Sillage vs TheirStack

Sillage vs TheirStack, compared side by side on 16 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Sillage is on 44/100 and TheirStack on 33/100.

Sillage logo
SillageAI startup helping enterprise sales teams turn buying signals into qualified pipeline.
Try Sillage
TheirStack logo
TheirStackSales and marketing intelligence platform that identifies potential customers based on technology usage and hiring signals.
Try TheirStack

Where each one leads

Sillage

  • our overall score: 44/100 against 33/100

TheirStack

  • agent readiness: 35/100 against 22/100
  • domain rating: 47/100 against 3/100

At a glance

MeasureSillageTheirStack
What it isAI startup helping enterprise sales teams turn buying signals into qualified pipeline.Sales and marketing intelligence platform that identifies potential customers based on technology usage and hiring signals.
CategorySales Intelligence, Go-to-Market Automation, Revenue Operations, AI AgentsSales Intelligence, Marketing Intelligence, Lead Generation, Market Research
Sells toBusiness modelB2BB2B
OfferingPlatformPlatform
Founded20252025
HeadquartersParis, FranceTel Aviv, Israel
StatusActiveActive

Size, funding and growth

MeasureSillageTheirStack
EmployeesNot published5
Total funding$2.0MNot published
Latest roundPre-SeedNot published
LinkedIn followersNot published1,210

StartupHub scores

Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.

MeasureSillageTheirStack
StartupHub scoreOur 0-100 rating44/10033/100
Traction32/1008/100
Team70/10060/100
Search visibility26/10045/100
Quality48/100Not published
Agent readinessHow well an AI agent can read and act on the siteF (22/100)F (35/100)
Domain ratingLink authority, 0-1003/10047/100

Technology

Detected on each public site, so it reflects the marketing stack as well as the product.

MeasureSillageTheirStack
HostingVercelVercel
CDNVercelVercel
FrameworksNot detectedNext.js, Tailwind CSS
AnalyticsGoogle Analytics 4Google Tag Manager

Product and pricing

MeasureSillageTheirStack
Key featuresNot publishedTechnology Usage & Hiring Signals, Hiring signals, Technographic signals, Buying intent signals, Game-changing targeting criterias, Pains and intents

Sillage vs TheirStack: common questions

Which is better, Sillage or TheirStack?

On our 0-100 score Sillage rates higher (44/100 against 33/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 16 data points above: read the rows that match what you are buying for.

How do Sillage and TheirStack compare on the numbers?

Sillage leads on our overall score (44/100 against 33/100). TheirStack leads on agent readiness (35/100 against 22/100), domain rating (47/100 against 3/100).

Read the full Sillage review and pricing or the TheirStack review and pricing. You can also browse other Sillage alternatives we track.