Business quality
Studies the characteristics that may let a company sustain strong economics and reinvest profit over extended periods.

Perimeter Reading / Investing
Pieter
Research on quality businesses and long term compounding, combining investing lessons with company analysis, valuation work and updates on the publisher’s own portfolio.
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The publication
Compounding Quality organizes its research around finding durable businesses and deciding what they are worth. The publication combines general investing education with individual company cases and portfolio discussions. Its stated schedule assigns different kinds of material to Tuesday, Thursday and Sunday, giving regular readers a familiar rhythm. A free subscription offers a way to sample the approach, while paid membership opens the fuller research and portfolio service. Readers will get most from it by comparing the underlying assumptions with their own company analysis.
Investors who want a structured quality investing process and are willing to study company economics, valuation assumptions and portfolio decisions in detail.
Inside the reading
Studies the characteristics that may let a company sustain strong economics and reinvest profit over extended periods.
Connects company analysis with valuation work so readers can examine the assumptions behind an investment case themselves.
Shares portfolio related material and investing lessons that show how individual company research fits into a broader approach.
The Desk’s reading note
For each company case, separate the evidence of business quality from the assumptions that make its valuation attractive.
Keep a question, an idea to investigate, or a source to return to in your saved notes.
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