At a glance
- Custom back-office software that brings scheduling, quotes, invoicing and customer contact together in one environment, with automations and AI integration.
- WhatsApp integration and multilingual support, so customer communication runs smoothly on the channel customers already use.
- Complete, managed IT: Microsoft 365 with premium licences and conditional access, endpoint security, mobile device security and VoIP.
- One dedicated IT partner for software, security, workstations and the website, instead of a patchwork of suppliers.
De Leeuw Tegelzetter is a tiling and plastering company based in Rotterdam. Laying tiles and plastering walls is skilled craftsmanship, and that craft depends on things running smoothly behind the scenes: a schedule that adds up, quotes and invoices that go out on time, and customer communication that doesn't get lost in scattered WhatsApp messages and emails. The more projects on the go, the greater the need for a back office that grows with the business rather than holding it back. A business owner who is hands-on in the work shouldn't also have to keep track in their head of who agreed what, and when. TRON Group is the IT partner that takes care of that whole picture for De Leeuw Tegelzetter. Not just a piece of software or the odd laptop, but the entire foundation the business runs on: custom back-office software with workflows, automations, AI integration and WhatsApp integration, combined with managed and secured workstations, Microsoft 365, cyber security, VoIP and a website. In this case study you'll read how we approached it, the choices we made along the way and where De Leeuw Tegelzetter stands today. No marketing promises, just an honest account of what IT that works, grows and protects means in practice for a construction business. As far as we're concerned, that always starts with understanding how the work on site really runs, and only then with the technology.
Starting point
The challenge
Sooner or later, a growing tiling and plastering business hits the same wall: the craft is well organised, but the admin and scheduling are spread across separate tools. Appointments in one tool, quotes in a document, invoices in yet another package, and customer communication that mostly comes in by phone and WhatsApp. That works up to a point, but it costs time, creates duplicate data entry, lets small mistakes creep in, and nobody has one place where everything comes together. A missed call-back note or a quote stuck somewhere is felt straight away in the schedule. On top of that was the question of whether the IT was actually secure. Were all devices properly protected? Who could access email and files, and under what conditions? What happens if a phone or laptop is lost or stolen on site? For De Leeuw Tegelzetter, those two issues came together: on the one hand the wish to make the back office genuinely efficient and clear, on the other the need for a professionally managed and secured IT environment. Customer communication also sometimes happens in several languages, which is hard to keep consistent across separate channels. The heart of the challenge: moving from fragmented tools and uncertain security to one coherent, secure and scalable whole, without the craftsmanship on site suffering for it.
How we tackled it
Our approach
Listening to how the work really happens
We started by understanding how De Leeuw Tegelzetter really works: how an enquiry comes in, how a project moves from quote to schedule to completion and invoice, and what communication happens in between. Only once that day-to-day practice is clear do you know which software to build and which steps you can automate. We don't build software for its own sake, but to make the work lighter. That saves a lot of corrections later and makes the system feel as if it was made for this business, because it was.
Designing and building a custom back office
Our Software Engineering team developed fully custom back-office software. It brings scheduling, quotes, invoicing and customer management together in one environment that fits the way a tiling business works. We set up workflows that link the steps logically, automations that take away manual and repetitive work, and AI integration that makes the system smarter in daily use. Multilingual support and a WhatsApp integration mean customer communication happens on the channel and in the language the customer prefers, without fragmenting across separate apps and notes.
Getting workstations and Microsoft 365 in shape
We supplied and set up the online workplace and the hardware, so everyone can work securely from anywhere in the same up-to-date environment. We manage Microsoft 365 for De Leeuw Tegelzetter with premium licences and conditional access, so only trusted users and devices can reach email, calendars and files under the right conditions. That makes collaboration easy while keeping access tightly controlled, including when people work on the road or from home.
Security that fits working on location
A construction company doesn't work from a fixed desk, so its security has to match. We set up endpoint management and endpoint security for laptops and computers, and mobile device security for the phones and tablets that go out on site. We also provide security awareness training, because most incidents start with a wrong click. By combining technology with awareness, we reduce the risk of problems on both fronts and the team knows what to look out for.
Easy to reach, easy to find
Being easy to reach matters for a business that lives on customer contact. That's why we provide VoIP telephony, so calling is flexible and professional, both at the office and on location. And because first impressions are often formed online, we developed the website and handle its management. Software, communication and online visibility now reinforce each other instead of existing in isolation.
The big picture
The solution
The result is one coherent IT environment where nothing is left floating. The custom back-office software is at its heart: scheduling, quotes, invoicing and customer management run in the same environment, workflows guide the work logically from step to step and automations take over the repetitive tasks. AI integration makes the system smarter in daily use, and the WhatsApp integration and multilingual support keep customer communication clear and accessible. Around that sits a complete, managed IT foundation. The workstations and hardware have been supplied and set up, Microsoft 365 is managed with premium licences and conditional access, and security is handled in several layers: endpoint management and endpoint security, mobile device security and security awareness training. VoIP keeps the business professionally reachable, and the website has been developed and is managed by us. In practice, this means De Leeuw Tegelzetter deals with one partner for everything IT-related. No separate suppliers pointing at each other, but TRON Group as a single point of contact that keeps track of the big picture and helps the business grow and stay protected. When a new requirement comes up, we simply build it into the same system.
What it delivers
The results
- Tailor-made back-office software
- Custom
- Endpoints, mobile and Microsoft 365
- Secured
- One partner for all IT
- Centralised
De Leeuw Tegelzetter now works with a back office built around its own trade rather than a collection of separate tools that don't talk to each other. Scheduling, quotes, invoicing and customer contact come together in one place, and because workflows and automations take over the repetitive work, there's more time left for the actual craft. The WhatsApp integration and multilingual support make customer communication easy and consistent, on the channel customers already use. On the security side, the environment is noticeably more mature: Microsoft 365 is managed with premium licences and conditional access, endpoints and mobile devices are secured, and security awareness training has left the team better prepared for phishing and other risks. With VoIP, the business is professionally reachable, and the website is kept up to date and well managed. Perhaps the most important result is peace of mind: there's one dedicated IT partner keeping track of the big picture. Whether it's a new feature in the software, a question about a device or about security, De Leeuw Tegelzetter has one number to call. That way the IT keeps growing with the business instead of holding it back.
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