Qlos is a team of experienced administrators whose main task is to improve IT infrastructure. We will build a comprehensive environment for you in both traditional infrastructure and cloud computing. We will migrate your current environment while implementing appropriate services to ensure the highest level of security, high availability, and automation.
As part of our services, we offer:
✔️ Server administration and management,
✔️ Security audit,
✔️ Infrastructure audit,
✔️ Automation and DevOps,
✔️ Migration to cloud computing,
✔️ Creation of backup and disaster recovery policies,
✔️ Cost optimization services in the cloud,
✔️ High availability services.
We also provide dedicated solutions for various industries. Check out our entire offering by clicking on the visible button at the top of the page!
Qlos is a partner of the largest cloud service provider, Amazon Web Services. Our collaboration with a well-known service provider enables us to offer a diverse range of services, allowing us to decide which ones are suitable for your business.
We wouldn't exist without our experienced IT team. They solve hundreds of problems every day and guide clients on which services are right for them. Our administrators stay up-to-date with technological advancements and approach constant market changes with complete professionalism.
Our goal is to achieve the highest quality of services, reaching the maximum level of customer satisfaction. We have all the necessary tools and qualifications; we just need your courage and willingness to create a new, efficient work environment.
Min project size
Undisclosed
Hourly rate
$50 - $99 / hr
Employees
10 - 49
Locations
Łódź, Poland
Year founded
Founded 2021
1 Locations
Łódź , Poland
No have been added yet...
Pricing Snapshot
Min. project size
Undisclosed
Avg. hourly rate
$50 - $99
/hr
Rating for cost
4.8
/5
What Clients Have Said
Qlos Sp. z o.o. is recognized for providing good value for cost, with clients noting that their pricing fits budgets well. They have delivered comprehensive infrastructure audits and maintenance services, showcasing professionalism and effective project management without specific project costs mentioned.
Qlos Sp. z o.o. is recognized for their expertise in managing complex IT infrastructure, including system maintenance, updates, and security hardening. Clients appreciate their ability to seamlessly migrate platforms and maintain high availability with zero critical downtime.
Effective Server Support
Qlos Sp. z o.o. provides reliable 24/7 server support, ensuring that any infrastructure issues are promptly resolved. Clients report high satisfaction due to the absence of failures and effective server management.
Minor Improvement in Deliverable Timing
A client suggested delivering final architecture diagrams earlier in the planning phase to expedite internal approvals, indicating a minor area for improvement in project execution timing.
Alignment with Client Values
Clients choose Qlos Sp. z o.o. not only for their expertise but also because of their alignment with client values and culture. This alignment enhances collaboration and project success.
High-Value Cost Efficiency
Clients appreciate the good value for cost that Qlos Sp. z o.o. offers. Their pricing fits well within client budgets, and their services are considered a worthwhile investment for the quality and efficiency provided.
Strong Project Management Skills
Clients commend Qlos Sp. z o.o. for their agile, sprint-based project management approach. They are noted for being proactive, transparent, and consistently meeting milestones, ensuring timely delivery of services and effective communication throughout projects.
"Their deep Proxmox HA expertise and security mindset stood out."
Aug 7, 2025
CEO, TrustIT Sp. z o.o.
Michal Mendakiewicz
Verified
Other industries
Poland
11-50 Employees
Online Review
Verified
Qlos Sp. z o.o. provided IT consulting and support for an IT services company. They conducted an infrastructure assessment, performed system maintenance, and designed and rolled out a hybrid hosting model.
Qlos Sp. z o.o. took over the client's system maintenance, updates, and adaptation to security standards and best practices. The team followed an agile, sprint-based cadence, shared a live migration tracker and clear risk logs, and was proactive and transparent. They met every milestone.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the CEO of TrustIT Sp. z o.o.
Describe what your company does in a single sentence.
TrustIT is a leading IT company that has been in the market for 20 years.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Qlos Sp. z o.o. to accomplish?
Take over day-to-day system maintenance, updates, and security hardening in line with ISO best practices.
Migrate the entire platform to an on-premises Proxmox environment with Proxmox Backup Server.
Build a high-availability PostgreSQL cluster and migrate 100+ VMs & LXC containers into a hybrid setup (on-prem, Atman, Hetzner).
