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Now Available · Contractor OS v1

The Operating System Every Contractor Wishes They Had From Day One.

Stop wasting hours creating paperwork. Get 100+ customizable templates built from real plumbing operations to help you stay organized, look professional, get paid faster, and grow your business.

Download The System
Trusted by contractors in 5 trades
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contractor_os / dashboard

This Week

$24,680

AR Outstanding

$8,420

3 invoices · 14 days avg

Active Jobs

Live
Henderson Repipe
On site
Maple St HVAC Install
Estimating
Stewart Water Heater
Invoiced
K
Katie Ritter
Founder · 7+ yrs ops

“Systems win. Files lose. This is the system I wish I'd had on day one.”

Save 5–10 hours every week

Look more professional

Win customer trust

Get paid faster

Keep your business organized

100+ Documents · Every Department

Every paper your business needs. Ready in minutes.

Estimates, invoices, change orders, SOPs, HR forms, marketing calendars, job-cost sheets — the whole operating system.

RITTER & CO.Plumbing / Residential

Plumbing Estimate — Residential

Itemized proposal with scope, inclusions, exclusions, and terms.

Company & Customer

Company name
License #
Address / Phone
Customer name
Service address
Contact phone / email

Estimate

PDF

Pre-filled · Editable

RITTER & CO.Plumbing / Residential

Plumbing Invoice — Residential

Itemized work, tax, payment terms, finance-charge language.

Invoice Header

Invoice #
Invoice date
Job # / PO
Bill to
Payment terms

Work Performed

DescriptionQtyRateLine $

Invoice

PDF

Pre-filled · Editable

RITTER & CO.Change Order

Plumbing Change Order

Signed change-order form: scope, reason, pricing, schedule impact.

Company & Customer

Company name
License #
Address / Phone
Customer name
Service address
Contact phone / email

Change Order

PDF

Pre-filled · Editable

RITTER & CO.Daily · SOP

Office Manager Daily Task List

Morning, midday, and end-of-day routines for a contractor office.

Before Day 1 — Office Tasks

  • Send signed offer letter, W-4, I-9
  • Add to payroll & time tracker
  • Order uniforms & business cards
  • Assign vehicle, fuel card, GPS
  • Pre-stock truck with standard inventory
  • Pull MVR & confirm insurance approval

Daily Job Sheet

PDF

Pre-filled · Editable

RITTER & CO.Spreadsheet

Payroll Tracker

Two-week payroll period. Blue = inputs, black = formulas.

EmployeeRoleHrsRate

Payroll Tracker

PDF

Pre-filled · Editable

RITTER & CO.Spreadsheet

Accounts Receivable Tracker

Track open invoices, aging buckets, and follow-up actions.

Invoice #CustomerJob

AR Tracker

PDF

Pre-filled · Editable

RITTER & CO.Spreadsheet

Permit Tracker

Track every permit from application to closeout.

JobCustomerTrade

Permit Tracker

PDF

Pre-filled · Editable

RITTER & CO.Content

30 Plumbing Posts

A month of social posts for plumbing contractors — hook, caption, hashtags, image prompt.

30 Days of Content

Hook-first posts for plumbing, HVAC and electrical crews. Caption, hashtags and image prompt for every day.

Cadence: 4–5 posts a week. Hold one back for stories.

Day 1 — The 50¢ part that saved a $4,000 floor

Social Post Pack

PDF

Pre-filled · Editable

RITTER & CO.HR · Onboarding

New Hire Checklist

Day 1, Week 1, and First 90 Days onboarding for field techs and office staff.

Before Day 1 — Office Tasks

  • Send signed offer letter, W-4, I-9
  • Add to payroll & time tracker
  • Order uniforms & business cards
  • Assign vehicle, fuel card, GPS
  • Pre-stock truck with standard inventory
  • Pull MVR & confirm insurance approval
  • Schedule drug test / DOT physical

New Hire Checklist

PDF

Pre-filled · Editable

RITTER & CO.Spreadsheet

Job Costing Sheet

Per-job profit calculation. Compare quoted vs actual.

CategoryQuotedActual

Job Cost Sheet

PDF

Pre-filled · Editable

Katie Ritter

Katie Ritter

Founder · Operations Lead

The Founder's Story

Hi, I'm Katie.

