Margin One: Fractional COO and KPI Operating System for HVAC, Plumbing & Electrical Contractors
Run the Business From the Signal, Not the Scramble.
Margin One pairs fractional COO coaching with M1COS, the contractor KPI dashboard that turns your field service, accounting, and marketing data into one weekly scorecard — so home service owners protect margin, cash flow, and growth.
Provider-agnostic by tenant. M1COS reads from the financial and operational providers each company already uses. It is not hardwired to one accounting or field-service vendor.
Operational systems create work signals — calls, jobs, dispatch, completion, callbacks.
Financial systems provide accounting truth — invoices, payments, cost, and margin.
M1COS turns both into connected decisions with an owner and a deadline.
Financial intelligence, operations, growth, and field service — each HVAC, plumbing, and electrical KPI dashboard answers a different question with its own evidence.
Financial Intelligence. Reconcile what happened, identify cash pressure, and clarify profit quality.
Gross Margin Trend
Is profit quality improving, and is it inside the target band?
Gross margin by month; target band 45–50%
A/R Aging
How much is open, and how much of it is aging past terms?
Current
$64.2K
1–30
$22.1K
31–60
$9.6K
61–90
$11.2K
90+
$7.2K
Accounts receivable aging, $114.3K open
Billed vs. Collected
Reconciled against the accounting ledger this month.
Billed
$286.4K
Collected
$251.9K
Unmatched
3 records
Operations Command. Identify capacity constraints, service bottlenecks, and accountability gaps.
Booked Capacity
Where is the next week overloaded, and where is it open?
Mon
Tue
Wed
Thu
Fri
Install A
100%
100%
95%
100%
90%
Install B
95%
100%
100%
85%
100%
Service 1
80%
60%
55%
70%
85%
Service 2
75%
65%
50%
60%
80%
Service 3
90%
70%
62%
75%
95%
Maint.
40%
45%
35%
50%
30%
Booked capacity percentage by technician and day
Bottleneck Queue
Stuck work grouped by why it is stuck.
Awaiting parts6 jobs · oldest 5dWatch
Unscheduled maintenance4 jobs · oldest 9dAttention
Estimate not followed up8 jobs · oldest 3dWatch
Callback pending2 jobs · oldest 1dHealthy
Growth Performance. Connect spend, lead quality, conversion, and booked work.
Lead Funnel
Where between first contact and completed work do leads drop?
Leads412—
Contacted35185%
Booked12836%
Completed10985%
Step conversion
Lead funnel from leads to completed jobs
Cost per Booked Job
Spend divided by booked jobs, by channel — not cost per lead.
Cost per booked job by marketing channel
Field Service. Connect requests, dispatch, work execution, customer history, and billing readiness.
Today's Dispatch
Which arrival windows are at risk right now?
8a10a12p2p4p
D. Ortiz
K. Nguyen
R. Patel
M. Brooks
On trackWindow at riskRunning late
Dispatch timeline for four technicians
Billing Readiness
Completed work that is not yet ready to invoice.
Furnace replacementCloseout photosBlocked
Water heater installCustomer signatureMissing item
Every Number Has an Owner. Every Week Has a Rhythm.
Running on EOS® or your own operating system? M1COS gives your accountability chart, weekly KPI scorecard, quarterly Rocks, issues list, and L10-style leadership meeting live numbers from the systems you already use — no more Monday spreadsheets.
Accountability Chart
One owner per seat
Owner
OWOwner
· Vision and culture
· Key relationships
· Big decisions
General Manager
GMGeneral Manager
· Runs the weekly meeting
· Holds every seat accountable
· Resolves cross-team issues
Sales & Marketing
MLMarketing Lead
· Lead flow
· Booked-call rate
· Cost per booked job
Operations
SMService Manager
· Capacity and dispatch
· First-time fix
· Closeout quality
Finance
CTController
· Reconciliation
· Collections
· Margin by job type
L10-Style Weekly Leadership Meeting
90 minutes, same agenda
1Check-in5 min
2Scorecard review5 min
3Priority review5 min
4Headlines5 min
5To-do list5 min
6Issues: identify, discuss, solve60 min
7Conclude and rate5 min
Ends with every to-do owned and the meeting rated.
