The way you bring on a new client signals how you work. A disorganized first step (a vague email thread asking for "a few details," a PDF with 40 fields and no clear purpose) tells the client something they'll remember long after onboarding is over. A well-built client intake form collects everything in one organized step: contact details, service requirements, billing preferences, and signed terms, before a single hour of work begins. This guide covers what to include, how to design a form clients will actually complete, and provides ready-to-use templates for accounting firms, marketing agencies, and consultants.
Key takeaways
- The intake form is a qualification tool, not just a data collection step. Getting service-specific and billing questions answered before you write a proposal helps you scope accurately and avoid starting an engagement with a collection gap already built in.
- Form design determines whether clients complete the form. Form length is the second most common reason people abandon online forms. Keep visible fields short, use conditional logic for branching questions, and test the form on mobile before sending.
- The intake form's job is not finished when the client submits it. When intake data flows directly into a proposal that captures payment authorization at signing, you eliminate the separate billing setup conversation that most professional services firms still treat as a distinct step weeks into the engagement.
What is a client intake form?
A client intake form is a structured questionnaire sent to new or prospective clients before work begins. It collects the contact details, service requirements, billing preferences, and consent agreements a firm needs to draft an accurate proposal and begin onboarding. In a single step, a well-designed client intake form replaces the back-and-forth of email and phone calls while helping both sides confirm the engagement is a good fit before anyone has committed significant time.
The form typically arrives after an initial inquiry or discovery call, before the proposal stage. Its job is to gather the specific, structured information that can't be reliably captured in conversation: entity type, current software, budget range, preferred billing cadence, and the contact details needed to set up billing and communication. For firms that bill recurring clients, capturing this information before the proposal is drafted means the engagement terms can reflect what the client actually told you, not a best guess assembled from call notes.
Why use a client intake form?
A client intake form protects your time at the most expensive point in the sales process: before you've been paid anything. Without it, firms end up rebuilding the same information from emails, recalling what was said in a call, or discovering mid-proposal that the client's situation requires a different service tier entirely. Standardizing the intake step means every new client gets the same structured first experience and your team collects the same complete set of details every time, regardless of who handles the inquiry.
Who uses intake forms?
Intake forms are standard across professional services. Accountants and bookkeepers use them to gather entity structure, current software, and tax history before an engagement letter goes out. Tax firms use them to confirm filing status and prior-year returns before quoting. Marketing agencies use them to understand existing marketing channels, campaign history, and decision-maker structure before scoping a retainer. Consultants and freelancers use them to confirm project parameters and budget before writing a proposal. Legal, healthcare, and coaching practices each have their own intake requirements, but the function is the same: structured data collection before work begins.
What to include in a client intake form
A complete client intake form has five functional categories: basic contact information, service-specific questions, payment and billing details, legal and compliance disclosures, and a digital signature field. Each serves a specific role in the onboarding workflow. Leaving out any one of them creates a downstream problem, either in scoping accuracy, billing setup, or legal protection.
Basic contact information
Start with the contact fundamentals: full name, company or business name, email address, phone number, and mailing address if relevant to your services. These fields are easy to underestimate. Getting the billing contact name wrong creates friction every time an invoice goes out. Getting the company name wrong on a proposal requires a revision before signing. The rule: every field in the contact section should have a direct downstream use in your workflow. If you'd never use the fax number, don't ask for it.
Service-specific questions
Service-specific questions are where you qualify the engagement. For an accounting or bookkeeping firm, the right questions here are specific: What is your business entity type? What accounting software are you currently using? Which services are you looking for? What is your fiscal year end? How many employees are on payroll? Are there any outstanding IRS notices or prior-year issues we should know about?
These questions do two things. First, they give you what you need to write an accurate scope of work. Second, they reveal mismatches early. A prospect who needs a multi-state sales tax review when your firm doesn't handle that service is better identified at the intake stage than after a proposal has been sent.
For a marketing agency, the parallel questions are different: Which channels are you currently active on? What does your monthly marketing budget look like? Have you worked with an agency before? Who is the final decision-maker on creative approvals? The function is the same: qualify the fit before you invest in a proposal.
Payment and billing details
This section is where most intake forms either do the real work or leave a gap that costs the firm money later. Ask for the preferred payment method, billing address, the name of the contact who handles invoices if different from the primary contact, and whether the client has a preferred billing cycle.
Getting this information at intake means two things. First, when you write the proposal, you can include payment terms that reflect what the client already told you. Second, you avoid the billing setup conversation that many firms push to a "later" that never arrives cleanly. Firms that start engagements without a payment method on file tend to discover the gap only after work is already underway. By that point, the conversation is harder and the timeline is worse.
