RSK Business Solutions
Anerley Court, Half Moon Lane, Hildenborough, Tonbridge
Phone: +44 (0) 1732 833111
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10 years Of Innovation - RSK-BSL Start up Zone Logo
  • Bespoke Software Development
    Custom Software. Made Simple. Made Right.
  • Software Developer outsourcing
    Smart Sourcing To Scale your Software Development Team.
  • Hybrid Mobile App Development
    Hybrid Mobile App For Companies With A Vision.

Technology Talent Innovation

An innovative Software development company remodelling ideas into reality

Along with ten years of experience, RSK BSL is the best software development company at rendering customer satisfied solutions. We realise that each and every client have a unique business landscape and customer market. Hence we ensure that our customised solutions are coherent with the client’s ideas. Through intelligent outsourcing, flexible contracts, we are the go-to associates for flexible expert solutions. We are people-centric business fuelled by technology at its heart, Started in 2009, we, as a software development agency, have successfully expanded our self with a development centre near Delhi (India), with a localised presence at Tonbridge, Kent UK, and an office in New Jersey (USA).

RSK BSL Experience


Software Development Company

Software Development

If you are looking for custom software development services– built to meet the challenges of your business and encompass all of your existing business processes, then call RSK to yield high quality solutions that add value to your business. We provide bespoke software development solutions using agile software development...

Software Outsourcing Company

Smart Sourcing

When your business projects and ambitions demand additional skills, expertise, and experience, RSK’s smart sourcing provides you with a flexible, tailored solution that’s designed to meet your exact needs. At RSK, we go beyond traditional outsourcing to provide dedicated, scalable support that’s focussed, effective, and ...

Mobile App Development Company

Mobile Apps

A mobile app that offers real value, and works well, has a direct impact on customer behaviour. The RSK Business Solutions team specialises in Android, iOS, hybrid app development, and Cross-Platform. Our mobile app development experts will ensure that your app project is delivered on time to the highest standards, helping to turn your business...

Railway Risk Management

Rail Risk Management

Our powerful risk management tool - which was written from scratch and uses a large amount of complex mathematical algorithms - helps to improve performance and more importantly the on-going safety across the whole rail network. We worked with RSSB in order to understand the bespoke nature of the risks and mitigations...


Our Technological Versatility

Regardless of your digital demands, we ensure that you receive the right software development solutions with the right technology employed. We provide platform-specific and cross-platform solutions utilising techniques such as:


Dot net technology logo
Java Technology Logo
Angular Technology Logo
node Js Technology Logo
J2EE Technology Logo
Spring Boot Technology Logo
Vaadin Technology Logo
Jasper Technology Logo
Oracle Technolog Logo
SQL Technology Logo
iOS Technology Logo
Android Technology Logo
Software Development for Startup

Startup Technical Partner

Offshore Product Development services to kickstart
growth of your startup.

Best Software development company for Startups

Every startup in their initial stages is like growing embryos. With the right technology partner and budgets, the customer reach and hence their business domain can flourish. By collaborating with the RSK BSL software development Company, UK,clients are assured of solutions that:

  • Flare customer reach and profit
  • Affordable
  • Are Developed by an expert resource pool.
  • Require no infrastructural necessities
  • Enhances global reach
  • Reinforces brand value

Since we utilise smart sourcing and offshore product development, we solve the problems of hefty budget and time for in-house development team creation and maintenance. Since we oversee the nature of every resource pool, the client’s requirements are addressed by a team of high technical calibre.

Why Choose RSK-BSL

Why choose RSK BSL as your next software development company UK?

By implementing the right technologies that devise the most lucid and customer-centric solutions of software development agencies in the UK, we are your go-to technical partners. The resource pool at RSK BSL, the best software development company in the UK is profoundly technically skilled and professional. Not only do we deliver software development solutions well within the framework of end dates, but we also ensure our solutions comply with the business standards. Coupled with flexible contacts and regional project management and support, we ease the difficulties involved in maintaining an IT development team. From requirement analysis sessions to framework and code software development solutions, we ensure that we cover all platform-specific and business-specific demands of our clients.

Technically Skilled Team

Technically Skilled Team

The resource pool at RSK BSL is technically skilled and professional. Through smart sourcing the resource pool created consists of skilled developers and designers with over five years of experience in the field.

Stringent on Deadlines

Stringent on deadlines

The RSK BSL is a software development company that sticks to the deadlines defined by the client

Focus on Core Business Operations

Focus on core business operations

Your business may have limited resources, and every manager has limited time and attention. Outsourcing can help your business to shift its focus from peripheral activities towards work that serves the customers, and the business managers can focus their energies where their competencies lie.

Regional Project Management

Regional project management:

Having a local presence, we, as a software development company, UK are easily available. Hence we provide timely addressal of client’s needs without delay.



Everything in the business world is unprecedented with rapid changes. To keep up with the changes we utilise agile methodologies thus pushing those requirements to sprint that require immediate attention. We ensure consistent communication with the client for zero gaps between requirements and the expectations set.

