Tetra Pak made them billionaires, and their estimated £7.5 billion comes from the cartons your milk and juice come in. They live a famously private life on a sprawling English estate. Practical tip: Never underestimate the value of everyday products—paper cartons, soap, zippers—these are the quiet moneymakers.
Top 10 Richest Men in the United Kingdom 2026 | Wealthiest British
