UK businesses are drowning in subscription chaos: they buy dozens of tools with overlapping functionality, rising monthly bills, and systems that barely communicate. So, before adding another platform, it is worth asking, “What is Software as a Service?”, what it serves, and what new costs or risks it may create.
At Luminary Brands, we regularly audit IT systems and build custom solutions for UK companies, so we see where software as a service helps and where it can become a financial drain. With this expertise, we decided to create a guide for you that explains the SaaS model without corporate jargon.
You will see how software as a service companies make money when subscriptions are more cost-effective than bespoke products and when custom software is smarter. We will also cover risks, price, different types of SaaS, and more.
Software as a Service refers to a delivery model in which a firm accesses software over the Internet via a web browser or application, rather than installing it locally or on its servers. Here, the consumer pays a fee, usually on a periodic basis, to access the solution through a cloud computing model provided by software development companies in the UK.
This model is appropriate for the way UK businesses currently adopt technology, including quick deployment, lower capital expenses, and scalability.
Global software spending is expected to rise to ~£1.0642 by 2026 (converted from USD) with an annual increase in software spending estimated at 14.7%, so SaaS is the go-to choice for CRM, HR, finance, communications, logistics, and analytics.
Software as a service refers to software that is provided via the internet and is hosted by an external vendor. The users will use browsers or applications to log into the system and access the software from different locations without having to install the complete software.
The vital distinction is in terms of ownership. While the traditional software is purchased and managed by the company, SaaS is leased from its provider. This facilitates quick implementation but leads to dependence on the provider’s prices, service, development plans, data export policies, and agreements.
For a small brand, this rental option is often cheaper than buying servers, licenses, and maintenance capacity. Still, for larger businesses, it can be more expensive when it comes to multiple paid tools needed for bigger teams.
The best explanation of a software-as-a-service platform is to imagine it like renting an office in a business centre. You don’t build the property, don’t hire cleaners, security system, repair lifts, or maintain the roof. You pay the rent, and the owner takes care of all the nuances so that you can move in quickly and start working.
Creation of an office centre is time-consuming and costly initially. But it provides complete control over the layout, security, infrastructure, and expansion opportunities for the organisation. The same approach is applicable to custom software. It demands greater effort and money, but allows better compatibility with business processes than SaaS apps.
For situations that require speed, SaaS is normally preferred. Custom software takes on priority if the firm requires a unique workflow, tight integration, data management, and less reliance on licenses.
To receive this offer, you can choose a software development company with related services, and it will build you a reliable solution based on your needs.
In service as a software, technical management becomes the responsibility of the provider rather than the consumer. The provider will run the software in the cloud, manage databases, monitor performance, apply security updates, and release upgrades.
This translates to less work for business people, who have the ability to access the platform, sign up, grant permissions, and go about their business. The upside for management is fast operation. The downside is limited control of infrastructure, products, location, and availability of services.
Some businesses also start small, turning to MVP development companies that can create the most basic solution to test the idea and save resources.
The application is used by multiple customers, termed as tenants, who have their own users, configurations, access permissions, and limitations, but the vendor has only one version of the code that he maintains.
Such an approach makes it easy for the SaaS vendors to reduce costs. There is no need for them to produce a distinct product for every customer. They just need to maintain one scalable system.
From the point of view of the client, the key issue here is isolation. A good SaaS architecture maintains isolation for its tenant data at all times. Poor architectures, on the other hand, present security problems through bad permissions, bad integrations, bad database setups, etc.
The software-as-a-service companies are responsible for controlling the production environment, in that the software, server management, database management, application code, monitoring and back-up facilities, and release schedules all fall under the SaaS provider’s domain.
This greatly reduces maintenance needs on the part of the user organisation since testing patches and upgrading the software do not need to be done.
The key advantage is uniformity; everyone has access to the latest version of the system, whether in London, Manchester, or working from home. This ensures that all updates, enhancements in security, performance and features can be rolled out at the infrastructure level, minimising the possibility of outdated versions being used by employees.
The trade-off, in this case, is the release dependence. When there is any change by the service provider in the way that the interface works, workflow process, retire a certain feature, or introduce a new pricing model, the consumer will have no choice regarding when to do it. For mission-critical systems, a company should review all these elements.
UK businesses choose SaaS because of the operational needs, not just for convenience. Businesses are under pressure to have faster onboarding, remote access, better reporting, and reduced infrastructure costs.
That is why there are many SaaS options within professional services, eCommerce, logistics, recruitment, finance, legal services, supply chain management software-as-a-service and healthcare.
