Fixed-price project
Best when the scope is clear
Quoted per project
- Written scope, timeline and price before we start
- Pay by milestone
- You own the code on delivery
Software company in Sri Lanka, working worldwide
Software that runs your business;
Custom software, web and mobile apps, POS and ERP systems, built by one accountable team and supported for years after launch.
Reply within 1 business dayWritten estimate in 48 hours
- Registered company in Sri Lanka, no. PV 00300436
- Working with clients in UK and Europe, the Middle East, Australia and New Zealand, the USA and Canada
What we build for you
One team for design, engineering, launch and support, so nothing gets lost between agencies.
BPO & Offshore Development
Your offshore software team in Sri Lanka: developers, designers and QA working for you.
POS & ERP Solution Development
Smart, scalable business management systems built around how you work.
Custom Software Development
Software shaped around your business, not the other way round.
Mobile App Development
Android and iOS apps people actually keep using.
Website Development
Fast, search-friendly websites that bring in enquiries.
UI/UX Design
Interfaces that are clear on day one.
Micro SaaS Platform Development
Launch a subscription product with billing from day one.
Ready-Made Software
Proven systems you can start using this week.
SEO & Website Optimisation
Get found on Google by the customers you want.
Hosting, Domains & Email
Fast, secure hosting we set up and look after for you.
IT Support & Maintenance
Keep your systems running, with a team that answers.
Three ways to work with us
Pick the model that fits your budget and how much you want to be involved. You can switch later.
Dedicated team
Best for ongoing products and agencies
Monthly per engineer
- Engineers, designer and QA working only on your product
- Your tools, your sprint rhythm
- Scale up or down with 30 days notice
Support & maintenance
Best for live systems
Monthly plans
- Bug fixes, updates and monitoring
- Response times written into the plan
- Small changes included every month
Our own software products
We run these products every day for real businesses. The same engineers build your project.
SePOS
POS & Inventory
SePOS is an offline-first POS and business management system for retail, wholesale, supermarkets, restaurants, pharmacies and hardware stores. It keeps billing without internet or electricity, sends the owner SMS alerts, and lets you watch every branch from the SeReports mobile app.
SemiERP
ERP
SemiERP is an all-in-one, affordable cloud ERP for inventory, accounting, HR and CRM. It runs in Chrome on any device with nothing to install, across multiple branches and warehouses.
MondayTo
CRM & Projects
MondayTo is the simplest way to run projects, clients and staff together: leads, projects, tasks, time logs, invoices, support tickets, attendance, leave and payroll in one workspace.
SeBot
AI & Chatbots
SeBot is an AI assistant on WhatsApp and your website. It answers customers in English, Sinhala and Tamil, captures leads, and runs accounts, invoices, CRM, inventory, HR and loyalty — all from chat. Set up in 3 minutes.
CodeCrate
Developer tools
CodeCrate is the Semicolans marketplace for ready-made Laravel and PHP web applications. Buy a finished system, get your licence key and download instantly, and install it on your own hosting.
TERP
ERP
TERP is a cloud ERP for Sri Lankan businesses and community organisations: accounting, sales, POS, inventory, HR and payroll, plus 20+ industry modules, in your browser with nothing to install.
Industries we know well
We have shipped software for these businesses, so we start with the right questions.
Retail & supermarketsPOS, inventory and loyalty across branches
Restaurants & cafésBilling, QR menus, kitchen and delivery
Distribution & logisticsOrders, routes, stock and van sales
Healthcare & clinicsAppointments, records and pharmacy
Hotels & bookingsReservations, rooms and payments
EducationClasses, fees, attendance and learning apps
ManufacturingProduction, costing and procurement
Agencies & startupsWhite-label development and SaaS builds
Products we built and run
Our own platforms, designed, built and supported in-house by the team that will build yours.
SePOS: a POS that keeps billing through power cuts
Shops in Sri Lanka lose sales when the internet or electricity drops. We built SePOS to bill offline, sync to the cloud when it can, and keep the owner informed by SMS and a mobile app.
