Who should sign the SOW?

Authorized representatives from both parties must sign. For companies, the signer should be an officer or an employee with delegated contracting authority; for sole proprietors use the owner's legal name. Verify signatory authority before execution to avoid enforceability challenges.

Is an electronic signature valid?

Yes. Electronic signatures are generally valid under the ESIGN Act and UETA when intent, consent, attribution, and record retention requirements are met. Exceptions exist for a few document types; confirm whether the specific SOW or related attachments fall into statutory exceptions.

Do I need a notary or witness?

Most Professional Services Statement of Work documents do not require notarization or witnesses. Certain state-specific clauses or attachments, such as deeds, powers of attorney, or health authorizations, may require notarization; verify state law for related documents and obtain notarization when legally necessary.

How should I handle change orders?

Include a change control section describing approval steps, pricing adjustments, schedule impacts, and documentation required. Require written approval and signatures for all scope changes. Track change orders as numbered amendments and attach them to the original SOW for audit and billing clarity.

What records should I retain?

Retain the executed SOW, amendments, acceptance certificates, invoices, and related correspondence. Follow retention requirements for financial and regulated records: at least three years for tax documents and six years for HIPAA-related records. Maintain tamper-evident copies of signed PDFs and audit trails.

How to verify signer identity?

Use identity verification appropriate to transaction risk: email verification for low-risk, SMS or one-time passcodes for moderate risk, and knowledge-based authentication or multi-factor authentication for high-value or regulated engagements. Preserve authentication evidence in the audit trail for enforceability.

Electronic Signature
Templates
Legal
Professional Services Statement of Work

Professional Services Statement of Work

This template is fully customizable. Edit the text, fill out the fields, and send it for signature. Give it a try!

PROFESSIONAL SERVICES STATEMENT OF WORK

This Statement of Work (this Statement) is entered into as of Effective Date: by and between Service Provider Name: with principal address and Client Name: with principal address .

RECITALS

WHEREAS, Service Provider is engaged in the business of providing professional services in the area described in Section 1 below and possesses the qualifications, experience and staffing to perform the services contemplated by this Statement;

WHEREAS, Client desires to engage Service Provider to perform certain professional services, and Service Provider is willing to provide such services on the terms and conditions set forth herein; and

WHEREAS, the parties intend for this Statement to set forth the specific services, deliverables, schedule and compensation applicable to the engagement described herein.

NOW, THEREFORE, in consideration of the mutual covenants and promises contained herein, the parties agree as follows:

1. SCOPE OF SERVICES

1.1 Services. Service Provider shall perform the professional services described in the Service Description below (the Services). The Services shall be performed in accordance with the specifications, schedules and performance standards set forth in this Statement.

Service Description

1.2 Project Personnel. Service Provider shall assign qualified personnel to perform the Services. Primary Project Manager (Service Provider): ; Primary Client Representative: .

2. DELIVERABLES AND ACCEPTANCE

2.1 Deliverables. Service Provider shall deliver the following deliverables in accordance with the schedule and acceptance criteria set forth below.

Deliverables, Milestones and Acceptance Criteria

2.2 Acceptance. Client shall have a period of days from delivery to inspect and either accept or reject a Deliverable for material non-conformance with the applicable acceptance criteria. If Client does not provide written notice of rejection within such period, the Deliverable shall be deemed accepted.

3. FEES, EXPENSES AND PAYMENT

3.1 Fees. Client shall pay Service Provider the fees set forth in this Section. The Fee Structure is:

Fee Structure and Rates

3.2 Expenses. Client shall reimburse Service Provider for reasonable and pre-approved out-of-pocket expenses incurred in connection with the performance of the Services. Reimbursable expense types and limits are described here:

3.3 Invoicing and Payment. Service Provider shall submit invoices in accordance with the schedule below. Client shall pay invoices in full within days of receipt. Late payments shall accrue interest at the lesser of 1.5% per month or the maximum rate permitted by law.

Invoice Schedule and Billing Address

4. TERM AND TERMINATION

4.1 Term. The term of this Statement shall commence on the Effective Date and shall continue for a period of unless earlier terminated in accordance with this Section.

