Step 1
Create a Dealroom
Upload your documents, share a secure link. Buyers verify their identity instantly.
Proposal Tracking
Create virtual data room and send agreements as secure links. Know exactly when clients open, what they focus on, and get signed faster.
or
500
k
Links shared
30
k
professionals
175
+
countries
Trusted by high performing teams
Daily Mail
McKinsey & Co.
Pedestrian TV
UCLA Riverside
United Biomedical
SmartHealth Biotech
Upload. Share a secure link. Instantly.
Every share shows you which buyers are in the room, what they’re reading, and how long they stay.
Instant Alerts
Know the moment a buyer opens your deal, and see exactly who’s on the other side.
Spot Serious Buyers
See who reads page‑by‑page and who bounces. Follow up with buyers ready to transact.
Close Confidently
Finalize terms, sign contracts, and close – backed by a Certificate of Completion.
One room for every kind of deal.
All your documents, every buyer, and every contract in one secure room that turns interest into closed deals.
Your Own Look
Use your own domain and branding so buyers trust every interaction, from first look to final signature.
See What’s Read
Track which pages hold attention, who returned, and when to reach out – so you never follow up blind.
Know Your Buyer
Every buyer verifies their identity before viewing – so you’re always dealing with a known counterparty.
All In One Place
Agreements, contracts, and every version in one secure room. No email chains. No scattered attachments.
Sign Anywhere
Collect legally binding eSignatures instantly, right inside the room. No chasing. No delays.
You’re In Control
Revoke access, expire links, block downloads. Full control over documents – from open to close.
How it works
Step 2
Spot serious intent
Every buyer is identified and tracked, so you know who’s ready to transact.
Step 3
Agree & Close
Finalize terms, sign, and transfer assets securely, backed by a complete audit trail.
Every document, working for the deal.
Watch your next
deal
happen
From doc to deal, without the friction
1
Create a Deal Room
Upload your deck, proposal, or contract instantly transformed into a private, trackable deal room.
⚡️ Free to start
2
Share a Smart Link
Send one secure link, no attachments, no version chaos, just instant access with live tracking.
⚡️ Start sharing in seconds
3
Track engagement
Know exactly who’s viewing, what they’re reading, and how long they stay, in real time.
⚡️ Instant insights & leads
4
Sign & close
Request legally binding signatures directly inside your deal room, done in moments, not days.
⚡️ Sign in seconds
Who uses Sizle to close deals faster
From solo founders to global sales teams, Sizle helps anyone turn shared documents into real, trackable deals.
Startup Founders
Close your round with confidence. Track which investors actually read your deck, follow up while interest is high and maintain momentum.
Investors
See what your buyers care about most. Analytics reveal where deals stall, who’s engaged and when to re-engage to better allocate capital.
Agencies
Turn proposals into pipelines. Capture leads, signatures, and insights automatically from every shared document, and scale client revenue faster.
Enterprises
Unify deal visibility across teams. Capture leads, monitor engagement and ensure every follow-up happens at the perfect moment.
Consultants
Deliver clarity at scale. Capture engagement, collect signatures, and manage every client deliverable securely, all from one branded workspace.
What sellers are saying.
The sales team were amazed to see what slides clients were reviewing in real time.
The best part about Sizle is seeing who viewed, which slides they focused on and for how long before following up.
The insights are detailed and actionable. No more wondering if a client has opened an email.
Understanding when, where and how much recipients engage with our decks helps tremendously with follow-up.
500
k
Docs secured
30
k
Happy sellers
175
+
Countries
Stop guessing. Start closing.
Share a deal room. See exactly who's reading. Move them to signature, securely.
Protected sharing
Signature-ready
From $20/month
