Spas & SalonsBlog
Custom software studio

We build the software your business runs on.

ERPs, online stores, SEO catalogs, WhatsApp and AI — designed, built and handed over for you. 18+ years turning business processes into systems that sell and run.

hailan@build — zsh
$hailan build --your-business
ERP · POS · inventory
E-commerce + your own domain
CRM + WhatsApp + Marina AI
SEO catalogs · 160k+ products
Shipped to production
0+years building software
0+systems in production
0k+products managed
0countries · MX & US
What we do

One team for everything your business needs to run

From the database to the AI assistant — we build the whole system, and we build it to work as one.

CUSTOM SOFTWARE

Custom software

The exact system your business needs — real code, your rules, handed over ready.

checkout.tsLIVE
1const order = await db.orders.create({
2 items: cart,
3 tenant: businessId,
4})
5await marina.notify(order) // WhatsApp
6return json({ ok: true })
Explore
ERP · POS

ERP, POS & operations

Inventory, sales, cash flow and reports — your whole operation in one place.

Orders
OrderClientTotalStatus
#1042Ana R.$310Paid
#1041Luis M.$24Packing
#1039Sofía T.$599Paid
#1038Diego H.$148Pending
#1037Marta L.$86Paid
E-COMMERCE

E-commerce & catalogs

Online stores and SEO catalogs of thousands of products, on your own domain.

Wireless Mouse$24
+
4K Monitor$310
+
Cart · 3 items$358
AI · AUTOMATION

AI & automation

Assistants that answer, recommend and book — automations that remove busywork.

New order
AI reviews it
WhatsApp sent
WHATSAPP · CRM

WhatsApp & CRM

Every client, message and sale unified — reply on WhatsApp without leaving the system.

Hi! Is the RTX 4070 in stock?
Yes — $599, ships today
SEO · GROWTH

SEO & growth

Technical SEO and content engines that bring traffic that converts.

gaming laptop
#2
wireless mouse
#1
4k monitor
#4
INTEGRATIONS

Integrations

We connect your systems — ERPs, accounting and marketplaces talking to each other in real time.

NNetSuite
CContpaq
MMicrosip
SSAE
MMercado Libre
AAmazon
How we work

Watch your system come to life — in days

A clear path from your first idea to a system running your business. You see every step.

chat1/5
I need to control sales, inventory and WhatsApp in one place.
Got it. Let’s map your flow →
And sell online too?
Real businesses, real systems

Trusted to run what matters

Verified

“We love it. We keep control of everything so much more easily, and my staff books straight from the app.”

Verified

“Super easy to use for me and my team. Having appointments, clients and sales in one place changed our operation.”

Verified

“We don’t hand you a template and disappear. We build your system around how you actually work — and stay to make it win.”

H
Ing. Humberto GonzálezFounder · Hailan
Why Hailan

The only ones who do all of it

Rent-a-system SaaS is rigid. Agencies take months and disappear. We give you both — custom and ready — and we stay to keep it winning.

Rented SaaSDev agencyHailan Recommended
Built exactly for your business
Live in days, not months
WhatsApp + AI built in~
You own the code & data
Bilingual — English & Spanish~
We stay and keep improving it~
Free · about 2 minutes

Not sure whether to rent or build custom?

Answer a few quick questions and we’ll evaluate your business — then tell you exactly what fits: a ready system you rent, or one built just for you.

No commitment · your data stays private