Inventory
List every account, integration, audience, feed, domain, file, contract, and billing dependency.
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Agency accountability · transition
How to switch marketing agencies without losing data or momentum
The safest switch begins before notice is sent. Inventory ownership, preserve the live system, and transfer decisions in a controlled sequence.
Direct answer
Switch agencies by securing administrator access and exports first, freezing unnecessary changes, documenting every live campaign and measurement dependency, and assigning one transition owner. Run the outgoing and incoming teams against the same manifest. Do not let the new agency rebuild working infrastructure merely to make the account look like its preferred template.
01 · Establish control
The business should own the durable accounts and files
The client should have direct administrator access to its Google Ads account, Analytics property, Tag Manager container, Merchant Center, Meta business assets, domain, website, CRM, email platform, call tracking, creative library, and reporting source. Google’s own documentation says a client account retains its data when manager ownership changes; the practical risk is access configuration, not a legitimate transfer of the client’s history.
Make a manifest with the asset, account ID, client administrator, agency access level, billing owner, recovery method, and current export. A screenshot of a dashboard is not an export, and an agency login is not client ownership.
Stop condition: if the agency refuses administrator access, delays exports, or claims the account cannot be transferred, resolve ownership before announcing a switch.
02 · Protect the live system
Use a seven-part transition sequence
Export
Preserve campaign settings, change history, creative source files, dashboards, tag versions, and current performance baselines.
Freeze
Pause nonessential experiments. Do not combine a vendor switch with a site migration, attribution-model change, and total campaign rebuild.
Name open decisions
For every active test, record the hypothesis, start date, spend, evidence, and stop condition.
Transfer access
Add the incoming team using individual or manager access. Never share one master password.
Observe before rebuilding
Require the incoming agency to explain what it will preserve, change, and measure before changing it.
Remove old access last
Confirm client access, exports, billing, and live tracking before removing the outgoing team.
03 · Make the right decision
Fire for control failures; repair execution failures when recovery is credible
Missed targets alone do not prove that an agency should be fired. Marketing can miss because the offer is weak, sales follow-up is slow, measurement is wrong, or the chosen channel is a poor fit. Fire the agency when it hides access, invents explanations, repeats preventable errors, ignores agreed stop conditions, or cannot produce a recovery plan with an owner and date.
Use an RFP only after the failure is defined. A broad request for “more leads” will generate broad promises. A useful request names the operating context, current evidence, account constraints, required ownership, decision rights, reporting logic, and what a successful first 90 days must establish.
What the transition packet should contain
The packet should let a competent operator understand the live system without relying on the outgoing agency’s memory. Include an account map, owners and access levels, billing contacts, campaign inventory, active budgets, naming conventions, current audiences and exclusions, approved creative, disapproved claims, landing pages, conversion definitions, tag and feed dependencies, reporting definitions, open experiments, known defects, and renewal dates.
For each campaign, record what must not be changed during the handoff. A stable campaign with good qualified outcomes is an asset, not a blank canvas. The incoming team should explain why a rebuild is necessary and how it will separate the effect of the agency change from the effect of the rebuild.
Questions this owner resolves
Short answers, with the conditions that change them
Who should own ad accounts, analytics, and creative files?
The business should control the durable accounts and have usable copies of the work. An agency receives the access required to operate them.
When should you fire your marketing agency?
When control, truthfulness, or repeated execution failures make a credible recovery unlikely, not simply because one reporting period missed a target.
How do you switch without losing momentum?
Inventory and export first, freeze unnecessary changes, transfer access, observe before rebuilding, and remove old access only after the new control path is proven.
What belongs in a marketing RFP?
The business problem, current evidence, constraints, ownership rules, decision rights, required outputs, evaluation method, and first learning milestone.
Primary and observed sources
What this guide is grounded in
Official documentation supports platform and search requirements. Third-party pricing and practice pages are cited as observed market examples, not universal facts or proof of ranking causation.
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