Close faster with secure, data-driven deal rooms
Launch branded deal rooms in seconds, share with total control, and track every move until the deal is signed.
Start free
No credit card
Instant setup
k
Documents securely shared
k
Founders, investors and corporate teams onboard
+
Countries closing deals with Sizle
For Founders
Close your round faster with a data-driven deal room
Sizle gives you a single, secure space for your pitch decks, contracts, and diligence docs, with complete visibility on every investor interaction. Capture every lead, see how they engage, and sign when the timing is right.
For Investors
Manage deal flow and portfolio activity in one secure place
From first pitch to signed agreement, Sizle keeps you in control. Monitor deal engagement in real time, manage approvals, and share updates with LPs, all in a secure, access-controlled environment.
1
Launch a secure Deal Room in seconds
Instantly create streamlined, branded deal rooms for your decks, contracts, and diligence packs, no setup, no friction.
2
Share assets with complete control
Give stakeholders managed access and know exactly who’s in your Deal Room, what they’ve viewed and when, with built-in email capture and self-destruct controls.
3
See engagement as it happens
Track engagement down to the page, slide, and second, act on live data with confidence while the deal is still moving.
4
Sign off & close
Get signatures and close deals effortlessly without leaving the room.
Built for dealmakers
Zero setup, smart defaults and instant visibility on every deal from first click to final signature.
Powering enterprise teams worldwide
500k
+
Deals, decks and contracts securely shared globally
Testimonials
The best part about Sizle.io is finding out who viewed a presentation, which slides they focused on, and for how long.
Global community
Trusted by founders, investors, and corporate teams in 175+ countries.
Sizle.io is a great tool to easily share files that we do not want to be copied or modified.
The best part about Sizle.io is finding out who viewed a presentation, which slides they focused on, and for how long.
The sales team were amazed that they could “see” what slides the clients were reviewing in real-time.
Sizle.io surpassed our expectations when we saw how a client is engaging with our proposal.
Understanding when, where, and how much the recipients of our decks are engaged helps tremendously with our follow-up.”
Sizle.io is incredibly easy to use. Upload and send your document and you get detailed analytics on who viewed it.
The ability to quickly and securely share a document and view analytics has improved my file sharing process.
The insights and analytics are detailed and useful. No longer do I have to wonder if a client has opened an email.
Seeing how much time prospects spend on each slide helps us optimise our collateral.
Start
closing
smarter
today.
Frequently
asked questions
Can’t find an answer?
Talk to our friendly team
A Deal Room is a secure, trackable space to share documents with external stakeholders during projects such as fundraising, M&A, due diligence, and strategic deals. Unlike basic file sharing, Deal Rooms like Sizle give you detailed insights into who views your documents, for how long, and where they engage, helping you close faster.
Yes. Sizle, you can request legally binding signatures in seconds with no recipient account required. Signatures are backed by Lumin, the global standard for compliant, secure eSignatures. Every signed document includes a secure audit trail.
Yes. Every signature collected is legally binding and compliant with ESIGN (US), UETA (US), and eIDAS (EU) regulations. Every document includes a secure audit log.
Absolutely. Every secure document link can be set to require a password or email address before allowing access, expire after a set time, expire after opening, disable download access, disable commenting and more.
Dropbox stores files. DocSend shares them. Sizle closes them. Sizle’s platform combines branded sharing, lead capture, real-time viewer insights and legally binding signatures, in a single secure link. Think of Sizle as your document-based CRM signal layer, know who’s interested, when to follow up and how to accelerate deals.
When your trial ends, new share links and signature requests are paused, but existing links remain active and continue collecting insights. To keep using lead capture, eSignatures, viewer analytics and more, simply choose a plan.
Turn every view into a signed deal
Launch your first deal room and track engagement in real time. Free for 7 days.
7-day free trial
No credit card
Instant setup
The smart deal room for modern transactions.
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Company
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