Double vs Karbon
Double vs Karbon, compared side by side on 19 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: Double is on 57/100 and Karbon on 63/100.
Where each one leads
Double
Leads on none of the measures we hold for both companies.
Karbon
- our overall score: 63/100 against 57/100
- agent readiness: 64/100 against 48/100
- domain rating: 75/100 against 57/100
- headcount: 415 against 84
- funding raised: $53.0M against $12.5M
- LinkedIn following: 65,081 against 6,125
At a glance
| Measure | Double | Karbon |
|---|---|---|
| What it is | Month-end close and practice management software for bookkeepers and accountants. | Workstream collaboration platform for accounting firms to manage workflows and client work. |
| Category | Accounting Software, Practice Management Software, Fintech, SMB Software | Vertical SaaS, LegalTech, Accounting Software, Workflow Automation |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | platform | Software |
| Founded | 2020 | 2014 |
| Headquarters | San Francisco, United States | Melbourne, Australia |
| Status | Active | Active |
Size, funding and growth
| Measure | Double | Karbon |
|---|---|---|
| Employees | 84 | 415 |
| Headcount growthLast 12 months | Not published | +19.4% |
| Open roles | 3 | Not published |
| Total funding | $12.5M | $53.0M |
| Latest round | Seed | Series B |
| LinkedIn followers | 6,125 | 65,081 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Double | Karbon |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 57/100 | 63/100 |
| Traction | 55/100 | 59/100 |
| Team | 70/100 | 70/100 |
| Community | 8/100 | Not published |
| Search visibility | 34/100 | 33/100 |
| Quality | 58/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (48/100) | C (64/100) |
| Domain ratingLink authority, 0-100 | 57/100 | 75/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Double | Karbon |
|---|---|---|
| Hosting | Not detected | Netlify |
| CDN | Cloudflare | Netlify |
| CMS | WordPress | Not detected |
| Frameworks | Jquery | Not detected |
| Analytics | Google Tag Manager, Facebook Pixel | Not detected |
| Support stack | HubSpot | Not detected |
Double vs Karbon: common questions
Which is better, Double or Karbon?
On our 0-100 score Karbon rates higher (63/100 against 57/100). 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 19 data points above: read the rows that match what you are buying for.
How do Double and Karbon compare on the numbers?
Karbon leads on our overall score (63/100 against 57/100), agent readiness (64/100 against 48/100), domain rating (75/100 against 57/100), headcount (415 against 84), funding raised ($53.0M against $12.5M), LinkedIn following (65,081 against 6,125).
Read the full Double review and pricing or the Karbon review and pricing. You can also browse other Double alternatives we track.