Legal and compliance requirements
Include your terms of service, a privacy policy disclosure, and any consent language specific to your services. For accounting firms handling financial data, this means explicit written consent for accessing records. For any firm subject to state-level privacy regulations, this section is where that compliance documentation lives. Keep the language plain and specific. "By submitting this form, you agree to our terms of service and authorize [Firm Name] to access the financial records referenced in this engagement" is cleaner and more enforceable than three paragraphs of boilerplate that clients skip entirely.
Digital signature
End the intake form with a signature field. An e-signature turns the intake form from a passive questionnaire into a document with a clear record of consent. The client confirms they've read the terms and that the information they've provided is accurate. Modern e-signature tools let clients sign from any device; DocuSign's data shows that 79% of agreements are signed within 24 hours when a digital signature option is available. For an intake form tied to a follow-up proposal, that turnaround matters.
How to design a client intake form that gets completed
The design choices you make on an intake form directly affect whether clients finish it. Short sections, plain language, conditional logic that hides irrelevant questions, and a visible progress indicator each reduce the friction that causes clients to stop partway through. Getting these right matters because the intake form is often the first direct interaction a prospective client has with your systems. Make it feel difficult, and you signal something they will remember.
Keep the design clean and simple
White space, a readable font, and plain language are not design choices. They are completion rate choices. Every extra word in a field label is friction. Compare these two versions of the same question:
Weak: "Please describe in detail the full scope of accounting services your organization requires, including any supplementary needs you may have identified."
Strong: "Which services are you looking for? (Check all that apply.)"
The strong version takes three seconds to read and three seconds to answer. The weak version requires the client to parse a request before they can respond to it. Across 15 questions, that difference compounds. Use plain language. Ask one thing per field. Explain briefly why you need the information when the reason isn't obvious ("We use this to set up your billing account correctly").
Make it mobile-friendly
Clients may open your intake form on any device, but onboarding forms show the largest gap between mobile and desktop completion rates of any form type tracked by Zuko Analytics. Desktop users complete forms at 47%; mobile users complete them at 42%. That 5-point gap sounds small but represents a meaningful share of prospective clients who started and didn't finish. Before sending your form to clients, open it on your own phone. If you have to zoom in to read a question, pinch to scroll between fields, or tap a tiny button to proceed, your clients are experiencing the same friction. Single-column layouts, large tap targets, and short field labels resolve most mobile issues without requiring a redesign.
Use conditional logic to shorten the form
Conditional logic shows or hides follow-up questions based on a prior answer. The client never sees questions that don't apply to their situation. A client who answers "Sole proprietor" to the entity type question does not need to see questions about payroll, S-corp distributions, or multi-owner equity structure. Branching on one question can remove five that don't apply, making the form feel significantly shorter without removing any necessary fields. Most digital form tools include conditional logic as a standard feature. Use it for any question that only applies to a subset of clients.
Show progress to keep clients engaged
A form that looks like it has no end gets abandoned. A simple progress bar or step indicator ("Step 2 of 4") tells the client exactly where they are and how much remains. Multi-step forms with visible progress indicators convert at meaningfully higher rates than single-page forms with no structure. If your intake form has more than ten questions, break it into sections with clear headers or into steps with a visible progress marker. The psychological effect of seeing progress accumulate makes the form feel like a manageable task, not an open-ended request.
Client intake form templates
The four templates below are written as actual questions your clients see. Each is usable with minor personalization: replace bracketed fields with your firm's name and adjust question phrasing to match your services. The question counts reflect what's needed for each audience, not a uniform formula.
General business client intake form template
Use this when you work with clients across industries and need a flexible starting point. Ten to twelve questions cover the essentials for most service engagements.
[Your Firm Name]: New Client Intake Form
- Your full name
- Company or business name
- Email address
- Phone number
- Mailing or billing address
- What services are you looking for? (Brief description)
- What is your approximate monthly or project budget for this engagement?
- What is your desired start date or timeline?
- Have you worked with a [consultant/firm/agency] before? If yes, what did you find most and least useful about that experience?
- Who is the primary decision-maker for this engagement?
- Preferred payment method: ACH bank transfer / Credit card / Check
- Is the billing contact different from the primary contact? If yes, please provide their name and email.
By submitting this form, I confirm the information above is accurate and agree to [Firm Name]'s terms of service.
Digital signature: _________________ Date: _________________
Client intake form for accountants and bookkeepers
This template covers the specific information an accounting or bookkeeping firm needs before writing an engagement letter. Use it for new clients at any firm size from sole proprietor to small business.