Implement AWS-based failover plus cold-storage backups in OVH.
Reduce hosting costs and improve RPO/RTO, incident response time, and overall uptime.
SOLUTION
How did you find Qlos Sp. z o.o.?
Online Search
Referral
Clutch Site
Why did you select Qlos Sp. z o.o. over others?
Close to my geographic location
Pricing fit our budget
Great culture fit
Good value for cost
Referred to me
Company values aligned
How many teammates from Qlos Sp. z o.o. were assigned to this project?
6-10 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
1. Conducted a full infrastructure assessment and produced a new architecture blueprint.
2. Assumed full system maintenance and patching responsibilities, performing security hardening to achieve ISO compliance.
3. Planned and executed the migration to an on-prem Proxmox cluster, including HA PostgreSQL.
4. Designed and rolled out a hybrid hosting model spanning our own server room, Atman, and Hetzner—plus AWS failover.
5. Implemented a disaster-recovery and backup strategy (Proxmox Backup Server + cold storage in OVH).
6. Seamlessly migrated 100+ virtual machines and LXC containers with zero critical downtime.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
Takeover of system maintenance, updates, and adaptation to security standards and best practices; migration to an on-premises environment based on Proxmox and Proxmox Backup Server, with a high-availability cluster for PostgreSQL and over 100 Virtual Machines and LXC containers
Describe their project management. Did they deliver items on time? How did they respond to your needs?
The team followed an agile, sprint-based cadence, sharing a live migration tracker and clear risk logs. They were proactive, transparent, and met every milestone.
What was your primary form of communication with Qlos Sp. z o.o.?
In-Person Meeting
Virtual Meeting
Email or Messaging App
What did you find most impressive or unique about this company?
Their deep Proxmox HA expertise and security mindset stood out. They treated our environment as their own and provided detailed documentation and knowledge transfer sessions.
Are there any areas for improvement or something Qlos Sp. z o.o. could have done differently?
Minor suggestion: deliver final architecture diagrams a bit earlier in the planning phase to speed up internal approvals.
RATINGS
4.5
"Overall 5.0 Delivered every objective and exceeded expectations."
Quality
4.5
Service & Deliverables
"Flawless migration, HA cluster works as designed."
Schedule
4.5
On time / deadlines
"All deadlines met; small schedule shifts were communicated early."
Cost
4.5
Value / within estimates
"Strong ROI via lower hosting spend and better resilience. Willingness to Refer (NPS) 5.0 Would confidently recommend for complex infra projects."
Willing to Refer
4.5
NPS
"We are already working in another projects.
Infrastructure Audit for Digital Solutions Company
IT Managed Services
Confidential
Jan. - June 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"QLOS' professionalism, technological knowledge, understanding of our needs, and communication skills stood out."
May 29, 2024
CTO, Primotly Sp. z o.o.
Łukasz Kopaczewski
Verified
Other industries
Warsaw, Poland
11-50 Employees
Online Review
Verified
Qlos Sp. z o.o. performed an infrastructure audit for a digital solutions company. The team's key deliverables included a detailed audit report with comprehensive suggestions for improvement.
Qlos Sp. z o.o.'s work has resulted in a well-documented infrastructure audit complete with actionable recommendations, clear insights, and practical steps for enhancement. The team demonstrates exceptional project management, meets deadlines, and promptly addresses all the client's queries.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the CTO of Primotly Sp. z o.o.
Describe what your company does in a single sentence.
Primotly’s IT specialists create digital solutions to enhance business efficiency. Functional web platforms, apps, and custom software allow companies to scale, grow, and achieve more. We support our clients at every step, ensuring alignment with their business goals.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Qlos Sp. z o.o. to accomplish?
We engaged QLOS to conduct a comprehensive infrastructure audit for our company. Our goal was to obtain a detailed analysis of our existing infrastructure and receive actionable recommendations for improvements.
SOLUTION
How did you find Qlos Sp. z o.o.?
Referral
Why did you select Qlos Sp. z o.o. over others?
Pricing fit our budget
Great culture fit
Good value for cost
Describe the scope of work in detail. Please include a summary of key deliverables.
