Creating a comprehensive list of platforms and strategies to share a 5-star client review can significantly enhance your visibility and attract new clients. Here's a detailed strategy encompassing various platforms and approaches:

Online Travel Platforms

1. TripAdvisor: A leading platform for travel reviews, ideal for sharing client experiences with a broad audience.
2. Expedia Group: Includes Expedia.com, Hotels.com, and Travelocity, allowing for reviews on hotels, flights, and packages.
3. Booking.com: Primarily for accommodations but a key site where potential travelers look for real experiences.
4. Airbnb: If you offer vacation rentals or experiences, sharing reviews here can attract those looking for unique stays.

Social Media Platforms

1. Facebook: Use your business page to post reviews, create engaging content around them, and run targeted ads.
2. Instagram: Share visually appealing posts or stories featuring snippets of the review, and use relevant hashtags to increase visibility.
3. Twitter: Tweet the review, using hashtags like #travel, #vacation, or #TravelTuesday to join broader conversations.
4. LinkedIn: Share the review to highlight your professional success and services to a network of professionals who might be planning business trips or corporate retreats.
5. YouTube: Create a video testimonial or a vlog discussing the review and the client's experience in detail.

Your Website and Blog

1. Testimonials Page: Create a dedicated section on your website for client testimonials and reviews.
2. Blog Posts: Write detailed blog posts about the trips you've organized, incorporating client reviews and feedback.
3. Homepage Features: Highlight the review prominently on your homepage to immediately capture visitors' attention.

Email Marketing

1. Newsletters: Share the review in your email newsletters to subscribers as part of regular content or in a dedicated section highlighting client stories.
2. Email Signatures: Include a snippet or a link to the review in your email signature as a subtle way to promote positive feedback.

Local and Niche Platforms

1. Google My Business: Post the review here to improve local search visibility and credibility on Google.
2. Yelp: Particularly for U.S.-based agents, Yelp can be a useful platform for sharing client feedback.
3. Niche Travel Forums and Websites: Post or share the review in forums and on websites related to specific travel interests (e.g., Lonely Planet, Fodor's, travel forums for specific destinations).

Professional Networks and Associations

1. Travel Agent Networks: Share your review within professional networks or associations you're a member of, as they often have platforms for showcasing member achievements.
2. Industry Conferences and Events: Utilize opportunities at events to share your successes, either through networking, presentations, or in event materials.

Creative Content Sharing

1. Infographics: Create an infographic summarizing the high points of the review and the trip.
2. Client Review Videos: With client permission, create a video testimonial to share across platforms.

When sharing reviews, always ensure you have the client's permission to use their feedback publicly. Tailor the content to fit the platform you're using, keeping in mind the unique audience and format each one offers. This multi-channel approach maximizes your reach and showcases your successes to a diverse audience, effectively attracting new clients to your travel agency.