Cloud Computing Startups

STX Next is a software and AI consultancy that builds data pipelines, AI agents, cloud infrastructure, custom software, and product design for enterprises, focused on the industrial and financial sectors. It helps clients turn AI experiments and outdated internal processes into integrated operational systems.

1 investor

Submer develops thermal architecture and modular data center infrastructure for high-density AI deployment. The company provides advanced liquid cooling, AI-ready data center solutions, and GPU/AI services operating globally from its Barcelona headquarters.

1 investor

SugarSync is a cloud storage service that lets users sync, back up, access, and share files, documents, photos, and videos across multiple devices such as PCs, Macs, and mobile devices. It offers features including automatic folder syncing, secure file sharing with access controls, and remote wipe to remove synchronized files from lost or stolen devices.

1 investor

Suitebriar is a Google Cloud Premier Partner that helps organizations modernize their operations through Google Workspace and Google Cloud Platform services, including migrations, security, and AI adoption. The company serves enterprises across technology, real estate, manufacturing, education, and the public sector.

1 investor

SuiteFiles is a cloud-based intelligent workspace for professional service firms that combines document management, document creation from templates, digital signing, secure client collaboration, email management, and PDF tools in one platform. It targets accounting and professional service teams, storing data within Microsoft Data Centers and offering integrations with other business apps.

1 investor

Summa is a cloud-native, multi-book-of-record platform for investment management that consolidates data from legacy systems into a digital audit trail. It offers an open API for building reporting and business intelligence across front, middle, and back office functions.

1 investor

Summit Broadband is a fiber-optic telecommunications provider serving residential and business customers in Florida with high-speed Internet, TV, Phone services, and wholesale connectivity solutions. The company operates over 5,500 route miles of fiber-optics infrastructure across the state.

1 investor

Sundial is a Bitcoin-native yield platform that uses a UTXO architecture and Layer 2 scaling to enable institutional-grade yield generation and asset management directly on Bitcoin infrastructure. The platform offers yield products like FIRE and ICE tokens backed by Bitcoin reserves, along with vaults like Solstice that return Bitcoin-denominated rewards while keeping assets on-chain.

1 investor

SL Tools operates a CVM-authorized organized over-the-counter market and an electronic trading platform for fixed income securities and stock lending, connecting banks, brokerages, asset managers and custodians. Its cloud-based system offers real-time trade capture, FIX-protocol API access, price transparency and automated order books for Brazil's fixed income market.

1 investor

SuperMethod builds developer tools and cloud infrastructure services for the internet.

1 investor

SuperOffice is a European CRM platform serving small to medium-sized businesses with scalable solutions for sales, marketing, and customer service. The company operates across Northern and Western Europe with offices in multiple countries and has recently expanded through acquisitions in event management and related software.

1 investor

Superpowered develops an interactive audio development platform for desktop, mobile, IoT, and embedded devices. The platform serves developers, product teams, and technology organizations building audio applications.

1 investor

Superteams.ai provides AI consulting and custom platform engineering for enterprises and high-growth organizations, advising on and building production-ready, AI-native systems that clients own outright. It serves clients across finance, infrastructure, and real estate in India, the Middle East, Southeast Asia, and Europe, deploying systems into private cloud, sovereign VPC, or on-premise environments.

1 investor

Sutherland designs, runs, and automates enterprise operations at scale, building production-grade agentic AI solutions grounded in deep domain expertise. The company serves large enterprises globally through AI-first digital engineering, business process automation, and managed services.

1 investor

Sutro provides a backend infrastructure platform that enables developers to define and deploy production-grade backends through a domain-specific language called SLang. The platform automatically generates data models, APIs, schemas, validation, and async workflows for applications.

1 investor

Swingvy provides cloud-based HR software that centralizes employee information, organization charts, directories, and e-payslips, and supports leave and expense claim workflows. It is aimed at companies managing distributed or remote teams that need secure, accessible HR records.

1 investor

cloudSwXtch is a software-based network switch that enables multicast, lossless packet flows, and real-time media distribution across cloud, on-premises, and hybrid environments without requiring code changes. It serves media and broadcast organizations that need standards-compliant (IGMPv2/3, SMPTE 2110) network infrastructure across distributed infrastructure.

1 investor

Enreach (founded 1999 as Swyx) develops unified communications software that consolidates business telephony and communication into a single platform accessible via PC and smartphone apps, including cloud telephony and AI-based solutions. It serves small, medium, and large enterprises across Europe, distributed through a network of certified specialist resellers.

1 investor

Sybrin offers document verification and identity validation services that combine intelligent document capture, data extraction, and fraud detection using AI and optical character recognition. The solution is designed for regulated industries to streamline onboarding, strengthen compliance, and detect document fraud.

1 investor

Synamedia provides a SaaS portfolio of video streaming solutions for TV operators, telecom operators, and content owners, covering content delivery, security, discovery, advertising, and monetisation. Its offerings include cloud-based OTT and viewing platforms, addressable TV advertising, broadband/Wi-Fi device management, and forensic watermarking for piracy protection.

1 investor

SynaXG develops O-RAN infrastructure software and solutions that combine artificial intelligence with 5G and next-generation wireless technologies for telecommunications providers. The company serves both public and private network customers with cloud RAN, distributed RAN, fixed wireless access, and enterprise private 5G network solutions.

1 investor

Synergy ECP provides data transport infrastructure, DevSecOps platforms, and cloud-native engineering services designed for enterprise mission environments, particularly supporting U.S. intelligence community and defense sector operations.

1 investor

Synth provides tools for applied AI research and development, enabling developers to build prototypes, run evaluations, and optimize AI software both locally and on cloud infrastructure. The platform combines open-source components with managed cloud services.

1 investor

SysCloud provides automated, immutable cloud backup and rapid recovery for SaaS applications, with features for ransomware detection, eDiscovery, compliance monitoring, data retention, and storage cost control. It serves IT admins and organizations that need to protect SaaS data, and includes an AI copilot for backup management.

1 investor