The wire choreography on closing day
Practice acquisition closing days look choreographed only from the outside. Inside, they involve six wires that need to land in a specific order, each with its own approval matrix and cutoff time. Get the order wrong and the close slips a day. Slip a day and the seller renegotiates, the lender re-issues funding, or you pay a per diem on the LOI extension.
This article is the playbook for closing in one banking day.
The six wires
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Wire one: funding from the lender into your acquisition escrow account. Has to land before your other wires can go out. Lender cutoff is usually 11 AM EST on Fedwire.
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Wire two: equity contribution from your sponsor into the same escrow. Often pre-funded the day before, but confirm balance is sufficient before any outbound wires.
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Wire three: working capital adjustment to the seller. Calculated from the closing balance sheet. Typically goes out by 1 PM EST.
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Wire four: purchase price minus escrow holdback to the seller. The big one. Goes out by 2 PM EST.
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Wire five: closing costs to legal, accounting, and broker accounts. Multiple smaller wires, batch them after 3 PM.
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Wire six: initial funding from your new PC operating account at the platform's bank. This is the first deposit into the newly opened account, demonstrating operational continuity. By end of day.
Pre-close checklist
Five things that need to be done 48 hours before closing.
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Confirm Fedwire cutoff times at your bank. Get them in writing. Different banks have different cutoffs, and Friday cutoffs are sometimes earlier than weekday cutoffs.
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Pre-load all wire instructions into your banking platform. Recipient details, account numbers, amount placeholders. Validate each instruction with the seller's counsel.
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Confirm signer availability. If your platform requires CFO plus CEO for wires above $2M, make sure both are reachable closing day.
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Open the new PC operating account at the platform's bank. This is the destination for wire six. If you wait until closing day to open this, you slip.
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Confirm lender funding timing. Get the exact wire reference number and expected arrival time.
What goes wrong
Three patterns we see repeatedly.
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Lender funding lands later than expected, and your bank rejects outbound wires because the escrow balance is insufficient at the time of submission. Fix: confirm funding arrival before submitting outbound wires, not before initiating them.
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A signer is unreachable for dual approval. Fix: pre-load wires with both required approvers, have them queue-approve from anywhere.
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The seller's account details change last minute and the wire bounces. Fix: re-verify wire instructions by phone with the seller's CFO on the morning of close. Never trust email-only changes.
Choosing a bank that closes the same day
Not every bank can support same-day closes. The capabilities to look for, on a platform built for multi-entity MSO-PC banking (opens in a new tab):
- Fedwire cutoff at 4 PM EST or later
- Same-day signer approval workflow, mobile-accessible
- Account opening for the acquired PC in under 24 hours
- Wire desk reachable by phone if anything escalates
- Flat per-wire fee (Lemma is $15) so cost is not the gating factor
If your current bank does not check all five boxes, run it through the five questions to ask before signing with a new bank (opens in a new tab) before your next close depends on it.
The day after
The first day post-close, your treasury team has three jobs.
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Confirm all six wires settled and reconciled. Match each one against the closing schedule.
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Redirect payer EFT enrollments to the new PC operating account. The clock on collections starts the moment EFTs are routed to your platform, not the moment the deal closes.
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Enable sweeps on the new PC account. Default config should match your platform standard. Confirm activation.
By end of day one post-close, the new entity is operationally integrated, kicking off the first 90 days of post-acquisition integration (opens in a new tab). If any of those three things take more than a day, your banking architecture is creating drag on your M&A engine.