I spent more than seven years running the operations of a plumbing company — starting as a dispatcher and working my way up to operations and office manager. Every estimate, invoice, change order, SOP, HR form, and checklist in this bundle was created to solve real problems — not just look good.

You're not buying files. You're buying a proven system, built in the field, by someone who actually ran a service-trade business day-to-day.

7+

Yrs ops

100+

Templates

5

Trades

Template Gallery

Ready-to-use SOPs, scripts, spreadsheets, and content — written for plumbing, HVAC, electrical, roofing, and excavation contractors. Browse by category, preview every file, and download instantly after checkout.

Sample page from Contractor Mega Bundle
$97
134 files

Contractor Mega Bundle

Everything — 134 templates

The full Ritter & Co. library in one bundle. Every customer-facing document a service contractor needs (estimates, invoices, change orders, service agreements, warranties, completion certificates, deposit agreements, payment plans, material lists, work authorizations, follow-up emails) plus the complete Operations Manual, Office Manager Toolkit, Social Media, and Spreadsheet bundles.

View bundle
Sample page from Operations Manual Bundle
$89
9 files

Operations Manual Bundle

Run your shop like the big guys

Nine ready-to-use operating documents covering the back-office of a service-trade business — from SOPs and onboarding to dispatch, collections, and emergency response.

View bundle
Sample page from Office Manager Toolkit
$49
8 files

Office Manager Toolkit

Daily playbook + 4 working spreadsheets

Everything a contractor office manager needs to run a clean week — daily task list, employee file checklist, customer follow-up playbook, call scripts, and four working spreadsheets.

View bundle
Sample page from Social Media Bundle
$39
6 files

Social Media Bundle

90 days of content, written for trades

30 plumbing posts, 30 HVAC posts, and 30 electrical posts — each with hook, caption, hashtags, and image prompt. Plus a caption library, reels concepts, and Canva template guide.

View bundle
Sample page from Contractor Spreadsheet Bundle
$49
6 files

Contractor Spreadsheet Bundle

Six working spreadsheets for the numbers that matter

KPI dashboard, material markup calculator, revenue tracker, job costing sheet, monthly P&L, and technician scorecard — pre-built with the formulas in place.

View bundle
Sample page from Small Business Startup Bundle
$49
13 files

Small Business Startup Bundle

Everything you need to open the doors

The complete kit for launching a small business — formation checklist, entity guides, legal templates (operating agreement, contractor agreement, mutual NDA), financial worksheets (startup budget, 12-month cash flow, break-even, pricing), plus first-hire and launch-day checklists.

View bundle

Before & After

Stop reinventing the wheel every time you need a document.

Without Contractor OS

The old way

  • Creating paperwork from scratch
  • Inconsistent, off-brand documents
  • Forgetting forms mid-job
  • Slow, ad-hoc invoicing
  • Hours of admin every week
Recommended

With Contractor OS

The Ritter & Co. way

  • Ready-to-send in minutes
  • Consistent, professional branding
  • Organized system, nothing missed
  • Faster billing, faster cash
  • More time with customers (and family)
100% Free

FREE Contractor Starter Pack

Five of the most-used templates in a service contractor's office — clean, professional, and ready to drop into your business today.

  • Estimate template
  • Invoice template
  • Daily job sheet
  • Customer information form
  • Change order

Enter your email and you'll get instant access — plus 25% off your first bundle order and a few short emails from Katie introducing the full template library.

Send it to my inbox

No spam. Unsubscribe anytime.

By submitting you agree to receive a few helpful emails from Ritter & Co.

Featured · Free

TikTok Ads Quick-Start Checklist for Contractors

Account setup, first campaign targeting, trade-by-trade creative ideas, and the 7-day metric checklist to know if a channel is worth scaling. Plus how to claim up to $6,000 in TikTok ad credits.

Real urgency

Every hour spent making paperwork is an hour you aren't making money.

Get instant access to the complete Contractor Business System — 100+ customizable, branded, ready-to-use templates.

One-time payment · Lifetime access · 7-year plumbing-ops approved

Ready to Run a Tighter Business?

Send a message and we'll get back to you within one business day.

Katie Ritter · Founder & Operations Consultant · Northern Colorado