WCAG level A and level AA + B2B + SEO Website Build

I need a new B2B website that immediately builds trust with visitors by showcasing in-depth case studies, client success stories, our company history, team values, certifications, awards, and a visual gallery of completed projects... (Budget: €250 - €750 EUR, Jobs: Accessibility, B2B Marketing, HTML, PHP, SEO, Web Development, Website Design, WordPress)