Cloud Computing Startups

Rakus provides cloud-based IT services under its "Rakuraku Cloud" brand to help companies improve business efficiency, covering expense management, invoice issuing, sales management, and attendance management for back-office and front-office operations. The company serves businesses in Japan.

1 investor

Rank Junction Pvt. Ltd. is a technology company that designs, develops, and deploys custom software, cloud-based applications, mobile apps for Android and iOS, and AI-driven systems for businesses and institutions. Founded in 2011 as India's first ranking platform for competitive exams (notably NEET PG aspirants), it later pivoted from edtech into a broader AI-focused software product company.

1 investor

Raygun provides application monitoring software including crash reporting, real user monitoring, and application performance monitoring (APM) with code-level diagnostics and AI-assisted error resolution. It serves engineers, analysts, and SREs at companies of all sizes to reduce errors and improve the performance of web and mobile applications.

1 investor

Reliance Group is a large Indian conglomerate providing consumer-facing products and services across multiple business segments. The company operates as one of India's largest employers with a focus on delivering state-of-the-art solutions to Indian consumers.

1 investor

Readii provides managed services including fibre and telephony solutions for businesses. The company assists organizations in modernizing their telecommunications infrastructure and telephony systems.

1 investor

ReadMe is a documentation platform for creating and hosting interactive API documentation, where teams set up branded projects on their own subdomain and manage docs from a central dashboard. It targets developer and API-focused teams building and maintaining product documentation.

1 investor

Recursal offers a single API that provides access to thousands of open-source AI models, including trending Hugging Face models, without setup or hosting. It targets developers and businesses building production AI with low-latency, usage-based or flat-rate inference, and offers dedicated GPU deployments.

1 investor

Red Planet Labs develops Rama, a unified platform for building and operating large-scale application backends on the JVM (Java, Clojure), integrating storage, computation, stream processing, and deployment so developers can build entire backends with far less code and infrastructure. It targets software teams building applications such as social networks, analytics systems, recommendation engines, and transactional apps, replacing combinations of databases, queues, and processing frameworks.

1 investor

RED Technologies provides cloud-based spectrum access and sharing solutions for telecommunications operators, enabling dynamic spectrum sharing for CBRS and 5G networks. The company serves telecom operators of all sizes and sectors managing spectrum allocation and capacity.

1 investor

Refiant builds a suite of compressed, energy-efficient AI models that run on edge devices or in the cloud, deployable directly, via configuration, or through an API. Its approach makes model context abundant rather than relying on RAG, chunking, and summarization to work around limited context windows.

1 investor

1 investor

Reflex offers a low-latency GPU cloud for training, fine-tuning, and serving robot models, streaming observations in and returning actions in under 30 ms. It targets AI and robotics teams deploying vision-language-action models across robot fleets through a single WebSocket API.

1 investor

Relatel offers cloud-based phone switchboard (omstilling) solutions for small and mid-sized businesses to handle incoming calls, with features like main numbers, welcome greetings, menu options, and call queuing. Its Danish service includes tiers for basic call handling and more advanced contact-center functions such as queue management, satisfaction ratings, and call notes.

1 investor

1 investor

Resilio Active Everywhere is a peer-to-peer data transfer and synchronization platform that enables high-performance data movement across distributed storage systems on-premises, in the cloud, and at the edge. The platform serves enterprise engineering teams and organizations that need fast, reliable file distribution and synchronization at scale without data migration.

1 investor

Resolve Tech Solutions (RTS) is an IT services firm providing SAP, cloud, and AI consulting, along with data engineering, big data, and analytics implementations. It helps enterprises, including Fortune 500 companies, migrate legacy business intelligence data to cloud-based big data infrastructure for modernization projects.

1 investor

Revenium provides real-time attribution and cost monitoring for AI spend, breaking down every model call, agent turn, and tool call by team, customer, feature, and agent. It connects cost to outcomes (TCO, COGS, ROI per workflow), flags waste, and lets teams set spending guardrails to catch cost runaways before they hit the bill.

1 investor

Rhelixa provides genomic and epigenomic analysis services and consulting to life science researchers, as well as a cloud-based research support platform for medical and biological research. The company also conducts research and development related to anti-aging.

1 investor

RunInfra benchmarks machine learning models and serving engines across different GPUs, provides real performance measurements (latency, throughput, cost), and delivers a deployment-ready kit that runs on the user's choice of cloud infrastructure. The platform serves machine learning engineers and teams building inference workloads who need transparent, portable model deployment options.

1 investor

Snow Commander is a hybrid cloud management platform that automates resource provisioning, lifecycle management, and multi-cloud visibility across public and private cloud environments including AWS, Azure, GCP, and on-premises infrastructure.

1 investor

Rinstack is an AI-powered platform for building and managing cloud infrastructure, letting users generate Terraform-based infrastructure from natural language, run cost and security reviews, and deploy via CI/CD. It supports multiple cloud providers (AWS and Sakura Cloud, with Azure, GCP, and Oracle Cloud planned), integrates with Slack, and includes learning content aimed at users without infrastructure expertise.</parameter> <parameter name="founders">[]

1 investor

Ritter Communications provides fiber-optic internet, TV, and phone services to residential and business customers, including whole-home WiFi and cloud solutions for businesses. It operates in Arkansas and Tennessee.

1 investor

Rivet provides infrastructure for AI agents and realtime applications, offering stateful compute primitives called Actors that run in Node.js or Bun backends. The platform supports deployment options ranging from local libraries to fully managed cloud services or self-hosted environments with compliance features like air-gapped and on-premises support.

1 investor

RoboAmp, located in Rockwall, Texas, provides web performance optimization technology for website owners. The service is aimed at reducing mobile page load times to roughly one second, with the goal of improving site usability and conversion rates.

1 investor