Last updated 2026-07-20
- Raised Undisclosed Round, Jan 2026
Total raised
—
Last: Undisclosed Round 2026-01
Stage
Seed
Founded
2025
Headcount
10
HQ
Herzliya, Israel
Sector
Business Software
About
Arithmo builds software solutions that make AI systems, particularly large language models and other inference-heavy AI workloads, significantly more cost-effective, faster and more energy efficient for enterprise-scale use.
Funding history · 1 round · — total
2026-01
Undisclosed Round
Undisclosed
Q&A
- What is Arithmo's primary business activity?
- Arithmo focuses on LLM Inference Optimization to reduce AI runtime costs for enterprises, SaaS companies, developers, and AI engineering teams. Its infrastructure optimizes how LLM and inference-heavy requests are processed.
- When was Arithmo founded?
- Arithmo was founded in December 2025.
- Who are the co-founders of Arithmo?
- The co-founders of Arithmo are Einat Tamir, who serves as Co-founder & CEO, and Amos Kopels, who is the Co-founder & CTO.
- Which investors participated in Arithmo's funding round in January 2026?
- ATOORO Fund and VentureIsrael participated in Arithmo's funding round in January 2026.
- What is Arithmo's current product stage?
- Arithmo's product is currently in the R&D stage.
- What is Arithmo's primary sector classification?
- Arithmo's primary sector classification is Business Software.
Team · 2
Einat Tamir
Founder · CEO & Co-Founder
Amos Kopels
Founder · CTO & Co-Founder
Sectors & technology
Primary sector
Business Software
Sub-sectors
Business SoftwareIT, R&D & Data SolutionsSoftware Development Tools
Business model
B2B
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
External links
| Website | arithmo.io/ |
|---|---|
| linkedin.com/company/arithmo-io | |
| X / Twitter | arithmo_io |
| facebook.com/arithmo.io |
Identifiers & details
| Legal name | ARITHMO.SYSTEMS LTD |
|---|---|
| Founded | 2025 |
| Employees (exact) | 10 |
Radar intelligence
Patents
| EPO | 2 |
|---|
Web history (Wayback)
| Domain | arithmo.io |
|---|
Certificate / subdomain footprint
| Subdomains | 30 |
|---|
Israeli Companies Registrar (רשם החברות / ICA)
| Registrar # (ח.פ.) | 517243515 |
|---|---|
| Status | פעילה |
| Corp type | ישראלית חברה פרטית |
| Incorporated | 2025-11-12 |
| Purpose | לעסוק בכל עיסוק חוקי |
| Liability | מוגבלת |
| In violation (unfiled) | no |
| Active charges / liens | 1 |
| Registry events | 3 — name_change (1), people (1), charge (1) |
| Name changes | 2026-01-15 |
| Registered address | האשל 7 הרצליה |
Recent registry events
| Date | Event |
|---|---|
| 2026-01-15 | שינוי שם |
| 2026-01-12 | עדכון בעלי תפקידים |
| 2025-12-03 | רישום שעבוד |