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. With Erro, you can calculate your item prices with a spreadsheets-like feel, allowing you to manage and adjust your profit, expenses, and taxes for every item you sell directly in your item library. Make your estimates smart, fast, and effortlessly accurate.
Streamline your sales process with powerful workflows.
Automated Emails, Follow-Ups, & Marketing
Automate communications and marketing campaigns to keep leads engaged and projects moving forward.
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 brand in real time.
See Multi-Team Management
Built-in CRM, Lead Forms, & Collaboration
Track leads, manage projects, and collaborate across all your brands — no more scattered tools.
See Built-in CRM
Product & Service Library
Build a catalog of offerings for each brand, 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 Emails, Follow-Ups, & Marketing
Automate communications and marketing campaigns to keep leads engaged and projects moving forward.
See Automated Emails
Built-in CRM, Lead Forms, & Collaboration
Track leads, manage projects, and collaborate across all your brands — no more scattered tools.
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 brand, 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 brand 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 Teams
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 smooth 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 a 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 new leads to grow your business pipeline. Effortlessly capture leads from multiple sources including web forms, phone calls, and referrals. Organize and prioritize leads to ensure your sales team focuses on the most promising opportunities. Integrate with marketing campaigns to maximize conversion rates and keep your pipeline full.

Lead Management
Track, nurture, and convert leads with powerful management tools. Monitor every interaction with your leads, assign follow-ups, and automate reminders. Use custom tags and statuses to segment leads and tailor your approach. Collaborate with your team to ensure no opportunity slips through the cracks.

Marketing Automation
Automate outreach and follow-ups to save time and boost conversions. Set up automated email campaigns, schedule follow-ups, and personalize communication at scale. Track engagement metrics to refine your messaging and improve results. Free up your team’s time while maintaining a consistent brand presence.

Product Library
Store and manage your products and services for quick access. Maintain a centralized catalog of all your products and services, complete with pricing, descriptions, and images. Quickly add items to estimates and invoices, ensuring accuracy and saving time. Easily update details as your offerings evolve.

Sales Templates
Create reusable templates for estimates, proposals, and more. Build professional templates for estimates, proposals, contracts, and other sales documents. Customize templates to match your branding and streamline your workflow. Reuse templates to ensure consistency and reduce manual entry.

Estimate Creation
Build accurate estimates quickly and send them to clients with ease. Generate detailed estimates using your product library and pricing rules. Share estimates with clients via email or direct link, and track their status in real time. Make revisions easily and convert accepted estimates into projects or invoices.

Invoices & Payments
Generate invoices and accept payments directly from your dashboard. Create professional invoices in seconds and send them to clients with integrated payment options. Track payment status, send reminders, and reconcile transactions automatically. Simplify your billing process and improve cash flow.

Change Orders
Easily manage and track change orders throughout your projects. Create, send, and approve change orders with clients, ensuring all modifications are documented and agreed upon. Update project scope, pricing, and timelines seamlessly, keeping everyone informed and projects on track.
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?