Instagram Collab Posts: How to Use Them to Grow Faster

Last updated: 26 October 2026.

Instagram collab posts let two or more accounts publish the same post together. When a collaborator accepts your invitation, the post appears on their profile as well as yours, is shared with their followers, and shows both names as authors. You can add up to five collaborators, which makes collabs one of the most direct ways to reach a new, relevant audience without paying for ads.

Here is how collab posts work, how to set one up, who to partner with, and how to judge whether it paid off.

How do Instagram collab posts work?

A collab post is a single post owned by the person who created it, with other accounts added as co-authors. According to Instagram’s help page about collab posts, once the invite is accepted the post is shown on each collaborator’s profile and distributed to their followers, and the header credits every account.

The key rules, as set out in Instagram’s Help Centre:

• Up to five collaborators can be added to a post.
• The original creator owns the post. Only they can delete it, and deleting it removes it from every collaborator’s profile.
• Either side can end it. The creator can remove a collaborator at any time, and a collaborator can remove themselves.
• Blocking ends the collaboration. The post stays on the original creator’s profile.
• The creator’s privacy setting applies. If they switch to private, only their followers can see the post.
• Stories are excluded. You can mention accounts in a story, but you cannot add collaborators.

Collaborators who accept can see all the likes and comments on the post, so the conversation happens in one place rather than being split across two copies.

Collab posts vs tags and mentions

Tagging someone does not put your post in front of their followers; a collab does. This is the difference that matters for growth.

How to create an Instagram collab post

You set up the invite before publishing, in the Instagram app. Instagram’s help page on creating collab posts lists the feature for iPhone, iPad and Android rather than desktop.

1. Create your post or Reel as normal and go to the final screen before sharing.
2. Tap Tag people.
3. Tap Invite collaborator.
4. Search for the account and tap it to add it (repeat for up to five).
5. Tap Done, then share.

The invited account receives a request to accept or decline. Until they accept, the post appears only on your profile, so agree timing in advance and ask them to accept quickly while the post is fresh.

Who can you invite?

It depends on your privacy settings. Public accounts can invite both public and private accounts. Private accounts can invite others only if the invited account follows them, and if a public account accepts, the post becomes publicly visible through that collaborator. Instagram shows private accounts an explanation of this the first time they invite someone.

Best ways to use collab posts

Collabs work best when both audiences genuinely benefit from the content. Some formats that tend to suit it:

• Creator-to-creator swaps: a joint tutorial, challenge or debate between two accounts in neighbouring niches (a baker and a coffee roaster, say).
• Local business partnerships: two independent shops on the same high street co-hosting a giveaway or event announcement.
• Brand and creator content: a creator’s Reel published as a collab with the brand, so it reaches both followings.
• Event and venue posts: promoter, venue and artist all on one post for a gig or market.
• Group Reels: up to five contributors on a round-up such as “5 UK coffee shops worth the trip”.

Reels are a natural fit for collabs. Our guide to getting more views on Instagram Reels covers hooks and length, and the same principles apply to collab Reels.

How to find the right collaborators

Look for accounts whose audience would enjoy your content, not simply the biggest names who might say yes.

• Audience overlap without direct competition. Complementary niches work better than rivals.
• Similar or slightly larger size. Partnerships feel fairer when both sides gain.
• Real engagement. Check comments and ratios before agreeing anything; our fake follower audit shows what to look for.
• Shared values and tone. Your followers will notice if the pairing feels forced.

Brands in the UK can also use Instagram’s creator marketplace, which Meta expanded to the UK in February 2024, to discover creators for partnership content.

Brand collabs and #ad rules

If money, free products or any other incentive is involved, a collab post can be an advert and must be labelled as one. The ASA’s influencers’ guide recommends a clear label such as “Ad” at the start of the caption, and advises that platform tools like the paid partnership label may not be enough on their own.

A collab that credits a brand as co-author does not remove the need for a clear disclosure. See our full guide to #ad rules in the UK for what creators and brands are each responsible for.

How to measure the results of a collab

Decide what success looks like before you post, then compare it with your usual numbers. Useful measures include:

• Reach and views compared with your average post of the same format.
• Follower growth during the days after the collab goes live.
• Profile visits and link clicks, if your goal is traffic or sales.
• Engagement rate, which you can check with our free engagement rate calculator.

Ask your collaborator to share their side of the results too, so you can both decide whether to repeat the partnership. Understanding how the Instagram algorithm works also helps explain why some collabs travel further than others.

A collab post reaches both audiences, but the first hour still matters. Posts that pick up engagement quickly tend to travel further, which is why some brands add Instagram likes to a collab at launch, or grow their own profile with Instagram followers before they pitch partners.

Frequently asked questions

How many collaborators can you add to an Instagram post?

Up to five. Instagram’s Help Centre states that you can add a maximum of five collaborators to a post.

Can you add a collaborator after posting on Instagram?

Instagram’s help page says the original creator can add or remove a collaborator at any time, so you are not strictly limited to the moment of publishing. Inviting before you post is still best, so both audiences see it while it is new.

Who owns an Instagram collab post?

The account that created it. Only the original creator can delete the post, and if they delete it or deactivate their account, it disappears from collaborators’ profiles too.

Can you do a collab on Instagram Stories?

No. You can mention other accounts in a story, but collaborators can only be added to posts and Reels.

Do collab posts count for both accounts?

The post appears on both profiles and in both sets of followers’ feeds, with a single set of likes and comments shared across the accounts.

Collab posts are the closest thing Instagram offers to borrowing someone else’s audience with their permission. Pick partners whose followers will genuinely care, make something worth sharing, and measure what happens. For more ideas on building your following, read our guide on how to get more Instagram followers, or browse our Instagram services if you want your collab content to start with a stronger showing.