SaaS & Cloud Solutions For Business

Middleware: SOA, SaaS, Web Services & APIs

With extensive experience in providing SaaS solution development services, SPG has been developing a variety of Service-Oriented Architecture (SOA) applications for our clients for over 2 decades. This includes API-based services, middleware components, web services and Software-as-a-Service (SaaS) systems. Software Planet Group’s experience covers all aspects of SaaS development (design, build, configuration, deployment, monitoring and support). Where reasonable, we also make use of the microservices architecture (MSA), as it enables the creation of cutting-edge software applications — with a collection of loosely coupled services — which may then be deployed with different logical and physical servers.

To address your intricate business requirements, transitioning to a SaaS business model must be swift and effective. You require meticulously organised and adaptable software that enhances functionality without sacrificing time to market. With SPG’s comprehensive approach to SaaS product development, you gain a dependable ally in constructing solutions tailored to facilitate your business’s expansion. Transform your workflows, cultivate inventive customer interactions, and propel your growth trajectory forward, all while maintaining uniformity throughout your organisation.

SaaS & Cloud Solutions For Business London

What Is SaaS Today?

The SaaS model today is particularly attractive to startups. While companies may utilise a number of business models including B2B, B2C or even B2B2C, a strategic SaaS can benefit them all. Not only do they enable services on a subscription basis, but they provide bundles for a variety of users to help startup founders cover a wider portion of the market.

Pair that with the surging popularity of machine learning, the wide availability of AI features and the ever-decreasing costs of infrastructure and the SaaS concept is a solid bet in an age of uncertainty, as it unlocks a whole host of exciting new business opportunities in Insurance and Finance, Entertainment and Gaming, Productivity, Healthcare and Wellbeing.

Many SaaSes grow with their clients’ businesses. While smaller companies tend to begin with more affordable subscription plans, as they gradually increase their business operations, they are likely to extend their SaaS usage. This in turn leads to a greater amount of data being handled by the SaaS, in addition to an increase in load and utilisation of server resources. In this way, SaaSes will invariably operate in a dynamic environment, so they have to quickly adapt to the evolving needs of their clients and assiduously keep pace with technology.

Our SaaS Services and Solutions

From the initial conception to the deployment of our SaaS systems, through continued development and beyond, we’re here to help. We specialise in developing cutting-edge software as a service solutions tailored to your specific requirements. Our expert team is well-versed in the way of doing things, which ensures that we can provide seamless integration, scalability and security, thereby empowering your business to thrive in the digital landscape. Explore our comprehensive range of SaaS web services and SaaS cloud solutions designed to meet your unique business needs.

SaaS Development

Our SaaS and cloud solutions specialists are capable of crafting high-quality, multi-tenant SaaS based solutions tailored to the unique requirements of your business. Our SaaS software solutions employ a robust infrastructure, seamless integration, and unwavering security. Through these central tenets, we ensure the development, deployment, and maintenance of SaaS platform products that exceed expectations.

We develop various SaaS  platform/solution products:


Simple web SaaS or web + mobile SaaSes


Platform-as-a-Service (PaaS)


Single-tenant and multi-tenant SaaS platforms


Infrastructure-as-a-Service (IaaS)

SaaS Migration:

Perhaps you’re aware of SaaS Planet and are keen to move your business into the SaaS world. SPG specialises in facilitating the seamless migration of software to a SaaS business model, and in conducting thorough risk assessments to mitigate any potential disruptions and resolve issues before they arise. Clients experience boosted agility, accelerated growth, and enhanced market responsiveness when transitioning to a SaaS environment with SPG, and we manage all of this without disrupting their workflow.

Our SaaS middleware migration services include, but are not limited to:


Tech stack replacement or upgrade


Changing hosting providers


Migrating to a cloud infrastructure


Moving between cloud providers

API Development:

Well-designed APIs are the backbone of your SaaS architecture. We build robust, secure APIs that allow your application to communicate with and enhance other platforms.








Custom Binary Protocol


Protobuf-Based Products

Legacy API Replacement:






* – eligible for a special Old School discount



Third-Party Integration:

Ensure seamless data flow between cloud-based services. Facilitate smooth connections between your platform and third-party APIs.







Google icon

Google APIs

Google Maps API, Google Ad Manager API, Google Analytics API, Google Drive API, etc.



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Facebook APIs

Need help with Your SaaS Project?

Whether you’re looking for a SaaS-based cloud software solution or want to learn about SOA vs SaaS, we’re here to help.

SaaS Examples

Popular SaaS examples that have grown to be true industry powerhouses include PipeDrive CRM, FreeAgent Accounting and of course, the Shopify platform.

