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About us

Engineers who stayed for the boring part

Founded in Singapore in 2019. Nine platforms in production, a hundred and fifty organisations served, and a deliberate decision to stay small enough that you always talk to someone who can change the code.

0Founded
0Platforms in production
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Singapore skyline
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Our story

From consultancy to product company

We began the way most Singapore software firms begin: taking on the projects larger vendors found too specific. Custom inventory systems. Security logs that had to satisfy an auditor. Integrations between a twenty-year-old ERP and a three-month-old API.

What changed is that we started keeping what we learned. The fleet system we built for one logistics operator became ITMOS. The emissions spreadsheet we automated for a manufacturer became Karbon0. The conference platform we assembled under deadline became AZEvents. Each product exists because a real client had a real problem that no packaged tool solved properly.

That history is why we still do bespoke work. It is where the next product comes from, and it keeps us honest about what software actually costs to run.

How we think

Four opinions we actually hold

Software is a liability until it is used

A system nobody opens is worse than no system, because it still needs patching. We design for the person who has forty minutes and three interruptions, not the demo audience.

Compliance is an architecture problem

PDPA obligations and climate disclosure requirements are constraints on data models, retention and access — not a policy document you attach at the end. Retrofitting them costs several times more.

Integration is the actual work

Most enterprise projects are not hard because the new thing is hard. They are hard because the new thing has to live alongside six existing things, two of which nobody fully understands any more.

Go-live is the middle, not the end

The interesting problems appear in month four, under real load, with real data. We price and staff for that rather than treating support as an afterthought.

Company facts

The unglamorous details

Everything a procurement team asks for in the first email.

Registered nameHannsville Technologies Pte. Ltd.
UEN201939001H
IncorporatedSingapore, 2019
Registered office32 Pekin Street, #05-01 Far East Square, Singapore 048762
Office hoursMonday–Friday, 09:00–18:00 SGT
Data residencySingapore by default; on-premise and private cloud available
Data protectionPDPA-compliant; outsourced DPO services offered to clients
Main contact+65 6477 0032 · hannsville@gmail.com
Where next

Keep reading

How we work

The four stages of a Hannsville project, and what you get at the end of each.

See our process

Our platforms

ITMOS, Karbon0, AZEvents and HeyKiko explained in detail.

Explore platforms

Industries

Where our software runs today and the regulations that shape it.

See industries
Next step

Bring us the messy problem. We like those.

A 30-minute call, no deck, no obligation. Tell us what is breaking and we'll say honestly whether we're the right team to fix it.