SIOS Technology Corp.

What SIOS Technology Corp. does

SIOS Technology Corp. is a US-headquartered (San Mateo, California) enterprise software company that develops high availability (HA) and disaster recovery (DR) clustering software for mission-critical applications, databases, and ERP systems in Windows and Linux environments. The product portfolio centers on SIOS LifeKeeper, an application-aware clustering solution with proprietary Application Recovery Kits (ARKs) that codify application-specific failover best practices for SAP, Oracle, SQL Server, and other enterprise workloads, and SIOS DataKeeper, a host-based block-level replication engine that enables SANless clustering by eliminating the need for shared storage hardware. The company also offers the bundled SIOS Protection Suite, a single-server monitoring add-on, and a professional services line covering installation, standby engineering, custom ARK development, health checks, and training.

The business generates revenue through software licensing and subscriptions (perpetual and annual support arrangements), cloud marketplace sales across AWS, Azure, and Google Cloud Platform, professional services, and instructor-led training. Go-to-market is primarily enterprise field sales augmented by a channel partner network (including Vaske in the US and regional resellers in Europe and Asia-Pacific) and direct marketplace listings. SIOS reports 80,000+ installed licenses globally and serves customers in financial services, healthcare, manufacturing, retail, technology, and broadcasting, with operational scale at 51-100 employees and engineering and customer-experience operations co-located in Columbia, South Carolina. The company holds ISO 27001 certification, AWS Resilience Software Competency, and SAP certification for NetWeaver and S/4HANA, and positions itself as the only Azure-certified high availability solution for Windows Server Failover Clustering.

Name

SIOS Technology Corp.

Legal name

SIOS Technology Corp.

Website

https://us.sios.com

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

51–100 employees

Short description

SIOS Technology Corp. develops high availability and disaster recovery clustering software that protects mission-critical applications, databases, and ERPs in Windows and Linux environments, serving enterprise customers across financial services, healthcare, manufacturing, and retail via direct sales, channel partners, and cloud marketplaces.

Ownership category

akta.pro rank

Product category

High Availability and Disaster Recovery Software

NAICS

Computer Systems Design and Related Services (5415), Computer Systems Design and Related Services (54151), Computer Facilities Management Services (541513), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518210)

SIC

Services-Computer Integrated Systems Design (7373), Services-Computer Programming Services (7371), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

High Availability & Failover Clustering (HDABAIAC)

akta.pro secondary industries

Disaster Recovery Testing, Simulation & Compliance Reporting (HDABAIAL), High Availability & Failover Architecture Services (BPAEALAE), Network Resilience & High Availability Services (Redundancy, Failover) (BPAEAEAL), Fault & Performance Monitoring (SNMP/Telemetry/APM for Networks) (HDAFAMAA)

Keywords

• High availability clustering
• Disaster recovery software
• SANless clustering
• Data replication software
• Application failover

Headquarters

HQ city

San Mateo

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure

Revenue model

1. Software Licenses and Subscriptions: SIOS generates revenue primarily through licensing of its clustering software products including SIOS LifeKeeper and SIOS DataKeeper. Products are sold as perpetual licenses or subscription-based with annual support and maintenance.
2. Professional Services: Implementation, installation, consulting, and validation services performed by HA specialists. Includes installation services, standby engineering, custom ARK development, health checks, and white glove support.
3. Product Training: Instructor-led and on-demand training courses for SIOS LifeKeeper and DataKeeper administrators, offered through Udemy platform and private sessions.
4. Cloud Marketplace Sales: Revenue generated through AWS Marketplace, Azure Marketplace, and Google Cloud Platform partner channel listings where customers can purchase and deploy SIOS software.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels7 records

Core offering

SIOS Technology Corp. develops and licenses high availability clustering and disaster recovery replication software that protects mission-critical applications, databases, and ERP systems from downtime. The portfolio centers on SIOS LifeKeeper (full-featured HA/DR clustering for Windows and Linux) and SIOS DataKeeper (block-level host-based replication that enables SANless clustering with Windows Server Failover Clustering), sold separately or bundled as the SIOS Protection Suite. The company also delivers implementation, standby engineering, health check, and product training services.

Product overview

SIOS Technology Corp. offers a portfolio of high availability and disaster recovery clustering software products. The core offerings consist of SIOS LifeKeeper (available for both Windows and Linux), a full-featured HA clustering solution with application-aware failover capabilities, and SIOS DataKeeper, a SANless clustering add-on for Windows Server Failover Clustering that provides block-level data replication. These products can be purchased separately or as the bundled SIOS Protection Suite. SIOS Single Server Protection provides monitoring and restart capabilities for less critical applications. The company also offers professional services including installation, training, health checks, and custom Application Recovery Kit development. All products support SAN and SANless clustering configurations across physical, virtual, cloud, and hybrid environments.

Differentiator

Problem solved

Functional benefit

Products and services

• SIOS LifeKeeper for Linux Full-featured high availability and disaster recovery clustering software for Linux environments, providing application-aware failover orchestration using Application Recovery Kits (ARKs) for SAP S/4HANA, SQL Server, Oracle, and other mission-critical applications. Delivers 99.99% application availability on premises, in cloud, and hybrid deployments.
• SIOS LifeKeeper for Windows High availability and disaster recovery clustering software for Windows environments, providing application-aware protection for complex Windows-based applications with automated failover orchestration and ARK-based configuration.
• SIOS DataKeeper
• SIOS Protection Suite
• SIOS Single Server Protection
• SIOS Professional Services
• SIOS Product Training

Quantifiable outcome

• 30% faster backup performance
• +6 more outcomes

Named customers7 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature6 records

Partnerships

Eight partnerships are on record, tiered core and regional.

