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ERP & CRM Software Development in the UK
For UK businesses the accounting package is fixed: VAT returns go through Making Tax Digital-compatible software. So the ERP's job is to run operations and hand clean, VAT-coded transactions to Xero or Sage — not to become a second ledger.
Short answer
A2Z Global builds custom ERP and CRM systems for UK businesses that feed Making Tax Digital-compatible accounting software such as Xero, Sage or QuickBooks, with 20% VAT handled correctly and personal data treated under UK GDPR. Delivery is by an offshore team in Karachi whose working day overlaps your morning, with fixed quotes and phased releases.
Key takeaways
- The order modules are built in matters more than which modules you choose.
- Clean master data — customers, products, suppliers — is the foundation every module depends on.
- Invoicing has to be designed for the country's tax and e-invoicing rules from the start, not adapted later.
- Delivery is phased: one module in daily use before the next begins.
/Building for UK
What an ERP for the UK has to handle
The details that make erp & crm systems for the UK different from anywhere else — and that we plan for before the first screen is designed.
| What changes | In the UK |
|---|---|
| Tax | VAT is charged at a standard rate of 20% and administered by HMRC. |
| E-invoicing | There is no mandatory B2B e-invoicing in the UK today, but Making Tax Digital requires VAT-registered businesses to keep digital records and file VAT returns through compatible software — so an ERP has to feed an MTD-compatible accounting system cleanly. |
| Accounting software we integrate | Xero, Sage, QuickBooks |
| Language | English. |
| Data and privacy | UK GDPR and the Data Protection Act 2018 govern personal data, supervised by the ICO. Cookies and marketing consent fall under PECR, which is why a UK site needs a real consent banner rather than a notice. |
| Pricing | Priced per project. You get one fixed written quote after a discovery call. |
/How we work with you
Working with a team outside the UK
Delivered by the A2Z team from our Karachi office. You get a named point of contact, calls on WhatsApp, Zoom or Teams, a written scope before work starts, and a working link you can open while we build.
Pakistan is 4 to 5 hours ahead of the UK depending on daylight saving, so your whole morning and early afternoon overlaps our working day.
/Included
What you get
- Custom ERP/CRM modules
- Role-based portals & dashboards
- Third-party integrations (accounting, email, logistics)
- Data migration & training
/Work
Projects for the UK
/FAQ
ERP & CRM Systems in UK: common questions
Does it work with Making Tax Digital?
Through your accounting software. The ERP passes VAT-coded sales and purchases to an MTD-compatible package such as Xero, Sage or QuickBooks, which files the return.
How is customer data handled under UK GDPR?
With role-based access, data kept only as long as needed, and documented processing, so you can meet your obligations as data controller.
Can it handle Direct Debit for recurring customers?
Yes, through GoCardless, with payment status flowing back into customer accounts.