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A2 Labs · Miami, Florida

Software, engineering and research that hold up in the real world.

Custom web and mobile software, engineering design and computer networking research, plus the finance side of a business, from a small team that builds and runs its own tools every day.

See what we’ve built Our services
A2 QBO dashboard: year-to-date income, gross profit, net income and cash against two earlier years, above monthly income and net income charts
A2 Contracts on a phone: site photos grouped by day, with captions and favorites

Software development

Web and mobile apps built around how your business actually works, from first sketch to the app store.

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Web design

Fast, good-looking websites that rank in search and read correctly to AI assistants.

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Engineering services

MEP engineering and MOT plans for permits (through A2 Construction), plus custom prototypes modeled and 3D-printed.

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Networking research

Internet architecture, Named Data Networking, IoT and secure data sync, backed by a Ph.D. in computer science.

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Finance & accounting

Bookkeeping, monthly close, payroll and tax-ready books for small businesses on QuickBooks Online.

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Software development

We build software we use every day.

Every product below runs a real business: a construction company, a bookkeeping practice and a hospitality operation. Yours could be next, whether it’s a web app, an iPhone and Android app, or AI that works with your data.

Construction management · Web, iOS, Android

A2 Contracts

Estimates, proposals and change orders; schedules; plans with markups and takeoffs; site photos searchable by what’s in them; pay applications and lien releases. Built by a working general contractor.

  • Works offline on the jobsite
  • Photo search by an AI model that runs on our own machines
  • Connects to Claude and other AI assistants (MCP)
QR code for A2 Contracts on App Store Download on the App Store QR code for A2 Contracts on Google Play Get it on Google Play
contracts.a2cons.com
A2 Contracts: a project's overview with progress, upcoming inspections, the latest daily report and site photos
A2 Contracts on a phone: a daily report with the day's jobsite photos
A2 QBO's profit check: net income against the change in cash, month by month, with who booked each amount
Accounting · Web

A2 QBO

A full copy of a company’s QuickBooks Online books, made to find what is booked wrong: monthly trends, vendors in the wrong account, income counted twice. Fixes are drafted, reviewed and approved by a person. Payroll, loans and tax records live alongside.

BI Inventory on iPhone: top-level locations with their sub-locations and item counts
BI Inventory on iPhone: a freezer’s contents with quantities and days until each item expires
Inventory · iPhone, Apple Watch, Web

BI Inventory

Stock and supplies across nested locations, scanned by barcode, with reorder alerts, expiration reminders and a history of who moved what. Nothing is ever deleted, just archived with a reason.

More about our software work

A2 Construction website home page

Web design

Websites that load fast and get found.

Sites for businesses and organizations, quick on a phone and easy for search engines and AI assistants to read.

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Engineering services

Engineering for permits, and prototypes you can hold.

MEP engineering and MOT plans for permits in Florida through A2 Construction (FL Eng. Reg. #40202), plus custom parts modeled in 3D and printed.

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Networking research

An Internet built around data, not addresses.

More than a decade of Named Data Networking research, and the open-source code behind it, from a UCLA computer science Ph.D.

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A2 QBO: month-end bank balance across three years, and where the money went by account compared with last year

Finance & accounting

Books you can trust, and numbers you can read.

Bookkeeping, monthly close, QuickBooks Online cleanup, payroll and tax-ready books, reviewed with our own software.

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How we work

Small team, straight answers.

  1. 01

    Talk

    A short call about what you need and what you have today.

  2. 02

    Scope

    A written plan with what we will deliver, when, and for how much.

  3. 03

    Build

    Regular check-ins and working results early, not one big reveal.

  4. 04

    Hand over

    Documentation, training and support after the work is done.

Have a project in mind?

An app idea, a design question, a network problem or books that need catching up. Send us a note.