4.2 Termination for Convenience. Either party may terminate this Statement for convenience upon days' prior written notice to the other party, subject to payment for Services performed and expenses incurred through the effective date of termination.

4.3 Termination for Cause. Either party may terminate this Statement for material breach if such breach remains uncured for a period of days after receipt of written notice specifying the breach in reasonable detail.

5. CHANGE ORDERS

5.1 Any changes to the scope, schedule or fees shall be implemented only by a written Change Order signed by authorized representatives of both parties. Each Change Order shall describe the change, any adjustments to fees or schedule, and the effective date of the change.

6. CONFIDENTIALITY

6.1 Definition. "Confidential Information" means non-public information disclosed by one party to the other, whether marked confidential or apparent from context.

6.2 Obligations. Receiving party shall: (a) use Confidential Information solely to perform this Statement; (b) protect Confidential Information with the same degree of care it uses to protect its own confidential information but no less than reasonable care; and (c) not disclose Confidential Information to third parties except to its employees, contractors and advisors who have a need to know and who are bound by confidentiality obligations no less protective than those herein.

6.3 Exceptions and Survival. Confidentiality obligations do not apply to information that is publicly known, rightfully received from a third party without restriction, independently developed, or required to be disclosed by law. Confidentiality obligations survive termination of this Statement for three (3) years, or longer if required by applicable law for specific categories of information.

7. INTELLECTUAL PROPERTY

7.1 Pre-Existing Materials. Each party retains all right, title and interest in and to its pre-existing intellectual property and tools, including any general know-how, techniques and methodologies (Pre-Existing Materials).

7.2 Deliverables. Subject to Client's payment of all amounts due, Service Provider grants Client a perpetual, non-exclusive, worldwide license to use, reproduce and modify the Deliverables for Client's internal business purposes. Service Provider retains ownership of all Service Provider Pre-Existing Materials and any residuals.

8. WARRANTIES; DISCLAIMER

8.1 Performance Warranty. Service Provider warrants that the Services will be performed in a professional and workmanlike manner consistent with industry standards. For any breach of this warranty, Service Provider's sole obligation, and Client's exclusive remedy, shall be re-performance of the deficient Services at no additional cost or, if Service Provider cannot remedy the breach within a commercially reasonable period, a refund of amounts paid for the deficient Services.

8.2 DISCLAIMERS. EXCEPT FOR THE EXPRESS WARRANTIES SET FORTH IN SECTION 8.1, THE SERVICES AND DELIVERABLES ARE PROVIDED "AS IS" AND SERVICE PROVIDER EXPRESSLY DISCLAIMS ALL OTHER WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.

9. INDEMNIFICATION

9.1 By Service Provider. Service Provider shall indemnify, defend and hold Client and its officers, directors and employees harmless from and against any third-party claims to the extent arising from Service Provider's gross negligence, willful misconduct or material breach of this Statement.

9.2 By Client. Client shall indemnify, defend and hold Service Provider harmless from and against any third-party claims arising from Client's use of the Deliverables other than as authorized by this Statement, or Client's material breach of this Statement.

10. LIMITATION OF LIABILITY

10.1 CAP ON LIABILITY. EXCEPT FOR LIABILITY ARISING FROM A PARTY'S GROSS NEGLIGENCE, WILLFUL MISCONDUCT, OR BREACH OF CONFIDENTIALITY OR INDEMNITY OBLIGATIONS, IN NO EVENT SHALL EITHER PARTY'S AGGREGATE LIABILITY ARISING OUT OF OR RELATED TO THIS STATEMENT EXCEED THE AMOUNTS ACTUALLY PAID BY CLIENT TO SERVICE PROVIDER UNDER THIS STATEMENT DURING THE SIX (6) MONTHS PRECEDING THE EVENT GIVING RISE TO THE CLAIM.

11. INSURANCE

11.1 Insurance. Service Provider shall maintain commercial general liability and professional liability insurance with limits customary for the industry. Upon request, Service Provider shall provide certificates of insurance evidencing such coverage.

12. NOTICES

12.1 All notices required or permitted under this Statement shall be in writing and delivered to the addresses set forth below or to such other address as a party may designate in writing pursuant to this Section. Notices shall be deemed given when delivered by hand, by certified mail, or by nationally recognized overnight courier.

