Rectangle Red are a UK bespoke software development company offering a wide range of computer programming services for business, based in Milton Keynes. We are here to help.

We are based wholly in the UK, and have a team of highly skilled and experienced developers. We are experts at listening to your requirements and turning them into well thought out solutions that add real value to your business.

We do all work in-house – we do not have the quality issues caused by outsourcing and subcontracting work overseas or elsewhere.

Bespoke Software

  • Analysis, specification and design
  • Bespoke software development for business
  • Simple and complex applications built
  • Windows, web and apps
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Data Driven Websites

  • Connecting your data to your customers
  • Powerful websites that publish your data
  • Your customers can input data on your website
  • Simple to use, reliable and secure
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Database Development

  • Database design and implementation
  • Performance tuning
  • Gathering data from other systems
  • Migration, import, export and tidy up of data
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iOS and Android Apps

  • We choose the right tool for the job
  • Content managed apps
  • Cross platform apps with Cordova and Xamarin
  • Native apps for iOS and Android
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Legacy Application Support

  • Support for applications written by others
  • Maintenance and updating of applications
  • Recovery of source code
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Virtual Helpdesk

  • Offer your customers a technical helpdesk
  • Technical presales support for your bids
  • Post sales support of your products and services for your customers
  • Have the IT support capability of large companies
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We are specialists in making software work with other software. Experienced in many varied and normally unconnected technologies.

We make our customer’s systems work smoothly with 3rd party solutions. Applications include content providers, postcoding systems and delivery company integration, identity verification services and payment providers such as PayPal and Stripe.

We work with Windows server and desktop environments, Linux applications, database integrations and web service integrations. Find out more about how we make software systems work with each other here.

Examples of Products We Work With


  • Xero API Usage
  • Data Import and Export
  • Data Synchronisation
  • Data Backup
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Winman ERP

  • Database and Field Customisation
  • Data Import/Export
  • Advanced Report Writing
  • Web Front Ends
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Payment Gateways

  • Stripe
  • Paypal
  • Worldpay
  • Sage Pay
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  • Data Import and Export
  • Data Synchronisation
  • Add History and Links
  • XML API Usage
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Access Recruitment CRM (RDB ProNet)

  • Stored Procedure Customisation
  • Data Import and Export
  • Grid Reports
  • Reworking Email Attachments
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Access SelectPay

  • Data Import
  • Data Synchronisation
  • Integration with Goldmine
  • Reports
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About Us

We work for customers throughout the UK, thanks to excellent internet connections and being in one of the most central transport locations in the country.

We were established in 2007 and our experience covers a considerable range of bespoke software development solutions and technologies, applied to corporate companies, research labs, software houses, CRM consultancies and large management consultancies.

We have considerable experience working with smaller and medium sized businesses where we make a very real difference to our customers’ business success.

In 2021 we are expanding and are looking forward to bringing our services to more businesses throughout the UK.

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Contact Us

Call us on 01908 887180, email us at, or use the form below.

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