Software engineering and architecture consultancy

We design software systems built to last.

Primarch helps organisations design, modernise and build dependable software. We work across architecture, backend systems, applications, integrations and technical strategy — turning complex requirements into clear, maintainable systems.

Malachite — in development
APPLICATIONS SERVICES & APIS DATA & INTEGRATIONS Web application Operator workflows Mobile client Field and on-site use Admin console Configuration and audit API gateway contract-first Domain service business rules Documents storage and search Events async processing Relational store system of record Message queue durable delivery External systems partners and devices Clear boundaries. Explicit contracts. Systems that stay understandable.

What we do

Engineering from architecture to delivery.

We support projects at every stage, from early technical direction and system design to implementation, integration and long-term improvement.

Software architecture

Designing clear system boundaries, technical foundations and integration strategies that support both current requirements and future growth.

Application engineering

Building maintainable web, mobile and backend applications with careful attention to performance, usability and operational reliability.

System modernisation

Improving legacy applications, reducing technical debt and creating practical migration paths without unnecessary disruption.

API and integration design

Connecting internal systems, external platforms and devices through dependable interfaces and well-defined contracts.

Technical consulting

Providing independent technical direction, architecture reviews and practical guidance for difficult engineering decisions.

Product engineering

Helping shape focused software products from early requirements through architecture, implementation and refinement.

Approach

A deliberate approach to complex systems.

01

Understand the real system

We begin with the people, workflows, constraints and decisions that already exist around the software.

02

Design before complexity grows

Clear architecture, responsibilities and interfaces reduce risk before implementation becomes expensive.

03

Build maintainable foundations

We favour understandable code, explicit boundaries and technologies suited to the actual problem.

04

Communicate decisions clearly

Architecture should make sense to the people who must build, operate and evolve the system.

Products in development

Focused products built around problems we understand deeply.

Alongside our consultancy work, Primarch develops focused software products around specialised real-world workflows. Malachite is currently in active development.

Malachite In development

An insurance broker filing and document-management system designed around the structure and context of real broker workflows — the client, the policy, the insurer, the document type and the action still required.

A screenshot of the Malachite document sorting workspace, showing unsorted documents on the left and filing bins on the right.

Planning a new system or rethinking an existing one?

Primarch can help clarify the architecture, identify technical risks and turn the requirements into a practical engineering plan.