By the GR.IT Consultancy team. Managed cloud hosting, IT support and cyber security for businesses across London and Kent.

TL;DR: the short answer

A cloud server for a small business is a virtual server that runs in a provider’s data centre instead of a box in your office, rented monthly rather than bought outright. For a typical UK small business of 5 to 30 staff in 2026, there are three viable options, not two:

1. No server at all. Move files to SharePoint and OneDrive, and applications to SaaS. This is the right answer for a surprising number of small businesses and costs the least.
2. A cloud server. Rent virtual machines in a public or private cloud. Expect roughly £120 to £400 per month for a small business workload, plus backup and management.
3. An on-premise server. Buy hardware and licences. Expect roughly £5,000 to £10,000 up front and a five-year total cost of around £12,000 to £20,000 once licensing, power, backup and refresh are included.

Cloud is not automatically cheaper on a spreadsheet. It wins on cash flow, resilience, remote access and the ability to stop paying for capacity you no longer use. The decision usually turns on one question: what specifically still needs to run on a server?

If your server is running Windows Server 2016, the decision has a deadline. Microsoft ends extended support on 12 January 2027.

What is a cloud server, in plain English?

A cloud server is a virtual machine. The provider owns physical hardware in a data centre, splits it into virtual servers using a hypervisor, and rents you one with a defined number of CPU cores, an amount of RAM and a quantity of storage. You install Windows Server or Linux on it exactly as you would on hardware in a cupboard, and you connect to it over the internet or a VPN.

Three terms get used loosely and are worth separating:

• Public cloud means shared underlying hardware in a hyperscale platform such as Microsoft Azure or AWS. You pay per hour or per month for what you consume.
• Private cloud means dedicated resource reserved for you in a provider’s data centre. It costs more per unit but gives predictable performance, simpler compliance answers and a fixed monthly bill.
• SaaS means you do not run a server at all. Microsoft 365, Xero and your CRM are somebody else’s servers, and you rent the application rather than the infrastructure.

Most small businesses that ask us for “a cloud server” actually need a mix of the second and third.

Do you still need a server in 2026?

Start by listing what your current server actually does. In our experience auditing small business networks across London and Kent, the list is usually shorter than the business expects, and it looks like this:

If every row in your list is a “no”, the cheapest and most resilient answer is to retire the server rather than replace it or lift it into the cloud. Moving a redundant file server into Azure is one of the most expensive mistakes we see, because you pay cloud rates forever for something SharePoint would have done for the cost of licences you already own.

The Windows Server 2016 deadline

Microsoft has confirmed that extended support for Windows Server 2016 ends on 12 January 2027. After that date there are no security updates, no hotfixes and no coordinated vulnerability disclosure for the platform. Extended Security Updates can be purchased for up to three years, but they are a holding position with an escalating price, not a strategy.

Practically, that means any UK business still running Server 2016 has roughly a year to decide. Cyber insurers and Cyber Essentials assessors both treat unsupported operating systems as a hard fail, so the deadline usually arrives via a renewal questionnaire before it arrives via a security incident. If you are working through a certification at the same time, our guide to Cyber Essentials certification in the UK covers how unsupported software is assessed.

How much does a server cost for a small business?

Here is a realistic five-year comparison for a 15-user business running one file and application server. Figures are indicative, exclude VAT and are based on UK reseller and cloud list pricing in 2026.

Two things stand out, and both are worth saying plainly because most vendor content skips them.

First, cloud is often not the cheapest option over five years. If a server sits in a corner doing steady work and nobody ever needs to touch it, owning it can be cheaper. The honest case for cloud is that servers rarely behave that way: they fail at inconvenient times, they need someone to patch them, they are the thing ransomware encrypts first, and they are useless to a team working from home when the office broadband drops.

Second, the cheapest column is the one with no server in it. That is the option most likely to be missing from a quote, because there is less to sell.

For a fuller picture of what surrounds these numbers, see our IT support pricing guide for UK small businesses, which covers per-user support costs alongside infrastructure.

Cloud server vs on-premise: how do they actually compare?

How do you set up a cloud server for a small business?

A cloud server project for a business of this size runs in seven steps and typically takes four to eight weeks.