For companies with an initial SaaS concept in mind or who are looking to improve their existing products, Software Planet Group can help you with:

  • developing new SaaS applications
  • tweaking existing SaaS products or services
  • integrating your product with other third-party services
  • migrating your SaaS product or constituent components

In both the corporate sector and SMEs, the SaaS model is used to automate the following operations:


Finance & Operations

  • Accounting & Invoicing
  • Reporting & Compliance
  • Enterprise Risk Management & Enterprise Resource Planning (ERM & ERP)
  • Point of Sale systems (POS)
  • Payroll processing
  • Inventory management

HR & People Management

  • Human Resource Management (HRM)
  • Career assessment and development
  • Key Performance Indicator (KPI) & Goal tracking

Sales & Marketing Functions

  • Customer Relationship Management (CRM)
  • Search Engine Optimisation (SEO)
  • Advertising / AdTech

Hosting Platforms

At SPG, we work with most major platforms to effectively deploy your web application or SaaS.

Benefits of Working with Our Team

As an experienced cloud SaaS design agency, there are many advantages to partnering with us. With a wealth of expertise in the UK market, we specialise in delivering top-notch SOA SaaS solutions, built just for your business. By collaborating with SPG, you’ll gain access to a team of passionate and dedicated professionals who are committed to delivering excellence at every stage of the development process. From concept to deployment and beyond, we prioritise communication, transparency, and client satisfaction to ensure the success of every SaaS project.

The Latest SaaS Technologies

The very latest cutting-edge technologies underpin our SaaS development services in the UK and beyond. Our team leverages the latest tools and frameworks to create unrivalled, innovative and scalable SaaS solutions. From robust backend infrastructure to intuitive frontend interfaces, we utilise a diverse range of technologies including but not limited to JPHP, Node.js, React.js, Angular, Vue.js and Python. With our expertise and these technologies, we can confidently ensure that your SaaS application will be built to the highest standards of performance, security, and reliability. Partner with SPG to harness the full potential of modern technologies for your SaaS development projects.

Software Planet Group at a Glance

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Case Studies 

SPG are proud of the work we do. From SMEs to large corporations looking for web developers in the UK, we are the trusted partners of hundreds of businesses — both in the UK and internationally — who put their confidence in our experienced programming specialists.

To learn more about how we meet the unique needs of our clients, take a look at some of our featured case studies!

Clients from SMEs to Fortune 500 Companies

When it comes to serving customers, there is never really a silver bullet. Our success is the direct result of working hard to find the right approach for every one of our specific partners.

How We Work

Our transparent and iterative approach to SaaS in cloud computing and building SaaS middleware solutions ensures a constant flow of communication and feedback throughout the development process. From the initial planning and design stages right through to development, testing, and deployment, we prioritise efficiency, quality, and client satisfaction. With our focus on the Agile methodology and continuous improvement, we deliver exceptional results that align with your business objectives. Partner with SPG to benefit from our streamlined approach to SaaS development.

Our customer roadmap for SaaS software development is as straightforward as it gets:

Get in touch

Arrange a phone call or video chat

Provide requirements

Get Efforts Estimation

Start development


Can I get my SaaS delivered really fast?

Yes, depending on the project size and requirements, we may be able to deliver your MVP within two weeks to four months. Following this, we can ensure regular releases of new functionalities every two to six weeks.

As a versatile and flexible outfit, we can also scale up our team at any time, meeting even the most demanding and challenging of deadlines.

How does a SaaS model work?

The SaaS model works by delivering software to end-users via the internet on a subscription basis, in return for a monthly or yearly fee. As such products are hosted by the software providers, there is no need to install them locally. An increasing number of organisations now invest in SaaS development services, thanks to such benefits of the Software-as-a-Service model as cost reduction, recurring revenue, seamless expansion into foreign markets, and high adoption rates.

How should I select the right SaaS development vendor?

This is a crucial decision, so pay attention to a vendor’s proven track record of delivering similar solutions to what you’re looking for. Follow these steps to help you make the most informed decision.

  • Always research their expertise, communication skills and portfolio. 
  • Review the company’s approach to development and assess whether they are suitable for working closely with. 
  • Ensure that they understand your business needs and goals.

How much will it cost to build my SaaS product?

The cost of SaaS development is affected by many factors, including:

  • The complexity of your product, which effects the time required for development
  • The technology stack you want to use
  • The size of the development team and required level of expertise
  • Cloud resource consumption

The costs of creating a basic SaaS product may start from approximately £20k.

How is SaaS development different from traditional software development?

SaaS development focuses on creating web-based applications which are hosted centrally and accessed via the internet. Unlike traditional software, it's updated and maintained by the provider, and typically follows a subscription model.

What makes a successful SaaS solution?

The key components of a successful SaaS solution include a user-centric design, robust security features, scalable architecture, seamless integration capabilities, and reliable performance. These components are essential for meeting the ever-evolving demands of the software industry, ensuring that the solution remains flexible, efficient, and relevant to users' needs.

Ready to Start Your SaaS Project?

Get In Touch With SPG Right Now!

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