Marketing & Advertising in Dunnville, ON

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Promotional Products

Rainbow Marketing

Dunnville, ON

Seamless Print & Promo, formerly Rainbow Marketing, is a print and promotional products company in Dunnville, Ontario, founded in 1981. It supplies custom printing, branded and corporate apparel, promotional products, design services, and tradeshow displays and signage to businesses across Haldimand, Niagara and Hamilton. The company adopted its new name in 2026 under the same ownership and team.

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