# Professional IT Services > Fractional DevOps, cloud cost optimization and AI-driven automation for growing companies. Senior infrastructure expertise on a monthly retainer — no full-time hire. ## Pages - [About us — AC-INFO Kft, independent IT consulting since 2008](https://www.professional-it-services.com/about-us/): A family-owned Hungarian company running Debian and RedHat servers in high-availability environments. Independent IT consulting since 2008. - [Contact](https://www.professional-it-services.com/contact/): Tell us what you run, where it hurts and what you have already tried. A free 30-minute discovery call, engineer to engineer. - [Fractional DevOps plans and pricing](https://www.professional-it-services.com/devops-plans/): Month-to-month DevOps retainers from $1,450/month. Cancel or pause with 30 days' notice. Monitoring, CI/CD, IaC and incident response. - [Fractional DevOps & Cloud FinOps](https://www.professional-it-services.com/): Senior DevOps expertise on a monthly retainer, cloud cost audits that cut 15–30% of your bill, and AI-driven automation. - [Our services — Fractional DevOps, FinOps, AI automation, IaC](https://www.professional-it-services.com/our-services/): Fractional DevOps retainers, cloud cost audits, AI-driven automation and Infrastructure as Code. Documented, version-controlled, no lock-in. - [Privacy policy](https://www.professional-it-services.com/privacy-policy/): How AC-INFO Kft collects, uses and protects the information you share with Professional IT Services. - [Client testimonials](https://www.professional-it-services.com/testimonials/): What clients say about our server administration, web development and IT consulting work — reproduced in their own words. ## Blog categories - [Guides](https://www.professional-it-services.com/blog/category/guides) - [Case studies](https://www.professional-it-services.com/blog/category/case-studies) ## Blog - [Unlock Senior Expertise for Less: Why Fractional DevOps is the Smartest Move for Growing Companies](https://www.professional-it-services.com/unlock-senior-expertise-for-less-why-fractional-devops-is-the-smartest-move-for-growing-companies/): Senior DevOps expertise on a monthly retainer — what the first five days deliver, what one real cost review saved, what the retainer does not cover, and who should not buy it. - [How We Cut Kubernetes Resource Overhead by 50% Using Only Built-in Tools](https://www.professional-it-services.com/how-we-cut-kubernetes-resource-overhead-by-50-using-only-built-in-tools/): Running a production Kubernetes cluster efficiently is one of those challenges that looks straightforward on paper but reveals surprising complexity the moment you start digging into the actual numbers. Recently, we completed a resource optimization project on a production K3s cluster hosting multiple workloads — databases, observability stacks, mail servers, web applications, and more — \[…\] - [Fractional DevOps vs Full-Time DevOps: A Complete Comparison Guide](https://www.professional-it-services.com/fractional-devops-vs-full-time-devops-a-complete-comparison-guide/): You need serious DevOps expertise. The real question is: how do you get it without overpaying — or understaffing? For many growing companies, this decision comes down to two options: hire a full-time DevOps engineer on payroll, or engage a Fractional DevOps partner on a monthly retainer. On the surface, both solve the same problem. \[…\] - [How to Automate Business Workflows with GitHub Actions and AI Language Models](https://www.professional-it-services.com/how-to-automate-business-workflows-with-github-actions-and-ai-language-models/): There is a class of business problem that every growing company knows well: the recurring task that is too complex to ignore, too repetitive to be worth a senior engineer’s time, and too important to leave entirely to chance. Weekly competitor monitoring. Automated market intelligence reports. Structured summaries of customer feedback delivered directly to the \[…\] - [Understanding fully-managed web hosting: what it means and when you need it](https://www.professional-it-services.com/understanding-fully-managed-web-hosting-what-it-means-and-when-you-need-it/): In today’s digital landscape, having a reliable online presence is crucial for businesses of all sizes. However, maintaining a website involves much more than just uploading files to a server. This is where fully-managed web hosting comes into play, offering a comprehensive solution that takes the technical burden off your shoulders. What Is Fully-Managed Web \[…\] - [Kubernetes Deployments, DaemonSets, and StatefulSets: a Deep Dive](https://www.professional-it-services.com/kubernetes-deployments-daemonsets-and-statefulsets-a-deep-dive/): Kubernetes has revolutionized how we deploy and manage containerized applications, but its array of workload controllers can be overwhelming. Among the most critical—and frequently confused—are Deployments, DaemonSets, and StatefulSets. Each serves distinct purposes, and choosing the wrong one can lead to inefficiency or instability. Let’s break down their differences, use cases, and best practices. Deployments: The Stateless Workhorse \[…\] - [Implementing custom mail solution for an enterprise](https://www.professional-it-services.com/implementing-custom-mail-solution-for-an-enterprise/): Email is one of those infrastructure components that organisations often take for granted — until something goes wrong. For larger enterprises, the stakes are particularly high: hundreds or thousands of mailboxes, strict data privacy requirements, and a workforce that expects seamless, reliable communication across devices and clients. When a client came to us with a \[…\]