Similarly, the SaaS sector in the United Kingdom is also developed to allow organisations to opt for either general-purpose applications or highly specialised applications. Small agencies may be using the same collaboration suite that a retailer or a law firm is using, but their operational systems will most likely be totally distinct from theirs.
The category of horizontal SaaS includes applications for business functions that virtually all agencies require: communication, data storage, meeting management, customer management, accounting, project management, and reporting. These involve:
A SaaS (software as a service) system like this is commonly used as an operational base that will handle such things as users, permissions, documents, contacts, tasks, messages, analytics, or approvals in a unified manner.
The vertical SaaS concept revolves around an industry, division, or process. It comprises industry-specific vocabulary, templates, reports, permissions, and compliance. This allows vertical software solutions to offer businesses that need specialised software better functionality than horizontal software.
HR software-as-a-service helps manage employee records, onboarding, annual leave, payroll workflows, performance review, policy documents, and compliance tasks. Recruitment software-as-a-service focuses on applicant tracking, CV parsing, interview scheduling, candidate scoring, hiring approvals.
The sales tax software-as-a-service makes it easier to do things such as automatic VAT calculation, rules for taxes, billing, and more. It is helpful for businesses that are making sales in several different areas or have a large number of transactions.
The value of vertical SaaS can be high, but that’s the case only when the tool fits the company’s actual process. The tool will be solving only one part of the process if the company still relies on spreadsheet-based or database-based processes.
More care should be taken when selecting SaaS for regulated sectors due to the sensitive nature of the data managed by such platforms. Lawyers, fintech, insurers, accounting firms, and health care companies cannot select a platform simply on the basis that it’s trendy or user-friendly.
For instance, in the case of a UK law firm, the SaaS application can be used for tracking enquiries, managing cases, storing documentation, setting deadlines, recording communication history. Role-based access, audit trails, encryption, document storage with appropriate retention, secure data export capabilities can be provided.
Procurement must involve legal, practical, and technical reviews. A service can have outstanding features but inadequate data residency policies. Some might provide adequate security but poor migration capabilities. The most appropriate SaaS service for regulated enterprises will be the one that suits business processes and regulations simultaneously.
In terms of on-premise vs. SaaS cost comparison, the second option appears more cost-effective initially because there is no cost associated with purchasing a server, paying a hefty licensing fee, or building an infrastructure within.
However, local or custom-hosting software may seem more costly initially due to the extensive planning that goes into its implementation.
Traditional software and SaaS have different ways of costing. In traditional software, costs tend to be higher because of the high upfront cost, whereas for SaaS, costs are spread out in the form of subscription fees. Which is more economical depends on several factors.
Here is a quick comparison for more understanding:
|
Cost factor |
SaaS model |
On-premise |
|
Initial price |
Low |
High |
|
Payment structure |
Operating expense |
Capital expense |
|
Scaling cost |
Cost grows with users/storage/features |
May require infrastructure upgrades |
|
Maintenance |
Included in subscription |
Managed by the provider (may be charged additionally) |
|
Best fit |
Startups, small teams, standard workflows |
Growing brands with complex workflows |
The SaaS model becomes costly due to recurring license costs, integration, tool redundancy, unused licenses, administrative overhead, and process gaps. This problem often manifests itself when an organisation has outgrown its basic operations and is forced to pay for multiple overlapping software applications.
Let’s consider the total cost of ownership (TCO) based on the project for a business that requires one tool for CRM, one for support, another one for marketing automation, and finance – that’s a lot.
Each application has its own user list, permissions, structure, expiration date, and integration criteria. It then incurs extra costs in linking the applications, which were purchased to save time.
At this point, the custom solution could be more cost-effective. It will streamline multiple processes within a single system, eliminate licensing costs, avoid data duplication, and ensure better reporting for management.
The decision needs to be made based on figures, including existing spending on SaaS solutions, expected costs over five years for licensing, integration, support, and implementation.
Knowing the risks protects you from downfalls, like the one that appears after you have already moved the data, trained employees, and the workflows are built. Here, it can result in challenging migration, weak export options, rising renewal prices, integration sprawl, and compliance exposure.
This challenge begins with the fact that the platform becomes hard to leave. Years of information about customers, such as files, reports, activity logs, workflows, automations, rights, and other information, is stored in the provider’s system.
What makes it a risk is not only about how one can export the data; the issue here is about the format of such data exportation. For example, if using a CSV file format for exporting data, there might be limitations regarding the connection of the record. There could be files that need to be downloaded separately.