Offlinebilling without internet or power
Every branchwatched live from one phone
SMSalerts for every transaction
SeBot: running a business from WhatsApp
Small business owners already live in WhatsApp. SeBot answers their customers with AI in three languages and lets the owner run accounts, CRM, stock and HR from the same chat.
3languages: English, Sinhala, Tamil
3 minto set up
24/7answers for customers
TERP: one ERP for 20+ kinds of organisation
A rice mill, a salon and a madrasa all need accounts, payroll and stock, but each works differently. TERP is a single cloud ERP with shared accounting at its core and industry modules on top.
20+industry modules on one core
0software to install
14 daysfree trial for new accounts
1,000+Happy clients
2,500+Projects delivered
95%Client satisfaction
10,000+Social followers
How a project runs with us
You see progress every week in your client portal, and you approve each stage before we move on.
Discover
A call to understand your goals, users and budget. You get a written scope and fixed estimate.
Design
Clickable screens for your approval before any code is written.
Build
Two-week sprints with a demo at the end of each one, tracked in your portal.
Launch
Testing, deployment, data migration and training for your staff.
Support
Maintenance plans with response times in writing, and a team that knows your code.
Working hours that overlap with yours
Our team works on Sri Lanka time (GMT+5:30). Here is how our day lines up with yours, so calls and quick answers happen while you are at your desk.
Book a call in your time zoneSri Lanka8:00–17:00
London
3.5 h overlap
Berlin
4.5 h overlap
Dubai
6.5 h overlap
Riyadh
5.5 h overlap
Sydney
4.5 h overlap
Auckland
2.5 h overlap
New York
daily handover
Toronto
daily handover
0:006:0012:0018:0024:00
Our team's hours (Sri Lanka time)
Your 9:00–18:00
Live overlap
Technology we use every day
Web & backend
- Laravel
- PHP
- Node.js
- React
- Vue
- Livewire
- Tailwind CSS
Mobile
- Flutter
- Android
- iOS
- Firebase
Data & cloud
- MySQL
- PostgreSQL
- Redis
- AWS
- DigitalOcean
- Hostinger
Payments & messaging
- PayHere
- Stripe
- PayPal
- WhatsApp Cloud API
- SMS gateways
Questions clients ask before starting
Can't find your answer? Send us a message and a project lead replies within one business day.
What is Semicolans?
Semicolans is a technology company providing POS, ERP, e-commerce and custom software solutions. Our products, including SePOS, SemiERP, Semico.lk and SemiGro, help businesses grow efficiently.
Where is Semicolans located?
Our headquarters is in Polonnaruwa, Sri Lanka. We work with clients across Sri Lanka and abroad by video call, email and WhatsApp.
Can I get a quotation before buying?
Yes. Request a quote on our website or by WhatsApp and we will send a customised quotation for your needs.
Do I own the source code of my custom project?
Yes. On final payment we transfer the source code, designs and all accounts to you.
Do you sign an NDA?
Yes, we sign a non-disclosure agreement before discussing your project in detail whenever you need one.
Which time zone do you work in?
Sri Lanka time (GMT+5:30). That overlaps with UK and European mornings, the Gulf, and Australian afternoons. We schedule calls in your working hours.
From our blog
Cloud ERP or desktop software? A guide for growing multi-branch businesses
When one shop becomes three branches and a warehouse, software installed on one PC starts to hold you back. How cloud ERP compares...
Offline-first POS: why your shop should keep billing when the internet drops
A cloud POS that stops when the connection drops costs you sales at the busiest moments. Here is what offline-first means, and a c...
Hiring an offshore development team in Sri Lanka: a practical guide
Engagement models, time-zone overlap, contracts, code ownership and the first 30 days: what to check before you hand work to an of...
Tell us what you need built;
You get a written estimate, a timeline and a named project lead within 48 hours. No obligation.
