01 / Built for you
A system fit to your business
Your jobs, your crews, your billing cycle. We build around how you already work — you don’t reshape the company to fit some off-the-shelf app.
How we build it →We build the system that runs your business.
Rexo Systems builds the software that runs a small business — custom-fit around your money, jobs, crews, and time. The busywork runs itself, every number stays current in one place, and you get your evenings back. Bookkeeping is one piece of it.
Read why we exist →
One place for the whole business,
so you always know where you stand.
Money, jobs, crews, and time run in one system, current in real time — no more stitching together five apps and a shoebox. Here is one piece of it: the money, reconciled to the cent, a wrong entry caught before it lands.
Where you stand — this month
Aug 2026
| Supplier — lumber & framing | Aug 03 | −4,180.00 |
| Draw — Riverside job | Aug 05 | +12,500.00 |
| Payroll — crew of nine | Aug 07 | −8,942.16 |
| Receipt — fuel & equipment | Aug 09 | −613.44 |
| Duplicate invoice — held caught before posting | Aug 09 | −1,204.00 |
| Balance — reconciled to the cent | 0.00 |
What we build
Three things every system we build does — the reasons owners stop dreading the back office.
02 / Time back
The busywork runs itself
Entry, matching, chasing paperwork, the same reports every month — the system handles the repetitive work so you’re not doing it at the kitchen table on a Sunday.
How we build it →03 / Confidence
Every number in one place, current
Money, jobs, crews, and time in a single system — not a month behind, not scattered across five apps. You always know where you stand, and a wrong entry is caught before it lands.
How we build it →The firm
The systems that run big companies, finally built for you.
The founder built the financial systems that run large companies — at EY, and inside Fortune 500 finance teams. Serious machinery: the software and process that keep a whole operation coordinated and every figure trusted.
None of that ever reached the operator running nine crews out of a truck. They run the same real business — money, jobs, payroll, deadlines — on scattered apps and a shoebox of receipts, carrying all the risk with none of the machinery.
Rexo Systems exists to close that gap: to build the same serious systems, custom-fit and sized for the business that actually has to live by them. Bookkeeping done right is one piece of it — the rest is giving owners their time, and their confidence, back.
— Founder, Rexo Systems
What we run
Our own products, plus the custom systems we build around your business.
Rexo Rail
Live
The office in one place: money, jobs, crews, and hours kept current and running on their own, so you always know where you stand.
Visit rexorail.com →
Rexo io
Coming
Custom-built systems wired around the rest of your operation — the parts an off-the-shelf tool was never going to fit.
Ask to be told first →Let’s build the system your business needs.
Tell us how your business actually runs. You’ll talk to a real person — no sales script, no queue.