Service Provider Notice Contact Client Notice Contact

13. AMENDMENTS; WAIVER; COUNTERPARTS

13.1 Amendments. No amendment to this Statement shall be effective unless in writing and signed by authorized representatives of both parties.

13.2 Waiver. No failure or delay by either party in exercising any right shall operate as a waiver of that right. A waiver must be in writing.

13.3 Counterparts. This Statement may be executed in counterparts, each of which shall be deemed an original and all of which together shall constitute one instrument. Signatures delivered by electronic means shall be binding.

14. GOVERNING LAW; ENTIRE AGREEMENT; SEVERABILITY

14.1 Governing Law. This Statement and any dispute arising out of or relating to it shall be governed by the laws of the jurisdiction specified below, without regard to conflict of law principles.

14.2 Entire Agreement. This Statement, together with any exhibits or Change Orders executed in accordance with Section 5, constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior and contemporaneous agreements, proposals and communications, whether written or oral.

14.3 Severability. If any provision of this Statement is held to be invalid or unenforceable, such provision shall be reformed only to the extent necessary and the remaining provisions shall continue in full force and effect.

ADDITIONAL TERMS

Special Terms or Attachments

Service Provider:

By:

Date:

Client:

By:

Date:

What a Professional Services Statement of Work Does

Professional Services Statement of Work (SOW) is a project-level contract that specifies the scope, deliverables, schedule, acceptance criteria, roles and responsibilities, and pricing for a professional services engagement. It documents assumptions, milestones, resource commitments, change control procedures, and payment terms so both parties share clear expectations. The Professional Services Statement of Work supports project governance, dispute resolution, invoicing, and acceptance testing, and is commonly used across IT, consulting, construction, and professional services to reduce ambiguity and manage performance throughout the contract lifecycle.

Why a Clear SOW Matters

A Professional Services Statement of Work gives both parties a measurable baseline for delivery, payment, and acceptance. It lowers project risk by documenting assumptions, change control, and performance metrics, making disputes easier to resolve and enabling consistent invoicing and audit-ready recordkeeping.

Who Typically Prepares and Uses an SOW

Typical users include corporate procurement, project managers, outside consultants, and legal teams who manage scope and billing.

Professional services firms such as consultants, engineers, or agencies delivering billed services under defined milestones.
Enterprises procuring external work and needing clear acceptance criteria and invoicing controls.
Legal and contract teams creating change control, IP, and liability provisions within the SOW.

Use a Professional Services Statement of Work whenever scope, timeline, budget, or acceptance require formal documentation between parties.

Key Roles Involved in an SOW

Project Manager

Project Managers prepare and manage the SOW, track milestones, coordinate stakeholders, and monitor acceptance criteria. They ensure deliverables meet standards, escalate issues, and verify completion before forwarding for invoicing and archival.

Procurement Director

Procurement or sourcing teams negotiate payment terms, acceptance language, and warranty clauses. They centralize contracts, enforce template use, and coordinate legal review to reduce financial exposure and ensure vendor compliance.

Core Sections to Include in a Professional Services Statement of Work

Core sections of a Professional Services Statement of Work define scope, schedule, responsibilities, acceptance, pricing, and change control to ensure measurable delivery.

Scope

Clearly describe deliverables, tasks, and exclusions with measurable acceptance criteria. Use attachments or exhibits for technical specifications and avoid vague language that could create disputes over responsibilities or deliverable quality.

Schedule

List milestones, delivery dates, and dependencies. Define time zones and working days, show lead times for approvals, and include remedies or liquidated damages if applicable to encourage timely performance.

Roles

Identify responsibilities for client and provider, escalation paths, single points of contact, and resource commitments. Specify subcontractor use and any required approvals for third-party personnel.

Pricing

State fixed fees, time-and-materials rates, expense reimbursement rules, invoicing schedule, and payment terms. Clarify taxes, reimbursable costs, and currency to prevent billing disputes and late payment penalties.

Acceptance

Define objective acceptance tests, review periods, and remedy windows. Require written sign-off or automated acceptance criteria to trigger final payment and close the deliverable formally.

