Guide
Agency Client Onboarding Checklist
The stages below are a practical starting checklist, not a fixed universal sequence—adapt the order and the number of steps to how your agency actually works. What matters most is that nothing on the list depends on one person remembering it.
Why write this down at all
Without a checklist, onboarding quality depends on who happens to run it and how busy they are that week. A written checklist does not need to be elaborate—it needs to be consistently followed. For the mechanics of automating parts of this sequence, see how to automate client onboarding.
A practical checklist
1. Commercial confirmation
Confirm the agreed scope, price and terms in writing before any other step begins, so onboarding starts from a shared understanding.
2. Contract signed
A signed agreement in hand before work begins. See e-signature software for tools that speed this up.
3. Statement of work confirmed
A specific, written scope both sides have agreed to, not just a general sense of the engagement. See statement of work software.
4. First payment or deposit received
Confirm your agency’s own policy on this before starting delivery, whatever that policy is.
5. Key contacts and stakeholders identified
Who makes decisions, who approves work, and who is the day-to-day contact—confirmed explicitly rather than assumed.
6. Access and accounts collected
A list of what access the agency needs and from whom, requested through a proper access-management process rather than informal credential sharing.
7. Brand assets and reference materials collected
Logos, brand guidelines, prior work and anything else delivery needs before starting. See client intake software for structured collection.
8. Internal workspace and project created
The project set up in your delivery tool, with the client record and scope attached, ready for the team to start.
9. Kickoff call held
A live conversation to align on goals, timeline and expectations, with notes captured. See meeting notes software.
10. Communication channel agreed
Tell the client explicitly where to send requests and questions going forward. See how to centralize client communication.
11. First deliverable or milestone scheduled
A concrete near-term date the client can look forward to, so momentum is visible early in the relationship.
12. Approval process explained
Tell the client how feedback and sign-off will work before the first deliverable arrives, not after. See how to manage client feedback and approvals.
13. 30-day check-in scheduled
A short review after the first month to confirm the relationship is on track and catch any early friction while it is still easy to address.
Adapting this to your agency
Not every engagement needs all thirteen steps in this order— a small, fast project may compress several into one conversation, while a larger retainer may add steps specific to your process. The number of steps is not the point; consistency is. See client onboarding software for tools that turn a checklist like this into a repeatable, trackable sequence.
Common mistakes
Starting delivery before access and information arrive
Work started without what it needs stalls, or gets redone once the missing piece finally arrives.
Skipping the 30-day review
Small early friction is much easier to fix in the first month than after it has hardened into a pattern.
Not confirming who the real decision-maker is
Work approved by the wrong stakeholder can be reversed later by the person who actually had authority.
Frequently asked questions
How many steps should an onboarding checklist have?
There is no universal number. Use enough steps to cover what your agency actually needs before starting delivery, and no more than the team will realistically follow consistently.
Should this checklist live in software or on paper?
Either can work at a small scale. It becomes more useful in software once several people run onboarding and need shared visibility into where each client stands.
Where should sensitive access details go?
Into a dedicated access-management tool following your organization’s own security practices, not into the checklist or a general document.
Conclusion
A written, consistently followed checklist beats a reinvented-each-time onboarding process, regardless of exactly how many steps it has. Adapt the sequence above to your agency rather than treating it as fixed.
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