The short answer

Pick by where your targets are hiding.

If they are founder-owned or family-owned companies that never raised money, buy an AI company search platform such as Grata or Inven. These index company websites and describe what a business does, so you can search by product rather than by funding history.

If they are venture-backed startups, buy a startup signal platform such as Harmonic or Specter. These track hiring, founders and traction to flag companies early.

If you also need fund, investor and deal data in the same tool, a private market database such as PitchBook covers sourcing too.

If you want sellers to come to you, join a deal network such as Axial, where M&A advisors send mandates to buyers who match.

Grata and Sourcescrub now share an owner, Datasite. Check what that means for your contract.

Why deal sourcing platforms matter

A buyer that finds a private target before a banker runs a sale process can approach the owner directly, before an auction sets the price.

Many deal databases start from companies that raised capital or did deals. A bootstrapped software firm with 80 staff or a regional manufacturer owned by its founder may appear in none of them. Deal sourcing platforms crawl company websites and other sources to profile operating companies, describe them in plain language and show signals that one might sell.

Datasite bought Grata in June 2025 and Sourcescrub in August 2025, and said Sourcescrub's data will be integrated into Grata. Cyndx, another platform in this space, has announced it is winding down. Buyers should ask every vendor about ownership, funding and data provenance.

Who buys it

Corporate development teams running programmatic acquisition strategies, private equity deal teams and operating partners, independent sponsors and search funds, family offices, and M&A advisors building buyer and target lists.

Typical triggers: a board mandate to grow through acquisitions, a buy-and-build plan for a platform company, a new sector thesis, or a deal team that spends analyst time building target lists by hand from web searches.

Before you buy: what teams do without one

Without a platform, teams build target lists from trade association directories, conference exhibitor lists, web searches and LinkedIn, and wait for bankers to bring deals.

That works for an occasional deal. Buying pays when the team runs a continuous acquisition program, needs coverage of founder-owned companies that databases miss, wants contacts and financial estimates alongside each company, or must track hundreds of targets for signals that they may sell.

What good looks like

CapabilityWhat good looks likeWhy it matters
Coverage of private companiesProfiles for unfunded and founder-owned companies, not only venture-backed ones, with counts by country and sector.The targets a buyer can approach without an auction are often the ones with no funding history.
Search by descriptionKeyword and similar-company search across what a business sells, beyond industry codes.Industry codes lump very different businesses together and miss niche players.
Financial estimatesRevenue and headcount estimates, and reported financials where filings exist.Size filters decide which targets reach the pipeline.
SignalsAlerts on hiring, leadership change, growth and other signs a company may be ready to sell or raise.Timing an approach well matters as much as finding the company.
Contacts and outreachVerified owner and executive contacts, with export to your email tools.Contacts let the team reach owners from the same list.
CRM and AI integrationTwo-way sync with your deal CRM, a browser extension, and an API or MCP connection for AI tools.Sourcing data that never reaches the pipeline system gets lost.

How deal sourcing platforms are built, and who sells each kind

Vendors in this category can take a labeled Spotlight slot on this guide. How Spotlight works

AI company search platforms

Crawl company websites and other sources to profile private companies, including those with no outside funding, and add search, estimates, contacts and workflow.

Fits: Corporate development and private equity teams buying established private companies, especially founder-owned ones.

  • GrataDeal teams that search for private companies by what they sell, including founder-owned firms.
  • SourcescrubInvestment and M&A teams that want company data enriched by people, plus prebuilt target lists.
  • InvenM&A advisors and consulting teams that build market maps, company profiles and decks from its data.

Startup signal platforms

Track startups and the people behind them, using hiring, founder moves, web traffic and funding signals to surface companies early.

Fits: Venture investors and corporate venture or innovation teams looking for early-stage companies.

  • HarmonicVenture investors who want to track startups and founders as they hire, raise and launch.
  • SpecterVC, PE and M&A teams that want company, talent and interest signals in one sourcing tool.

Private market databases

Broad databases of private companies, deals, investors and funds that add sourcing searches and alerts to their core data.

Fits: Teams that want sourcing, deal comps and investor data in one subscription.

  • PitchBookTeams that want deal sourcing alongside private company, transaction, investor and fund data.
  • TracxnInvestors and corporate M&A teams that screen private companies by detailed sector taxonomies.

Deal networks

Online networks where sell-side advisors share mandates with buyers and investors whose criteria match.

Fits: Lower middle market buyers who want sell-side deal flow delivered to them.

  • AxialLower middle market acquirers and investors who want advisor-led deal flow matched to their criteria.

How to choose

Who is in the database

Ask how many companies in your sector and region have no outside funding, and test with 20 owner-operated companies you already know.

How data is built

Web crawling, AI extraction, human research, filings and conference lists each produce different accuracy. Ask how often profiles refresh.

Estimates and their method

Revenue and headcount estimates drive screens. Ask how they are calculated and how they compare with known figures.

Workflow fit

Check CRM sync, browser extension, list sharing, contact export and AI connectors against the tools your team already uses.

Vendor stability

Two platforms merged under Datasite in 2025 and Cyndx has announced a wind-down. Ask about ownership, roadmap and data portability.

