---
title: "Blog – guides on SaaS, sales, and POS – Sellora Group"
description: "Guides on POS systems, sales, the cloud and data security. The Sellora Group blog for hospitality, retail and service businesses, from one venue to a chain."
canonical_url: "https://sellora.group/en/blog"
locale: en
meta:
  author: "Sellora Group sp. z o.o."
  "og:description": "Guides on POS systems, sales, the cloud and data security. The Sellora Group blog for hospitality, retail and service businesses, from one venue to a chain."
  "og:image": "https://sellora.group/_og/d/c_Sellora%2Ctitle_~QmxvZyDigJMgZ3VpZGVzIG9uIFNhYVMsIHNhbGVzLCBhbmQgUE9T%2Cdescription_~R3VpZGVzIG9uIFBPUyBzeXN0ZW1zLCBzYWxlcywgdGhlIGNsb3VkIGFuZCBkYXRhIHNlY3VyaXR5LiBUaGUgU2VsbG9yYSBHcm91cCBibG9nIGZvciBob3NwaXRhbGl0eSwgcmV0YWlsIGFuZCBzZXJ2aWNlIGJ1c2luZXNzZXMsIGZyb20gb25lIHZlbnVlIHRvIGEgY2hhaW4u%2Ceyebrow_Sellora%2BGroup%2Bblog%2Cp_Ii9lbi9ibG9nIg%2Cs_4fYO7Z5N6yGsJ2jF.png"
  "og:image:height": "630"
  "og:image:type": image/png
  "og:image:width": "1200"
  "og:title": "Blog – guides on SaaS, sales, and POS – Sellora Group"
  "twitter:description": "Guides on POS systems, sales, the cloud and data security. The Sellora Group blog for hospitality, retail and service businesses, from one venue to a chain."
  "twitter:image": "https://sellora.group/_og/d/c_Sellora%2Ctitle_~QmxvZyDigJMgZ3VpZGVzIG9uIFNhYVMsIHNhbGVzLCBhbmQgUE9T%2Cdescription_~R3VpZGVzIG9uIFBPUyBzeXN0ZW1zLCBzYWxlcywgdGhlIGNsb3VkIGFuZCBkYXRhIHNlY3VyaXR5LiBUaGUgU2VsbG9yYSBHcm91cCBibG9nIGZvciBob3NwaXRhbGl0eSwgcmV0YWlsIGFuZCBzZXJ2aWNlIGJ1c2luZXNzZXMsIGZyb20gb25lIHZlbnVlIHRvIGEgY2hhaW4u%2Ceyebrow_Sellora%2BGroup%2Bblog%2Cp_Ii9lbi9ibG9nIg%2Cs_4fYO7Z5N6yGsJ2jF.png"
  "twitter:title": "Blog – guides on SaaS, sales, and POS – Sellora Group"
---

> Index of every page on this site: [llms.txt](https://sellora.group/llms.txt)

**Sellora Group blog**

# **Guides to sales, POS and SaaS apps.**

Practical know-how for owners of restaurants, shops and service businesses, plus news from Sellora Group.

## All posts

**Featured · Guides**Oct 28, 2026 · 4 min read

### [How to choose a POS system: a guide for hospitality, retail and services](https://sellora.group/en/blog/how-to-choose-a-pos-system)

What to look at when choosing a sales system: the fiscal printer, payments, reports, integrations and SaaS costs. Plus a list of questions for vendors.

**Read more **

- **Sales & POS**Oct 26, 2026 · 2 min read ### [5 signs your business needs SaaS software](https://sellora.group/en/blog/5-signs-your-business-needs-saas)

  Spreadsheets, manual reports, a technician for every update and the fear of a computer failure. Five situations where a cloud app saves time and stress.**Read more **
- **Technology**Oct 25, 2026 · 1 min read ### [Data security in SaaS apps: the basics](https://sellora.group/en/blog/data-security-in-saas-applications-the-basics)

  Encryption, backups, access control, monitoring and the GDPR. What they mean in practice and what to ask a cloud app vendor.**Read more **
- **Technology**Oct 24, 2026 · 2 min read ### [Cloud or an office server? How to compare the costs](https://sellora.group/en/blog/cloud-or-an-office-server-a-cost-comparison)

  An office server costs more than the hardware. Here is which costs to add and how to compare them with a SaaS subscription over three years.**Read more **
- **Company life**Oct 23, 2026 · 1 min read ### [How we build apps at Sellora Group](https://sellora.group/en/blog/how-we-build-apps-at-sellora-group)

  Every app has its own brand, runs in the browser and stands on the same foundations: 24/7 monitoring, backups and an API. These are the principles we follow.**Read more **
- **Guides**Oct 22, 2026 · 1 min read ### [Sales reports worth checking every week](https://sellora.group/en/blog/sales-reports-worth-checking-every-week)

  Six reports that show what is happening in your sales: revenue, average receipt, peak hours, best products, discounts and payment methods.**Read more **
- **News**Oct 21, 2026 · 1 min read ### [Sellora Group: who we are and what we are building](https://sellora.group/en/blog/sellora-group-who-we-are-and-what-we-are-building)

  Sellora Group sp. z o.o. was founded in Mława, Poland, on 21 October 2026. Meet the company and the two SaaS apps we are building: Sellora and Halokurs.**Read more **

## **Stay up to date.**

Once a month: news from Sellora Group and practical tips on sales and running a business.

