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The complete IT M&A lifecycle: From discovery to TSA exit

IT M&A execution is not a collection of independent projects. It is one connected lifecycle in which early data, decisions and dependencies shape every outcome that follows.

MergeVista InsightsAugust 27, 2026
KEY TAKEAWAY

The strongest transaction teams manage discovery, separation, Day 1, TSA operations, migration and exit as one evidence-connected system of execution—not as a sequence of disconnected workplans.

A successful IT transaction must preserve business continuity while systems, contracts, people, services and accountability move between organizations. That requires a lifecycle view from the first inventory through the final exit decision.

One lifecycle, seven connected stages

Each stage produces information and decisions needed by the next. When those connections are lost, teams spend valuable time reconciling spreadsheets, rediscovering dependencies and debating which status is trustworthy.

01

Discovery

Establish a trusted baseline across applications, infrastructure, sites, users, contracts and licenses.

02

Assessment

Expose dependencies, obligations, dispositions, TSA needs and execution risks.

03

Separation

Translate the baseline into governed separation work with visible ownership and readiness.

04

Day 1

Prove continuity for critical services, ownership transitions and operational controls.

05

TSA operations

Manage delivery, consumption, performance, cost, issues and exit criteria.

06

Migration

Coordinate buyer-led transitions while preserving dependencies and evidence.

07

TSA exit

Demonstrate that services can be retired without creating new operational risk.

The handoffs are where execution risk concentrates

Most transaction risk does not sit within a single workstream. It sits between teams, companies and milestones: an application depends on infrastructure; a contract requires consent; a TSA service cannot exit until a buyer migration is complete.

Execution improves when every handoff carries forward its source data, decision history, accountable owner and required evidence.

Build the operating model before the pressure peaks

Day 1 and TSA exit are not dates that teams can prepare for at the last minute. They are cumulative outcomes. A connected baseline, explicit ownership and evidence-based readiness make those outcomes governable long before the deadline arrives.

PUT THE FRAMEWORK INTO PRACTICE

Run the complete journey with clarity and control.

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