Client onboarding email
The first email after signing: what happens next, what you need from them, one named point of contact, and a dated first milestone.
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SubjectWelcome aboard, Marcus — next steps
How to use it well
- →Put the "what we need from you" items in a list, not a paragraph — a buried requirement is the single most common cause of onboarding delay.
- →Name one point of contact, even if a whole team is involved; clients who don't know who to email default to emailing everyone, which slows everything down.
- →Anchor the relationship with a real first milestone date — it turns "we're onboarded" into a concrete, checkable commitment.
Part by part
- Here's what happens next: {{next_steps}}
- Sequence before requirements. A client who knows the shape of the work reads the asks as part of a plan rather than as a list of homework.
- we'll need from you
- Separates their obligations from yours explicitly. Requirements buried in prose are the ones that arrive late and delay the first milestone.
- {{point_of_contact}} will be your main point of contact
- Names one person. Without it the client emails whoever they last spoke to, which is how requests get lost between people.
- Our first milestone, {{first_milestone}}, is set for {{milestone_date}}
- A date early enough to establish pace. It also creates the first shared checkpoint, which is what makes drift visible.
Common mistakes
Welcome aboard! We're excited to work with you. We'll be in touch soon.Warm and actionless. The client does not know what happens next, what you need, or when anything is due — so the first week produces nothing but goodwill.
Listing requirements without saying why they are needed.A bare list of asks reads as bureaucracy and gets deprioritised. Tying each to the step it unblocks converts it from paperwork into something with a consequence.
Naming a whole team as the contact.Shared responsibility for correspondence means nobody owns it. One named person, with a stated backup if you need one, is what keeps a thread from stalling.
Questions
How many next steps should I list?
Three to five. Enough to show the shape of the engagement, few enough to read in one pass — a full project plan in a welcome email is not read at all.
Should the requirements have deadlines?
Tie them to the first milestone rather than giving each its own date. It makes the consequence of delay obvious without turning the welcome message into a schedule of demands.
Why does the first milestone matter so much?
Because it sets the pace expectation for everything after it. A first checkpoint that slips silently teaches the client that dates are approximate, and that is very hard to reset later.
How soon should this go out?
Within a day of signing, while the decision still feels good. A gap between signature and first contact is where buyer's remorse forms, and it costs more to recover than the email costs to send.