Consolidate SaaS Stacks After an Acquisition
You acquired a 40-person team. They brought 60 new SaaS vendors. Some overlap your stack, some don't, and nobody knows which.
Who this is for
Integration leads, IT Directors, and COOs running post-acquisition tech consolidation.
When this happens
Acquisition close, Day-1 integration plan, or post-close stack rationalization.
The workflow
- 1.Connect both companies' AP feeds + every SaaS in both stacks.
- 2.SeatMap maps every tool by JTBD and shows overlap / unique vendors per side.
- 3.Recommend consolidation per category: which to keep, which to retire, migration risk score.
- 4.Migration sequence proposed by impact + dependency (low-risk first).
- 5.Track consolidation progress as a dashboard — board-reportable through Day 90.
What SeatMap detects
both companies pay for tools in the same JTBD categoryacquired team using cheaper tier of a tool you have at higher tier (negotiation leverage)vendor consolidation opportunity (volume discount)shadow SaaS the deal team didn't surface in due diligence
Tools this works on
- Slack
- Notion
- Microsoft 365
- Google Workspace
- GitHub
- Linear
- Jira
- Salesforce
- HubSpot
Outcome
Typical post-acquisition consolidation: 30–45% reduction in combined SaaS line items inside 90 days.
FAQ
When in the deal cycle should we run this?
Pre-close as part of due diligence (catches shadow SaaS the acquired team didn't disclose), then again post-close to drive the consolidation plan.
What about migration cost?
SeatMap scores migration risk per consolidation move — # of users to retrain, data export complexity, integration dependencies. You see ROI net of effort.
Does this work for divestitures too?
Yes — same engine in reverse. SeatMap maps which seats / data move with the divested entity and which stay.
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