Custom Sales Just Got Easier
Build, price, and manage your offerings with a spreadsheet-like feel that adapts to your business. From leads to invoicing, and everything in between.

Say goodbye to pricing headaches
Pricing your custom products and services shouldn't require a PhD in spreadsheets. Erro gives you the power to manage and adjust profit, expenses, and taxes for every item — all directly in your item library. Make your estimates smart, fast, and effortlessly accurate.
Streamline your sales process with powerful workflows.
Automated Email Campaigns
Automate marketing campaigns to keep leads engaged and close more deals.
See Automated Emails
Dynamic Estimates & Proposals
Create branded templates that calculate budgets, margins, and options automatically.
See Dynamic Estimates
Multi-Team Management
Monitor costs, profitability, and performance for every team in real time.
See Multi-Team Management
Built-in CRM with Custom Lead Forms
Create, manage, and track leads and clients all in one place with built-in CRM.
See Built-in CRM
Product & Service Library
Build a catalog of offerings for each team, with formulas, costs, and dependencies — all with the flexibility of a spreadsheet
See Product Library
Invoices & Change Orders
Create, send, and track, invoices and change orders with ease — all in one place.
See Proposals & Change Orders
Streamline your sales process with powerful workflows.
Automated Email Campaigns
Automate marketing campaigns to keep leads engaged and close more deals.
See Automated Emails
Built-in CRM with Custom Lead Forms
Create, manage, and track leads and clients all in one place with built-in CRM.
See Built-in CRM
Dynamic Estimates & Proposals
Create branded templates that calculate budgets, margins, and options automatically.
See Dynamic Estimates
Product & Service Library
Build a catalog of offerings for each team, with formulas, costs, and dependencies — all with the flexibility of a spreadsheet
See Product Library
Multi-Team Management
Monitor costs, profitability, and performance for every team in real time.
See Multi-Team Management
Invoices & Change Orders
Create, send, and track, invoices and change orders with ease — all in one place.
See Proposals & Change Orders
Ready to streamline your sales process?
Get started with Erro today and see how easy it is to build your own workflow.
Built for businesses that need flexibility
Whether you’re a builder, manufacturer, or service provider, Erro adapts to your sales process — not the other way around.
Custom Home Builders
Easily manage client selections, proposals, and change orders. Stay organized from initial contact to project completion.
Learn MoreTrades & Construction
Simplify quoting, scheduling, and communication for any project. Cut down on paperwork and secure more contracts.
Learn MoreFabricators & Manufacturers
Process custom orders, track changes, and automate approvals. Generate precise quotes and keep production on track.
Learn MoreDesign & Build Firms
Work seamlessly with clients and partners, manage design updates, and maintain a steady project pipeline.
Learn MoreAgencies & Consultants
Tailor your workflow for proposals, onboarding, and project management. Deliver a seamless experience for your clients.
Learn MoreTeams looking to modernize sales
Eliminate manual processes. Create workflows that adapt to your business, not the other way around.
Learn MoreYour product library, reimagined.
Erro’s library isn’t just a database — it’s a flexible builder. Add formulas, link costs, set base and optional items, and sell à la carte or as packages with bundled pricing.
- Create dependencies and formulas between items
- Automate cost rollups and margin tracking
- Save reusable templates for recurring work
- Manage multiple brands or product lines from one workspace
Everything your team needs to stay in sync.
From leads to invoices, Erro keeps your team aligned. Built-in CRM and project management tools help you track clients, assign tasks, and stay updated on every job.

Lead Generation
Capture and organize leads to grow your pipeline. Collect leads from web forms, phone calls, and referrals, then prioritize them so your sales team can focus on the best opportunities. Integrate with marketing campaigns to maximize conversions and keep your pipeline full.

Lead Management
Track, nurture, and convert leads with powerful management tools. Monitor every interaction, use custom tags and statuses to segment leads, and collaborate with your team to ensure no opportunity slips through the cracks.

Marketing Automation
Automate outreach to save time and boost conversions. Set up email campaigns, schedule follow-ups, and use custom email templates to maintain a consistent brand presence and streamline communications at scale.

Product Library
Centralize all your offerings with up-to-date pricing, tax profiles, and budget tracking. Add items to estimates, proposals, and invoices with accuracy, without relying on spreadsheets or manual calculations.

Sales Templates
Build reusable templates for all your sales documents, including estimates and proposals. Support complex assemblies, base and option pricing, and item groupings. Save, update, and copy templates to streamline workflows, reduce errors, and accelerate sales cycles.

Estimate Creation
Create accurate estimates in minutes using templates and live pricing from your product library. Adjust items, quantities, and pricing with confidence, then send proposals directly from your estimates to clients for faster approvals.

Invoices & Payments
Generate invoices from proposals and record payments seamlessly. Automate billing notifications, track payment status, and manage recurring or scheduled invoices—all from a single dashboard.

Change Orders
Manage change orders efficiently by linking them directly to estimates and proposals. Track payments and current pricing, update line items easily, and keep your team informed with dashboard visibility and automated approval workflows.
Ready to streamline your sales process?
Get started with Erro today and see how easy it is to build your own workflow.
Frequently Asked Questions
Do I need to install anything to use Erro?
How do I get started with Erro?
Can I change my subscription plan later?
Is Erro suitable for small businesses?
How is billing managed?
Does Erro offer customer support?
Can I import my existing data into Erro?
Is my data secure with Erro?