Constant Contact vs One-Se
Constant Contact vs One-Se, compared side by side on 10 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: Constant Contact is on 52/100 and One-Se on 10/100.
Where each one leads
Constant Contact
- our overall score: 52/100 against 10/100
One-Se
- agent readiness: 50/100 against 44/100
At a glance
| Measure | Constant Contact | One-Se |
|---|---|---|
| What it is | Digital marketing platform for small businesses and nonprofits, offering email, SMS, social media, and CRM tools. | A UK-based company focused on providing a platform for managing and optimizing online presence. |
| Category | Digital Marketing, Email Marketing, Marketing Automation, CRM | Digital Marketing, Online Presence Management, Marketing Automation, Customer Engagement |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 1995 | 2026 |
| Headquarters | Waltham, United States | United Kingdom |
| Status | Active | Inactive |
Size, funding and growth
| Measure | Constant Contact | One-Se |
|---|---|---|
| Employees | 1,149 | Not published |
| Total funding | $37.0M | Not published |
| Latest round | Post IPO | Not published |
| LinkedIn followers | 44,549 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Constant Contact | One-Se |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 52/100 | 10/100 |
| Traction | 58/100 | Not published |
| Team | 30/100 | Not published |
| Community | 8/100 | Not published |
| Search visibility | 45/100 | 13/100 |
| Quality | 58/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (44/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 92/100 | Not published |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Constant Contact | One-Se |
|---|---|---|
| CDN | Cloudflare | Not detected |
Constant Contact vs One-Se: common questions
Which is better, Constant Contact or One-Se?
On our 0-100 score Constant Contact rates higher (52/100 against 10/100). 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 10 data points above: read the rows that match what you are buying for.
How do Constant Contact and One-Se compare on the numbers?
Constant Contact leads on our overall score (52/100 against 10/100). One-Se leads on agent readiness (50/100 against 44/100).
Read the full Constant Contact review and pricing or the One-Se review and pricing. You can also browse other Constant Contact alternatives we track.