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Medium Profitability Growth Strategy

Wen Windows

#Windows #Manufacturing #Windows/Home Improvement

Practice this intermediate profitability case interview question from LEK in the Windows sector. Includes detailed problem prompt, clarifying questions, structured framework, and expert recommendation. Part of ProHub's 835+ consulting case library.

ProHub Comment

This is an interviewer-driven revenue growth case requiring candidates to structure an approach to reverse market share decline in a fragmented, commoditized industry. The case tests ability to diagnose root causes (market dynamics, competitive positioning, internal capabilities), identify growth levers, and execute a quantitative analysis on profitability thresholds for new products.

Estimated Time 26 minutes
Difficulty Medium
Source PeterK
31 / 100
Wen Windows is a vertically integrated window producer, with six manufacturing facilities and 30 service centers around the U.S. Their sales grew until 2019 when the company started losing its market share. They generated $150M in sales in 2019. The CEO has hired you to help them turn things around and boost their sales. The case was in early 2020 (before the pandemic).

Clarifying Information

  1. The vertical integration implies that Wen Windows makes their own glass units, vinyl components, fiberglass frames, etc.
  2. Wen Windows works with both B2C and B2B
  3. Wen Windows already offers a wide variety of windows, but still keeps innovating
  4. The size of U.S. window market is around $15B
  5. The space is quite fragmented with a lot of players
  6. No revenue goals provided
Mock Interview
Interviewer

Wen Windows is a vertically integrated window producer, with six manufacturing facilities and 30 service centers around the U.S. Their sales grew until 2019 when the company started losing its market share. They generated $150M in sales in 2019. The CEO has hired you to help them turn things around and boost their sales. The case was in early 2020 (before the pandemic).

You

Thanks. Before analyzing, I'd like to clarify a few key questions...

Interviewer

Good question. Let me provide some background information...

You

Based on this, I suggest analyzing from these dimensions...

AI Score
Structure Analysis Communication Business Sense Quantitative
Practicing...
Score coming soon
Practice this case with AI Mock Interview

Wen Windows, a vertically integrated window manufacturer with $150M in 2019 sales, faces market share erosion and must identify strategies to reverse this trend. Four core questions address market share recovery strategy, vertical integration advantages, risks of smart window innovation, and break-even analysis for an unprofitable energy-efficient model.

Key Insights:

  1. Market structure matters: fragmented, location-driven industry with low margins suggests differentiation through service/proximity rather than pure product competition
  2. Vertical integration provides cost and quality advantages but requires scale; the company’s market share loss indicates these benefits may not be translating to competitive advantage
  3. New product development (smart windows) carries market, financial, and operational risks; nascent market may be too small or too competitive for a mass-market producer
  4. Break-even analysis reveals tension between product economics: tripling sales from 2k to 5.6k units annually is ambitious; candidates should contextualize whether this is achievable given market constraints

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