A Thought Leadership Paper
COMPETITIVE ADVANTAGE: The Only Strategy That Matters
Most organisations believe they have a strategy. In reality, many simply have a plan, a budget, or a list of initiatives. Strategy is something more precise: the creation of sustainable competitive advantage.
A SIXiS Strategy Briefing
Updated June 2026 | sixis.com.au
THE CORE IDEA
Competitive advantage is the reason customers choose you instead of someone else — and continue to do so.
Strategy thinkers such as Michael Porter, Richard Rumelt, A.G. Lafley & Roger Martin, and Cynthia Montgomery all converge on a common idea: strategy exists to create a position where a company can win consistently.
What Competitive Advantage Means
A genuine competitive advantage has three characteristics:
Customer Value
Customers perceive your offering as better in some meaningful way — whether through price, quality, convenience, service, or brand.
Relative Superiority
You perform that activity better than your competitors. Advantage is always relative, not absolute.
Durability
Competitors cannot easily copy or neutralise your position. If they can, your advantage is temporary at best.
How to Identify Your Competitive Advantage
Ask three practical questions to surface where your genuine advantage lies:
• What do we do exceptionally well? Look for capabilities that consistently outperform competitors.
• Where do customers repeatedly choose us? Examine behaviour such as repeat purchasing, referrals, and price tolerance.
• What capability would materially weaken us if removed? These are often hidden sources of advantage.
Testing Whether the Advantage Is Real
A claimed competitive advantage must pass three tests before it can be relied upon strategically:
Customer Test
Do customers recognise and value this advantage? An advantage that exists only in your own mind is not an advantage.
Competitor Test
Can competitors easily replicate what you do? Sustainable advantage is built on capabilities that are difficult or costly to imitate.
Economic Test
Does the advantage produce superior outcomes — stronger margins, faster growth, or higher retention? If not, reconsider whether it is truly an advantage.
CEO Diagnostic Questions
Use these questions to stress-test your current competitive position
| Question | Purpose |
|---|---|
| Why do customers choose us instead of our closest competitor? | Clarifies perceived advantage |
| Where do we consistently outperform competitors? | Identifies core capabilities |
| Which capabilities would be hardest for competitors to copy? | Tests durability |
| Where do we earn superior margins? | Confirms economic advantage |
| What would weaken our position if we lost it tomorrow? | Reveals hidden strengths |
The Strategic Takeaway
Competitive advantage is not a statement of intent. It is a structural reality — one that must be earned through deliberate choices about where to compete, how to win, and what capabilities to build. For SME leaders, the opportunity is significant: a well-defined, deeply understood competitive advantage is more accessible than
size or scale, and more durable than any single product or campaign.
The leaders who invest in genuinely understanding their advantage — and who continuously test and strengthen it — are the ones who build businesses that last. .
Key Insight: Strategy is the application of strength against weakness. — Richard Rumelt
SIXiS Strategy Intelligence Series
For further reading, facilitated strategy workshops, or bespoke advisory support,
contact info@sixis.com.au or consult the original works referenced in this paper.