The call always comes at a bad time. You're three weeks into a project, the client's happy, and a recruiter from your next engagement wants a start date. Maybe this week. Maybe Monday.
You owe notice. You know it. The question is how much, to whom, and what you say in the next ten minutes without torching either relationship.
This is not the counter-offer conversation. That's a separate decision about whether to stay. This is about sequencing: how to be honest about your availability on the first call, when to lock a date, what to do if the new client pushes for Monday anyway, and how a clean exit from your current project pays you back later in references.
What "Two Weeks' Notice" Actually Means in Contract Work
Two weeks is a W2-employment norm, not a contract-law requirement. As a 1099 contractor or a consultant placed through a staffing firm, your obligations live in your subcontract or agreement with the staffing agency, not in folklore about how much notice is "normal."
Some agreements specify a notice period explicitly, commonly ten business days to four weeks. Some tie it to a minimum engagement length. Some say nothing at all about early termination by the consultant, which usually defaults to the general termination clause applying both directions.
Before you say a word to a recruiter about availability, open that document. Look for three things:
- A named notice period for resignation or early termination by the consultant
- Any minimum committed duration you're still inside of
- Language on handover, knowledge transfer, or transition deliverables owed before your last day
Do not assume two weeks. Do not assume thirty days either. Your subcontract is the only source of truth here, and it's worth five minutes to confirm before you commit to anything on a call.
What to Say on the First Call
Recruiters ask "when can you start" early, often before an offer even exists. Answer honestly, but don't over-explain and don't guess.
A version that works almost every time:
"I'm currently on an active engagement and I owe notice per my contract. I need to confirm the exact notice period, but I can tell you within 24 hours. My realistic start window is likely two to three weeks from an offer, pending that confirmation."
That sentence does three things. It signals you take commitments seriously, which clients read as a positive signal about how you'll treat them later. It avoids a hard date you haven't verified. And it buys you the time to actually check your paperwork instead of improvising.
What not to say: "I can start whenever you need," before you've checked anything. That sentence has a way of becoming a commitment the moment someone writes it into an offer letter.
When to Commit to a Hard Date
Commit once, and only once you have three confirmed facts:
- Your subcontract's exact notice requirement, confirmed by rereading it, not by memory
- Written or verbal acknowledgment from your current client or their point of contact that you've given notice
- A specific last day that lines up with the notice period, not an approximate week
Once those three are in place, give the new client a specific calendar date, not a range. "I can start Monday the 16th" is a commitment they can plan around. "Sometime in the next few weeks" is not, and it invites exactly the kind of pressure that leads to rushed, badly handled exits.
When the Client Wants Monday Anyway
New clients push for the earliest possible start. It's rarely personal. Their project timeline doesn't know about your notice obligation.
Hold the line with specifics, not apologies:
- State the exact date your notice period ends, and offer that as your start date
- If there's real flexibility in your notice period, offer a partial-week compromise, for example a Wednesday or Thursday start instead of the following Monday, rather than caving to the original ask
- If the client's staffing vendor or MSP is driving the pressure, let your own staffing firm's account manager handle that negotiation. That's part of what they're for
A client that cannot accept a reasonable, well-communicated two-to-three week delay for a professional handover is telling you something about how they'll handle your eventual exit from this engagement too.
Quick Reference: Notice Scenarios
| Situation | What to check first | Typical approach |
|---|---|---|
| Subcontract states a fixed notice period | Exact number of business days and any handover clause | Honor it as written; quote that exact date to the new client |
| Subcontract is silent on resignation notice | General termination clause and staffing firm policy | Default to two weeks as a professional floor, confirm with your agency |
| You're inside a minimum committed duration | Early-termination penalties or clawback language | Loop in your staffing firm before committing to any exit date |
| New client insists on immediate start | Whether that pressure is from the client or their MSP | Let your staffing firm's account manager negotiate on your behalf |
The Handover Note That Buys You a Reference
How you leave matters more than how long you stayed. A short, specific handover note takes under an hour to write and does three things a verbal goodbye never will: it documents what you accomplished, it makes the client's transition painless, and it gives whoever replaces you a reason to speak well of you later when a reference check comes in.
A handover note worth writing includes:
- A one-paragraph summary of what you were responsible for and the current state of each item
- Links or locations for any documentation, code repositories, or credentials you're handing off
- Open items, known issues, and anything you'd flag as a risk if you weren't there to catch it
- A named point of contact for questions in your first week gone, if your agency allows that
Clients remember consultants who left a mess. They remember, more specifically and more often, consultants who didn't. Eighteen months later, when a reference call comes in for your next contract, that handover note is the reason the answer is "yes, without hesitation."
The Takeaway
Start date negotiation isn't about picking a number that sounds good on a call. It's a short sequence: check your subcontract, state honest availability, confirm the real notice period, commit once you have facts, and leave the current engagement in writing-good shape. Do those five things in order and you'll rarely find yourself caught between two clients who both think they come first.
If you want a second set of eyes on a subcontract clause or a tricky two-client overlap, the Josh Pros team has walked plenty of consultants through exactly this. Reach out at contact@joshpros.com or visit https://joshpros.com.
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