How to Co-Post on TikTok

Collaborating on TikTok is one of the fastest ways to grow your account, tap into new audiences, and create content that truly stands out. This guide breaks down exactly how to co-post on TikTok, from finding the right partner to executing a flawless collaboration that gets results.

What Exactly is a TikTok Co-Post (and Why Should You Care)?

A TikTok co-post, sometimes called a collaborative post, is a single video that appears simultaneously on the profiles of two different creators. Both contributors are tagged as authors, and the video shares the same view count, likes, and comment section across both accounts. This is different from a Duet or Stitch, where one user is reacting to or adding onto another's existing video. A co-post is a joint creation from the very beginning.

So, why is this so powerful for brand building? Three main reasons:

• Exponential Reach: When you co-post, you aren't just reaching your own followers, you're instantly reaching your collaborator's audience, too. It's a two-for-one deal that effectively doubles your potential exposure without spending a dime on ads. This cross-pollination introduces your content to a relevant, engaged audience that might not have found you otherwise.
• Instant Credibility: Partnering with another respected creator in your niche acts as a powerful form of social proof. It's a co-sign. When someone’s favorite creator collaborates with you, that trust and authority are extended to you by association. It tells their audience that you're worth checking out.
• Better Content Ideas: Let's be honest, the content creation treadmill can be exhausting. Collaborating brings a fresh perspective to your creative process. It forces you to think outside your own content box and leads to unique ideas that you might never have come up with on your own, making your feed more dynamic and interesting.

How to Plan a Successful TikTok Collaboration

A great collaborative post doesn't just happen by chance, it starts with a solid plan. Before you even hit record, you need to find the right partner and nail down your content idea.

Finding the Perfect Collaboration Partner

The success of your co-post hinges on choosing the right creator to work with. You're looking for someone who complements your brand, not necessarily someone who carbon copies it. Here’s what to look for:

• Audience Alignment: The ideal partner has an audience that overlaps with your target demographic but isn’t identical. For example, if you're a fitness creator specializing in yoga, partnering with a nutritionist or a running coach makes perfect sense. Their audience is interested in health and wellness but from a different angle. You share a target market without being direct competitors.
• Similar Engagement Metrics: Aim to partner with creators who have a similar follower count and, more importantly, a similar engagement rate (likes and comments relative to followers). A creator with one million followers but only a few hundred likes per video isn't as valuable as a creator with 50,000 followers who consistently gets thousands of likes and hundreds of comments. Look for genuine community interaction.
• Complementary Content Style: Style and vibe matter. If your content is fast-paced, high-energy, and humor-based, collaborating with a creator who makes slow, aesthetic, and minimal-style videos might feel disjointed. Your brands should feel like they belong in the same world, even if your topics differ slightly.
• Values Alignment: Do your research. Watch their videos, read their comments, and get a feel for their brand values. You want to partner with someone whose reputation and public persona align with your own.

Brainstorming Content That Serves Both Audiences

Once you've found your partner, it's time to brainstorm an idea that delivers value to both of your audiences. The best collaborative content feels like a natural fusion of your two brands. Avoid ideas where one person is just a prop in the other’s video.

A few ideas that consistently perform well:

• "Point-of-View" Switch: A classic where two creators show their different perspectives on the same activity. For example, a business coach and a graphic designer could co-post a "POV: You hired us to launch your brand" video, with each handling their side of the process.
• Challenge or Myth-Busting: Tackle a common challenge or debunk a myth within your shared industry. Two skincare experts could react to and rate popular "skincare hacks," sharing their combined knowledge.
• Collaborative Tutorial or How-To: Combine your skills into one super-valuable tutorial. A fashion creator and a makeup artist could co-create a "Complete Guide to Nailing Your Summer Look" video, covering both outfit and makeup.
• Co-hosted Q&A or Interview: Let your audiences get to know both of you. Announce the collaboration ahead of time and source questions from both of your communities, then film a Q&A session where you both answer.

The key is to create something that feels like an event, not just another video. It should be bigger and better precisely because you made it together.

How to Co-Post on TikTok: A Step-by-Step Guide

Right now, TikTok is in the process of rolling out a native "Collaborative Post" feature just like the one on Instagram, but it isn't available to everyone just yet. In the meantime, there is an official method using tagging and branded content tools that accomplishes a similar goal. And when the new feature arrives, you’ll know exactly how it works.

