Software for business & hospitality

Software that fits your business, not the other way round

We build ERP, hospitality systems and custom applications, with Greek myDATA e-invoicing built in from day one.

New · Gelatina AI

The ERP that answers and acts

Ask GrandERP in plain words, typed or spoken. Gelatina answers with figures from your own data, issues invoices and handles orders, always with your approval.

  • Issues invoices
  • Handles orders
  • Answers with figures
  • Morning briefing
Meet Gelatina →
How it fits together

One order, from start to finish

Whatever happens at the venue or on the production floor flows on to the next step by itself. No double entry.

  1. Order

    From the till, handheld, kiosk, QR menu or online shop.

  2. Fulfilment

    Reaches the kitchen or production instantly.

  3. Stock

    The ERP updates inventory and consumption.

  4. Fiscal document

    Sent to myDATA through the provider.

  5. Reports

    The numbers on your screen, as they happen.

Connects with

  • AADE myDATA
  • E-invoicing provider
  • GEMI business registry
  • Card terminals
  • Online payments
  • Couriers & lockers
  • VoIP phone system
  • Excel / CSV
Why us

One partner, from analysis to support

Everything in one place

Software, invoicing, hardware and support from the same team. One number to call.

Tailored, not compromised

We write the code, so we can change it. The software follows the way you work.

Your data, where you want it

Choose whether the system runs in the cloud or on your own server. Your data stays yours.

Talk to the people who build it

No call centres, no middlemen: you speak directly with the people who develop your software.

How we work

From the first call to everyday operation

  1. Needs analysis

    We look at how the business works today and what the system has to solve.

  2. Proposal & quote

    A clear proposal: what is included, timeline and cost.

  3. Build & migration

    Set-up, customisation, data migration and testing before go-live.

  4. Training & support

    We train your staff and provide support after installation.

Frequently asked questions

What does Grand Systems do?

Grand Systems is a Greek software company. It builds ERP for businesses, hospitality systems (POS, handheld ordering, self-service kiosks, kitchen displays, QR menus), a booking system, VoIP phone systems and custom software, with myDATA e-invoicing built in.

Where can I find handheld ordering (PDA) for a restaurant or café in Greece?

Grand Systems provides handheld ordering for restaurants, café-bars and take-away across Greece. FLOW, our order-taking system, costs from €39.99 per month per venue with unlimited handhelds and runs on Android devices and phones. The POS till starts at €25 per month.

Which e-invoicing provider should I choose in Greece?

E-invoicing providers are companies certified by the Greek tax authority (AADE). Grand Systems works with a certified e-invoicing provider and connects invoicing directly to your ERP or till, from €79 per year per VAT number. If you already have a provider, we look at connecting to it.

How much does a restaurant system cost?

At Grand Systems the hospitality plan starts at €25 per month per venue (POS till) and at €49 with kitchen displays, QR ordering and stock. Waiter handhelds are added with FLOW from €39.99 per month, unlimited, and a self-service kiosk from €29 per month. Prices exclude VAT; hardware is charged separately.

Is the software compatible with AADE myDATA?

Yes. Grand Systems software (ERP, till, online shop) issues documents that are sent to myDATA through a certified provider, with a MARK number and QR code on every document, and the ERP also supports digital delivery notes.

Is there an ERP for food manufacturing?

Yes. GrandERP by Grand Systems supports recipes, batches, expiry dates, traceability, HACCP records, delivery with digital delivery notes and myDATA invoicing. It is used every day at the Grand Gelato ice-cream factory.

Do you serve all of Greece?

Yes. Grand Systems has offices in Athens and Xylokastro and serves businesses all over Greece, with remote installation and support and on-site visits where needed.

How do we get started?

Book a short call or demo, tell us what you need and receive a written proposal with price and timeline before you commit. Installation, data migration and staff training are handled by Grand Systems.

Newsletter

Stay up to date

News on myDATA, software and tools for your business. About once a month.

A proposal tailored to your business

A short conversation is enough for us to suggest a solution and a cost. No commitment.