# Dr Dynamics > Dr Dynamics Ltd is an independent UK Microsoft Dynamics 365 Finance & Operations consultancy specialising in e-invoicing and regulatory compliance, delivering across the UK and Europe. Founded 2019. ## Solutions - [eInvoicing for Dynamics 365 F&O](https://www.drdynamics.co.uk/solutions/einvoicing-for-dynamics-365-finance-operations): Peppol/PDP-ready e-invoicing for D365 Finance & Operations, with Validate / Implement / Run pricing tiers. - [eInvoicing for Dynamics AX](https://www.drdynamics.co.uk/solutions/einvoicing-for-dynamics-ax): Pre-built e-invoicing connector retrofitting AX 4.0 / 2009 / 2012 for modern mandates. - [ZUGFeRD / Factur-X Generator](https://www.drdynamics.co.uk/solutions/zugferd-factur-x-generator): Hybrid PDF/XML invoice generation for German and French compliance. - [Purchase Order Security Pack](https://www.drdynamics.co.uk/solutions/purchase-order-security-pack): Restricts D365 purchase-order visibility to the requestor/orderer; available on Microsoft Marketplace. ## Services - [Advisory](https://www.drdynamics.co.uk/services/advisory): Independent Blueprint Reviews and architecture second opinions for D365 F&O programmes. - [Delivery](https://www.drdynamics.co.uk/services/delivery): Hands-on D365 F&O implementation and delivery. - [Support](https://www.drdynamics.co.uk/services/support): Post-go-live D365 F&O support and performance optimisation. - [AI & Automation](https://www.drdynamics.co.uk/services/ai-automation): AI agents and automation for Dynamics 365 ERP. ## Knowledge & content - [E-Invoicing Hub](https://www.drdynamics.co.uk/e-invoicing): Country-by-country e-invoicing mandate guidance for D365 customers. - [Knowledge base](https://www.drdynamics.co.uk/knowledge): Answer-first FAQs on D365 implementation, performance, security, go-live, integration, data migration and finance. - [Blog](https://www.drdynamics.co.uk/blog): Technical articles on D365 F&O e-invoicing, performance, delivery and AI. - [Case studies](https://www.drdynamics.co.uk/case-studies): Anonymised programme outcomes. ## Tools - [Dr Dynamics D365 F&O Architect GPT](https://www.drdynamics.co.uk/tools/dr-dynamics-architect-gpt): A custom GPT assistant for the Dynamics ERP community. ## Company - [About](https://www.drdynamics.co.uk/about): Who we are and how we work. - [Contact](https://www.drdynamics.co.uk/contact): Sales, support and partnership contacts. - [Book a call](https://www.drdynamics.co.uk/book): Schedule an introductory call.