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Custom ERP development

Custom ERP development that fits how you actually operate.

Custom ERP development puts your orders, jobs, inventory, billing and books in one system built around the way your business already runs. No modules you will never use, no consultant to change a field, no license that grows with every hire, and the software is yours.

www.wrbcpa.com
WRB3 CPA, built by Stack Mode

Our work · WRB3 CPA

The problem

Boxed ERP asks you to change the business to fit the software.

Most growing companies run on a stack of tools that each own one piece: a CRM, a job tracker, an invoicing app, accounting software and spreadsheets to glue them together. Every handoff between them is someone retyping, and nobody can see the whole operation on one screen.

Big ERP platforms promise to fix that, then hand you a long implementation, modules priced per seat and a process that belongs to someone else. Custom ERP software starts from your workflow instead and grows one module at a time, so the system matches the business on day one and keeps matching it.

What changes for you

What a custom ERP should do for your operation.

One source of truth

Customers, orders, jobs, stock and money in one database, so every report agrees with every other report.

Hours of retyping gone

An order entered once becomes the job, the invoice and the ledger entry without anyone copying it.

The whole business on one screen

Cash, open work, what is owed and what needs attention today, live instead of at month end.

No per-seat licensing

Add people, locations and modules without a bigger bill every renewal.

What you get

Custom ERP software, built module by module

We start with the module that costs you the most time, then add the rest on the same foundation.

  1. 01

    Workflow mapping

    We walk the work from first inquiry to final payment and write down every step, handoff and report the ERP has to cover.

  2. 02

    Orders and jobs

    Quotes, orders, work orders and job status in the stages your team already uses.

  3. 03

    Inventory and purchasing

    Stock levels, locations, reorder points, vendors and purchase orders, tied to the jobs that use them.

  4. 04

    Billing and accounting

    Invoices, recurring billing, payables, a general ledger and profit and loss, or a clean sync to the accounting tool you keep.

  5. 05

    Client and vendor portals

    Customers check orders and pay invoices; vendors see purchase orders. Fewer calls for your office.

  6. 06

    Data migration and integrations

    Your history moved in from spreadsheets and old systems, plus connections to payments, email and shipping.

Inside a custom back office we built

A whole practice in one system.

WRB3 CPA's platform covers clients, payroll, filings and tax season, with every screen in both a classic green-screen view and a modern one. Switch between them.

Professional Services

WRB3 CPA

We rebuilt a CPA practice's homegrown back office on modern code, and kept the green screens it was built on.

Automated tests
4,093
Themes
5
Green-screen mode
80x24
View the case study
www.wrbcpa.com
WRB3 CPA rpg sign on by Stack Mode

Why Stack Mode

We run our own business on an ERP we built.

1

StackOS runs Stack Mode

Clients, proposals, projects, time, invoices, bank feeds, a general ledger and profit and loss in one system with 69 shipped modules. It imports books from QuickBooks, Xero and Sage.

2

A CPA practice's back office

For WRB3 CPA we are replacing System/36 style accounting software with a modern platform: client records, books, payables, payroll, filing due dates and a tax season board, one module at a time.

3

Phased, so the business never stops

Each module goes live on its own and runs beside the old tools until your team trusts it. Nothing is switched off until the numbers match.

How we work

Five steps. One team. No surprises.

Fixed pricing and a clear plan before we start, and you see the work at every stage.

  1. Strategy

    01

    We learn the business, the customer and the goal, then map the pages, features and content that will move the numbers.

  2. Design

    02

    A custom design for your brand, reviewed with you screen by screen until it feels right. No templates.

  3. Build

    03

    Clean, fast code, built to rank and to last. Applications get tested with real data before anyone relies on them.

  4. Launch

    04

    Redirects, tracking and speed checked before go-live, so nothing you already earned is lost in the move.

  5. Grow

    05

    Hosting, care and marketing after launch, so the site keeps getting better instead of going stale.

Our stack

Tools we trust for this work.

Every tool is one we use on real client projects. Tap any of them for our take.

Client reviews

Don't take our word for it.

4.9

Google rating

  • They really got to know us and incorporated our ideas into our website perfectly. In addition to our new website, they developed an amazing CRM to help streamline our workflow!
    TTT. TranNNCEPP
  • Chris and the team at Stackmode absolutely nailed our Nevada Estate Property website. I've been in real estate for over 20 years and have seen a lot of websites. This is honestly the best I've seen.
    RBRyan BordenNevada Estate Property
  • Started a very big project with Chris back in April. We just completed the project and I couldn't be more impressed with his skill, professionalism and patience.
    JDJeff DavidsonReno Restaurant Guide
  • We've had an increase of people asking about our site, our business has increased substantially. The communication is phenomenal and the budget is right on target!
    DLDon LamersWestern Nevada
  • Absolutely could not be more impressed with this company. They took my idea, created an amazing website, and provided exceptional customer service. Very modern, clean, and professional!
    CGChad GrayotBio Sealed
  • Stack Mode was able to assist me with creating a robust website with powerful marketing messages. I wouldn't just lightly recommend Stack Mode, I am an advocate for their high-quality work!
    EAElias AstutoeXp Realty
  • They were very helpful, accommodating, knowledgeable, and quick to respond! We would recommend them to anyone needing website help or marketing services. Thank you, Stack Mode!!
    SSSamantha SamuelsonBlack Eagle Consulting
  • Great work on our website and very good with communication! It's great to have a team you can count on. We highly recommend Stack Mode Marketing Group!
    DMDarik MerbachBooked Out
  • First class marketing and design services. Recommend them to anyone needing a website, marketing assistance, or even just a logo. They will go out of their way to please.
    WBWilliam BloomerWilliam R. Bloomer, CPA
  • I found Chris and his staff at Stack Mode Marketing Group to be very professional, helpful, friendly, and knowledgeable with all aspects of their services in supporting our company goals.
    AMAlex MalavazSurviveIt2
  • Stack Mode Marketing Group did a great job of creating our website. We would recommend Stack Mode Marketing Group to anyone who is looking to create a customized website!
    RBRoxanne ButlerMyan Management Group
  • Chris Foti really knows his business. He provided excellent advice to us today and he was very generous with his time!
    JRJen Rosser

FAQ

Custom ERP Development questions, answered.

What is custom ERP development?
Custom ERP development is designing and building enterprise resource planning software around your own operation: orders, jobs, inventory, purchasing, billing and accounting in one system. Instead of configuring a generic platform, the software is shaped around how your team already works.
Is a custom ERP better than an off-the-shelf ERP?
Not always. If a standard ERP fits your process with light setup, it is usually the faster choice. A custom ERP pays off when your workflow is part of what makes you good, when per-seat fees keep climbing, or when you are running key steps in spreadsheets because the platform cannot do them.
Can a small or mid-sized business justify a custom ERP?
Often, yes, because you build only the modules you need, starting with the one that costs the most time. Many of the businesses that benefit most have outgrown spreadsheets and small business tools but do not need an enterprise platform.
Can the ERP connect to QuickBooks or our accounting software?
Yes. The ERP can keep its own books, or sync invoices, payments and customers to the accounting software your bookkeeper already uses. StackOS imports books from QuickBooks, Xero and Sage.
How do you move our data without disrupting the business?
We map every field, run test imports and check the results against your current numbers. Modules go live one at a time beside your existing tools, so your team switches only when each piece is proven.
What does custom ERP development cost?
Every project gets a fixed price after a discovery call, based on the modules in scope. The Price Guide shows where custom applications typically land, and payment plans are available.