How pricing works

Most deal sourcing platforms do not publish prices. They sell annual subscriptions after a demo, usually per seat or by package. Packages differ in data depth, contacts, exports, CRM integration and AI features.

Grata, for example, describes tiered packages aimed at groups from family offices and independent sponsors to investment banks and mega funds, without published prices. Deal networks set different terms for each side. Axial says access is complimentary for qualified M&A advisors and business owners, and acquirers pay only when a transaction closes.

Ask what is capped: exports, contact reveals, saved searches and API calls. Those caps decide whether the price holds as the team scales.

ModelHow it worksWatch for
Per-seat annual subscriptionA fee per user per year, with package tiers adding data, contacts and integrations.Features you need that sit only in the top tier.
Credits for exports and contactsA capped number of company exports or contact reveals per year.Credits that run out during an active acquisition program.
Network success feeTerms differ by side of the deal. Axial lists access as complimentary for qualified advisors and business owners, and says acquirers pay only when a transaction closes.The fee basis on a closed deal, and how many relevant deals the network brought to buyers like you.
API and data licenseA separate license to push data into your CRM, warehouse or AI tools.Restrictions on storing and reusing data after the contract ends.

Implementation

  1. Write the thesisDefine target sectors, products, geographies, size and ownership in plain words. Platforms that search descriptions need a clear thesis.
  2. Blind test coverageGive each finalist 20 known targets and 20 recent acquisitions in your space. Count how many each finds and how accurate the profiles are.
  3. Connect the CRMSync lists and contacts into your deal CRM before launch, so every target has an owner and a status.
  4. Set signals and cadenceSave searches, set alerts and agree a weekly review so new companies and signals get acted on.
  5. Measure sourced dealsTrack meetings, LOIs and closed deals that started in the platform. Use that at renewal.

Confirm before you sign

  • Coverage of unfunded and founder-owned companies in our sectors and regions.
  • Refresh frequency for company profiles and estimates.
  • Method behind revenue and headcount estimates.
  • Contact data included, and the number of contact reveals.
  • Export limits and what happens when you reach them.
  • Two-way CRM sync with our deal CRM.
  • API or MCP access and permitted uses.
  • Ownership, funding and roadmap commitments in writing.
  • Data export rights if the vendor is sold or shuts down.
  • Renewal price cap and notice period.

Questions to ask in a demo

  1. Find companies that match our thesis described in one sentence. How many have no outside funding?
  2. Show 5 of our past acquisitions. How long before the deal did each appear in your platform, and what signals showed?
  3. How was this company's revenue estimate calculated, and how accurate are your estimates against known figures?
  4. How often is each profile refreshed, and what is the source of each field?
  5. Show a list syncing into our CRM, including contacts and notes.
  6. What are the caps on exports, contacts and API calls in the package you are quoting?
  7. What has changed in your ownership, funding or product in the last 12 months, and what is on the roadmap?
  8. If you are acquired or close, what happens to our saved lists and data?

Frequently asked questions

What is a deal sourcing platform?

Software that helps acquirers and investors find private companies to buy or invest in before they come to market. Most index company websites and other sources to profile private businesses, estimate their size, show contacts and flag signals that a company may sell or raise money. They differ from deal databases, which focus on companies that have already raised capital or done deals.

What happened to Sourcescrub and Grata?

Both now belong to Datasite. Datasite acquired Grata on June 3, 2025, with a $500 million investment commitment from its controlling shareholder CapVest, and announced on August 8, 2025 that it had acquired Sourcescrub from Francisco Partners. Datasite said Sourcescrub's data and capabilities will be integrated into Grata. Customers of either should ask about product plans and contract terms.

Is Cyndx still operating?

Its website now carries a letter from founder and CEO Jim McVeigh announcing the decision to wind down and dissolve the company. The letter says some customers and partners have expressed interest in acquiring parts of its technology. Cyndx customers should export their data and evaluate other platforms.

How much does a deal sourcing platform cost?

Most vendors do not publish prices as of October 2026. They sell annual subscriptions by seat or package after a demo, with caps on exports, contact reveals and API calls. Deal networks price differently: Axial says acquirers pay only when a transaction closes. Get quotes on the same seats, data and caps from at least 3 vendors.

Grata vs PitchBook: which do I need?

They start from different data. Grata indexes private companies by what they do, including founder-owned firms with no funding history. PitchBook is a broad private market database of companies, deals, investors and funds, with sourcing tools added. Teams buying owner-operated businesses often need the first; teams that also need deal comps and investor data may prefer the second.

Sources

  1. Datasite acquires Grata with $500 million investment commitment (June 3, 2025)
  2. Datasite to acquire Sourcescrub (August 8, 2025)
  3. Cyndx: wind-down letter from the founder and CEO
  4. Grata pricing packages
  5. Axial: private deal network for the lower middle market
  6. PitchBook: deal sourcing
  7. Sourcescrub

Written by Stratrix editors from public sources and checked claim by claim by a second AI model against those sources. Vendors named in the editorial sections did not pay to be included. Spotlight listings are paid and labeled. Methodology and corrections