Method 1: Using Tags and the Branded Content Toggle (Available Now)

This method doesn't merge the posts into one shared view count, but it's the current best practice for giving a partner credit, ensuring transparency, and officially linking the collaboration so both creators can benefit from analytics and promotion options.

1. Create Your Video: The two of you will need to decide who is physically posting the video to their account. Film and edit your collaborative masterpiece just like you would any other TikTok.
2. Navigate to the Post Screen: After editing, proceed to the final screen where you write your caption and adjust your settings.
3. Mention Your Partner in the Caption: The first step is to write a compelling caption that includes a tag for your collaborator. Use the "@" symbol followed by their username (e.g., "...had a blast filming this with @[username]!"). This creates a clickable link to their profile.
4. Tag Them in the Video Itself: Tap the "Tag people" option. Search for their username and tap to tag them. This pins their tag onto the video itself, making the collaboration even more obvious.
5. Use the "Branded Content" Toggle (for paid partnerships): If your collaboration is part of a paid sponsorship or includes an ad, you must disclose it. Tap on "More options," then toggle on "Branded content." This allows you to link the post to your campaign and gives your brand partner the ability to see analytics and use the post as a Spark Ad. It adds a disclosure like "#Ad" to the video.
6. Post and Promote: Hit publish! Both creators should then share the link to the video on their other social channels (like Instagram Stories) to drive traffic to the post.

Method 2: Using the New Native "Co-Post" Feature (Rolling Out)

This is the feature that mimics Instagram’s Collab Posts, and it's slowly becoming available to more creators. When you get it, this will be the easiest way to co-post. Be on the lookout for an "Invite collaborator" button on your post screen.

Here’s how it's expected to work:

1. The Primary Creator Posts the Video: One of you creates the video and goes to the publishing screen.
2. Invite the Collaborator: On the post screen, you’ll see an option like "Invite collaborator." You'll tap this and search for the other creator's username.
3. The Collaborator Accepts the Invitation: After you send the invitation, your partner will receive a notification to approve the collaboration. They must accept it before the video goes live on both profiles.
4. The Video Appears on Both Profiles: Once accepted, the video will be published to both accounts. It will feature both of your profile pictures and usernames as authors and will share a single pool of views, likes, and comments. Anyone seeing the video on either profile will be interacting with the same post.

Since this feature is still in testing, the most reliable method for now is using the tagging and branded content options. But get ready for the native co-post feature, because it will be a game-changer for collaborations.

Best Practices for a High-Performing Collaboration

Just posting the video isn't the final step. To truly get the most out of your collaboration, you need to treat it like a mini-campaign.

Promote Heavily on All Channels

Don't just post and pray the algorithm picks it up. On the day your TikTok goes live, both of you should be actively promoting it everywhere. Share the video link on your Instagram Stories, tweet about it, and mention it in any other community spaces you have (like a newsletter or Discord server). Cue up excitement by teasing the collaboration in the days leading up to the post going live.

Engage in the Comments Together

Your audiences will love to see you interacting. Make it a point for both creators to be active in the comment section for the first few hours after the video is posted. Reply to comments, "like" feedback, and even chat with each other in the replies. This shows that the partnership is genuine and helps fuel the post's initial velocity with the algorithm.

Keep it Authentic to Both Brands

The collaboration should feel like a true blend of your styles. Don't force one creator to dramatically change their editing style or personality to fit the other's. The magic lies in the intersection of your unique brands. The more authentic and natural the content feels, the better your audiences will respond. If it feels like a forced ad, people will scroll right past it.

Measure Your Results and Debrief

After a week, connect with your collaborator and review the analytics. Who saw the video? Check out the audience demographics. Did you both see a boost in followers? Which comments provided the best feedback? Understanding what worked and what didn't will help you both create even more effective collaborations in the future.

Final Thoughts

Co-posting on TikTok is a smart, powerful strategy for growth that’s all about generosity and shared success. By finding the right partners and creating content that genuinely benefits both of your audiences, you can unlock new levels of reach and build brand credibility faster than you ever could alone.

As you start planning more collaborations, keeping your content organized can feel like a headache. From scheduling posts to tracking conversations with multiple partners, things get messy fast. At Postbase, we built our platform specifically to handle the modern social media workflow, including complex collaborations. Our visual calendar makes it easy to map out your entire content strategy at a glance, so you can see exactly when your shared posts are going live and plan promotions around them without getting lost in spreadsheets.