By subscribing, you accept the Privacy Policy. We track newsletter opens and link clicks to improve it. You can unsubscribe at any time.

```json
{"@context":"https://schema.org","@graph":[{"@id":"https://sellora.group/#website","@type":"WebSite","description":"Sellora Group is a Polish technology company from Mława. We build SaaS apps for businesses: Sellora, a cloud POS system, and Halokurs, software for taxi companies.","inLanguage":"en-US","name":"Sellora Group","url":"https://sellora.group/","publisher":{"@id":"https://sellora.group/#identity"},"translationOfWork":{"@id":"https://sellora.group/#website"}},{"@id":"https://sellora.group/en/blog#webpage","dateModified":"2026-10-31T01:58:27.847Z","description":"Guides on POS systems, sales, the cloud and data security. The Sellora Group blog for hospitality, retail and service businesses, from one venue to a chain.","name":"Blog – guides on SaaS, sales, and POS","url":"https://sellora.group/en/blog","@type":["WebPage","CollectionPage"],"breadcrumb":{"@id":"https://sellora.group/en/blog#breadcrumb"},"isPartOf":{"@id":"https://sellora.group/en#website"},"potentialAction":[{"@type":"ReadAction","target":["https://sellora.group/en/blog"]}],"primaryImageOfPage":{"@id":"https://sellora.group/#logo"}},{"@id":"https://sellora.group/#identity","@type":"Organization","description":"Sellora Group is a Polish technology company from Mława. We build SaaS apps for businesses: Sellora, a cloud POS system, and Halokurs, software for taxi companies.","email":"kontakt@sellora.group","foundingDate":"2026-10-21","legalName":"Sellora Group sp. z o.o.","name":"Sellora Group","slogan":"Code that pays off.","taxID":"5691918110","url":"https://sellora.group","vatID":"PL5691918110","address":{"@type":"PostalAddress","streetAddress":"ul. Wójtostwo 59/22","postalCode":"06-500","addressLocality":"Mława","addressRegion":"mazowieckie","addressCountry":"PL"},"contactPoint":{"@type":"ContactPoint","contactType":"customer service","email":"kontakt@sellora.group","availableLanguage":["pl","en"]},"identifier":[{"@type":"PropertyValue","propertyID":"KRS","value":"0001274057"},{"@type":"PropertyValue","propertyID":"REGON","value":"546000454"},{"@type":"PropertyValue","propertyID":"NIP","value":"5691918110"}],"knowsAbout":["SaaS","business software","POS systems","cloud computing","API integrations"],"logo":{"@id":"https://sellora.group/#logo"},"sameAs":["https://www.linkedin.com/company/sellora-group"]},{"@id":"https://sellora.group/en/blog#breadcrumb","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","name":"Home","item":"https://sellora.group/en","position":1},{"@type":"ListItem","name":"Blog","position":2}]},{"@id":"https://sellora.group/en/blog#/schema/item-list/1","@type":"ItemList","itemListElement":[{"@type":"ListItem","position":1,"url":"https://sellora.group/en/blog/how-to-choose-a-pos-system","name":"How to choose a POS system: a guide for hospitality, retail and services"},{"@type":"ListItem","position":2,"url":"https://sellora.group/en/blog/5-signs-your-business-needs-saas","name":"5 signs your business needs SaaS software"},{"@type":"ListItem","position":3,"url":"https://sellora.group/en/blog/data-security-in-saas-applications-the-basics","name":"Data security in SaaS apps: the basics"},{"@type":"ListItem","position":4,"url":"https://sellora.group/en/blog/cloud-or-an-office-server-a-cost-comparison","name":"Cloud or an office server? How to compare the costs"},{"@type":"ListItem","position":5,"url":"https://sellora.group/en/blog/how-we-build-apps-at-sellora-group","name":"How we build apps at Sellora Group"},{"@type":"ListItem","position":6,"url":"https://sellora.group/en/blog/sales-reports-worth-checking-every-week","name":"Sales reports worth checking every week"},{"@type":"ListItem","position":7,"url":"https://sellora.group/en/blog/sellora-group-who-we-are-and-what-we-are-building","name":"Sellora Group: who we are and what we are building"}]},{"@id":"https://sellora.group/#logo","@type":"ImageObject","caption":"Sellora Group","contentUrl":"https://sellora.group/brand/sellora-group-logo.png","inLanguage":"en-US","url":"https://sellora.group/brand/sellora-group-logo.png"}]}
```

## Sitemap

See the full [sitemap](https://sellora.group/sitemap.md) for all pages.
