Effective Date: May 13, 2026
These Terms of Service govern access to and use of Pillar OS, including the website, application, platform, services, features, integrations, AI tools, and related support.
By accessing or using Pillar OS, you agree to these Terms. If you are using Pillar OS on behalf of a company, you represent that you have authority to bind that company to these Terms.
1. The Service
Pillar OS is a business operations platform designed for construction companies, remodelers, contractors, ADU builders, project managers, and related trade businesses.
The platform may support workflows related to leads, sales, proposals, projects, tasks, approvals, documents, expenses, invoices, payments, commissions, reporting, and business operations.
Pillar OS is a software tool. It does not replace professional judgment, licensed advice, legal review, accounting review, tax guidance, construction compliance review, or management responsibility.
2. Sales-Led Access
Access to Pillar OS may require approval by the platform owner.
Requesting access, submitting information, joining a waitlist, completing a demo, or starting onboarding does not guarantee access to the platform.
Pillar OS may approve, deny, suspend, limit, or revoke access at its discretion, subject to applicable law and any signed written agreement.
3. Accounts and Authorized Users
Customers are responsible for all activity under their accounts.
Customers must ensure that all users are authorized, properly trained, and using the platform in compliance with these Terms.
Customers are responsible for maintaining accurate user lists, permission settings, role assignments, and access controls.
Customers must promptly remove users who should no longer have access.
4. Subscriptions, Seats, and Billing
Pillar OS may charge subscription fees, seat fees, setup fees, onboarding fees, usage-based fees, integration fees, support fees, or other charges as described in an order form, checkout page, invoice, written agreement, or pricing page.
Unless otherwise agreed in writing:
- Billing is due according to the subscription terms selected or agreed.
- Fees are non-refundable once paid.
- Seat-based billing may apply to active users, accepted users, invited users, or other billing rules stated at checkout or in the customer's agreement.
- Pillar OS may update pricing, billing structure, features, or plans with notice where required.
Customer is responsible for taxes, payment processor fees, failed payment fees, chargebacks, and any amounts owed under the account.
5. Failed Payments and Suspension
If payment fails, is disputed, is reversed, or remains unpaid, Pillar OS may suspend, limit, or terminate access to the platform.
Pillar OS may also withhold exports, support, onboarding, or additional services until outstanding balances are resolved, subject to applicable law.
6. Customer Responsibilities
Customers are fully responsible for:
- The accuracy of all data entered into the platform.
- Project records, estimates, proposals, invoices, expenses, payments, commissions, and financial entries.
- Client communications and client-facing documents.
- Internal approvals and business decisions.
- Compliance with contractor licensing laws, employment laws, tax laws, accounting rules, privacy laws, construction laws, labor laws, consumer protection laws, and any other applicable rules.
- Reviewing all reports, calculations, summaries, AI outputs, templates, and generated content before use.
- Backing up critical business information outside the platform where appropriate.
Pillar OS is not responsible for losses caused by inaccurate customer data, user mistakes, unauthorized internal access, poor permission management, business decisions, or reliance on unreviewed outputs.
7. Acceptable Use
Customers and users may not:
- Use Pillar OS for unlawful, fraudulent, misleading, harmful, or abusive purposes.
- Attempt to access another customer's data.
- Bypass, disable, or interfere with security controls.
- Reverse engineer, copy, scrape, resell, or misuse the platform.
- Upload malware, viruses, harmful code, or illegal content.
- Use the platform to send spam or unauthorized communications.
- Misrepresent generated content as professionally reviewed if it was not reviewed.
- Use Pillar OS in a way that could damage the platform, other customers, third-party providers, or Pillar OS's reputation.
8. Customer Data
Customers retain ownership of the business data they submit into Pillar OS.
By using the platform, customers grant Pillar OS the right to host, process, store, transmit, display, analyze, and use customer data as needed to provide, support, secure, improve, and operate the platform.
Customer data may include client information, project details, financial workflow data, documents, photos, notes, estimates, invoices, expenses, and related business records.
9. Confidentiality
Pillar OS and the customer may each have access to confidential business information.
Each party agrees to use reasonable efforts to protect confidential information and not use it except for legitimate business, support, platform, legal, or operational purposes.
This does not apply to information that is publicly available, independently developed, lawfully received from another source, or required to be disclosed by law.
10. AI Features and Generated Content
Pillar OS may include AI-assisted tools.
AI outputs may include summaries, drafts, suggestions, reports, calculations, messages, scopes, workflows, and other generated content.
AI-generated content may be inaccurate, incomplete, outdated, or unsuitable for a specific use.
Customers are responsible for reviewing, editing, approving, and verifying all AI outputs before relying on them.
Pillar OS is not responsible for business losses, legal exposure, financial errors, client disputes, project issues, or compliance problems caused by reliance on AI-generated or automatically generated content.
11. Financial, Legal, Tax, Payroll, and Accounting Disclaimer
Pillar OS may help organize financial workflow information, expenses, invoices, payments, commissions, project budgets, reports, and business records.
Pillar OS does not provide legal, tax, accounting, payroll, financial, employment, construction compliance, or contractor licensing advice.
Customers must consult qualified professionals before making legal, tax, accounting, payroll, employment, financial, or compliance decisions.
12. Construction and Business Decisions
Pillar OS is not responsible for construction defects, project delays, change order disputes, client disputes, subcontractor performance, material costs, permit issues, inspection outcomes, licensing issues, jobsite conditions, safety incidents, or customer business decisions.
