DealSource company intelligence sidebar for your browser
Users
16
+4 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#166K
#139K among extensions
Version
1.0.3
updated 24 Aug 2026
Users
monthly, 6 months
Latest, 18 Oct 2026:16 usersMove the mouse over the chart for any month
Ratings count
monthly, 6 months
Latest, 18 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About DealSource
New
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Financials tab is live — view balance sheet and profit & loss data for Dutch companies straight from the sidebar.
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DealSource brings your deal pipeline into every browser tab.
When you visit any company website, DealSource instantly surfaces the key intelligence you need — no copy-pasting, no tab-switching, no context loss. A lightweight sidebar detects the company you're viewing and loads the information that matters for deal professionals, corporate
development teams, investment bankers, and M&A advisors.
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REQUIRES A DEALSOURCE ACCOUNT
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You need an active DealSource account (dealsource.nl) to use this extension. DealSource is a deal intelligence platform built for M&A professionals in the Netherlands and beyond.
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KEY FEATURES
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◆ Auto-detect the company
Open any website — DealSource identifies the company from the domain and public site metadata, then pulls the matching record from your workspace.
◆ Company summary at a glance
See headquarters, employee count, industry, founding year, revenue, description, website and LinkedIn profile in a clean, scannable layout.
◆ Deal history
Browse historical transactions, ownership changes and deal context without leaving the page you're on.
◆ People & key contacts
Identify relevant decision-makers and view their LinkedIn profiles directly from the sidebar.
◆ News feed
Latest news articles about the company, aggregated into one place.
◆ Corporate structure graph
Visualize parent companies, subsidiaries and the full corporate ownership tree.
◆ Watchlist
Add any company to your personal watchlist with a single click.
◆ Target lists
Drop companies into any of your target lists for pipeline tracking and outreach planning.
◆ Manual search
Not on a company site? Search by name to pull up any company record.
◆ Request missing info
Didn't find the company you were looking for? Request enrichment directly from the sidebar and our team will add it to the database.
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BUILT FOR DEAL PROFESSIONALS
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◆ M&A advisors
◆ Private equity and venture capital analysts
◆ Corporate development teams
◆ Investment bankers
◆ Deal sourcing and origination teams
◆ Business development professionals
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PRIVACY & SECURITY
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DealSource takes your privacy seriously:
◆ The sidebar only activates when you explicitly toggle it
◆ Only the hostname of the current tab (e.g. "example.com") and optional public site metadata are sent to the DealSource API
◆ No page content, form inputs, cookies or browsing history are read or transmitted
◆ Authentication tokens are stored in Chrome's session storage and cleared when you close the browser
◆ All API traffic is encrypted over HTTPS to dealsource.nl
◆ Strict Content Security Policy prevents remote code execution
◆ No third-party trackers or analytics
https://dealsource.nl/extension/privacy-policy