Product-Led Growth Agency — Ireland · UK · GCC

We Build Software.

We Make It Grow.

Brantum Software Growth

Brantum is the product-led growth agency for ambitious B2B SaaS companies. We combine custom software development, performance marketing, AI-powered SEO, and Generative Engine Optimisation (GEO) — under one accountable team. Trusted by 50+ startups and scale-ups across Ireland, the UK, and the GCC.

50+
Products & Brands Scaled
1M+
Active Users Acquired
94%
Client Retention Rate
25+
Specialist Team Members
CUSTOM SOFTWARE
PERFORMANCE MARKETING
AI-POWERED SEO
PRODUCT DESIGN
DATA ENGINEERING
REVENUE OPERATIONS
CUSTOM SOFTWARE
PERFORMANCE MARKETING
AI-POWERED SEO
PRODUCT DESIGN
DATA ENGINEERING
REVENUE OPERATIONS
CUSTOM SOFTWARE
PERFORMANCE MARKETING
AI-POWERED SEO
PRODUCT DESIGN
DATA ENGINEERING
REVENUE OPERATIONS
CUSTOM SOFTWARE
PERFORMANCE MARKETING
AI-POWERED SEO
PRODUCT DESIGN
DATA ENGINEERING
REVENUE OPERATIONS
CUSTOM SOFTWARE
PERFORMANCE MARKETING
AI-POWERED SEO
PRODUCT DESIGN
DATA ENGINEERING
REVENUE OPERATIONS
CUSTOM SOFTWARE
PERFORMANCE MARKETING
AI-POWERED SEO
PRODUCT DESIGN
DATA ENGINEERING
REVENUE OPERATIONS
CUSTOM SOFTWARE
PERFORMANCE MARKETING
AI-POWERED SEO
PRODUCT DESIGN
DATA ENGINEERING
REVENUE OPERATIONS
CUSTOM SOFTWARE
PERFORMANCE MARKETING
AI-POWERED SEO
PRODUCT DESIGN
DATA ENGINEERING
REVENUE OPERATIONS
What We Do

The Only Agency That Builds Your Software AND Makes It Grow

We Build the Product

Custom software, SaaS platforms, AI integration, CRM systems. Senior engineers with product thinking — not code monkeys. Full code ownership. No lock-in.

Performance marketing, PLG loops, AI-powered SEO, and GEO — the growth engine that compounds after the product ships.

Engineering to Growth Bridge
EngineeringGrowth
8 weeks
MVP to production
Zero
Vendor lock-in
1 team
Dev + Marketing
100%
Code Ownership
Core Capabilities

How We Drive Growth

Custom Software Development

Custom Software Development

01

Custom Software Development

Bespoke web applications, SaaS platforms, and cloud-native systems built with React, Node.js, Python, and AWS.

ReactNode.jsAWS
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SaaS Product Development

SaaS Product Development

02

SaaS Product Development

End-to-end B2B SaaS product development from MVP to market leader with PLG mechanics baked into every sprint.

PLG-FirstAgile Sprints
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AI Integration & Development

AI Integration & Development

03

AI Integration & Development

LLM integration, agentic AI workflow development, RAG architecture, and AI copilot engineering for B2B SaaS platforms.

OpenAIAgentic AI
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Custom CRM Development

Custom CRM Development

04

Custom CRM Development

Bespoke CRM systems that fit your business. The true HubSpot and Salesforce alternative for growing SaaS companies.

HubSpot AltPropTech
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Performance Marketing

Performance Marketing

05

Performance Marketing

Data-driven paid media across Google, Meta, LinkedIn. CRO, A/B testing, and programmatic advertising.

Google AdsCRO
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Product-Led Growth

Product-Led Growth

06

Product-Led Growth

PLG mechanics engineered directly into your product: viral loops, onboarding funnels, usage-based triggers.

Viral LoopsActivation
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AI-Powered SEO & GEO

AI-Powered SEO & GEO

07

AI-Powered SEO & GEO

Traditional SEO meets Generative Engine Optimisation. We ensure your brand is cited by Google, ChatGPT, and Perplexity.