[Your Firm Name]: Accounting Services Intake Form
- Your full name
- Business name
- Email address
- Phone number
- Business mailing address
- What is your business entity type? (Sole proprietor / LLC / S-corp / C-corp / Partnership / Other)
- What is your fiscal year end? (December 31 / Other: please specify)
- What accounting software are you currently using? (QuickBooks Online / Xero / QuickBooks Desktop / Spreadsheets / Other / None)
- Which services are you looking for? (Select all that apply: Monthly bookkeeping / Tax preparation / Tax planning / Payroll processing / Accounts payable / Accounts receivable / Advisory / CAS / Other)
- How many employees or contractors do you currently have?
- What is your approximate annual revenue range? (Under $250K / $250K–$1M / $1M–$5M / Over $5M)
- Are there any outstanding IRS or state notices, prior-year unfiled returns, or cleanup work we should know about before your first meeting?
- How would you prefer to be billed? (Monthly flat fee / Per-project / Hourly / Other)
- What is your preferred payment method? (ACH bank transfer / Credit card)
- Billing contact name and email (if different from above)
- Is there anything else that would help us understand your situation before our first meeting?
By submitting this form, I confirm the information above is accurate and authorize [Firm Name] to access the financial records required for this engagement. I have reviewed and agree to [Firm Name]'s terms of service and privacy policy.
Digital signature: _________________ Date: _________________
Client intake form for marketing agencies
Use this template for new client inquiries. It qualifies both fit and scope before you commit to writing a proposal.
[Your Agency Name]: New Client Intake Form
- Your full name and title
- Company name
- Business email address
- Phone number
- Company website
- What marketing services are you looking for? (Select all that apply: SEO / PPC/paid media / Social media management / Content marketing / Email marketing / Brand/creative / Web development / PR / Other)
- Which channels are you currently active on?
- What is your monthly marketing budget for this engagement?
- What is your primary goal for the next 90 days? (Lead generation / Brand awareness / Revenue growth / Other: please describe)
- Have you worked with a marketing agency before? If yes, what worked well and what didn't?
- Who is the final decision-maker on creative and strategy approvals?
- What is your target start date?
- Do you have existing brand guidelines, a style guide, or brand assets we should know about?
- Preferred billing method: ACH bank transfer / Credit card
- Billing contact name and email (if different from above)
By submitting this form, I confirm the information above is accurate and agree to [Agency Name]'s terms of service.
Digital signature: _________________ Date: _________________
Client intake form for consultants and freelancers
Shorter and more direct. Use this for project-based or advisory engagements where the client relationship is more personal.
[Your Name / Firm Name]: Project Intake Form
- Your full name
- Company name (if applicable)
- Email address
- Phone number
- Describe the project or engagement you have in mind. What problem are you trying to solve?
- What does success look like for this project?
- What is your timeline or target completion date?
- What is your budget for this project?
- How do you prefer to communicate? (Email / Video calls / Slack / Other)
- Is there anything that could affect the timeline or scope of this project we should know upfront?
- Preferred payment method: ACH bank transfer / Credit card / Check
By submitting this form, I agree to [Your Name/Firm Name]'s terms of engagement and confirm the details above are accurate.
Digital signature: _________________ Date: _________________
Client intake form examples by industry
The templates above cover the core structure. What changes by industry is the service-specific question block and, in some cases, the legal and compliance disclosures. The following examples flag the 2 to 3 questions that are specific to each vertical rather than reproducing a complete form.
Accounting and tax firms
The fields that distinguish an accounting firm intake form from a general one:
- Entity type and filing status. The services you offer and how you price them depend heavily on whether the client is a sole proprietor, an S-corp, or a C-corp. Asking this upfront means the proposal you write reflects the real scope.
- Prior-year returns and IRS correspondence. A client with unfiled returns or an outstanding notice needs a different engagement structure than a client with clean compliance history. Surfacing this at intake prevents scope surprises after the engagement letter is signed.
- Access to financial records. Include explicit consent language authorizing the firm to access the client's accounting software, bank feeds, or prior-year tax files. This protects the firm and sets clear expectations about what the client is agreeing to share.
Legal services
The intake questions that are distinctive for legal services:
- Conflict of interest check. This is a professional and sometimes ethical requirement. Ask for any other parties involved in the matter before the attorney spends time reviewing the situation.
- Case type and timeline. Legal matters vary enormously in complexity and urgency. Getting this in writing at intake prevents misaligned expectations about turnaround.
- Prior representation. Ask whether the client has previously worked with another attorney on this matter and whether any deadlines or court dates are already scheduled.
