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An LLM Reasoning Layer for Enterprise Software That Already Works

In short: Northell adds an LLM reasoning layer to existing enterprise software — decision support and automation without a rip-and-replace rebuild.

Key takeaways

We add an LLM reasoning layer to your existing enterprise software — decision support and automation without a rip-and-replace rebuild.

Frequently asked questions

Do we need to rebuild our existing software to add an LLM reasoning layer?

No — the layer is designed to sit alongside your existing system, reading from and writing to it through APIs or events, rather than requiring a rearchitecture.

What does 'reasoning layer' mean concretely?

A service that takes your existing data and business logic as input, applies multi-step LLM reasoning to a specific decision or task, and returns a result your existing software consumes.

How do you decide which workflow to add reasoning to first?

We look for workflows with clear inputs, a well-defined but currently manual or rules-limited decision, and enough volume to justify the investment.

Can this be rolled out incrementally, one workflow at a time?

Yes — that's the recommended approach. Start with one high-value workflow, prove it out, then extend to others rather than committing to a full-platform build upfront.

What legacy systems have you integrated this kind of layer with?

Legacy enterprise systems including on-prem databases, older internal APIs, and monolithic applications — integration approach depends on what interfaces your existing system already exposes.