Weekly KPI Scorecard
Misses go to the issues list
Measurable
Owner
Goal
Aug 25
Sep 1
Sep 8
Sep 15
Sep 22
Booked calls
ML
≥ 60
On goal: 64
Missed goal: 58
On goal: 71
On goal: 66
On goal: 62
Gross margin %
CT
≥ 45
On goal: 46.1
Missed goal: 44.2
On goal: 47
On goal: 46.8
On goal: 48.2
Callbacks
SM
≤ 3
On goal: 2
Missed goal: 4
On goal: 1
On goal: 3
On goal: 2
Tech utilization %
SM
≥ 75
On goal: 78
Missed goal: 74
On goal: 81
On goal: 77
On goal: 79
A/R over 60 ($K)
CT
≤ 15
On goal: 12.4
On goal: 14.1
Missed goal: 16.8
Missed goal: 17.9
Missed goal: 18.4
Reclaim Your Margin
Every Red Cell Is Margin You Can Win Back.
We will build your first KPI scorecard from your real numbers — owners, goals, and the misses worth fixing first.
A/R over 60 missed goal three weeks runningRaised from scorecardDiscuss
Install crews over-booked Tuesday–WednesdayRaised from signalSolve
Permit numbers missing at closeoutRaised from past-due to-doIdentify
Solutions for Home Service Businesses
From What Happened to Who Does What Next
Job costing, cash flow, capacity, and lead tracking all follow the same arc: the situation before, the decision the evidence supports, and the accountable action.
Financial Intelligence
Reconcile what happened, identify cash pressure, and clarify profit quality.
How Margin One Turns Contractor Data Into Decisions
Three stages turn scattered job, invoice, and lead records into a weekly operating rhythm for your HVAC, plumbing, or electrical business — whichever accounting and field service software you run.
01
Connect the Operating Evidence
Read-only connections to your accounting, field-service, and marketing systems. Every figure keeps its source.
02
Normalize the Business Definitions
One definition of a job, a lead, a booked call, and gross margin — agreed once, applied everywhere.
03
Move From Signal to Accountable Action
Each signal lands with an owner, a due date, and the evidence behind it. Progress is reviewed weekly.
M1COS is Margin One's operating system for HVAC, plumbing, and electrical contractors. It connects your accounting, field service, and marketing systems and turns them into one weekly KPI scorecard where every number has an owner.
What does a fractional COO do for an HVAC or plumbing company?
A fractional COO installs and runs the operating rhythm a growing contractor needs but can't yet hire full-time: a weekly KPI scorecard, clear seat accountability, quarterly priorities, and a leadership meeting that solves issues. Margin One provides that coaching and runs it on M1COS.
What KPIs should an HVAC business track every week?
Track booked calls, lead-to-booked rate, average ticket, gross margin by job type, technician billable utilization, callbacks, and A/R over 60 days. Each needs an owner and a weekly goal; M1COS pulls them from your field service and accounting software automatically.
Does M1COS work with EOS®?
Yes. M1COS includes the tools EOS® teams run every week — an accountability chart, a weekly scorecard, quarterly Rocks, an issues list, and an L10-style meeting agenda — fed with live numbers instead of spreadsheets. Margin One is not affiliated with EOS Worldwide.
Does M1COS replace Housecall Pro, ServiceTitan, or QuickBooks?
No. M1COS sits above your field service and accounting software, which stay the system of record. Today it connects to Housecall Pro, QuickBooks Online, and Xero; companies without field service software can use the optional M1COS field-service module.
How does tenant data remain separated?
Each company's records are scoped to that company and the separation is enforced in the database itself, not only in the interface.
Can the platform use different accounting and operational providers?
Yes. Providers are configured per company. Two companies on different accounting systems see the same definitions and the same kind of operating picture.
What does implementation look like?
It starts with a strategy session, then source connections, agreed definitions, and a first scorecard. Timing depends on the systems involved and the condition of the data — we will tell you what we find rather than promise a date up front.
Build an Operating System Around the Business You Actually Run.
Book a 30-minute strategy call with Margin One. We will look at your systems, your KPIs, and the decisions costing you margin.
Thirty minutes, no preparation needed
Bring the systems you use today
Leave with a view of your first scorecard
Pick a time that works for you.
A working conversation about your numbers with an operator who has run the trucks — not a sales pitch.