Liam Bircham from N2O shares five tips for brands to engage effectively on TikTok. He advises brands to identify and connect authentically with specific communities (#CommunityTok), use genuine creators, and cater to the audience's interests, such as nostalgic or instructional content. Staying updated with TikTok trends and using interactive tools like sample requests also strengthen engagement. These strategies enhance emotional connections and encourage user interaction, crucial for building a loyal TikTok community.