01Custom Systems
Foundation Flow uses existing platforms and supported integrations where they solve the problem cleanly. Custom Systems begins when the remaining business capability genuinely requires purpose-built engineering.
Discuss a custom system →02Capability index
The work begins with an established workflow and a specific constraint. It does not begin with a preferred framework, an AI feature, or a desire to build software for its own sake.
Connect established systems through supported interfaces with explicit failure handling, observability, and ownership.
Build focused internal or customer-facing applications around a defined business capability rather than reproducing an entire software suite.
Replace fragile spreadsheet handoffs, duplicate entry, and manual routing where configuration alone no longer solves the process cleanly.
Coordinate hosted payment, ordering, and commerce workflows without collecting card data in unnecessary custom infrastructure.
Cross-platform applications or installable web experiences when the workflow genuinely benefits from a dedicated mobile interface.
03Before implementation
Nontrivial custom work begins with a written definition. The goal is to expose the business rules and failure paths before they turn into surprise scope during implementation.
A prior Foundation Flow definition can satisfy this step when it already identifies the systems, rules, acceptance criteria, and implementation boundary clearly enough to quote responsibly.
04Implementation
Custom Applications
From $7,500
Projects typically begin around the level shown above after the workflow is defined. A focused application or integration includes the agreed capability, named interfaces, deployment target, acceptance criteria, documentation, and ownership terms.
This is not an offer to build an arbitrary SaaS product or accept indefinite production responsibility inside the initial build price. Multi-workflow products, uncertain discovery, unsupported vendors, and ongoing operations require different scope and economics.
05Example boundary
A staff member receives a lead by email, copies it into Excel, enters it into a scheduler, and texts an estimator. Before code, the definition answers which leads route where, how duplicates are handled, what happens when required data is missing, and what must happen if the scheduling provider fails.
Those decisions become business rules and acceptance criteria. The implementation can then be an existing workflow platform, a custom integration, a focused application, or a combination of them. The technology follows the boundary rather than defining it.
06Engagement logic
Diagnose → Define → Engineer → Verify → Transfer
Diagnose the operating condition, define the narrowest useful capability, engineer against supported interfaces, verify normal and failure paths against written criteria, then transfer the project with clear ownership and operating terms.
If existing software can solve the problem responsibly, use it. Custom code earns its place only where it adds durable value.
Describe the workflow, the systems it touches, and the decisions people make by hand today. Beam & Bearing will identify whether configuration, integration, or custom software is the responsible next step.