Software development & design studio

Bespoke software, built with brains.

Cerebrum Software designs and builds digital products that earn their keep — bespoke business software, SaaS platforms, AI applications, websites and e-commerce on .NET and Azure, with the design, copy and marketing handled under the same roof.

Start a project Explore our expertise

20+

Years building software

Concept → production

Full lifecycle delivery

Code + design

Two partners, one roof

Our own SaaS

reppy.ai, in production

What we build

Systems businesses run on.

SaaS Platforms

Multi-tenant products taken from concept to paying customers — billing, onboarding, operations and all.

SaaS development

AI Applications

Assistants, RAG pipelines and automation that ship to production and earn their keep.

AI expertise

CRM & Workflow Systems

Lead management, fair allocation, escalation and automation shaped around your process.

Bespoke software

E-commerce & Marketplaces

Storefronts, marketplaces and multi-channel inventory — including luxury retail at the hard end.

E-commerce expertise

Integrations & APIs

Payments, marketing, logistics and compliance platforms, connected and kept connected.

Integration expertise

Websites & Brand

Design, copy, build and brand from the same hands — sites that look right and convert.

Web design expertise

Technical expertise

Deep where it counts.

The short version: we know the Microsoft stack inside out, we run production cloud systems, we ship practical AI — and the design, content and marketing live in-house rather than at another supplier. The detail is on the dedicated pages below.

.NET Development & Architecture

C#, ASP.NET Core, MVC and WPF — twenty years of designing and shipping production systems on the Microsoft stack.

Web Design & Front-End Development

Responsive, conversion-focused web design from a designer who writes production code — HTML, CSS, JavaScript, Bootstrap and Razor.

SQL Server & Data Engineering

Schema design, complex T-SQL, performance tuning and data migration on SQL Server and Azure SQL — one of our deepest specialisms.

Azure Cloud & DevOps

App Service, Azure SQL, Key Vault, Service Bus and Blob Storage — operated in production, monitored, secured and cost-optimised.

AI & Intelligent Applications

LLM integrations, RAG pipelines, AI assistants and workflow automation — shipped into production, including our own SaaS product.

APIs & Integrations

Designing, consuming and maintaining third-party integrations — payments, marketing, communications, logistics, compliance and more.

E-commerce & Online Retail

Custom platforms, Shopify and WooCommerce, marketplace integrations and multi-channel inventory — with rare depth in luxury retail.

Content & Copywriting

Content strategy and copywriting for websites, products, email and social — so what we build says the right thing as well as working properly.

Brand & Creative Design

Logo and brand identity, marketing collateral, social and advertising creative — produced consistently across every channel you use.

Marketing & Growth

Paid social and PPC campaign management on top of properly engineered tracking, attribution and SEO — the full growth stack, run hands-on.

Industry & Domain Expertise

Career-built knowledge of UK company formations and AML compliance, luxury retail, healthcare and wellness marketing, and CRM-driven sales operations.

WordPress, Elementor & WooCommerce

WordPress and Elementor builds, WooCommerce and Shopify stores, rescues, migrations and managed hosting — from a team that also builds bespoke software.

Our product · reppy.ai

We don't just build SaaS for clients. We run our own.

reppy.ai is our AI sales assistant — it engages new leads in seconds, qualifies them in natural conversation across email, chat and messaging apps, and books meetings straight into the calendar. Built, shipped and operated by Cerebrum Software.

Visit reppy.ai

Sub-10-second first response, 24/7

Qualifies leads and books meetings automatically

CRM integrations: Salesforce, HubSpot, Pipedrive

Autopilot or human-in-the-loop Co-Pilot modes

How we work

From first conversation to running system.

Discover

We dig into how your business actually works — requirements analysis from people who have run commercial operations, not just sprints.

Architect

Data model, system boundaries, integration points and failure modes designed before code is written — so the build doesn't wobble later.

Build

Iterative delivery on .NET and Azure, with working software you can see early and often, and honest conversations when trade-offs appear.

Run

Deployment, monitoring, support and cost optimisation. We operate what we build — production day two matters as much as launch day.

Have a project in mind?

Tell us what you're trying to build — or untangle — and we'll tell you, plainly, how we'd approach it. No obligation, no hard sell.

Start the conversation