Fashion, male grooming, watch and sports drink brands are most likely to covet the rising British star of motorsports.
Last weekend Hamilton, 22, finished second in the Bahrain Grand Prix to become the first F1 debutant to secure three consecutive podium finishes.
McLaren does not allow its drivers to work with external brands and a team spokeswoman would not comment on whether Hamilton would be allowed to seek future endorsement deals.
However, Nigel Currie, director at Brand Rapport, believes McLaren would bend its rules to accommodate Hamilton. 'If it wants the best driver it has to make some concessions,' he said.
Seven-time world champion Michael Schumacher is estimated to have earned a cumulative £40m a year from wages and personal endorsements.
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