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LinkTech Solutions
Custom Internal Tools

Internal tools for inventory, job tracking, and dispatch

When the spreadsheet stack stops holding, we replace it with one system your team actually uses. Built by senior US based engineers in Chino Hills, for businesses across Southern California.

Capabilities

The tools operations teams ask us for most

Every one of these started as a spreadsheet, a shared inbox, or a group text that stopped scaling.

Inventory & Stock Tracking

Know what you have, where it is, and what is running low. Barcode or manual entry, multi-location counts, reorder alerts, and an audit trail that survives staff turnover.

Job & Work Order Tracking

One record per job from intake to invoice. Status, assignment, photos, notes, and timestamps, so nobody has to ask where something stands.

Dispatch & Field Scheduling

Assign crews or drivers, see the day at a glance, and push updates to the field. Built for teams that currently run dispatch out of a group text.

Admin Dashboards

One screen that centralizes the numbers you check every morning. Pulls from your existing systems instead of asking you to re-enter anything.

Role-Based Access for Small Teams

Departments see only what they should. Owner, manager, tech, and read-only roles, with permissions you can change yourself without calling a developer.

Client Intake & Data Entry Reduction

Forms that write straight into the system of record. No copy-paste from an inbox into a spreadsheet, and no double entry between tools.

Who This Is For

When spreadsheets become the thing holding you back.

If three or more of these are true, the spreadsheet has stopped saving you money and started costing you hours.

The same number lives in three files and none of them agree
Someone rebuilds a report by hand every Monday
A single person is the only one who knows how the workbook works
You email versions back and forth to avoid overwriting each other
Adding a new employee means explaining an undocumented process
A formula broke once and nobody noticed for a month

We wrote a longer breakdown of the tradeoffs in replacing spreadsheets with custom software, including the ROI math and where the switch is not worth it.

What it connects to

An internal tool that needs manual re-entry is just a second spreadsheet. We connect to the systems you already keep.

QuickBooks
Your existing CRM
Website and landing page forms
Google Sheets and Excel
Stripe and payment processors
Email and SMS notifications
FAQ

Common questions about custom internal tools

Who can help a California business replace multiple spreadsheets with a single application?

That is the core of what we do. We are a Chino Hills based engineering team serving Southern California, and most internal tool projects we take on start as a stack of spreadsheets that outgrew itself. We map how the sheets are actually used, including the informal rules that live in someone's head, then build one system that covers them. The spreadsheets stay available read-only during the transition so nobody loses access to history.

How much does a custom internal tool cost?

Most small business internal tools run $15,000 to $60,000 depending on how many user roles, integrations, and workflows are involved. A single-purpose tool, for example job tracking for one crew, sits at the lower end. A dispatch system that connects to QuickBooks and sends customer notifications sits higher. We scope first and quote a fixed price, so the number does not move once we start.

Can it pull data from QuickBooks and my CRM into one dashboard?

Yes. Most dashboards we build read from two or more systems that were never designed to talk to each other. We connect through official APIs where they exist and handle authentication, sync timing, and error handling so the numbers on screen are current and you are not exporting CSVs by hand.

Can different departments see different things?

Yes, and for most teams this is a requirement rather than a nice to have. We build role-based access from the start: owner, manager, field tech, and read-only are the common set. Permissions are configurable in the app, so adding a role later does not require a developer.

Do we own the code?

You do. Code, database, and hosting accounts are yours, documented, and transferable. We are not the only shop that can maintain what we build, and we do not hold the stack hostage as a retention strategy.

How long does it take?

A focused internal tool typically ships in 4 to 10 weeks. We deliver in phases so you are using the first working piece well before the whole thing is finished, which also means the scope can adjust once your team has touched it.

What if we already started building something and it stalled?

We take over partially built applications regularly. We start with a paid code audit to check architecture, security, and how much is salvageable, then give you an honest recommendation on finishing it versus rebuilding the weak parts. See our notes on legacy system modernization for how that assessment works.

Tell us what your team is working around

Describe the spreadsheet, the process, or the tool that stalled. We will tell you honestly whether custom software is the right answer.