Last updated 2026-06-18
- Raised $75M funding round led by Spark Capital, Mar 2025
- Raised $40.4M funding round led by Mayfield Fund, May 2023
Total raised
$115.4M
Last: 2025-03
Stage
Series D
Founded
2021
Headcount
68
HQ
Tel Aviv-Yafo, Israel
Sector
Industrial Technologies
About
Retym develops semiconductor technology for next-generation data center connectivity, with a focus on supporting AI infrastructure. The company designs coherent digital signal processors (DSPs) that enable high-bandwidth, low-latency interconnects between data centers, addressing a key performance bottleneck as AI workloads scale. Retym’s power-efficient DSPs are built to optimize data movement across hyperscale environments, offering a flexible, open architecture that gives optical module makers greater control. The solution supports the growing demand for scalable, energy-conscious connectivity in both data centers and telecommunications networks.
Funding history · 2 rounds · $115.4M total
2023-05
Q&A
- What is Retym's primary focus in semiconductor technology?
- Retym develops semiconductor technology for next-generation data center connectivity, specifically focusing on coherent digital signal processors (DSPs) to support AI infrastructure with high-bandwidth, low-latency interconnects.
- When was Retym founded?
- Retym was founded in April 2021.
- Where is Retym's headquarters located?
- Retym's headquarters is located in Tel Aviv-Yafo, Israel.
- How many employees does Retym currently have?
- Retym has an employee count in the 51-200 range.
- What was Retym's most recent funding round?
- In March 2025, Retym raised $75,000,000 in a funding round led by Spark Capital.
- Which investors participated in Retym's May 2023 funding round?
- In May 2023, Retym secured funding with Mayfield Fund as a lead investor.
- What is the total amount of funding Retym has raised to date?
- Retym has raised a total of $115,400,000 USD.
- Who are the co-founders of Retym?
- The co-founders of Retym are Sachin Gandhi, who serves as Co-founder & CEO, and Dr. Roni (Aharon) El-Bahar, who is the Co-founder & CTO.
Team · 2
Founder · Co-founder & CEO
Sectors & technology
Primary sector
Industrial Technologies
Sub-sectors
Industrial TechnologiesMicroelectronics & Photonics Solutions
Technologies
Semiconductors & Electronics
Target customers
Enterprise & Professional ServicesITData CentersCommunication ServicesDiversified Telecommunication Services
Business model
B2B
Tags
fiber-opticselectronic-manufacturing
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
External links
| Website | retym.com |
|---|---|
| linkedin.com/company/74681728 |
Identifiers & details
| Founded | 2021-4 |
|---|---|
| Employees (exact) | 68 |
| Offices | Cupertino |
Radar intelligence
Patents
| EPO | 16 |
|---|
Web history (Wayback)
| Domain | retym.com |
|---|
Certificate / subdomain footprint
| Subdomains | 13 |
|---|