Retym

Optical Communication Infrastructure

Industrial Technologies
Private

Company Overview

Snapshot

Founded in April 2021 by Sachin Gandhi and Dr Roni El-Bahar, Retym operates with 51–200 employees. The company has raised $115.4 million across two funding rounds from four investors, with Spark Capital leading a Series D round in March 2025.

Business overview

Retym develops semiconductor technology focused on next-generation data center connectivity, specifically designed to support AI infrastructure. The company's core product involves coherent digital signal processors (DSPs) that facilitate high-bandwidth, low-latency interconnects between data centers. These power-efficient DSPs are engineered to optimize data movement within hyperscale environments, providing an open architecture for optical module makers. Retym serves the data center and telecommunications network industries, addressing the increasing demand for scalable and energy-efficient connectivity.

Strategic signal

In April 2025, Retym secured $75 million in Series D funding, a significant capital injection that validates the company's technology and market position in AI-era data center infrastructure. This funding signals strong investor confidence in Retym's ability to address critical performance bottlenecks in scaling AI workloads, positioning the company for accelerated growth and further development of its semiconductor solutions.

Company Intelligence Q&A

What is Retym's primary focus?
Retym focuses on developing semiconductor technology for next-generation data center connectivity, particularly for AI infrastructure.
What was Retym's most recent funding round?
In March 2025, Retym secured a Series D funding round from investors including Spark Capital.
How much capital has Retym raised to date?
Retym has raised a total of $115.4 million across two funding rounds.
What kind of technology does Retym develop?
Retym develops coherent digital signal processors (DSPs) designed to enable high-bandwidth, low-latency interconnects for data centers and telecommunications networks.