Change Control

Specify procedures for submitting change requests, approval authorities, impact assessments, and pricing adjustments. Number amendments and attach them to the SOW to preserve auditability and traceability.

Step-by-Step: Prepare and Execute the SOW

Follow this sequence to prepare, review, and finalize a Professional Services Statement of Work for signature and execution.

01

Prepare Draft: List scope, deliverables, schedule, resources, and assumptions.
02

Internal Review: Review legal, finance, and project inputs for accuracy.
03

Client Review: Share draft with client; log comments and required changes.
04

Sign & Archive: Obtain signatures, date the document, and store final copy.

How Digital Signing Works for SOW Approval

Digital signing streamlines SOW approval by combining document routing, signer authentication, and audit trail capture into a single workflow.

Upload Document: Add finalized SOW file to the platform
Place Fields: Insert signature, date, and initial fields
Authenticate Signers: Choose email, SMS, or stronger methods
Complete Audit: Receive signed PDF and a detailed audit log

Configure an Electronic Workflow for the SOW

Configure a signing workflow to enforce required fields, authentication, and routing before sending the Professional Services Statement of Work for signature.

Field	Configuration
Authentication	Email link, SMS OTP, or KBA per risk level
Routing	Sequential or parallel signer order
Required Fields	Signature, date, initials, acceptance checkbox
Retention	Store signed PDF with audit trail

Technical Requirements for Electronic Execution

Use a platform that supports PDF, Word DOCX, and secure e-signature workflows with audit logs.

File Formats: PDF, DOCX, and Excel supported
Integrations: Salesforce, NetSuite, Google Workspace
Authentication: SSO, SMS codes, KBA options

eSignature Plan Comparison for Executing an SOW

Side-by-side plan details for eSignature providers commonly used to execute Professional Services Statement of Work documents; compare pricing, features, and compliance options.

	signNow	DocuSign	Adobe Sign	PandaDoc	HelloSign
Starting Price	$8/user/mo	$15/user/mo	$14/user/mo	$19/user/mo	$15/user/mo
Free Trial	7-day free trial	Varies by plan	Varies by plan	Varies by plan	Varies by plan
Bulk Send	Yes	Yes	Yes	Yes	No
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes	Yes	Yes	No	No

How an SOW Differs from a Master Services Agreement

Compare Professional Services Statement of Work with related contract types to determine appropriate document structure and legal function.

Document	SOW	MSA
Purpose	project-specific	relationship-level
Scope Level	detailed	broad
Pricing	milestone/task	master rates
Amendments	sow-specific	consolidated

Key Timing and Deadline Considerations

Key timing considerations for SOW execution, invoicing, and record retention tied to contract milestones and tax reporting.

Effective date of the SOW:

Use MM/DD/YYYY format for clarity

Milestone acceptance windows:

Define review period and acceptance criteria

Invoice submission timing:

Tie invoices to accepted milestones

Retention start date:

Count retention from execution or invoice date

Tax reporting deadlines:

Maintain records to satisfy three-year IRS retention

Lifecycle Milestones from Draft to Archive

Milestones from draft to closure show key administrative and approval steps for SOW lifecycle management.

01

Draft Prepared

Author compiles scope, deliverables, and schedule

02

Internal Approval

Legal and finance approve terms before client review

03

Client Sign-off

Client signs; capture signature date and acceptance

04

Archive & Audit

Store signed SOW and audit trail for compliance

Security and Compliance Considerations

In-Transit Encryption: Encrypted in transit using TLS 1.2 and 1.3

At-Rest Encryption: AES-256 encryption for stored data

Security Certifications: SOC 2 Type II, ISO 27001, PCI DSS

HIPAA Compliance: HIPAA compliant with BAA available

Audit Trail: Detailed timestamped audit logs retained

21 CFR Support: Supports 21 CFR Part 11 controls

Principal Risks and Potential Consequences

Payment Disputes: Delayed or withheld payment

Scope Creep: Unbilled work increases costs

Contract Breach: Exposure to damages

Backup Withholding: Backup withholding risk

Regulatory Noncompliance: HIPAA or export violations

Termination Costs: Early termination fees possible

Common Preparation Mistakes to Avoid

Vague deliverables or missing acceptance criteria lead to disputes and delay final payment; specify measurable outputs and objective acceptance tests.
Failing to align invoicing milestones with acceptance events causes billing disagreements; set clear invoice triggers and required supporting documentation.
Using informal signature methods without authentication can weaken enforceability; capture intent, identity, and retention evidence in the audit trail.
Overlooking change-control creates unpaid work and schedule overruns; require written approvals and price or schedule adjustments before commencing changed tasks.

