Cloud Computing Startups

Harmonic develops cloud-native, virtualized broadband solutions that enable service providers to deliver multi-gigabit connectivity and streamline network operations. The company serves cable and broadband providers worldwide with AI-powered network intelligence and managed services to support a transition to 10G fiber-based services.

2 investors

HarperDB is a backend platform that combines a database, REST and GraphQL APIs, caching, real-time messaging, vector search, and blob storage from a single schema definition, so developers can build application backends without separate frameworks or services. It supports local development and globally distributed deployment through its Fabric platform.

2 investors

HashQuark provides Web3 infrastructure and yield services focused on staking and asset appreciation for clients in the cryptocurrency ecosystem.

2 investors

Hatchet is an orchestration platform for building and running mission-critical workflows, background tasks, and AI agent applications. It provides task scheduling, retry logic, event-driven triggers, and monitoring through a managed cloud service or self-hosted deployment.

2 investors

GameFabric is a game server orchestration platform that unifies bare metal and cloud infrastructure under a single API for multiplayer game studios. It enables developers to deploy game servers across dedicated hardware, cloud providers, or hybrid models with low-latency performance, automatic scaling, and built-in DDoS protection.

2 investors

Hazelcast provides a distributed in-memory data platform offering caching, data integration, in-memory compute, and stream processing for building real-time applications. It serves enterprise customers such as banks and payment processors, with a cloud-native, Kubernetes-supported architecture.

2 investors

heata runs compute workloads such as 3D rendering, CFD, finite element analysis and climate modelling on units installed in homes, using the servers' waste heat to provide free hot water to households. It offers architectural practices, visualisation studios and research users a way to lower the carbon footprint of their batch compute while helping reduce fuel poverty.

2 investors

Heavybit is a venture capital firm that invests in enterprise infrastructure and developer-focused startups, providing capital and hands-on go-to-market support. It works with technical founders to help them scale operations, finance, and go-to-market.

2 investors

Hicap provides a unified API platform that routes AI requests to 100+ language models across multiple providers, with built-in observability, cost optimization, and access controls. It serves development teams and enterprises managing production AI infrastructure.

2 investors

A platform for transferring large files and managing creative reviews with annotations, versioning, and reviewer feedback.

2 investors

Holo provides infrastructure and hosting services built on Holochain, offering platform tools and partner integrations. The company builds and maintains distributed hosting and infrastructure products.

2 investors

home.pl is the TeamViewer Champion Partner in Poland, offering remote access and device management solutions for businesses, including remote desktop control, online meetings, and IT support capabilities.

2 investors

Hookdeck provides an event gateway platform for building and managing event-driven applications through webhooks and distributed events. The platform enables engineering teams to reliably integrate multiple software components and services using eventual-consistency architecture.

2 investors

HOPR provides a Cloud Native Automated Moving Target Defense (AMTD) that fractures an application's attack surface into dynamic "shards" using its Runtime Microsharding technology. The approach aims to prevent credential theft and lateral movement by making trusted workloads unpredictable and difficult for attackers to target.

2 investors

Hotelogix is a cloud-based hotel property management system (PMS) covering front desk operations, bookings, channel/OTA and GDS distribution, billing, and guest experience tools. It serves hotels, hotel groups and chains, resorts, boutique hotels, hostels, aparthotels, vacation rentals, and other hospitality businesses across 100+ countries.

2 investors

Protolabs Network operates a digital platform connecting product designers and engineers with a global network of over 250 manufacturing partners to accelerate time-to-market for innovations. The company serves the manufacturing and industrial product development sectors with on-demand manufacturing services.

2 investors

Hybrid Access Technologies provides multi-link connectivity software, including SD-WAN thin-client and link-bonding technology that combines multiple network connections (broadband, 4G/5G, satellite, FWA, FTTP) into a single virtual pipe. It serves communications service providers for residential, SMB, smartphone, and IoT applications, with customers such as Vodafone, BT, and Liberty Global.

2 investors

HyCom develops an xPU Connectivity Platform using electro-optic waveguide modulators for AI data centers, enabling higher-performance data transfer while consuming significantly less energy and requiring reduced physical space. The platform targets data center operators seeking more efficient cooling and compact infrastructure solutions.

2 investors

Hyland offers a cloud-native platform that unifies fragmented enterprise content and enables AI-driven automation through content federation, contextual enrichment, and agentic workflows. The platform helps organizations transform unstructured data into governed intelligence to support enterprise-scale AI adoption and automate document-centric business processes.

2 investors

Hype Labs operates a Wi-Fi roaming marketplace and settlement platform that automates billing, partner matching, and connectivity transactions between network providers and identity providers. The platform eliminates manual reconciliation and bilateral negotiations by providing standardized clearing, dynamic pricing, and real-time settlement for Wi-Fi federation partners.

2 investors

Hyper9 was a virtualization management software provider whose product offered VMware capacity planning, VM sprawl control, performance monitoring, configuration management, and chargeback automation for IT teams. The company was acquired by SolarWinds in January 2011, and its product became SolarWinds Virtualization Manager.

2 investors

Bertha 500 is an AI inference accelerator hardware chip designed for cloud data centers, optimized for energy efficiency and cost-effectiveness compared to traditional GPU alternatives. Built on 4nm technology with custom architecture, it delivers superior throughput and power efficiency for generative AI workloads.

2 investors

Hyperbeam provides a remote desktop and mobile embedding platform that allows developers to embed any third-party website or application directly into web apps with synchronized audio and video for multiple participants. The service enables real-time collaboration with multi-user control capabilities, supporting up to 10,000 active participants through a REST API and NPM package.

2 investors

HyperDX provides distributed tracing and observability software for developers, enabling end-to-end request tracing from browsers and phones to backend servers. The platform uses ClickHouse for fast search across event data and includes features for session replay correlation, log aggregation, and metrics visualization.

2 investors