The customer remains solely responsible for running its business, managing projects, supervising employees and subcontractors, complying with laws, and making final decisions.
13. Third-Party Services
Pillar OS may connect with third-party services such as payment processors, hosting providers, database providers, email providers, AI providers, storage providers, analytics tools, CRMs, document tools, or other integrations.
Pillar OS is not responsible for third-party outages, errors, data loss, pricing changes, security incidents, service interruptions, or provider actions outside our control.
Use of third-party services may be subject to separate terms and privacy policies.
14. Platform Changes
Pillar OS may add, remove, modify, limit, rename, redesign, or discontinue features at any time.
Some features may be experimental, beta, founder-led, limited release, or subject to change.
Pillar OS does not guarantee that any specific feature, integration, workflow, report, automation, or design will remain available permanently.
15. Availability and Support
Pillar OS will use reasonable efforts to keep the platform available and functioning.
However, the platform may be unavailable due to maintenance, updates, outages, hosting provider issues, third-party service failures, internet issues, security events, or other circumstances.
Pillar OS does not guarantee uninterrupted or error-free operation.
Support may be provided by email, chat, onboarding sessions, or other methods at Pillar OS's discretion.
16. SMS Program Terms
Pillar OS may send operational SMS messages related to construction business workflows, including project updates, lead dispatch, daily log requests, scheduling, approvals, team coordination, subcontractor coordination, and related business communications.
SMS messages may be sent to customers, employees, representatives, subcontractors, vendors, or other business contacts when their mobile number is provided and they consent to receive operational text messages. Consent is optional and is not required as a condition of purchasing services.
Message frequency varies based on project activity, account activity, and enabled workflows.
Message and data rates may apply.
To stop receiving SMS messages, reply STOP. For help, reply HELP or contact support@pillaros.app.
Carriers are not liable for delayed or undelivered messages.
17. Data Export, Cancellation, and Retention
Customers may request a reasonable export of their business data during an active subscription or after cancellation, subject to technical limitations, account status, payment status, and legal obligations.
Cancellation does not automatically delete all data immediately.
Pillar OS may retain data as needed for backup, audit, tax, billing, security, legal compliance, fraud prevention, dispute resolution, or legitimate business purposes.
Pillar OS may delete inactive, canceled, suspended, or terminated account data after a reasonable retention period.
18. Termination
Pillar OS may suspend or terminate access if:
- The customer fails to pay.
- The customer violates these Terms.
- The customer creates security, legal, financial, reputational, or operational risk.
- The customer misuses the platform.
- The customer provides false or misleading information.
- Continued service is no longer commercially or operationally practical.
Upon termination, the customer must stop using the platform and pay any outstanding amounts owed.
19. Intellectual Property
Pillar OS, including its software, design, workflows, interface, branding, templates, structure, features, code, content, documentation, and platform concepts, is owned by Pillar OS or its licensors.
Customers may not copy, reproduce, resell, distribute, reverse engineer, or create competing products usingPillar OS's proprietary materials, except as allowed by law or written agreement.
Customer business data remains owned by the customer.
20. Feedback
If a customer provides feedback, suggestions, ideas, feature requests, improvements, or recommendations,Pillar OS may use them without restriction or compensation.
This includes using feedback to improve the platform, develop new features, modify workflows, or create commercial offerings.
21. Beta and Early Access
Some parts of Pillar OS may be provided as beta, pilot, early access, or founder-led launch features.
Beta and early access features may be incomplete, contain errors, change frequently, or be discontinued.
Customers use beta features at their own risk.
22. Disclaimer of Warranties
Pillar OS is provided on an "as is" and "as available" basis.
To the fullest extent permitted by law, Pillar OS disclaims all warranties, whether express, implied, statutory, or otherwise, including warranties of merchantability, fitness for a particular purpose, title, non-infringement, accuracy, availability, and error-free operation.
Pillar OS does not guarantee that the platform will meet every customer need, produce specific business results, prevent mistakes, increase revenue, reduce costs, or eliminate operational risk.
23. Limitation of Liability
To the fullest extent permitted by law, Pillar OS, its owners, officers, employees, contractors, affiliates, vendors, and service providers will not be liable for indirect, incidental, special, consequential, exemplary, or punitive damages.
This includes lost profits, lost revenue, lost business opportunities, lost data, project delays, client disputes, payment issues, financial errors, legal exposure, reputational harm, or business interruption.
To the fullest extent permitted by law, Pillar OS's total liability for any claim will not exceed the amount paid by the customer to Pillar OS during the three months before the event giving rise to the claim, or $100, whichever is greater.
24. Indemnification
Customer agrees to defend, indemnify, and hold harmless Pillar OS, its owners, employees, contractors, affiliates, vendors, and service providers from claims, damages, losses, liabilities, costs, and expenses arising from:
- Customer's use of the platform.
- Customer's business operations.
- Customer's data, documents, communications, or content.
- Customer's violation of these Terms.
- Customer's violation of law.
- Customer's client, employee, subcontractor, vendor, or third-party disputes.
- Customer's reliance on platform outputs, reports, calculations, or AI-generated content.
25. Governing Law
These Terms are governed by the laws of the State of California, without regard to conflict of law rules.
Any dispute will be handled in the state or federal courts located in California, unless a separate written agreement says otherwise.
26. Changes to These Terms
Pillar OS may update these Terms from time to time.
Updated Terms may be posted on the website or provided through the platform. Continued use of Pillar OSafter changes are posted means the customer accepts the updated Terms.
27. Contact
Questions about these Terms can be sent to: