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Business IS Letter

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BUSINESS IS LETTER

This Business IS Letter and Services Agreement (the "Agreement") is made effective as of by and between Client Name: and Provider Name: .

WHEREAS

WHEREAS, Client operates a business engaged in and requires information systems, software, or related consulting services to support operations; and

WHEREAS, Provider represents that it has the expertise, personnel, and resources necessary to perform the information systems services and deliverables described herein; and

WHEREAS, the parties wish to set forth the scope, payment terms, confidentiality obligations, and other material terms governing their relationship.

PARTIES & CONTACT INFORMATION

Sole Proprietor Corporation LLC Partnership

SCOPE OF WORK

Provider shall perform the information systems services and deliverables described below. The parties acknowledge that the description must be sufficiently detailed to permit performance and acceptance testing.

PAYMENT TERMS

Client shall pay Provider for services performed in accordance with this Agreement as set forth below.

Provider shall submit invoices in writing. Client must pay undisputed amounts within the agreed payment due period. Disputed amounts must be raised in writing within five (5) business days of receipt of an invoice, and the parties shall cooperate to resolve any dispute promptly.

TERM AND TERMINATION

This Agreement shall commence on and shall continue until unless earlier terminated as provided herein.

Upon termination, Client shall pay Provider for all work performed and expenses incurred through the effective date of termination, subject to any set-offs for material breaches by Provider.

CONFIDENTIALITY

"Confidential Information" means non-public information disclosed by one party to the other that is designated as confidential or that reasonably should be understood to be confidential given the nature of the information. Each receiving party shall: (a) use Confidential Information solely to perform under this Agreement; (b) protect Confidential Information with at least 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 any third party except to those employees, contractors, or advisors who need access to perform this Agreement and who are bound by confidentiality obligations no less restrictive than those contained herein.

Confidentiality obligations shall survive termination for a period of three (3) years, except for trade secrets, which shall remain protected for as long as they qualify as trade secrets under applicable law.

GOVERNING LAW

This Agreement shall be governed by and construed in accordance with the laws of the State of without regard to its conflict of laws principles. Exclusive venue for any dispute arising under this Agreement shall be the state or federal courts located within that state.

ENTIRE AGREEMENT

This Agreement, including its exhibits and any written statements of work executed under it, constitutes the entire agreement between the parties with respect to its subject matter and supersedes all prior and contemporaneous agreements, proposals, negotiations, and communications, whether oral or written. Any amendment or modification must be in writing and signed by authorized representatives of both parties.

MISCELLANEOUS PROVISIONS

Relationship of the Parties: Provider is an independent contractor and nothing in this Agreement creates an employment, joint venture, agency, or partnership relationship. Provider is responsible for all taxes and benefits of its personnel.

Assignment: Neither party may assign this Agreement without the prior written consent of the other, except that either party may assign to an affiliate or in connection with a sale of substantially all of its assets or business.

Limitation of Liability: Except for breaches of confidentiality, willful misconduct or gross negligence, neither party shall be liable to the other for consequential, incidental, special, or punitive damages. The total aggregate liability for claims arising out of or related to this Agreement shall not exceed the total fees paid to Provider under this Agreement in the twelve (12) months preceding the claim.

Client Printed Name:

By:

Date:

Provider Printed Name:

By:

Date:

Enter text✕
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What a Business IS Letter Is and when organizations use it

A Business IS Letter is a formal written attestation an organization provides to a third party about information security, controls, or specific business facts. It typically confirms the existence of policies, the status of security controls, contact points, or the accuracy of discrete facts requested during vendor due diligence, contracting, or regulatory review. The letter is a concise, signed document that establishes accountability and a clear snapshot of the condition or representation being attested to at a specific effective date.

Why a clear Business IS Letter matters

A precise IS letter reduces ambiguity in vendor screening, supports contract negotiations, and documents representations that counterparties rely on. It can shorten procurement cycles and provide documented evidence for audits or regulatory inquiries.

Why a clear Business IS Letter matters

Who typically requests or provides a Business IS Letter

Match the letter’s level of detail to the requester’s needs—procurement often needs high-level confirmations while auditors may require specific control evidence.

  • Vendors and suppliers who must demonstrate controls to enterprise buyers during procurement and security reviews.
  • Third-party risk teams and procurement officers seeking documented attestations before onboarding a vendor.
  • Internal compliance, legal, or security teams that produce or verify the letter when responding to external requests.

Core elements to include in a professional Business IS Letter

A well-formed Business IS Letter is structured, dated, signed by an authorized representative, and limits statements to verifiable facts. Include context, scope, limitations, and contact information for follow-up questions.