The scope of the work involved a thorough infrastructure audit. Throughout the entire process, QLOS maintained high levels of professionalism and agility, promptly addressing our questions and suggestions. Key deliverables included a detailed audit report with comprehensive suggestions for improvement, presented in an accessible and understandable manner.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
The project resulted in a well-documented infrastructure audit complete with actionable recommendations. The outcomes provided us with clear insights into our current infrastructure and practical steps for enhancement.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
QLOS exhibited exceptional project management skills, ensuring that all deliverables were provided on time.
They were highly responsive to our needs, addressing queries and adjustments quickly and effectively.
What was your primary form of communication with Qlos Sp. z o.o.?
Virtual Meeting
Email or Messaging App
What did you find most impressive or unique about this company?
QLOS' professionalism, technological knowledge, understanding of our needs, and communication skills stood out. They consistently demonstrated their expertise and dedication to our project.
Are there any areas for improvement or something Qlos Sp. z o.o. could have done differently?
There were no issues throughout our collaboration. QLOS exceeded our expectations in every aspect, and we can wholeheartedly recommend their services.
RATINGS
5.0
"QLOS has proven to be a reliable and skilled partner"
Quality
5.0
Service & Deliverables
"Exceptional quality of work"
Schedule
5.0
On time / deadlines
"Timely delivery according to the timeline and deadlines"
Cost
5.0
Value / within estimates
"Very good cost relative to the skills provided"
Willing to Refer
5.0
NPS
"I would happily recommend them
Administrative Support for IT Services Company
IT Managed Services
Confidential
Oct. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
“They always provide good advice on technology topics.”
Jan 3, 2024
Owner, IT Services Company
Norbert Kalinowski
Verified
Other industries
Bialystok, Poland
Online Review
Verified
Qlos Sp. z o.o. is assisting an IT services firm in transitioning between technologies. Specifically, the team provides the client with administrative support and helps them resolve issues as they scale.
The client is pleased with Qlos Sp. z o.o.’s services. The team takes good care of the client’s servers and resolves all issues. Their resources manage the relationship well, responding quickly and correctly to reported problems. The team’s communication skills have been impressive, too.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the owner of an IT services company.
Describe what your company does in a single sentence.
I program, design, consult, educate and lecture.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Qlos Sp. z o.o. to accomplish?
Infrastructure maintenance
Support in server administration
24/7 server support
SOLUTION
How did you find Qlos Sp. z o.o.?
Referral
Why did you select Qlos Sp. z o.o. over others?
High ratings
Close to my geographic location
Good value for cost
Company values aligned
How many teammates from Qlos Sp. z o.o. were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
We decided to collaborate with Qlos because we were convinced that they are exceptionally competent in administrative skills. They provided us with significant assistance in smoothly transitioning between different technologies. Due to our expanding customer base and the constant need to adapt to new challenges, we are seeking partners to jointly implement further scaling projects.
Qlos operates within the framework of administrative support. All issues are resolved effectively, and the results of their work directly benefit our clients. The absence of infrastructure problems translates to the absence of issues for our clients.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
The servers are well taken care of. Any failure is resolved, and monitoring of the servers works around the clock. Reported problems are resolved, so I can focus on other aspects of the business. A measurable factor is the absence of nuisance failures.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
No major problems. Correct and quick responses to resolve reported problems.
What was your primary form of communication with Qlos Sp. z o.o.?
Email or Messaging App
What did you find most impressive or unique about this company?
Simple communication. Qlos responds to the challenges I present to them. Problems are solved correctly. In addition, they always provide good advice on technology topics.
Are there any areas for improvement or something Qlos Sp. z o.o. could have done differently?
At this point I do not see such.
RATINGS
5.0
"They will always advise on technology."
Quality
5.0
Service & Deliverables
"Very good. Strong knowledge of technology."
Schedule
5.0
On time / deadlines
"No complaints."
Cost
5.0
Value / within estimates
"Prices adequate to the performance."
Willing to Refer
5.0
NPS
"I have no reservations. They are a good partner to recommend.
Showing 1-3 of
3 Reviews
Locations (1)
18 Generała Walerego WróblewskiegoŁódź, Poland93-578
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