1. Audit what you have. Every application, every dependency, every share, every scheduled task. The tasks nobody documented are what break migrations.
2. Decide what does not move. Retire what SharePoint or a SaaS product can replace. This step is where the savings are.
3. Size the VMs against real data, not guesses. Take 30 days of CPU, RAM, IOPS and storage figures from the existing server. Most small business servers are heavily over-specified, and copying the old spec into the cloud is how monthly bills double.
4. Choose public or private. Public cloud suits variable workloads and technical teams comfortable with consumption billing. Private cloud suits businesses that want a fixed monthly figure and a simple answer on where the data sits.
5. Build identity first. Entra ID, conditional access and multi-factor authentication before any data moves. Retrofitting security to a live cloud server is painful and expensive.
6. Migrate in waves with a rollback point. A pilot group, then departments. Never a single weekend big bang unless the environment is genuinely trivial.
7. Set up backup and test a restore. Cloud infrastructure is resilient, not backed up. The provider protects the platform. Your data is your responsibility, and a backup nobody has restored from is a theory rather than a backup.

If you want the detail on sequencing, timelines and the failure modes we see most, our companion guide to cloud migration services in London goes deeper on the project itself.

Five mistakes we see most often

1. Lifting and shifting a redundant file server. Paying cloud rates to host data that belongs in SharePoint. It is the most common and most expensive error on this list.
2. Sizing to the old hardware. A server bought in 2019 was specified for peak load plus a safety margin plus a sales conversation. Size to observed usage instead.
3. Assuming the cloud backs itself up. Microsoft’s shared responsibility model is explicit: the platform is Microsoft’s responsibility, the data is yours. Budget for third-party backup of both your VMs and Microsoft 365.
4. Leaving VMs running 24/7 when nobody uses them at night. A test or training server that runs only in office hours costs roughly a third of one that never sleeps.
5. Forgetting the internet connection. If everything moves to the cloud, your office broadband becomes the single point of failure. A business line with a failover connection is no longer optional.

When does a private cloud beat public cloud?

Public cloud pricing rewards variability. If your workload is flat, and it usually is for a small business, the consumption model can cost more than a reserved private environment while adding billing complexity nobody in the business wants to own.

We typically recommend private cloud hosting when a business wants a single predictable monthly figure, needs a clear answer about UK data residency for a client questionnaire, or runs an application that behaves badly on shared infrastructure. GR.IT’s managed cloud hosting service uses UK data centres with a provider holding Cyber Essentials Plus, ISO 9001 and ISO 27001 accreditation, which turns several awkward questions in a supplier security questionnaire into a one-line answer.

Public cloud usually wins where workloads scale up and down, where you want to consume platform services rather than manage servers, or where you already have Azure commitments through Microsoft licensing.

Frequently asked questions

Do I need a server for my small business?

Probably not a physical one. If your files can live in SharePoint, your email is already in Microsoft 365 and your line-of-business applications have hosted versions, you can run a modern small business with no server at all. You still need identity management, device management and backup, which is different from needing a server.

How much does a cloud server cost per month in the UK?

For a small business workload, budget roughly £120 to £400 per month for the virtual machines, plus £40 to £100 per month for backup and a management fee if you want someone else to patch and monitor it. Public cloud list rates for a general purpose two vCPU virtual machine start around £55 to £75 per month before storage, Windows licensing, egress and backup, which is why quoted headline prices and real bills often differ.

Is a cloud server cheaper than an on-premise server?

Not always. Over five years, a stable workload can be cheaper to own. Cloud wins on cash flow, resilience, remote access, disaster recovery and the ability to reduce capacity when you no longer need it. Compare five-year totals rather than the monthly figure against the purchase price.

Can I set up a cloud server myself?

Technically yes. Azure, AWS and most providers will sell you a virtual machine in ten minutes. The parts that go wrong are sizing, identity, network design, backup and licensing compliance, and those are also the parts that are expensive to correct after go-live.

What happens to my old server after migration?

Keep it powered off but intact for 30 to 60 days as a rollback option, then decommission it properly. That means certified data destruction on the disks, not a skip. Under UK GDPR you remain responsible for personal data on that hardware until it is securely destroyed.

What is the difference between a cloud server and cloud hosting?

A cloud server is the virtual machine itself. Managed cloud hosting is the virtual machine plus the work around it: monitoring, patching, backup, security and a support desk when something breaks. The first is infrastructure. The second is an outcome.

Work out whether you need a server at all

If your server is approaching end of life, your Windows Server 2016 deadline is in sight, or you simply want to know whether you are paying for infrastructure you no longer need, GR.IT Consultancy offers a free 30-minute IT audit. We look at your current setup, identify what can be retired, and give you a written report with indicative costs for each route.

Book your free 30-minute IT audit or explore our managed cloud hosting services, managed IT support and Office 365 managed services.