" Dear Boomerang Agency, I am writing this letter of recommendation on behalf of Yelo Bank to express our sincere gratitude for your excellent job in creating a sticker pack for our bank. Your team has been professional and demonstrated a great understanding of our brand. Moreover, your team was always responsive and communicative, keeping us updated on the progress and providing timely feedback and suggestions. "

" We would like to thank Boomerang Agency team for creating an amazing rebranding project for us. We hope to continue our partnership in the future. "