Custom CRM development: Clients, jobs, quotes and invoices in one system.
A CRM built around how the business actually works – clients, jobs, quotes, invoices and payments in one system, with screens for the desk, the counter and the workshop floor.
One published case study
We reply within one working day
What that includesCRM
Clients, jobs, quotes, invoices
- Clients, jobs, quotes, invoices and payments in one system
- Screens for the desk, the counter and the workshop floor
- A phone app for work away from a desk, that keeps drafts if you are interrupted
- The whole history of existing records moved across, with totals checked
- Sign-in, roles and a record of who changed what
- Hosting, backups and support after launch
A CRM is only worth having if the people doing the work keep it up to date, so its screens have to fit where the work happens. At a desk that means quoting and invoicing in one place; in a workshop it means a job raised on a phone next to the car.
We build CRMs end to end: the data model, the interface, the mobile client if there is one, and the migration that brings the whole history of existing clients, jobs and invoices across without losing a line. The migration is written as code and verified by reconciliation, with row counts and money totals compared between old and new, and the import failing loudly if they disagree.
In one published study we rebuilt a motorsport workshop's hand-rolled PHP tool as a Next.js system with a native Android client: a job raised at the car, an invoice produced from it, a payment recorded against it, and invoice drafts that survive the phone being put down mid-job.
01Who it is for
A business that quotes, does the job and invoices – a workshop, a practice, a trade, a sales or service team – and whose clients, jobs and payments currently live in several places that disagree with each other.
If this is the wrong service for you, we will say so and point you to the right one.
02What you get
- Clients, jobs, quotes, invoices and payments in one place
- Screens for where the work happens: the desk, the counter and a phone at the job
- A mobile client whose drafts survive the phone being put down
- The whole history of existing records moved across, with counts and totals checked against the old system
- Hosting, backups and approved releases after launch
03What we need from you
An export of the current tool, or access to it; a handful of real quotes and invoices, so the new ones come out the way your clients expect; and time with the person who does the job before any screen is designed.
Is this what you need?
Describe the job in a few lines. If this service is the wrong fit, we will say so and point you to the right one.
Get a quoteWe reply within one working day
Proof
Where we have done it
One case study, written from the source code and anonymised.
How we work
How an engagement runs
Four steps, and we stay after the fourth: what we build, we host and support.
- 01
Discovery
We map how the business actually runs today, including the spreadsheets and the workarounds.
- 02
Build
We build the system in small, shippable pieces you can use before it is finished.
- 03
Integrate
We connect it to the couriers, payment providers and marketplaces you already depend on.
- 04
Host and support
We run it on infrastructure you own or on ours, as agreed, with backups, monitoring and someone to call.
Budget
What it costs
We do not publish fixed prices. When you write, choose a budget band: Under €10k, €10–30k, €30–100k, €100k+ or Not sure yet. Every range is welcome, and within one working day we reply with whether software is the answer and roughly what it would take.
- Under €10k
- €10–30k
- €30–100k
- €100k+
- Not sure yet
Questions
Questions aboutthis service
Something else you want to know? Ask it in your enquiry, or write to us directly.
inquiries@kdvassiliougroup.com01Can you move our existing records across?
Yes. We migrate off legacy systems with reconciliation: in one study the migration refuses to complete if the numbers disagree.
Read that study02What happens after launch?
We stay. What we build, we host and support: backups, health checks and uptime monitoring, with staging and approved production releases.
Infrastructure and hostingRelated
See it elsewhere on the site
The software house
Other services
- SYSTEMS
Custom software and platforms
CRMs, portals, Android clients
- COMMERCE
E-commerce and point of sale
Stores and tills, one catalogue
- INTEGRATION
Integrations and automation
Couriers, payments, suppliers
- INTELLIGENCE
AI engineering
Models scoped to one job
- HOSTING
Infrastructure and hosting
European servers, fixed cost
- DISCOVERY
Digital marketing and SEO
Technical SEO, multilingual
Start a project
Bring us the problem, not the spec.
We will tell you whether software is the answer, and roughly what it would take.
Tell us what is slow or broken, when you need it, and your budget range.
- Under €10k
- €10–30k
- €30–100k
- €100k+
- Not sure yet
We reply within one working day
