B2B platforms
A custom B2B platform instead of endless CRM customisation
We design and build portals, CRM, lightweight ERP and workflow systems for processes that do not fit an off-the-shelf product.
Stack and integrations
FastAPI PostgreSQL React TypeScript WebSocket Celery Redis
In short
- What we build
- A custom B2B platform: partner portals, workflows, roles, integrations with accounting and payments.
- Who for
- Mid-sized businesses where a ready-made CRM or ERP needs dozens of workarounds or misses a critical process.
- Stack
- FastAPI with PostgreSQL, React with TypeScript, Celery, Redis, WebSocket, HTTP and AMQP integrations.
- Timeline
- MVP in eight to twelve weeks, production in four to six months.
A good fit when
- → You have several roles: customer, partner, manager, administrator
- → The process runs on documents, statuses, payments and approvals
- → The ready-made CRM needs too many workarounds
- → You need integrations with accounting, telephony, payments, the warehouse or partner APIs
What you get
- → An architecture of roles, statuses and business processes
- → A web portal with an API, admin tooling, notifications and an action audit trail
- → Integrations with accounting, CRM, payments, email, SMS and messengers
- → Tests, migrations, documentation and an operational setup
Process
- 01 Discovery and a map of the processes
- 02 An MVP covering the main user scenario
- 03 Production release, team training and ongoing development
Why not an off-the-shelf product
Custom development earns its place where your processes matter.
Ready-made SaaS is good for standard scenarios. But once the business logic depends on specific roles, documents, integrations, security or data, the cost of the workarounds quickly exceeds the cost of a proper architecture.
We start with discovery, separating what genuinely has to be built from what is cheaper to cover with an existing service. That is why the project ends up smaller, clearer and easier to run.
Related cases
Similar problems from the portfolio.
FAQ
Common questions
Can we start with a single portal?
Yes. We usually start with the role that carries the most manual work and expand the platform from there.
Do you hand over the source code?
In custom development the code and the rights transfer by contract after full payment, unless agreed otherwise.
Can it integrate with our accounting system?
Yes. We exchange data over an HTTP API, files, queues or scheduled exports, depending on the version and its limitations.
What does a custom B2B platform cost?
A full build depends on the number of roles, integrations and workflow complexity. An MVP for the first role is a fraction of that, and we quote both after discovery.
How long does a B2B portal take?
An MVP with the key scenario takes eight to twelve weeks. A full production platform with three or four roles and integrations takes four to six months.
Is there an example?
A partner portal for a bankruptcy procedure: separate workspaces for the lawyer, the partner and the client, generated documents, real-time notifications. The write-up is on the case page.
How do we measure the effect?
Three groups of metrics: process cycle time (usually down 40–70%), the share of manual operations (down to 10–20%), and partner or customer satisfaction. Measured before and three months after launch.
Is there an off-the-shelf product instead?
For standard B2B processes, yes, and we will say so. We take the work when the product needs more than 30% customisation or cannot support critical business logic — complex roles, documents, industry requirements.
Next step
Let us go through your problem.
We will show you a possible architecture, the risks, the order of the budget and what an MVP could prove.
Discuss a project