Mergers and acquisitions are complicated. A simple mistake at any point can delay the deal, derail the process, and cost your company millions.
No matter how experienced a team is with M&A procedures, human error happens. Routine steps get skipped when people are working from memory, especially when the deal team is moving fast, switching context, and trying to keep the normal business running at the same time.
“The truth is mistakes happen. The accepted data says that most mergers and acquisitions don’t work out.” – Martin Sikora, professor of management and editor of Mergers & Acquisitions: The Dealmaker’s Journal
A well-documented M&A process checklist is not busywork. These checklists help supercharge acquisition workflows by keeping diligence, approvals, handoffs, and post-acquisition integration from turning into guesswork.
The deal-risk research has only made that point sharper. KPMG’s analysis of more than 3,000 public-company deals from 2012 to 2022 found that 57.2% of acquirers destroyed shareholder value. The lesson is not that every deal is doomed. It is that value capture depends on disciplined execution before, during, and after close.
After analyzing common post-merger integration pitfalls, we built several Process Street workflow templates for essential M&A processes. Use the list below to jump to the workflow you need, or read through the full guide for a practical walkthrough of how each template supports the deal process.
- M&A processes: Plan to plan, and plan again
- 5 M&A process checklist templates
- M&A Target Search Process
- M&A Strategy Checklist
- M&A Due Diligence Checklist
- M&A Acquisition Checklist
- Post-Merger Integration Checklist
- Process optimization and automation with Process Street
M&A processes: Plan to plan, and plan again
The most dangerous M&A mistakes usually do not come from a single missing document. They come from a process that is too dependent on memory, too spread across inboxes, or too unclear about who owns each workstream.
Chris Barbin put the execution problem plainly in Forbes:
“[T]here is a great deal to execute on in an M&A deal. […] Running a business and integrating two companies is like having two different jobs and both are equally important.” – Chris Barbin
That is why a plan is not enough. You need a process people can actually follow while the deal is moving. The process should make ownership obvious, keep approvals in the right order, collect evidence as work happens, and give the team a shared operating rhythm from target screening through Day 1 readiness and the first 90 days of integration.
The workflows below cover the most important stages of that M&A lifecycle: target search, strategy, due diligence, acquisition execution, and post-merger integration.
5 M&A process checklist templates
M&A Target Search Process
Click here to get the M&A Search Process workflow!
The first part of any M&A project is conducting your target search. You need clear screening criteria before a promising company becomes a serious conversation.
As you proceed through this workflow, you are prompted to evaluate motivations, expectations, target fit, and acquisition criteria. That structure helps the team agree on what a good match looks like before time is spent on deeper diligence.
While the search leader is expected to be the primary user of this workflow, Approvals let reviewers authorize important steps from desktop, mobile, or Slack. Dynamic Due Dates help adjust task deadlines based on the unique timing of each workflow run.
M&A Strategy Checklist
Click here to get the M&A Strategy Checklist workflow!
A comprehensive M&A strategy is essential whether you are buying, selling, or preparing for either path. The buyer may carry financial risk, but sellers also need a clear strategy for timing, valuation, disclosure, communication, and negotiating position.
Using Conditional Logic, this workflow can adapt based on whether you have already been approached by an interested company or plan to conduct your own search. Conditional paths keep the workflow relevant without forcing every team through the same steps.
Variables act as placeholders for information you can push into tasks. They help pre-populate deal-specific details across the workflow, which cuts down on repetitive data entry and reduces copying errors.
M&A Due Diligence Checklist
Click here to get the M&A Due Diligence Checklist workflow!
A lot of focus goes into the numbers during mergers and acquisitions. Financial diligence matters, but it should not be the only diligence workstream. Technology, people, regulatory exposure, operational dependencies, and handoff risk can be just as important to value capture.
