Let’s dive deep into the cost of IBM Sterling File Gateway, and then a way you can escape it.
Every enterprise IT leader knows IBM Sterling File Gateway is expensive. But most are only counting the license fee.
The real cost of running Sterling, when you add up maintenance, infrastructure, skilled staffing, upgrade cycles, and the opportunity cost of a system that wasn’t built for the cloud, is often two to three times the sticker price. And yet organizations keep renewing, largely because no one has taken the time to do the full math. This post is that math.
The License Is Just the Beginning
IBM Sterling File Gateway licensing is priced for large enterprises, and it shows. Annual maintenance fees alone can run 20% or more of the original license cost, every year. For organizations that purchased Sterling a decade ago, they may have already paid for the software several times over in maintenance alone.
And that’s before a major version upgrade, which often requires consulting engagements, infrastructure changes, and weeks of testing. Organizations that have been through an IBM Sterling upgrade cycle will recognize the pattern: a project scoped at three months that becomes six, with consulting fees that dwarf the license renewal itself.
“Get used to a price increase of 10 percent per year on Software Maintenance,” writes Timothy Prickett Morgan on IT Jungle. about IBM software. The cost of IBM Sterling File Gateway can rise quickly.
The Infrastructure Overhead Nobody Talks About
Sterling was architected for on-premises data centers. Running it in a modern cloud environment requires significant supporting infrastructure: dedicated servers, storage provisioning, network configuration, and ongoing capacity planning.
Cloud-native architectures have made most of this overhead obsolete. Modern SFTP solutions deploy directly as virtual machine images in your cloud environment of choice (AWS, Azure, GCP), spin up in minutes, and scale automatically with demand.
The infrastructure cost savings from moving off Sterling can be significant — but they’re often invisible in TCO calculations because they’re split across different budget lines.
The Staffing Problem
Running IBM Sterling at the enterprise level is not a job for a generalist. It requires people who know the platform, and those people are increasingly expensive and hard to find as Sterling ages and the talent pool shrinks.
Organizations often find themselves in a bind: the one or two people who truly know their Sterling environment are senior, expensive, and increasingly difficult to retain. When one of them leaves, institutional knowledge walks out with them.
Modern SFTP solutions, such as SFTP Gateway, are designed to be operated by IT generalists. A web-based admin portal means non-technical administrators can create and configure SFTP users and manage access permissions without deep platform expertise. The learning curve is hours, not months.
What You’re Paying for Compliance You May Not Need
Sterling’s feature set was built for a world of complex EDI workflows, B2B integrations, and multi-protocol file orchestration. But most organizations use a fraction of their capabilities — primarily because their core use case is simply getting files securely from point A to point B.
If your primary need is secure SFTP-to-cloud-storage transfer with auditability, high availability, and enterprise authentication support, you’re paying for functionality you’ll never use.
The Cloud-Native Alternative: SFTP Gateway
Thorn Technologies built SFTP Gateway specifically to address the gap that Sterling leaves in cloud environments. SFTP Gateway was designed from the ground up to write files directly to cloud object storage — Amazon S3, Azure Blob, or Google Cloud Storage — over a standard SFTP connection.
Your trading partners and internal systems keep using SFTP exactly as they always have, while your files land directly in cloud storage without any intermediary. No additional storage layer, no sync jobs, no data duplication.
- High Availability via auto-scaling groups across multiple availability zones
- Identity integration with Okta, Azure Active Directory, AWS Cognito, and other OIDC-compliant providers
- Audit logging streamed to CloudWatch or enterprise observability tools like Splunk
- REST API for programmatic user management and full automation
- Independent security audit with a letter of attestation available upon request
- Multi-cloud support across AWS, Azure, and GCP
Deployment happens from the cloud marketplace in minutes. There’s no consulting engagement required to get running.
Doing the Full TCO Calculation
When organizations do a true total cost of ownership comparison between Sterling and a modern alternative, the numbers are usually stark. One global organization that Thorn Technologies helped migrate off Sterling in 2023 is projected to save millions of dollars over the coming years through combined reductions in infrastructure, staffing, maintenance, and upgrade costs.
If you’re renewing Sterling this year and haven’t run a full TCO analysis, it’s worth doing before you sign.
Is Now the Right Time to Evaluate Alternatives?
The organizations that move most smoothly off Sterling are the ones that start the evaluation 12–18 months before their renewal, not 60 days before.
Request a demo to see how SFTP Gateway compares to your current Sterling environment →
Thorn Technologies builds cloud-native file transfer software trusted by Fortune 500 companies across healthcare, financial services, manufacturing, and more. SFTP Gateway and StorageLink are available on AWS, Azure, and Google Cloud marketplaces. SFTP Gateway can also be deployed as a Docker Container.
