The Overlap Window Nobody Budgets For When You Switch Agencies
You have signed the new agency and put the old one on notice. Two dates now sit in a calendar, the last day of one contract and the first day of the next, touching. That neatness is the problem: the week those dates meet is the week your feed goes quiet.
Why the calendar looks clean and the operation isn’t
The assumption is that the two dates meet with no gap, because on paper they do. Operationally they do not. Content moves through drafting, review and approval before it posts, so the work publishing in the new agency’s first week must be built during the old agency’s final weeks. Community management cannot have an unowned day, and a brand problem does not wait for onboarding to finish. A clean cutover on paper is a messy one in the account.
What a cold cutover actually costs you
The failures are predictable:
- A posting gap. The new agency cannot publish until it has access and enough orientation to know what it is publishing. That takes days, and your feed sits empty.
- Institutional knowledge that evaporates. What has been tried and flopped, which formats the audience responds to, what was already promised publicly. The same loss as when your account manager quits, except everyone with context leaves at once.
- An access gap. Credentials mid transfer, the old agency removed, the new one invited but unconfirmed, and for days nobody can publish.
- Approved content stranded. Signed off posts sit in the old agency’s project tool with nobody left being paid to push them live.
What an overlap window actually is
An overlap window is a defined, paid, time boxed period where both agencies hold access at once. The incoming agency starts observing, then moves into shared publishing, and only at the end does the outgoing agency’s access come off. The word that matters is negotiated. This is not an old agency lingering because offboarding stalled. It is a scoped deliverable with dates and a price, agreed while both parties still want something from you.
How long should it run
Two to four weeks is an illustrative starting range, not an industry standard, and not a number to quote at either agency.
Picture a hypothetical consumer brand posting daily across three platforms, with drafts going to a marketing manager, then legal, then a founder who reviews on Fridays. The window has to cover one full approval cycle while the old agency is still there to explain why a draft came back rejected. That account needs closer to four weeks. A single platform account posting twice a week, one approver, no paid social, can move in one. The variables are posting frequency, platform count, approval chain complexity, and whether paid social is in scope.
Who pays for it, and how
| Structure | How it works | The trade-off |
|---|---|---|
| Outgoing agency bills a prorated day rate | Its retainer split into a daily rate for overlap days. | Simple, but the agency paid by the day controls the pace. Fix the end date in writing. |
| Incoming agency folds a reduced rate observation period into onboarding | A lower rate for the weeks it watches rather than executes. | Easy to buy, but it wants full billing, so it may declare itself ready early. |
| Brand pays both a transition line item, split evenly | A stated budget split between the two, outside both retainers. | Most balanced, since neither owns the clock. Also the most visible spend. |
What access to hand over, and when
This is sequencing during a live transition. Who legally owns the accounts and the historical data is a separate question, covered in who owns your social accounts when an agency runs them.
- Day one: read only or observer level. The new agency sees the calendar, the inbox and the analytics, and cannot publish. LinkedIn, for instance, documents an Analyst role limited to analytics rather than posting.
- After the handoff meeting: shared publishing. Both agencies can post, with the outgoing team still watching. Its first mistakes happen here, and someone is still there to catch them.
- The agreed last day: publish access revoked outright. Not deprioritised. Removed. Then open the account yourself and confirm it happened.
The handoff meeting the overlap window makes possible
What you are buying is a room where questions can still be answered. Imagine a three way call in week two. The outgoing agency walks the live calendar and covers what is already committed: the voice notes that never reached the brand guide, the unresolved community threads, the follower who was told a restock date. The new agency asks in real time instead of guessing a month later, which no handover document can replicate. See also what you owe a new agency in its first 30 days.
Where this stops being your problem to manage
Your job is to negotiate the window, schedule it, pay for it, and confirm access moves on the agreed dates. It is not to referee daily content decisions between two agencies capable of talking to each other. Preserving your history and assets on the way out is a separate problem, covered in leaving a social media agency without losing the history.
Signs the overlap window is being used to stall or overstep
- The outgoing agency is being paid for the overlap and still has not produced the calendar, the assets or the credentials.
- The incoming agency publishes before its access was scheduled to go live. Enthusiasm now is unilateralism later.
- Either agency makes unsigned off changes: deleting posts, editing bios, changing linked accounts. Every irreversible action needs your yes first.
Finding the agency worth building this window for
An overlap window only pays for itself if the team on the other side is the right one. Browse vetted agencies in the directory, or if you run an agency, list your agency free.
FAQ
Do you need an overlap window for every agency switch?
No. A small account on one platform, posting twice a week with no community management, may need a few days or nothing. Anything with daily posting, a live inbox or paid social should plan a real window, because a quiet week there is visible to customers.
Can two agencies hold access to the same account at the same time?
On LinkedIn, yes: an existing admin can grant others tiered Page roles, including one limited to analytics. [EVIDENCE NEEDED: current Meta and TikTok business tool documentation on concurrent partner access without transfer of ownership.] Confirm it per platform before promising a date.
Sources
- LinkedIn Help, LinkedIn Page admin roles, fetched 7 September 2026.
