Advisory

M&A and Divestiture Services

ISG helps enterprises minimize risk, reduce stranded costs and unlock hidden value across the entire merger and divestiture lifecycle.
 

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What’s at Stake?

Mergers, acquisitions and divestitures are complex – and costly when mishandled. Common pitfalls include: 

  • Transitional service agreement (TSA) delays and late notices driving unexpected costs

  • High stranded IT and license costs 

  • Missed or misplaced contracts slowing Day 1 readiness 

  • Poor communication with suppliers and new entities 

  • Insufficient resources to manage execution 

ISG helps you sidestep these risks with early vendor engagement, our proven playbook and expert contract lifecycle management. 

Support at Every Stage of the M&A Journey 

Whether you’re planning an acquisition, executing a divestiture, or stabilizing operations post-Day 1, ISG supports you at every step. 

Our proven methodology: 

  1. Assess – Opportunity scans, due diligence and financial impact analysis 

  2. Design – Strategy and target operating model development 

  3. Integrate/Separate – Contract separation, TSA planning and systems transition 

  4. Transform – License optimization, process redesign and synergy capture 

  5. Operate – Governance, risk mitigation and ongoing optimization 

Tailored Services for Every Deal Type

Every transaction is different. We tailor our approach to deliver value for mergers, spin-offs, and everything in between. 

Merger Integration – Synergy and de-synergy assessments, TSA negotiation, post-merger planning and compliance analysis 
Divestiture Support – New contract negotiations, TSA structuring and license use alignment 
Spin-Off Execution – Infrastructure planning, contract transition and parent company support 
Captive/Sub Rollups – Strategy and commercial impact assessments, rule changes and integration/separation execution 

Why Leading Enterprises Choose ISG 

When the stakes are highest, global enterprises trust ISG. With more than $475B in sourcing deals advised and experience across thousands of complex integrations and separations, we bring unmatched data, independence and expertise. 

Unmatched Data: Largest repository of IT benchmarking data — across software, services, and connectivity 
Independent Advice: Vendor-agnostic, no conflicts of interest 
Deep Expertise: Specialists in contracts, IT and transformation 
Proven Results: Track record with Fortune 100 and Global 2000 leaders 

Real Results from Complex Projects 

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Turn M&A Complexity into Competitive Advantage

Don’t let IT contracts, stranded costs, or TSA delays put your deal at risk. With ISG, you gain a trusted partner to accelerate separation, secure value and keep business moving forward. 

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