3C Analysis
3C Analysis
What Is 3C Analysis?
- Cover all three angles: customer, competitor, company
- Strategy starts where all three overlap
- Always start with the customer; put your own company last
What 3C really changes is not the amount of analysis but the order in which people speak in the meeting. Most new-business meetings start from “Our plant runs at 60% utilization, so let’s find something to fill it,” and from that moment every piece of data collected is used only to defend a conclusion already reached. 3C is set up so you cannot move to the next box while the customer box is empty, structurally preventing the habit of fixing the conclusion first and attaching evidence afterward. It is more accurate to see it as a tool that changes how discussion proceeds, not as a report template.
The three boxes each have their own rules for filling them in. The customer box is useful only when it goes beyond demographics like 'office workers in their 30s–40s' to 'why they spend money,' that is, the purchase decision factors; in practice, repeated complaints start to stand out after roughly 8–15 interviews. The competitor box is not a list of industry peers but 'everything the customer is currently spending that budget on,' so Excel, existing staff, and even 'doing nothing' belong on the list. The company box is not a list of strengths; it answers yes or no on whether we meet the success conditions derived from the first two boxes. If Five Forces covers the profitability of the industry structure and SWOT summarizes the implications, 3C comes before both, as the step where you gather facts.
The most common mistake in practice is using 3C as the table of contents for a research report. If you fill each of the three boxes with ten pages and end up with a 30-page document that has no 'so here is what we should do' at the end, that is data compilation, not analysis. The conclusions of the three boxes must ultimately tie into a single sentence, and if that sentence won’t come, go back and find which box was filled with guesswork. Another mistake is filling the competitor box only from the other company’s website and press releases. A team that bought the product and requested quotes and a team that only ran searches can look at the same market and reach opposite conclusions. 3C also has a shelf life: if you refresh only the company box while leaving the customer box on two-year-old data, the whole organization ends up running toward demand that has already disappeared.
John KimInstructor John Kim, CEO of Nanum Consulting and author of “B2B Marketing Design”
Kwangdong MinExpert in business models, revenue models, and market researchManagement consultant Kenichi Ohmae, former head of McKinsey’s Japan office, introduced it as the 'Strategic Triangle' in his 1982 book The Mind of the Strategist. His core argument is that a sustainable strategy emerges when the three corners (customer, competitor, and company) are in balance.
Let’s look at a hypothetical case: Company A, an office furniture maker with 90 employees and KRW 22 billion (≈ US$16,459,700) in annual revenue. As remote work took hold, sales of its core office desks and chairs fell 28% over two years, and management set a six-week deadline to decide whether to enter the home-office market.
- In the first meeting, the head of strategy put up a slide titled 'our factory’s bentwood processing technology,' and the CEO said, "That’s the third box. Let’s start with the customer," and reset the order to customer → competitor → company.
- Two sales team members spent two weeks interviewing 34 office workers who work from home three or more days a week, and 19 of them repeated the same point: "I need a chair more than a desk, but my narrow entryway makes large deliveries scary."
- When the online business team lead opened 1,200 inquiry logs from the company’s own online store, 41% concerned assembly or delivery, and the top return reason was also 'failed assembly,' putting a number on the size of the complaint.
- The planning team bought chairs directly from five online furniture brands. Delivery averaged 6.2 days, and every one required customer self-assembly; not a single one offered in-home installation.
- The logistics lead calculated whether installers at 27 dealerships nationwide could be deployed on weekends, and concluded that in the Seoul metropolitan area in-home installation is possible within 2 days of order, at a cost of KRW 38,000 (≈ US$28) per job.
- With the single line 'installed at your home within 2 days', they launched the home office line in June. Cumulative sales over six months reached KRW 1.9 (≈ US$1) billion, and the return rate fell from 7.4% to 2.1%.