Retym

Retym develops semiconductor technology for next-generation data center connectivity, with a focus on supporting AI infrastructure.

Industrial Technologies
Active
Series D Tel Aviv-Yafo, Israel Founded 2020
Last updated 2026-07-26
Total raised
$115.4M
Last: Undisclosed Round 2025-03
Stage
Series D
Founded
2020
Headcount
78
HQ
Tel Aviv-Yafo, Israel
Sector
Industrial Technologies

About

Retym develops pioneering Digital Signal Processing (DSP) innovations to unlock AI's potential and empower AI-driven networks. They provide a neutral DSP provider fostering an open coherent optics ecosystem, with patented analog, error correction, and equalization algorithms for performance and power optimization. Retym serves data centers and telecommunications. 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

2025-02
D Round $75.0M
★ Spark CapitalMayfield FundKleiner PerkinsFidelity Investments
2023-04
C Round $40.4M
★ Mayfield FundKleiner PerkinsFidelity Investments

Headcount over time

From 26 (2023-01) to 77 (2026-03) · +51 (+196%) · 8 points · source: Finder history + radar grounding
770 2023-01 2026-03

Q&A

What is Retym's primary focus?
Retym develops semiconductor technology for next-generation data center connectivity, with a focus on supporting AI infrastructure.
Where is Retym headquartered?
Retym is headquartered in Tel Aviv-Yafo, Israel.
What is Retym's total funding to date?
Retym has raised a total of $115.4 million USD.
When did Retym complete its most recent funding round and who led it?
In March 2025, Retym completed a D Round, led by Spark Capital.
Who are the co-founders of Retym?
The co-founders of Retym are Sachin Gandhi (CEO) and Roni El-Bahar (CTO).

Team · 2

Roni El-Bahar
Founder · CTO
Sachin Gandhi
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

Websiteretym.com
LinkedInlinkedin.com/company/74681728

Identifiers & details

Legal nameRETYM ISRAEL LTD
Founded2020
Employees (exact)78
OfficesCupertino

Radar intelligence

Patents

EPO16

GitHub

Top repostmi_soa_translator

Web history (Wayback)

Domainretym.com

Certificate / subdomain footprint

Subdomains13

Israeli Companies Registrar (רשם החברות / ICA)

Registrar # (ח.פ.)516370798
Statusפעילה
Corp typeישראלית חברה פרטית
Incorporated2021-04-05
Purposeלעסוק בכל עיסוק חוקי
Liabilityמוגבלת
In violation (unfiled)yes
Last annual report2026
Active charges / liens0
Registry events3 — violation (1), people (1), annual_report (1)
Registered addressאלון יגאל 82 תל אביב - יפו

Recent registry events

DateEvent
2026-06-25עדכון הפרה
2025-11-06עדכון בעלי תפקידים
2026-02-03דו~ח שנתי