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Service

Custom software

We design software for processes that off-the-shelf tools do not solve well: platforms, portals, SaaS products, workflow automation, APIs and system integration.

Discuss your project

Our approach

A technical foundation designed around the business and future evolution.

We start with the problem, integrations and real constraints. Technology follows, chosen to reduce risk and keep the product maintainable.

Problems we help solve

Custom software makes sense when the real process does not fit an off-the-shelf tool.

  1. 01

    Operations dependent on spreadsheets, manual tasks or disconnected systems.

  2. 02

    Specific business rules that generic SaaS products do not represent well.

  3. 03

    Legacy software blocking integration, performance or product evolution.

  4. 04

    A need for a platform, portal or internal tool with multiple roles and workflows.

What we can build

Systems, platforms and automation designed around the real processes of your business.

Typical scope

  1. 01

    Process and requirement mapping

  2. 02

    Custom platforms and portals

  3. 03

    SaaS and internal tools

  4. 04

    Operational workflow automation

  5. 05

    APIs and system integration

  6. 06

    Modernisation of existing software

Core capabilities

  • SaaS
  • Portals
  • APIs
  • Automation
  • Integrations
  • Internal tools

Related capabilities

  • SaaS
  • Portals
  • CRM
  • Workflows
  • APIs
  • Automation
  • Integrations
  • Modernisation

Selected work

Real experience applied to digital products.

Our portfolio brings together projects delivered by the team that now works through SL System, including work completed before the Brazilian brand was created.

Business software

GCRS

A platform for a UK regulatory compliance, toxicology and quality-assurance business.

  • Node.js
  • MySQL
  • React

Ecommerce & delivery

PharmDel

A pharmacy-delivery application designed to support ordering, operations and delivery tracking.

  • Laravel
  • Node.js
  • MySQL
View work

FAQ

Custom software FAQs

How do you define scope before development?

We start with processes, users, integrations, constraints and success criteria. Architecture and backlog follow that understanding.

Can you modernise an existing system?

Yes. We first assess dependencies and risk to choose between incremental evolution, module extraction, replatforming or a controlled rebuild.

Can the software integrate existing systems?

Yes. APIs, databases, internal services and third-party platforms can be part of the architecture, with explicit validation and failure handling.

Shall we discuss your project?

Tell us about the current situation and the outcome you need. From there, we can identify the clearest next step.

Talk to us