Development
Secure B2B and B2C web and mobile applications, powered by APIs. Accelerated delivery through our unique Blueprint platform.
Integration
API-led integration platform design and implementation. Managed Integration Platform as a Service (MiPaaS).
Engineering
Design, build and manage secure platform infrastructure in the cloud or sovereign data centre - built to the highest public sector security standards.
Support
A full stack platform development and support service. Fully managed environments for public and private sector peace of mind.
Why Open Answers
Deep Skills
Our engineers and architects are some of the best in the business, with decades of experience. Customers trust us to tackle complex technical problems, like performance engineering the world's largest online lottery platform or designing APIs that power the NHS App. We become experts in our customers' industries.
Trusted Delivery
Honesty and integrity drives all that we do, from building secure HR systems for large public sector bodies to transaction engines handling hundreds of millions of pounds. Our size and flexibility allows us to deliver faster and cost-effectively, building successful long-term relationships with our customers.
By Appointment to: HM The Queen Supplier of Information Technology Services
Complies with the requirements of the Cyber Essentials plus scheme
Products
Our free-to-use products showcase some of the components and tools that we create for application delivery.
Blueprint
Codify your requirements. Accelerate delivery time and reduce costs by validating a design before implementation. 
My Tax Digital
Free HMRC-recognised Making Tax Digital bridging and accounting software - trusted by tens of thousands of businesses, submitting billions in MTD VAT returns since 2019. 
Panther
Watch your events like a Panther!
Centralize and manage events from IT systems, networks and applications in a single console.
Top4J
Production-ready performance analysis tool for the Java Runtime Environment. 
Customers and Partners
