they have been criticized for lacking systematic evidence.
What does Sharp say?
Byron Sharp is a marketing scientist and director of the Ehrenberg-Bass Institute for Marketing Science at the University of South Australia. How Brands Grow (2010) builds on the empirical work of Andrew Ehrenberg and others. He argues, citing purchase data, that brands grow mainly by gaining more buyers, that most buyers are light and not exclusively loyal, and that differentiation matters less than marketers believe.
He recommends broad reach, distinctive brand assets such as colors, logos, and characters, and being easy to find and buy. The book is combative toward conventional marketing wisdom, and the Institute's findings have been debated, including in the business-to-business setting.
How do they compare?
| Dimension | Sharp | Ries and Trout |
|---|---|---|
| Main driver of growth | Penetration through mental and physical availability | A distinct, focused position in the mind |
| Role of differentiation | Limited; distinctiveness of assets matters more | Central |
| Targeting | Reach all category buyers | Focus on a narrow idea and often a narrow segment |
| Loyalty | Modest; most buyers are light and switch | Positions build preference |
| Evidence | Consumer purchase data and empirical laws | Case examples and argument |
| Typical category | Fast-moving consumer goods, repeat purchase | Wide range, often advertising-led |
| Best known for | How Brands Grow (2010) | Positioning (1981, Ries and Trout) |
When does each one fit?
Sharp's view fits when you sell to a broad market with repeat purchasing and have the budget to build reach. It suggests investing in awareness, availability, and distinctive assets, and being cautious about narrowing the audience.
Ries and Trout's view fits when you are small, competing against larger rivals, or in a market where buyers choose on a specific need. A clear, narrow idea can make a modest budget go further.
The fit depends on scale, category, and how buyers choose. A small B2B firm with a handful of prospects is in a different position from a national snack brand.
What does this look like in practice?
A challenger beverage brand has a small budget. A Ries-style approach would pick a narrow position, say the drink for a specific occasion, and own it with consistent messaging, avoiding a broad story it cannot afford to tell.
A Sharp-style approach would ask who the category buyers are, how to reach them all over time, and how to be present in shops and memory with a recognizable look. It would be wary of excluding light buyers. In practice a small brand often has to choose where to concentrate first and must accept that its reach is limited. The disagreement is real, and the budget changes how it applies.
"Our brand is [description] with a budget of [size] in [category]. Tell me how Byron Sharp's view (broad reach, distinctive assets, mental and physical availability) and Al Ries's view (focused position, differentiation) would each judge our current marketing. Name where they would give opposite advice, and what evidence from our own data would help decide."
Why it works: making the opposite advice explicit turns a philosophical debate into a testable question about your market.
Can you use both together?
In part. Both want consistency and a clear, memorable idea. A brand can use a focused message while also working to reach more of the category and stay easy to buy. The conflict is about audience and differentiation, which a company with limited funds must resolve by choosing.
Treating either as settled doctrine is risky. The practical step is to test in your own category.
"Design a simple test, such as a sequence of campaigns or a regional comparison, to see whether narrowing our message to one specific idea or widening our reach with a consistent look performs better for [goal] over the next two quarters. Specify the measures, the expected effects under each view, and what result would change our minds."
Why it works: a measurable test lets your own data arbitrate between two confident schools.
Where to go next
Byron Sharp and Al Ries both sit in the Marketing & Sales category, along with Jack Trout. For the originals, read How Brands Grow by Sharp and Positioning by Al Ries and Jack Trout. To read a competitor's marketing for positioning moves, Steal Like a Strategist is a $49 tool built for it.
Frequently asked questions
Do Sharp and Ries really disagree?
On one central point, yes. Ries and Trout argue that brands win by owning a distinct position in the mind, which implies differentiation. Sharp's How Brands Grow (2010) argues, from purchase data, that brands grow mainly by increasing penetration through mental and physical availability, and that differentiation matters less than marketers assume. Each side defends its view with different kinds of evidence.
What is mental and physical availability?
In Sharp's account, mental availability is how easily a brand comes to mind in buying situations, built through distinctive assets and broad reach. Physical availability is how easy the brand is to find and buy. He argues these drive growth because most buyers are light buyers who buy infrequently and are not especially loyal. Sharp's argument is that the pattern is regular enough across categories to guide planning, though he accepts that categories differ in details.
What is double jeopardy?
It is an empirical pattern, studied by Andrew Ehrenberg and cited by Sharp, in which smaller brands have fewer buyers and those buyers are also slightly less loyal. It implies that growth comes mainly from gaining more buyers, not from raising loyalty. It is based on repeated patterns in consumer panel data across categories. The pattern helps explain why growth strategies that try to raise loyalty among existing buyers often disappoint compared with reaching new ones.
Is Sharp's work only about consumer goods?
Most of the underlying evidence comes from fast-moving consumer goods and similar categories with repeat purchasing and good panel data. The Ehrenberg-Bass Institute has since studied other categories, including some business-to-business ones. Critics argue that results may not transfer to every market. Check the evidence in your own category before assuming the same laws apply. For a small firm or a niche market, ask whether the conditions behind the panel data, such as many light buyers, actually apply to you.
Where do Ries and Trout stand today?
Al Ries died in 2022 and Jack Trout in 2017. Their ideas on positioning and focus remain influential in marketing teaching. They rest on case examples and argument, not large-scale purchase data, which is one reason empirical marketing scientists like Sharp challenge them. Their value is in clarity of thinking rather than statistical proof. The more useful way to treat their work is as clear statements of a way of thinking, tested by the results you see in your own market.
Can AI settle the disagreement for me?
It can summarize both arguments, list the evidence each cites, and design a test for your own market. It cannot tell you which is right for your category. Use it to organize the debate, then check your own data on reach, repeat purchase, and the customers you actually win. Keep the decision about your own category and budget with people who can see your sales and customer data.
Written by Gareth Hoyle. Last updated 8 October 2026. Part of the authority.md guides library.
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