Expel vs Synack
Expel vs Synack, compared side by side on 18 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: Expel is on 66/100 and Synack on 52/100.
Where each one leads
Expel
- our overall score: 66/100 against 52/100
- funding raised: $268M against $107M
Synack
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Expel | Synack |
|---|---|---|
| What it is | Managed detection and response provider using AI and automation to enhance cybersecurity. | Crowdsourced security platform pairing ethical hackers with AI for continuous, scalable penetration testing. |
| Category | Cybersecurity, Managed Detection and Response, Threat Detection, Incident Response | Cybersecurity, Penetration Testing, Vulnerability Management, Crowd-Sourced Security |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2016 | 2013 |
| Headquarters | Herndon, United States | Redwood City, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Expel | Synack |
|---|---|---|
| Employees | 478 | Not published |
| Open roles | Not published | 1 |
| Total funding | $268M | $107M |
| Latest round | Series E | Series D |
| Valuation | $1.0B | Not published |
| LinkedIn followers | 30,675 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Expel | Synack |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 66/100 | 52/100 |
| Traction | 60/100 | 40/100 |
| Team | 70/100 | Not published |
| Community | 15/100 | Not published |
| Search visibility | 22/100 | 18/100 |
| Quality | 78/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (49/100) | D (51/100) |
| Domain ratingLink authority, 0-100 | 71/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Expel | Synack |
|---|---|---|
| Hosting | AWS | Not detected |
| CDN | Not detected | Cloudflare |
| CMS | WordPress | WordPress |
| Frameworks | Not detected | Jquery |
| Analytics | Microsoft Clarity | Google Analytics 4, Google Tag Manager |
| Support stack | Not detected | HubSpot |
| Open source | Yes | No |
Expel vs Synack: common questions
Which is better, Expel or Synack?
On our 0-100 score Expel rates higher (66/100 against 52/100). 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 18 data points above: read the rows that match what you are buying for.
How do Expel and Synack compare on the numbers?
Expel leads on our overall score (66/100 against 52/100), funding raised ($268M against $107M).
Read the full Expel review and pricing or the Synack review and pricing. You can also browse other Expel alternatives we track.