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Custom AI Agent System

Multi-step agents that plan, use tools, remember context, and act with approval built in.

Some work doesn't fit a single request-and-response step — it takes a sequence of decisions, tool calls and system actions, informed by what's already happened earlier in the task. We design and deploy agents for exactly that: systems that plan a multi-step approach, call the tools and systems they need, carry memory or state across the steps, and stop for approval at the points you define.

The workflow

A single AI call can answer a question or classify a document, but it can't independently plan and carry out a task that spans several steps, tools and decisions — research something, check it against three systems, draft an output, and route it for approval, remembering context the whole way through. That kind of work still gets stitched together by hand, one step at a time, by a person.

How a multi-step agent plans, acts and stays inside approval boundaries

Where it fits

Illustrative applications across common business functions — not a list of confirmed client deployments.

Multi-step research and drafting agentsCross-system procurement or vendor-approval agentsIT or operations troubleshooting agentsMulti-step approval and compliance agentsData-gathering and reconciliation agents across systemsCustomer-facing agents that complete a full task, not just answer
From manual to measurable.

Before

  • A person manually stitches together several tools and systems per task
  • Context has to be re-explained at every step
  • No consistent record of what was checked or why
  • Multi-step work bottlenecks on individual availability
  • Errors compound across steps done by hand
→

After

  • The agent plans and executes the full multi-step task itself
  • Memory/state carries context accurately across steps
  • Every step, tool call and decision is traced
  • Approval gates sit exactly where you define them
  • The same task runs consistently, at any volume

How we deliver it

01

Design

We map the task into explicit steps, decision points, required tools and where approval must sit.

02

Build

We build the agent as a structured, inspectable graph — tool access, memory/state and reasoning steps defined explicitly, not left to a single prompt.

03

Guardrail

We configure approval gates, policy constraints and scope limits so the agent operates strictly inside the boundaries you set.

04

Evaluate & Deploy

We test the agent against real and edge-case scenarios, then deploy it with full tracing in place.

05

Operate & Improve

We monitor how the agent performs in production and refine its tools, memory and reasoning as real usage reveals gaps.

Technology choices

The specific tools and frameworks we use to build and run this — selected per project, not fixed to one vendor.

Agent frameworks

LangGraphLangChainCustom orchestration

Tools & function calling

Internal and external APIsRetrieval / searchSystem actions via connector

Memory & state

Vector storesSession and task stateStructured long-term memory

Observability & evaluation

LangSmithRun tracingScenario-based evaluation

What changes for your team?

Complex, multi-step work handled end to end
Explicit, inspectable reasoning — not a black-box prompt
Tool access and scope strictly bounded by your policies
Approval built in at the points that matter
Full trace of every step for audit and debugging
Consistent execution regardless of volume

These are value dimensions we design for, not guaranteed figures. Any metric shown elsewhere is illustrative unless labelled as based on client or project data.

The agent plans and acts, but only ever inside the tools, scope and approval boundaries your team defines — every step traceable, nothing improvised outside that boundary.

Works with your systems

Internal & external APIsSalesforceMicrosoft 365JiraServiceNowCustom tools and systems

Configured for your business

We configure this solution around the way your organisation already operates.

Tool access and scopeApproval checkpointsMemory/state designEscalation logicReporting

Technology that fits your environment.

We combine modern AI frameworks such as LangChain, LangGraph, LlamaIndex, PydanticAI and agent frameworks with FastAPI, vector databases, guardrails and evaluation tooling, alongside enterprise platforms including Appian, Camunda, Power Apps, Power Automate, n8n and Zapier to build production-ready AI solutions.

AI frameworks & agents
LangChain, LangGraph, LlamaIndex, PydanticAI, Agent frameworks
Engineering & AI infrastructure
FastAPI, Vector databases, Evaluation tooling, Python, Open models
Governance & guardrails
AI governance, Guardrails, Evaluation, Monitoring, Human review
Enterprise platforms
Appian, Camunda, Power Apps, Power Automate
Automation platforms
n8n, Zapier

Talk through your process.

We'll come prepared with ideas for where we can help.

Talk through a multi-step process for an agent