Businesses must ask pertinent questions regarding exit strategy before signing a contract; in terms of service as a software, they include:
UK GDPR compliance is vital for UK brands operating in the healthcare niche, as compliance of SaaS solutions will vary depending on the location in which the information is stored, accessed from, and processed by third parties.
It is all about data sovereignty as it could appear that the SaaS provider is UK-based due to its website, but it could be using other facilities. Then you need to turn to the ICO, explaining the international transfer rules that are applied to personal information.
The ICO gives separate guidance on controller and processor responsibilities, including how those roles apply in practice.
This is particularly critical when referring to the use cases for software-as-a-service solicitors. In law offices, client information, contractual documents, notes of the case, IDs, emails, billing details, and confidential documentation are stored in cloud systems.
The same logic applies to finance, insurance, recruitment, and any business that stores employee/customer records in a cloud system. A practical SaaS compliance review from your side is advisable to cover:
|
Area to check |
Why it matters |
|
Controller/processor roles |
Confirms who decides the purpose of processing. |
|
Data processing agreement |
Defines processing scope, security duties, breach notice terms |
|
Hosting and backup regions |
Shows whether data stays in the UK or is replicated elsewhere |
|
International transfers |
Confirms whether IDTA, UK Addendum, adequacy, or another safeguard is needed |
|
Support access |
Reveals whether overseas staff can view or interact with live customer data |
|
Retention and deletion |
Prevents old personal data from remaining in the platform after it is no longer needed |
It’s not always the service offering the most features that will be the safest option in SaaS. For companies in the United Kingdom, it would make more sense to go with a company that can show exactly how they work before the data is uploaded to their system.
Integration sprawl occurs as SaaS products outgrow governance: the marketing department links its automation tool with the CRM; the finance department uses its reporting tool; HR has an entirely new platform for its employees and all of them need advanced data security & encryption.
The operations team develops its own workflows in its own system. All these products might be solving localised issues, but together, they’re hard to manage.
The main risks are practical:
However, the answer is definitely not banning the use of SaaS. The enterprise needs a controlled set of SaaS tools, like ERP software as a service platform ownership, periodic access assessment, integration approval policy, API key governance, offboarding process, and security audits.
Custom software is the top choice in those cases when the out-of-the-box solution doesn’t match the company’s logic. Nevertheless, not all businesses have to create their own CRM systems, HR tools, or financial solutions – it depends on their requirements.
Made-to-order development can be justified in scenarios where the organisation has special processes, stringent approval requirements, proprietary operations, licensing expenses, automation requirements, or high license costs involving multiple users.
A software-as-a-service platform is doomed if the company changes the process to suit the software rather than enhancing the process with technology. Indicators that something is wrong include duplicated entries, data entry in spreadsheets not on the system, manual approval, non-integrated reporting, inactive licenses, and costly integration.
License inflation is yet another warning signal as the firm continues to increase its number of users, modules, and add-ons, but there is no proportionate rise in productivity. The IT budget increases, but nothing much seems to change.
A custom-built product can eliminate these limitations. Tailored software will be able to fit the actual process flow, integrate all internal applications, automate tasks where possible, create centralised reports, and provide full control over future enhancements.
Developing a bespoke platform doesn’t imply developing anything haphazardly. A good development partner will aid in requirement gathering, architecture design, choosing a software framework, feature prioritisation, data protection, integration planning, and setting up an extendable cloud-based platform.
Luminary Brands assists UK organisations in building software platforms based on their actual business processes that are secure, reliable, and scalable. This may encompass internal systems, customer portal systems, workflow automation, dashboards, SaaS products, and cloud-based platforms.
If your current software stack has become expensive, fragmented, or difficult to control, explore Luminary Brand’s custom software development services and see how they can enhance your product and solve these problems.
In software as a service, the benefits enjoyed by UK businesses include quick deployment, adaptability, and use of mature applications without significant initial outlay on infrastructure. It is suitable for processes that are common, rapidly growing groups, and specific departments.
This model poses dangers if there is no governance in place for subscription purchasing. The license will get more expensive, overlapping tools, data proliferation across different systems, weak integration, and audits too late into the process are some of the problems that can be encountered.
The optimal strategy would be selective: SaaS solutions should be used where they provide a clear reduction in costs or complexity. Regular auditing of the stack should be performed. Redundant solutions should be eliminated. Residency and exit terms should always be checked before any purchase commitment is made.
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