Scope statement

Define precisely what systems, time period, or policies the attestation covers and state any exclusions so the recipient understands the letter’s boundaries and cannot infer broader guarantees.

Effective date

State the specific effective date for the facts represented; this anchors the attestation and clarifies whether the letter addresses current status, a historical period, or a future commitment.

Authorized signer

Identify the signatory by name and title and confirm they have authority to represent the organization; include a brief description of their role to connect authority to subject matter.

Factual assertions

List factual, verifiable statements (for example, 'Encryption at rest is enabled for customer data stored in AWS') rather than broad promises or marketing language.

Limitations and disclaimers

Include narrowly tailored limitations on reliance, confidentiality notes, and a statement that the letter does not replace formal audit reports such as SOC or ISO certifications.

Contact and verification

Provide a point of contact, title, phone, and email for verification requests and note whether additional documentation (policies, SOC reports) can be shared under NDA.

Required data points to record on the letter

Company name: Legal entity name
Recipient: Name of requesting organization
Subject: Attestation topic
Effective date: MM/DD/YYYY
Signer: Name and title
Contact: Phone and email

Step-by-step: prepare, sign, and deliver the letter

Follow these sequential steps to create a compliant, verifiable Business IS Letter and avoid common delays.

  • 01
    Draft content: Assemble factual statements and scope
  • 02
    Internal review: Legal and security vet the draft
  • 03
    Obtain signature: Authorized representative signs
  • 04
    Deliver: Send via agreed method

Where to send or file a completed Business IS Letter

Determine the recipient’s requested delivery method before sending; include tracking or verifiable receipt when possible.

  • Email delivery: Send signed PDF to named contact
  • Secure portal: Upload to vendor portal if provided
  • Postal delivery: Use certified mail for legal receipt
  • Platform upload: Attach to compliance or procurement systems

Digital signing and technical delivery options

Use an eSignature platform that supports audit logs, optional two-factor signer authentication, and RON where a notarized attestation is required.

  • PDF: Standard portable format
  • eSignature: Audit trail + signer attribution
  • Notarization: When requested or required

How to configure an online workflow for this letter

Map the electronic workflow settings to reduce back-and-forth and ensure the signer is properly authenticated.

Field Configuration
Signer authentication Email link or SMS OTP
Signature placement Signature + printed name + date
Attachments Include SOC summary or evidence
Audit retention Store certificate with document

Practical tips for accurate and efficient Business IS Letters

Apply these practices to minimize review cycles and ensure the letter is reliable for recipients.

Be precise
Use concrete, verifiable language rather than vague promises; list systems, dates, and specific controls when relevant.
Limit scope
Avoid blanket statements. Define what is covered and what is excluded to reduce legal exposure and misinterpretation.
Maintain evidence
Retain supporting records and be ready to produce summaries or redacted reports under existing confidentiality agreements.
Use audit-capable signing
Choose an eSignature workflow that preserves timestamps, IP addresses, and signer authentication data for future verification.

Common mistakes that delay acceptance

  • Overly broad language that invites follow-up clarifications and liability disputes.
  • Missing or inconsistent effective dates that make the attestation uncertain.
  • Signer lacks apparent authority or title information, prompting identity checks.
  • Failure to provide or reference supporting documentation requested by the recipient.

Potential risks and consequences of incorrect or misleading attestations

Contract risk: May void representations
Regulatory exposure: Increased enforcement risk
Reputational harm: Trust with partners reduced
Liability claims: Possible breach of warranty
Operational delays: Onboarding or procurement blocked
Financial penalties: Fines or damages possible

How organizations use Business IS Letters in practice

Real-world examples show practical formats and outcomes when organizations provide concise attestations in procurement or partnership contexts.

Optica Ventures LLC

Optica needed a concise vendor attestation to complete a customer onboarding

  • Their COO confirmed specific controls and provided contact details
  • The simple, focused letter reduced follow-up requests and enabled faster contract execution while preserving confidentiality.

Martin Properties

A property manager required proof of vendor data handling practices

  • The founder provided a dated attestation and SOC summary availability
  • The documented response satisfied the procurement team and shortened the approval cycle for on-site services.

eSignature vendor comparison for signing Business IS Letters

Compare basic vendor pricing and capabilities relevant to executing and storing signed Business IS Letters. Confirm plan details and enterprise terms with each vendor.

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 Varies Varies Varies
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No

Frequently asked questions about Business IS Letters and digital signing

Answers to common questions about format, authority, e-signature validity, and records retention for Business IS Letters.


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