◆ The all-in-one MEP contracting platform

Run the whole job — service and projects — in one system.

Estimating, field, invoicing and accounting in one place. Built by an MEP contractor, not a software company.

Built by an MEP contractorMonth-to-monthFree plan · no card
app.mepsub.org/app/estimates
Estimates pipeline in MEPSub — takeoff to priced quote
Invoice paid$4,820 · Stripe
AI takeoff done212 items priced

Works with the tools you already run on

QuickBooksStripeSquarePayPalGoogleDropboxOneDriveProcore ✦3CXSlackPublic API QuickBooksStripeSquarePayPalGoogleDropboxOneDriveProcore ✦3CXSlackPublic API
Real screens, not stock art

See the workspace in action

A quick tour of the tools your office and field crews use every day.

app.mepsub.org/app/estimates
MEPSub estimating — priced estimate cards with margin
app.mepsub.org/app/invoices
MEPSub invoicing — A/R aging and AIA G702/G703 billing
app.mepsub.org/app/live
MEPSub live map — clocked-in field techs in real time
app.mepsub.org/app/tasks
MEPSub tasks — internal to-do board
Estimating — takeoff → priced estimate, with margin on every card and a live pipeline.
Watch it work

Build a submittal in minutes

A quick walkthrough of MEPSub doing real MEP work — no slides, just the app.

One platform

The estimate becomes the job — the job becomes the invoice

Everything a mechanical, electrical or plumbing contractor needs, in one connected system.

From bid to bank — no re-typing

Win the estimate, dispatch the crew, bill the work, and it hits your books. One record, start to finish.

EstimateAI takeoff
Jobdispatch
InvoiceAIA/G703
BooksQBO
No add-ons to buy, no integrations to wire up — one system, from the first lead to the final 1099.

Win the work

AI takeoff, estimates, leads.

Deliver projects

Submittals, RFIs, CPM.

Run the field from any phone

Dispatch board, Field mode, live GPS map, time clock.

Work ordersService ticketsChecklistsLive map

Get paid

Invoicing, AIA, payments.

Safety

Toolbox, JHA, incidents.

Fab shop

Sheet-metal cut lists.

Inventory

Stock, tools, POs.

Stop the stack

Paying for five tools that don't talk?

Scheduling app + QuickBooks add-ons + a takeoff tool + SMS + a portal. Slide your crew size.

Typical 5-tool stack$1,760/mo
MEPSub (Team)$176/mo
You'd save about $1,584 / month — and lose the double entry.
0Built-in features
0Tools it replaces
0Job models: service + project
0Setup fee · month-to-month

See it running on your jobs

Start free with up to 5 users — no credit card, no setup fee. Built by an MEP contractor who got tired of the stack.

MEPSub
Pricing
Start free →Log in▶ Try the live demo