Database technologies
Proactive monitoring, high availability and DR, upgrades and patching, migrations, performance tuning and architecture design across every major platform.
Database consultancy ›
Platforms & capability
Database and cloud expertise
Across the platforms your business actually runs on. Our experienced, certified team designs, builds and manages your database, cloud and on-premises infrastructure projects — staffed by senior specialists holding credentials across Oracle, Microsoft, Red Hat, VMware and Fortinet.
Capability areas
Five practices, one accountable team
Our experienced, certified team designs, builds and manages database, cloud and on-premises infrastructure — with the same engineers available afterwards to run it.
Software, reporting & integration
Custom applications, mobile, web, API and ETL integration, plus reporting and data visualisation in Power BI, SSRS and Grafana.
Infrastructure services
Virtualisation, system administration, networking and firewalls, hardware and storage, DevOps tooling and monitoring.
See rates ›Public cloud
Strategy, solution design, workload migration and ongoing management across Oracle Cloud, Microsoft Azure and AWS.
Cyber security
Managed security services and managed endpoint detection and response, monitored around the clock by our security operations team.
Discuss your risk profile ›Products
Secure data sharing, open-source digital identity and Oracle disaster recovery — software we build and back ourselves.
See our products ›Database technologies
What we run, migrate and tune
Managed database services are built to proactively monitor, manage and resolve incidents across your whole estate — not just the platform we happen to prefer.
High availability & DR
- Oracle RAC
- Oracle Data Guard
- SQL Server Failover Clustering
- SQL Server AlwaysOn AG
- Mirroring & log shipping
- PostgreSQL replication
- MySQL replication
- Dbvisit DR
Migration & upgrade paths
- Oracle to EDB
- Oracle cross-platform
- SQL Server to Azure SQL
- SQL Server to Azure MI
- On-premises to AWS
- On-premises to Azure
- On-premises to Oracle Cloud
- Service packs, CUs, CPU/PSU
Design & optimisation
- Query optimisation
- Database & table design
- Security architecture
- Performance tuning
Software, data & infrastructure
The rest of the stack
We design, develop and maintain custom software, and keep the infrastructure underneath it reliable, secure and efficiently managed.
Application development
- Python · Java · Node · Spring Boot
- React · Next.js · Angular · TypeScript
- Flutter · Swift · React Native
- PHP · Laravel · Django · WordPress
Integration & reporting
- REST APIs & SOAP
- SSIS
- WSO2
- Power BI
- SSRS
- Grafana
Infrastructure & DevOps
- Hyper-V · VMware · Oracle Linux KVM
- Windows & Linux administration
- Cisco · Juniper · Palo Alto · Fortinet · Sophos
- Oracle Database Appliance · Dell
- Jenkins · Docker · Kubernetes · Ansible · Git
- CheckMK · Prometheus · N-able RMM
Public cloud
Every stage of the cloud journey
From strategy through to running it — we help organisations develop a cloud strategy, design the solution, migrate the workload and manage what lands there.
- Oracle Cloud (OCI) — design solutions, migrate Oracle databases, migrate JD Edwards, deploy cloud-native applications
- Microsoft Azure — design and implement, migrate SQL Server, build cloud-native apps, secure with Microsoft Sentinel
- Amazon Web Services — migration strategy, seamless migration, application modernisation, automation for efficiency
- Google for Business, Microsoft 365 and web hosting for the everyday platform
Credentials
Certifications held by our engineers and consultants
Vendor-neutral advice is only credible if the certifications sit across the vendors. Ours do.
Oracle Certified ProfessionalOracle- Oracle Certified MasterOracle
Azure Database Administrator AssociateMicrosoft
Azure Solutions Architect ExpertMicrosoft- Azure Security Engineer AssociateMicrosoft
- Azure AI Engineer AssociateMicrosoft
- Power BI Data Analyst AssociateMicrosoft
Data Management and AnalyticsMicrosoft
Red Hat Certified EngineerRed Hat
VMware Certified Professional — DCVVMware
NSE 7 Network Security ArchitectFortinet
Badges are the property of their respective certification bodies and are shown to indicate credentials held by Onsys engineers.
How we work
Consulting, projects and managed operations
Assess
A senior consultant reviews your current environment, architecture and risk areas.
Recommend
You get a clear, vendor-neutral recommendation — not a push toward a particular platform.
Deliver
Certified specialists execute the work, whether that is a migration, a build or ongoing operations.
Support
Many engagements continue into managed support so the improvement is sustained, not one-off.
Talk to a specialist about your platform
Tell us what you run and what is hurting. A certified consultant will come back with an honest assessment — free, and with no obligation.
Contact Us NowPublished
FAQ
Common questions
No. We give vendor-neutral advice across SQL Server, Oracle, PostgreSQL, EDB, Azure, AWS and Oracle Cloud, and recommend what fits your environment rather than a single vendor stack.
Yes. Our managed plans and consultancy cover on-premises, cloud-hosted and hybrid estates across all supported database and infrastructure platforms.