01
Custom Software Development
Software designed around your unique requirements, processes, challenges and growth goals.
NewQRZeo is live
Build your dream.Launch it to the world.
Have a dream product in mind? Zeoat helps startups, growing businesses and global organizations build it and launch it to the world — SaaS products, mobile apps, web platforms and custom software, from the team that builds and runs its own products.
2 of 5 products liveBuilt and operated in-houseColombo → worldwide
01Custom SoftwareBuilt around your process02Web ApplicationsFast · accessible · SEO-ready03Mobile ApplicationsiOS + Android, one codebase04SaaS DevelopmentMVP → multi-tenant scale05Business AutomationHours back, every week06AI DevelopmentAgents with guardrails07API IntegrationPayments · webhooks · APIs08Product ModernizationRefactor, don’t rewrite
The Zeoat ecosystem
View all products →Five focused products. One way of working.
01/ 05Scroll to explore
Invoicing & documentsLive
InvoiceZeo
Create professional invoices, quotations, receipts and estimates without the complexity — templates, branding and PDF export built in.
- Drag-and-drop builder
- Tax, discount & currency support
- Reusable branded templates
InvoiceZeoInvoice · USDInvoice
#INV-0042
Bill to Northwind Studio
Design retainer1,200.00
Hosting & infrastructure180.00
Support hours240.00
Total due$1,620.00
✓invoice-0042.pdf exported · sent to Northwind
- SaaS products designed, built and operated in-house
- 5
- Software service disciplines, from strategy to support
- 8
- Stage delivery process, from idea to continuous improvement
- 7
- Code and IP ownership handed to every client
- 100%
How we deliver · idea to improvement
01 / 07
Discover
Understand the business, users, challenges, goals and technical requirements.
Plan
Define scope, architecture, milestones, features and the delivery roadmap.
Design
Create user journeys, wireframes, design systems and responsive interfaces.
Build
Develop the frontend, backend, database, integrations and APIs.
Test
Validate functionality, usability, security, performance and compatibility.
Launch
Prepare for production, configure infrastructure and release to users.
Improve
Monitor performance, collect feedback, ship updates and support growth.
01 Discover02 Plan03 Design04 Build05 Test06 Launch07 Improve
Services · 8 disciplines, one team
All services →Technology solutions built around your goals.
02
Web Application Development
Web platforms that load fast, rank well, and stay dependable as your traffic and your team grow.
03
Mobile Application Development
User-friendly iOS and Android apps with reliable APIs and scalable backends.
04
SaaS Product Development
Plan, design, develop, launch and scale subscription products with a partner who ships their own.
05
Business Automation
Replace repetitive manual processes with workflows, integrations, dashboards and automation.
06
AI Development & Agents
Assistants, agents and intelligent automation built into the products and workflows your team already uses.
07
API & System Integration
Connect platforms, payment services, third-party APIs, internal systems and cloud tools.
08
Product Modernization
Redesign, refactoring, performance and security upgrades for aging software.
The Zeoat team · Colombo, Sri LankaWhy Zeoat
Every call we make for you, we’ve made for ourselves.
Because we build and operate our own products, we know successful software takes more than code — it takes product strategy, usability, performance, reliability, marketing readiness and continuous improvement.
- Product-focused development
- Global-quality engineering
- Transparent communication
- Scalable architecture
- Mobile-first design
- SEO-friendly development
- Security-conscious implementation
- Long-term technical support
- Flexible collaboration
- Real SaaS product experience
Insights
View all articles →Ideas, technology & product notes.
How to Plan a SaaS MVP That Actually Ships
A practical scoping framework we use on our own products to cut features without cutting value — and get to a real, usable launch faster.
Designing Software People Don’t Need a Manual For
Why usability beats feature count, and how we test interfaces before writing code.
Webhook Testing Without the Pain: Local Tunnels Explained
What local-to-public tunnelling is, when you need it, and how we built Expona.