GEOTechnical SEO
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Cloud Migration

Cloud Migration

08

Cloud Migration

Monolith to microservices migration. Legacy software modernisation. AWS cloud migration with zero-downtime.

MicroservicesAWS
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How We Work

One Roadmap. Product + Growth. Built Together.

Discovery

Market audit, competitor analysis, ICP definition, technical architecture review. We map your growth opportunities before writing a line of code or spending a pound on ads.

Strategy

A unified roadmap where your product sprints and your go-to-market plan are written simultaneously. Engineering and marketing from the same page, from day one.

Execute

Agile software sprints with marketing instrumentation baked in from sprint one. Every feature ships with analytics, attribution, and conversion tracking built in.

Optimise

A/B testing, CRO, performance marketing iteration, and product analytics — informed by real product data that only one team can have when they built the product too.

Scale

PLG growth loops, referral engines, paid media, organic search, and AI search (GEO) — the compounding flywheel that makes your CAC drop every month.

Case Studies

Results That Speak for Themselves

Start Your Project
From 0 to 1M+ Active Users in 18 Months — Full-Stack PLG

From 0 to 1M+ Active Users in 18 Months — Full-Stack PLG

B2B SaaS · PLG · SEO

From 0 to 1M+ Active Users in 18 Months — Full-Stack PLG

Full-stack PLG execution: custom SaaS platform built, content-led SEO strategy deployed, product-led growth activated — one team, one roadmap.

340% organic growth 1M+ Users 18 months
View Case Study
PropTech CRM Modernisation: 4.2x Conversion Rate, 68% Faster Lead Velocity

PropTech CRM Modernisation: 4.2x Conversion Rate, 68% Faster Lead Velocity

PropTech · Custom CRM · Lead Gen

PropTech CRM Modernisation: 4.2x Conversion Rate, 68% Faster Lead Velocity

Custom CRM development combined with a precision lead generation campaign — built by the same team who understood the product from the inside.

4.2x Conversion 68% Velocity increase Custom CRM built
View Case Study
Mobile App: 0 to 50,000 Users in 90 Days via Viral Loops

Mobile App: 0 to 50,000 Users in 90 Days via Viral Loops

Mobile · Growth Hacking · App Marketing

Mobile App: 0 to 50,000 Users in 90 Days via Viral Loops

PLG viral loops built directly into the mobile app architecture while targeted user acquisition campaigns ran simultaneously.

50K users 90 days Viral growth
View Case Study
FinTech Platform: Monolith-to-Microservices, Zero Downtime

FinTech Platform: Monolith-to-Microservices, Zero Downtime

FinTech · Cloud · DevOps

FinTech Platform: Monolith-to-Microservices, Zero Downtime

Complete cloud modernisation of a FinTech platform — from monolith to microservices, deployed on AWS ECS, with CI/CD and full SOC 2 compliance.

Zero downtime SOC 2 ready 60% faster deploys
View Case Study
INDUSTRIES WE SERVE

Specialist Expertise Across
Every Software Vertical

Client Stories

What Sets Brantum Apart — And Why Clients Stay

THE SKILLS BEHIND THE WORK

React
Next.js
TypeScript
Node.js
Python
FastAPI
Django
GraphQL
REST API
AWS
Google Cloud
PostgreSQL
MongoDB
Redis
Docker
Kubernetes
OpenAI
Anthropic
Stripe
HubSpot
Segment
Mixpanel
Pinecone
Figma
PROJECT

CREATIVE PROJECTS
THAT TELL A STORY

Scalable marketing and engineering solutions tailored to fit your goals, your budget, and your massive growth stage.

GLOBAL REACH

SERVING CLIENTS
WORLDWIDE

From New York to Sydney, our distributed team works across time zones. Your location is not a barrier to world-class software and marketing.

New YorkUSA
DublinIreland
LondonUK
RiyadhSaudi Arabia
DohaQatar
DubaiUAE
MuscatOman
SydneyAustralia
Brantum CTA
Start Your Project

Ready to Build Software That Actually Grows?

Tell us about your project. We'll come back with a clear proposal within 48 hours — no generic decks, no sales calls that go nowhere.

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Free 30-min strategy call
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