Powerful accounting and financial management systems

It's vital that your accounting system can adapt to organisational change, provide the level of analysis you need and grow as your business grows. Harness the power of software to meet your business needs and ensure you stay responsive and agile in today’s challenging business environment.

Our software can be hosted in the cloud and we can also implement and support Microsoft Office 365 and Microsoft Dynamics 365 solutions.

Infor SunSystems

Infor SunSystems

Integrated financial management, purchasing, and inventory solutions which are robust, flexible, scalable and geared to grow.

Pegasus Software

Pegasus Software

Award-winning cloud accounting, business management, HR and payroll software solutions from Pegasus Software.

Microsoft Dynamics

Microsoft Dynamics

End-to-end business solutions from Microsoft based on core financial management capabilities combined with comprehensive ERP and CRM solutions.

Add-on Functionality

Build on your existing finance system with value-add products from our technology partners, implemented and supported by Castle, contact us for further information.


An eCommerce requisition and order management product which seamlessly integrates with Infor SunSystems.

Asset Management

Powerful fixed asset software that can control, track and record every change that occurs during the lifetime of an asset.

Infor BI

Infor BI delivers unprecedented insight into your business.


ePay makes Electronic Funds Transfers as easy, cost-effective and secure as possible.

Spindle Document Distribution

Deliver professional and branded documents to customers and suppliers electronically.

HR & Payroll

From recruitment to retirement, Cintra iQ allows quick and easy access to all relevant information when you need it most.

Expenses Management

An automated expenses management system that can integrate with many of the major financial accounting systems.

Time Management

A powerful and flexible business management solution which incorporates time recording, budgeting, resource planning and invoicing modules.

Looking to transform your business?
We're here to help with software upgrades, support, implementation and training. Our solutions can also be hosted in the cloud.
Trusted By
Crown Office & Procurator Fiscal Service
Erskine Care Homes
Scottish Enterprise
Genesis Housing Association
McAvoy Group
Aviva Plc

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