Software customized to your business and HubSpot.

Describe the app you need. Our AI engineers build it around 100% of your workflow, connect it to HubSpot and keep it running. Typically ready to test in 1–2 weeks.

Book a demo

No developers needed. Free test version before you commit.

Yes, you can get custom software that connects with HubSpot.

Yes. Mercovano builds custom business software that connects directly to HubSpot through HubSpot's REST API. Our AI engineers design it around how your team works, and it reads and writes HubSpot data such as contacts, companies, deals.

HubSpotCRM & marketing

Reads and writes

ContactsCompaniesDealsActivitiesQuotesProducts

Your appsApprovals · rules · forms

Apps you can build on HubSpot.

Each one is its own app, built around your rules and connected to HubSpot, so nothing is typed twice.

Rep	Booked	Payout
A. Lee	$182,400	$9,120
J. Brooks	$96,300	$4,815
P. Singh	$141,000	$7,050
M. Ito	$58,900	$2,945

How it connects to HubSpot.

Vendor: HubSpot
Category: CRM & marketing
Connection: Direct API, no middleman
API type: REST
Access: Open API. We connect with your own HubSpot sign-in; no vendor approval is needed.
Real-time updates: Yes. Changes in HubSpot can trigger your automations straight away.
Writing back to HubSpot: Broad. Your automations can create and update most HubSpot records.
File import fallback: Yes. HubSpot accepts import files, which we use as a fallback.
API documentation: HubSpot developer docs ↗

From a description to a working app.

01
Describe the app you need
In your own words: how the work runs today, who approves what, and which systems it touches. Click through a first version and change anything.
02
We build it and connect your systems
Our AI engineers build it on your data. Your admin grants access to your systems, with exact steps from us; we do the rest.
03
Test, launch and improve
Test it free on your own data before you commit; typical apps are ready to test in 1–2 weeks. When your process changes, the app changes with it.

No developers on your side. Just someone who knows how the work gets done.

See how it works in detail →

100% your workflow

Your steps, approvals and policies, not HubSpot's defaults.

Connected to HubSpot

Approved work lands in HubSpot without anyone re-typing it.

One platform, many apps

Every app shares the same HubSpot connection, sign-in and roles. Add the next one when you need it.

HubSpot and Mercovano, answered.

Can I get custom software that connects with HubSpot?

What apps can I build on HubSpot?

Teams build estimates and quotes, contract approvals, customer onboarding, customer credit setup, sales commissions and collections on HubSpot, each with their own approval rules, forms and policies. If you can describe the process, we can build it.

How does the software connect to HubSpot?

Open API. We connect with your own HubSpot sign-in; no vendor approval is needed. The connection uses HubSpot's REST API.

Do I need a developer or IT team?

No. Our AI engineers build, connect, host and maintain your apps. You describe how the work runs today and test it on your own data.

How long does it take?

Typical projects are built and ready to test within 1–2 weeks of going ahead.

How is it priced?

You pay for the software you need, nothing more: no per-user pricing and no implementation fees.