◆ 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.

or ▶ click around the live demo — no sign-up

Built by an MEP contractorMonth-to-monthFree plan · no card
app.mepsub.org/app/projects
A project in MEPSub: contract, invoiced, cost to date, margin and schedule
✓Invoice paid$4,820 · Stripe
✦AI takeoff done212 items priced
Working in New York City? DOB Leads before the bid, GC & owner risk, SST site cards and tickets on every van.For NYC contractors →

Also: plumbing & piping · controls & BMS · mold & restoration

Works with the tools you already run on

QuickBooksStripeSquarePayPalGoogleDropboxOneDriveProcore ✦MEPSub Phone ✦SlackPublic API QuickBooksStripeSquarePayPalGoogleDropboxOneDriveProcore ✦MEPSub Phone ✦SlackPublic API
Real screens, not stock art

See the workspace in action

Real screens from our demo company — the tools your office and field crews use every day.

app.mepsub.org/app/estimates · EST-5117
A MEPSub estimate with sections, cost, markup and margin
app.mepsub.org/app/estimates · Scopes
MEPSub scopes: in-house or sub, per scope
app.mepsub.org/app/projects · Schedule
A MEPSub project schedule with linked activities
app.mepsub.org/app/invoices/aia
MEPSub AIA G702/G703 schedule of values
app.mepsub.org/app/daily-logs
MEPSub daily logs with weather, crew and work performed
Estimating — sections, line items, cost, markup and margin, priced from your Price Book.
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 by chat, shop skills, bid board, estimates.

Deliver projects

Submittals, RFIs, CPM, controls.

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

Scanner, counts, labels, 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 (everything)$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 3 users — no credit card, no setup fee. Built by an MEP contractor who got tired of the stack.

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