Practical Tips for Accurate and Efficient SOW Completion

Practical tips improve accuracy and reduce negotiation time when preparing a Professional Services Statement of Work.

Use clear, measurable acceptance criteria

Define pass/fail tests for each deliverable, include sample deliverable formats where applicable, set review periods, and specify sign-off authority. Objective criteria prevent subjective disputes and allow invoicing to proceed promptly when milestones are met.

Align invoices with acceptance events

Draft invoice schedules tied to accepted milestones. Require supporting evidence such as acceptance certificates or QA reports to reduce payment disputes. Clarify who approves invoices and expected payment terms including late fee policies to avoid cash-flow interruptions.

Document change control and approvals

Mandate written change requests with impact analysis and signed approvals. Include an approval matrix identifying who can authorize scope, schedule, and budget changes. Number amendments and attach them to preserve an auditable contract history.

Verify signer authority and identity

Confirm signers have authority to bind their organization. For high-value or regulated contracts use multi-factor or knowledge-based authentication and retain authentication records in the audit trail. Store signed SOWs in tamper-evident format for legal defensibility.

Real-World Examples of SOW Use

Examples show how organizations use a Professional Services Statement of Work across projects and industries.

Optica Ventures (COO)

Optica Ventures replaced paper approvals with online SOW execution, reducing administrative steps and shortening contract turnaround times.

Resulted in faster client acceptance and billing.
The company retained complete signed records and audit trails, which improved compliance and simplified invoice reconciliation. Project managers gained visibility into milestone acceptance without manual follow-up, cutting administrative overhead significantly.

Martin Properties (Founder)

Martin Properties processed lease and vendor SOWs online to meet closing schedules and handle remote signers across mobile devices.

Enabled compliant mobile signing and offline work.
Having signed, tamper-evident PDFs with timestamps reduced in-person meetings and ensured each executed SOW could be produced for audits. The business noted improved contract visibility and faster payment cycles with reduced disputes.

Frequently Asked Questions about Professional Services Statement of Work

Answers to frequent questions about preparing, signing, and maintaining a Professional Services Statement of Work.

Need help? Contact support

Who should sign the SOW?
Authorized representatives from both parties must sign. For companies, the signer should be an officer or an employee with delegated contracting authority; for sole proprietors use the owner's legal name. Verify signatory authority before execution to avoid enforceability challenges.
Is an electronic signature valid?
Yes. Electronic signatures are generally valid under the ESIGN Act and UETA when intent, consent, attribution, and record retention requirements are met. Exceptions exist for a few document types; confirm whether the specific SOW or related attachments fall into statutory exceptions.
Do I need a notary or witness?
Most Professional Services Statement of Work documents do not require notarization or witnesses. Certain state-specific clauses or attachments, such as deeds, powers of attorney, or health authorizations, may require notarization; verify state law for related documents and obtain notarization when legally necessary.
How should I handle change orders?
Include a change control section describing approval steps, pricing adjustments, schedule impacts, and documentation required. Require written approval and signatures for all scope changes. Track change orders as numbered amendments and attach them to the original SOW for audit and billing clarity.
What records should I retain?
Retain the executed SOW, amendments, acceptance certificates, invoices, and related correspondence. Follow retention requirements for financial and regulated records: at least three years for tax documents and six years for HIPAA-related records. Maintain tamper-evident copies of signed PDFs and audit trails.
How to verify signer identity?
Use identity verification appropriate to transaction risk: email verification for low-risk, SMS or one-time passcodes for moderate risk, and knowledge-based authentication or multi-factor authentication for high-value or regulated engagements. Preserve authentication evidence in the audit trail for enforceability.

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