Sellside Stack is reader-supported. Some links may be affiliate links: if you buy through them we may earn a commission, at no extra cost to you. It never affects our verdicts. How we make money.

Independent guides to the AI tools dealmakers actually use.

Data rooms, pitch decks, meeting notes, dealflow CRMs and investor-relations software, compared on what matters to bankers, founders, investors and corp-dev teams: confidentiality, workflow fit and real cost.

Guides

Data rooms

Best AI Data Room in 2026

Which AI virtual data room is worth paying for in 2026? An independent comparison of Datasite, Ideals, Ansarada, DocSend, Digify and Papermark on AI f…

Pitch decks

Best AI Pitch Deck Tool for Bankers and Founders (2026)

An honest look at AI pitch deck tools for bankers and founders in 2026: what Gamma, Beautiful.ai, Pitch, Plus AI and Microsoft Copilot can and can't d…

Meeting notes

AI Note Taker for Investment Banking

Which AI meeting note-taker is safe for confidential deal calls? We compare Otter, Fireflies, Fathom, Read.ai, tl;dv and Granola on SOC 2, recording c…

CRM

Attio vs Affinity vs HubSpot

Attio, Affinity or HubSpot for VC and PE dealflow? An independent 2026 comparison of relationship intelligence, AI agents, security and real cost per …

Investor relations

The Dealmaker's AI Stack

A practical AI stack for lean investor relations and corporate development teams: 10 tools for earnings prep, roadshows, investor targeting, research …

How we work

We read the vendor documentation, security disclosures and published pricing so you don't have to, and we say plainly when we haven't tested something hands-on. Vendors can't pay to be included or to rank higher. Our methodology.