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Deal OS reads a CIM and data room and returns a due diligence brief where every claim cites its source page. For search funds and small PE.

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Website, pricing, platforms and company facts side by side.
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| Website | getdealos.tech | reactionic.github.io |
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| Company | Startup from Romania · 1 - 9 employees · 2026 | — |
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In their own words, as submitted to SaaSHub.


Deal OS is due diligence software for buyers of small companies: search funds, independent sponsors, micro-PE and boutique M&A advisors. Upload a CIM and the data room. Deal OS returns a screening brief in which every claim points to the exact page it came from, the contradictions between the...
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What each product offers, as listed by its team.


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As answered by people managing DealOS.tech and React-Ionic.
DealOS.tech's answer
Every claim in a Deal OS brief points to the exact page of the CIM or data room it came from, and a separate verification step throws out any claim it cannot trace before you see it. It also lists the contradictions between documents, for example a revenue figure in the CIM that the financials do not support, and the questions worth putting to management. It is self-serve, the first CIM is free with no card, and documents stay in the EU.
DealOS.tech's answer
Buyers of small companies who do their own first-pass diligence: search funders, independent sponsors, micro-PE firms and boutique M&A advisors screening several CIMs a month without an analyst team.
DealOS.tech's answer
Python 3.12 with FastAPI and Jinja templates, PostgreSQL with SQLAlchemy and Alembic, Redis, PyMuPDF for reading PDFs, large language models through an API for extraction with a separate citation check, and Stripe for billing. It runs in Docker on servers in the EU (France).
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