Have a Robust Idea in mind, Let our team transform it

Our Notable Achievements

A peek into our notable achievements.

  • We are a technically talented and innovative software development company with over ten years of experience
  • Ours is a leading software development company that comprises of over 100 satisfied employees our workspace environment is absolutely employee-friendly
  • We have worked over more than 200 projects which includes esteemed projects like BBC, Network Rail, Mott MacDonald, Siemens, National grid etc.
  • We have the flexibility and technical competence with our versatility proved in over 15 industries
  • Our Software development solutions have over 1 Million hours billed.


  • BBC
  • FTA
  • Cadline
  • Babcock trusted to Deliver
  • ARUP
  • Taylor Wimpey
  • RSSB
  • National Grid
  • MACE
  • National Theatre


Cadline Logo

"We have been working with the outsourcing team at RSK Business Solutions for over 5 years now.  Their technical team continues to develop our .Net, GIS and Bing map development tasks. They have the right mix of technical and communication skills for the job. – I would not hesitate in recommending them to anyone…a first class software outsourcing partner!"

Richard Robertson | Business Development Director | CADLine

Glenfield Logo

"Glenfield Software have called upon RSK Business Solutions Ltd (RSK BSL) to provide technical offshore resources to increase the capability of our development team within busy periods or for larger projects. RSK BSL have proved to be a flexible and reliable supplier of offshore development. Specifically they successfully supported us develop a native iOS mobile application for one of our high end retail clients. We would be happy to use RSK BSL in the future"

Ken Francis | Company Director | Glenfield Software

Mace Logo

"The Sustainability and Environmental Risk Management System (SERMS) written by RSK Business Solutions Ltd was adopted and deployed by MACE and is now used on all UK construction projects. The system advises and guides our project managers through the complex legal compliance issues that come with large construction projects taken on by MACE. Recently, the system has been adapted for the global market and has been well received. RSK Business Solutions Ltd adopt a consultative approach which is backed by a fundamental understanding of construction and environmental domains which set them apart from other software suppliers."

Andrew Kinsey | Sustainability Director | MACE



  • BBC

    To support their varied and global programming portfolio, BBC needed a digital tool to compile an on-demand risk assessment for all staff and contractors, that could be accessed on location, in the studio, online and offline. We developed an on-demand risk assessment tool adopted by the BBC and used by staff and contractors worldwide.


    As part of Network Rail’s on-going safety and performance improvement commitments and in compliance with the requirements of RSSB, RSK developed a bespoke web based tool to quantify, mitigate and manage risk associated with overrun risk within UK infrastructure. The resultant software package was the Signal Overrun Risk Assessment Tool (SORAT).


Latest at RSK Business Solutions

  • How to Scale Software Teams Efficiently?

    Being a product-based company, the major focus is onto the creation of the product. But when the requirement increases, the focus gets diverted towards the scaling of the team so that the entire release cycle can run efficiently.

  • What Are the Top 5 Technology Trends Of 2022?

    The way technology is evolving so rapidly, it is facilitating progressive change in today's world. Moreover, the trend is not only limited to any one industry, but the scientific trend also got advanced enough to amaze and protect humans in several forms.

  • Why Businesses are choosing the Cloud?

    Cloud is now a part of mainstream IT at large enterprises. Businesses across geographies and industries now consider various cloud platforms and services part of their playbook. Many of these businesses regard hybrid cloud as the next cloud frontier for their organizations.



Why should I hire a Software development company for my projects?

Hiring a software development for your projects gives you an edge of your competitors. You have wider range of expert developers to chose from for working on your projects so they are more likely to be in line with your needs and help you achieve your business goals.

Do you offer software development consulting to start-ups as well?

Yes, we offer software development for startups as well. In fact, our software development services are meant for every business no matter what their size and industry. We have resources to handle projects of every size.

What is the average cost to develop an IT Software for business?

The average cost for IT software development for business varies from one development project to the other. It depends on the features, functionality, technology, and scalability amongst other things.

Can I choose the Software development agency for myself?

Yes, you can choose a software development agency if you want to build a software product without dealing with the nitty-gritty yourself. Also, hiring an agency is a more cost-effective option.

As a Software development agency in UK, do you offer confidentiality of personal data?

Yes, we are a software development agency that provides complete confidentiality of our client data. We adhere to all he GDPR standards. Separately, we also have Cyber Essential accreditation. So we take the issue of your data confidentiality and security very seriously.

How can I choose a software development company?

Choosing a software development company can be tricky at times. There are various organisations across the world. But you should look for someone with experience and strong case-studies. Save the effort and choose RSK BSL as we not only have 10+ years of experience but we also server most industries across the globe.

What makes RSK BSL the best software development company?

RSK BSL is the best software development company in the UK because it listens to and understands its clients’ requirements and deliver a solution that is a 100% match.

Do you offer software development for website or for app as well?

Yes, we offer software development for website as well as for app. Talk to us to know more about our services.

Let's talk about your project

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