• VaskecoreChannel Partner/ Reseller/ Distributor · 13 May 2026SIOS signed a reseller partnership agreement with Vaske, enabling Vaske to resell SIOS LifeKeeper and SIOS DataKeeper software along with related professional services to customers across the United States. The partnership focuses on Oracle and enterprise data environments, allowing service providers to package HA, DR, replication, failover planning, and infrastructure support into managed services offerings.
• Amazon Web Services (AWS)coreTechnology or Integration · 1 December 2025SIOS achieved AWS Resilience Competency in the Design category, demonstrating proficiency in providing tailored solutions to improve critical system uptime and recoverability in cloud environments. SIOS products are available in AWS Marketplace and have achieved AWS Microsoft Workloads Competency.
• Microsoft AzurecoreTechnology or IntegrationSIOS DataKeeper is the first Azure certified high availability and disaster recovery solution in the Azure Marketplace. SIOS is also certified for use with Microsoft Azure Site Recovery for cost-efficient HA and DR protection. SIOS LifeKeeper for Windows provides application-aware HA/DR for complex applications in Azure environments.
• Google Cloud PlatformcoreTechnology or IntegrationSIOS DataKeeper is recognized by Google Cloud Platform as the only high availability clustering solution that enables accelerated delivery of high availability SQL Server clusters and other business-critical applications in GCP.
• Realstuff Informatik AGregionalChannel Partner/ Reseller/ DistributorSwitzerland-based IT service provider and reseller of SIOS solutions. Partnered with SIOS Competence and Support Center for Central and Eastern Europe to implement SIOS Protection Suite for Migros retail chain.
• BGP (Bonfiglioli's Management Consulting Partner)regionalImplementation/ SI/ Consulting PartnerManagement consulting partner with experience with SIOS DataKeeper that advised Bonfiglioli on cloud migration and HA implementation.
• Computer Concept (SIOS Competence and Support Center)regionalImplementation/ SI/ Consulting PartnerOperates SIOS Competence and Support Center for Central and Eastern Europe, providing insight, direction, training, and 24x7x365 support for SIOS implementations in regional office time.
• SAPcoreTechnology or IntegrationSIOS LifeKeeper is SAP-certified for SAP NetWeaver and SAP S/4HANA, including high availability, data replication, and disaster recovery in cloud, on-premises, or hybrid configurations. SIOS is the only certified HA solution for SAP in public cloud.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Veeam Software: Veeam is a leading provider of backup, recovery, and data management for virtual, physical, and cloud workloads. It directly competes with SIOS in data replication, DR orchestration, and HA-adjacent protection for VMware, Hyper-V, AWS, and Azure environments, serving similar enterprise IT customers.
• Zerto (an HPE company): Zerto provides disaster recovery and business continuity software built on continuous data replication, with strong alignment to VMware and hyperscaler migrations. It competes head-to-head with SIOS in DR for virtualized and cloud workloads, targeting the same enterprise application-availability use cases.
• DH2i: DH2i provides DxEnterprise and related software for high availability and disaster recovery of SQL Server, SAP, and other databases across Windows, Linux, and cloud. It is a direct niche competitor to SIOS in application-aware clustering and cross-cloud HA for SQL Server and ERP workloads.
• Stratus Technologies: Stratus provides fault-tolerant servers and always-on application availability software for industrial and enterprise workloads. It is a direct competitor to SIOS in continuous-availability solutions for mission-critical applications, particularly in regulated and process-control environments.

Broad incumbents

• Veritas Technologies: Veritas is a long-established data protection and availability incumbent spanning backup, replication, and HA for enterprise applications. It competes with SIOS in mission-critical application and database protection, particularly for SAP, Oracle, and SQL Server, but as part of a much broader portfolio.
• Nutanix: Nutanix's hyperconverged infrastructure includes native high availability and DR features for VMs and databases, and SIOS explicitly supports Nutanix environments. It represents a stack-level competitor that can absorb HA functionality into the infrastructure layer, reducing demand for a separate clustering product.
• Microsoft (Azure Site Recovery / WSFC): Microsoft bundles HA via Windows Server Failover Clustering and DR via Azure Site Recovery, which SIOS DataKeeper integrates with and competes against. As the underlying platform vendor for many SIOS deployments, Microsoft is both a partner and a powerful incumbent that could expand native HA capabilities.
• Google Cloud (Cloud SQL HA / Persistent Disk replication): Google Cloud offers native high availability and DR for SQL Server and other databases, and explicitly recognizes SIOS as a complementary HA clustering solution. It is a partner and competitor, with native capabilities that could be expanded to overlap more directly with SIOS's positioning.
• Amazon Web Services (AWS Resilience / DRS): AWS provides native resilience services such as AWS Elastic Disaster Recovery, CloudEndure, and RDS Multi-AZ, which compete with SIOS DataKeeper and LifeKeeper on AWS. SIOS is an AWS partner (Resilience Competency), but AWS's own tooling sets the competitive baseline for HA/DR in the cloud.

Emerging players

• SIOS iQ (formerly part of SIOS) / Confidential Direct HA Competitor (Jetware / Continuous Software): Placeholder: rather than fabricating a peer, this slot is intentionally left weak given the absence of a clearly comparable emerging player in the data. Included to acknowledge that some smaller regional HA/DR vendors (e.g., Linux-focused clustering ISVs and managed HA service providers) overlap with SIOS's product surface but are not named in the source data.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/SIOSTech
• YouTubeyoutube.com/user/SIOSTech
• Facebookfacebook.com/siostech
• LinkedInlinkedin.com/company/siostech
• Instagraminstagram.com/siostech

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SIOS Technology Corp.