An engineer-led systems company

You've built a good business. We build what lets it scale.

Arc Systems gives established service businesses the technology, systems and operations to grow without losing control. We start by understanding how your business really works.

SCALECONNECTBUILD

Your business at the centre, with each stage built around it.

STAGE 1 · BUILD

The things your customers actually touch.

A website is usually where it starts. When nothing off the shelf fits, we build custom software you own.

  • New websites and rebuilds
  • Moves off outdated platforms
  • Custom software you own
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The idea

Most good service businesses don't have a quality problem. They have an infrastructure problem: tools that were never built to work together. We build that layer, so growth stops adding chaos.

How we work with you

We treat your business like it's ours.

Understand first

We learn how your business really runs.

Fix the cause

Not the symptom.

Build to last

No black boxes.

Own the outcome

We stay until it works.

Start with one piece. Add the next when you're ready.

More about how we work
Zachary Kim, founder of Arc Systems, smiling at a restaurant table under an olive tree

Built by an engineer

I come from software engineering, where you don't ship a fix until you understand the problem. Arc Systems brings that discipline to how service businesses run: understand it properly, build the right thing, and stand behind it.
Zachary Kim · Founder, Arc Systems
About Arc Systems

Selected work · amcfg.com

The new amcfg.com homepage, with the headline More mortgage options. One clear guide.

From bought leads to a pipeline he owns.

Jay's mortgage team relied on bought leads that had already been resold. The real problem was that he didn't own his lead source, so we built him one, end to end.

Read the full case study

In under 7 weeks

2.6 minutes

to first response

25 applications

started from ad leads

239 leads · Aug 24 – Oct 9, 2026

$6,757 a year

less spent on software, after the new tools

“For the first time, I have consistent leads coming in with an automated system that lets me focus on the ones that are most engaged.”
Jay · amcfg.com

Tell us what you're trying to fix or build. We'll tell you plainly whether we can help.

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