Process Street’s former VP of Marketing, who has been on both sides of the acquisition process, put it this way:
“In my experience, a disproportionate amount of time is spent on the financial planning, and not enough planning is spent on the technological and the human planning.” – Bryan Sise
This due diligence checklist covers everything from organizational structure to regulatory compliance. Role Assignments let you assign tasks to the right deal, legal, finance, operations, or compliance owner so each workstream has clear accountability.
Several Approval tasks use Stop Tasks. A Stop Task prevents the workflow run from moving forward until a required step is completed, which is useful when a diligence signoff must happen before the team can approve the final report.
There is also a simplified risk assessment you can complete before approving the final report.
M&A Acquisition Checklist
Click here to get the M&A Acquisition Checklist workflow!
This workflow was designed with the prospective buyer in mind. The primary focus is to establish strategies and provide a central place for acquisition documentation.
Using Form Fields, including file upload fields, you can collect copies of correspondence, reports, and other records tied to the acquisition. If a complex task needs smaller required steps, Subtasks let you break the work down without losing the task context.
This workflow can also be customized with Process Street Automations and integrations. For example, you can trigger a DocuSign step for a contract or move structured deal data into a spreadsheet when the relevant task is completed.
Post-Merger Integration (PMI) Checklist
Click here to get the Post-Merger Integration (PMI) Checklist workflow!
Post-merger integration can be an ordeal. Even if you bring in M&A experts, there is still a lot to coordinate, including those experts.
The Post-Merger Integration Checklist guides the team through a basic PMI process, including contact details, success metrics, meeting records, and important files. It helps the team prepare for Day 1 readiness, post-acquisition integration workstreams, and the first 30 to 90 days after close.
In each of these workflows, the Video Widget feature has been used to add rich media assets. You can add instructional videos through a YouTube URL, upload a video, or use an embed code. You can also embed images or include files that users can download.
Process optimization and automation with Process Street
Process Street is a Compliance Operations Platform for teams that need recurring work to happen the right way every time. Docs keep procedures governed and versioned. Ops turn those procedures into executable workflows. Built-in AI helps create, monitor, and improve the process over time.
That matters in M&A because the work is high-stakes and cross-functional. A deal team needs more than a static document or a project board. It needs a system that assigns owners, enforces sequence, collects evidence, triggers approvals, and keeps the process auditable while the business keeps running.
Process Street has direct, universal integrations to 5,000+ systems. Need a new one? An AI agent builds it on the fly. Zapier remains available for teams that already use it, but integration strategy should start with the workflow itself: what needs to happen, who owns it, what proof is required, and which systems need to be updated when the task is done.
Direct automations
Important processes usually require multiple software tools. Built-in automations let you connect the task being completed inside Process Street to the next action in the broader workflow.
For an acquisition workflow, that might mean sending a contract through DocuSign after a negotiation task is completed, notifying a deal channel in Slack, or kicking off the Due Diligence Checklist when the Acquisition Checklist reaches a specific milestone.
The point is control. The workflow does not rely on a wayward email, a forgotten handoff, or a spreadsheet someone forgot to update.
Zapier integrations
Zapier integrations are still useful when your team already runs automations through Zapier or needs a quick connection to a supported app. You can also use the Process Street Zapier app for common trigger-and-action workflows.
For example, you could trigger an email when a task is checked off, generate a card in another work tracker, or update a record after a required M&A checklist step is completed. Use it as a supporting integration path, while Process Street remains the operating layer for the checklist, ownership, approvals, and audit trail.
A final word on M&A processes
Now you have workflows to get through the M&A process, plus ways to optimize those workflows so the team can execute consistently.
Blake Bailey, who has built acquisition-specific workflows inside Process Street, boiled the stakes down to two points:
“A solid process during an acquisition is important for two reasons: 1. A lot of stuff needs to happen and 2. It all needs to be done exactly right because the stakes are extremely high in these situations.”
That is the job of an M&A checklist: make sure the right work happens, in the right order, with the right owner, and with a clear record when the stakes are too high for memory.
The post 5 M&A Process Checklists to Supercharge Your Pre & Post Acquisition Workflows first appeared on Process Street | Compliance Operations Platform.
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