Calendar
Book and manage appointments, shared across every tool the business switches on.
- One shared calendar for the team
- No separate booking app
- Appointments beside client records
One app to run your whole business
Calendar, sales pipeline, client portal and invoicing in one login, with only the tools your business uses switched on.
Designed, built and run by Gradax. Building software since 2014.
CalendarBook and manage appointments, shared across every tool the business switches on.
Sales pipelineFollow a lead from first contact through proposal, signed contract and billing.
Client portalClients get their own login to see invoices, schedules and files under your brand.
InvoicingSend invoices and track payments as part of the day, with no separate tool.
Markline is one app for small service businesses: calendar, sales pipeline, client portal and invoicing, with only the tools you need switched on.
Made for
- Salons and clinics
- Repair shops
- Agencies and consultancies
The same work, without Markline and with it
A small business often pays for one app to take bookings, another to hold client details and a third to send invoices, each with its own login and its own copy of the customer.
Without MarklineWith Markline
One app for bookings, another for clientsBookings and clients in the same app
A third app just to send invoicesInvoices sent from the same place
A different login for every toolOne login for the whole team
The same customer typed in three timesOne record per customer, used everywhere
The apps inside Markline
Each part of the business gets its own app, and they all share one record.
Sales pipeline
Follow a lead from first contact through proposal, signed contract and billing.
- Nothing forgotten before the contract
- Every deal's stage at a glance
- Proposal and billing in one flow
Client portal
Clients get their own login to see invoices, schedules and files under your brand.
- Clients see your logo, not ours
- Fewer calls asking for an update
- Your own domain on the portal
Invoicing
Send invoices and track payments as part of the day, with no separate tool.
- Invoices sent from the same login
- Payment status at a glance
- No copying totals into another app
What Markline does
The capabilities that run across every app inside it.
Your brand in front
Point your own domain at the portal and show your logo and colours instead of ours.
Tools you choose
Start from a set of tools made for your kind of business, then add more as you grow.
One login
The whole team uses a single account across every tool.
Encrypted client portal
Client files, invoices and schedules sit behind an encrypted portal, not in email threads.
Works on phones
Built to work well on phones and tablets, not only on a desktop.
File storage
Contracts, invoices and client files stored alongside the records they belong to.
One system, everyone in the business
What each person gets from Markline, in their own day.
Business ownerRuns bookings, the sales pipeline, client records and invoices from one login instead of three or four apps.
Front deskBooks an appointment and sees the client's history and open invoices on the same screen.
Their clientsLog into a branded portal to see appointments, invoices and files without calling the office.
Gradax designed, built and runs Markline.
Want a system like Markline, shaped around your own business? That is a project we take on, from the first screen to the servers it runs on.
- Building software since 2014
- 6 products built, 6 in development
- Hosted on our own cloud, operated in Europe
- Maintained by the engineers who built it
Built with
- TypeScript
- Next.js
- React
- Better Auth
- MinIO
- Tailwind CSS
Also from the same team:Business WebsiteSystem IntegrationSoftware DevelopmentSoftware MaintenanceSoftware for professional servicesSoftware for cleaning servicesSoftware for beauty salons & barbersSoftware for marketing agenciesSoftware for painting & decoratingSoftware for pet services & grooming
Other software we build
Each one designed, built and run by the same team.
Questions
About Markline, and about building software like it with us.
Still have a question?
Ask the team that built Markline. The person on the first call stays on the project.
Start your projectWhat does Markline do?
It puts calendar bookings, a sales pipeline, a client portal and invoicing in one login, so a business runs its day from one app instead of several.
Which businesses is it for?
Service businesses such as salons and clinics, auto repair shops, agencies and consultancies, with more kinds of business added over time.
Who owns the software and the data?
On a project we build for you, the code, the domains and the accounts are yours. There is no lock-in, and leaving is a handover.
How is a project like this priced?
Custom work is priced on its scope. It starts with a free assessment, where a senior engineer looks at how your business works and what is worth building first.
Can you build for my industry?
Our own products already cover dental clinics, IT teams, online sellers, orthodox parishes, auto repair shops, small service businesses and more. Every build starts from how your business runs, not from a template.
What happens after launch?
We keep it running: hosting on Gradax Cloud, patching, backups, monitoring and support, by the team that built it.
Talk to the people who built Markline.
The person on the first call stays on the project afterwards. We design, build and run software shaped around how a business already works.
- 01Tell us what your business needs
- 02We design and build it with you
- 03We host it and keep it running