Healthcare and wellness
The intake questions that are specific to healthcare and wellness providers:
- HIPAA authorization. Any practice collecting protected health information needs written authorization before the intake begins. This should be integrated into the digital signature section.
- Insurance and coverage information. If the practice accepts insurance, collect the carrier name, member ID, and group number at intake to avoid billing delays.
- Medical history and current conditions. The depth of medical history questions depends on the service type. A massage therapy intake is shorter than an acupuncture or functional medicine intake. Tailor accordingly.
How to connect your intake form to proposals and billing
Most professional services firms treat the intake form and the proposal as two separate documents with a gap between them. The intake arrives, someone reads it, someone else builds the proposal from memory plus notes, the proposal gets sent, and the billing setup happens weeks later when the client finally returns a signed contract. Every handoff in that sequence is a place where information gets lost, billing details go uncollected, and cash flow gets delayed.
The intake form's job is to feed the proposal. If it does that, and if the proposal captures payment authorization at signing, the entire intake-to-billing sequence can run in two steps instead of five.
From intake to proposal in one step
When your intake form is built correctly, every piece of information needed to write the proposal is already in the submission. The entity type the client listed populates the engagement scope. The services they checked become line items. The billing cadence they prefer becomes the payment schedule. The proposal writer is not reconstructing what they think the client wants; they're organizing what the client already confirmed.
This also means there's no second round of questions. The intake form is thorough enough that the proposal can go out without a follow-up call to verify details. For a firm managing 30 to 50 active clients, eliminating that verification step across every new engagement saves real time at the front of every client relationship.
Capturing payment authorization at signing
The billing setup conversation is the most commonly deferred step in professional services onboarding. Firms get the proposal signed, start the work, and then bring up payment details a week or two later, when the relationship has momentum but the right moment to require it cleanly has passed.
When the proposal captures the client's payment method at the moment of signing, that conversation never needs to happen separately. The client enters their preferred payment method as part of completing the agreement. From that point, billing runs on the schedule both parties agreed to, without requiring the firm to chase a separate setup step.
Anchor builds this into the proposal workflow. When a client signs an Anchor agreement, they authorize a payment method. From that point, billing executes automatically on the schedule in the agreement, whether recurring monthly, on project milestones, or per invoice. No separate billing onboarding step. No follow-up to collect a card number. The intake form collected the details; the proposal captured the authorization; billing runs itself.
Common client intake form mistakes to avoid
Asking too many questions
Form length is cited in 27% of online form abandonments (The Manifest). The issue is almost never the total number of questions in the form: it's the number of questions that appear on screen at once, and how many of those feel irrelevant or premature. Conditional logic solves the first problem. Discipline about what actually needs to be asked at intake solves the second.
The test for every question on your intake form: "Would I need this information to write an accurate proposal, or can I get it after the engagement starts?" If the answer is "after the engagement starts," it doesn't belong on the intake form. Save it for the onboarding meeting or the first kickoff call. The intake form's job is to qualify the engagement and collect the information needed to begin. Everything else is noise that increases the chance the client doesn't finish.
Not collecting billing information upfront
This is the most practically expensive mistake on the list. When billing details are not captured at intake or at the proposal stage, the firm starts every engagement with a collection gap already built in. The client has been signed, work has begun, and the billing setup is still a pending task. According to Sage, 26% of invoices that reach 90 days past due are never collected. The firms that avoid that outcome tend to close the billing information gap at the very beginning of every engagement, before the first deliverable is produced.
The fix is structural: add billing preference and payment method fields to the intake form, and confirm them at proposal signing. The conversation doesn't need to be awkward. It's part of the form. The client knows it's coming.
Using a generic form for every client type
An S-corp with 50 employees and a sole proprietor freelancer need different intake questions. Sending both clients the same form means you're either asking the S-corp client irrelevant questions about payroll and equity when they don't apply, or missing the entity-specific information you actually need from them because you kept the form generic enough for everyone.
The solution is not to build a different form from scratch for every client. It's to build one form with conditional logic that adapts based on the entity type or service type selected in the first question. The client sees only what's relevant. You get the right information every time.
Frequently asked questions
What is the difference between a client intake form and a client onboarding form?
A client intake form comes first. Its purpose is to collect the information needed to evaluate a prospective client, scope the engagement, and write a proposal. A client onboarding form typically comes after the engagement is signed and focuses on the operational details needed to begin work: software access credentials, document sharing, communication preferences, and team introductions. In practice, many firms blur the two. The cleaner approach is to keep them separate: intake before the proposal, onboarding after signing.
How many questions should a client intake form have?
There is no universal number. The right length is the minimum required to qualify the engagement and write an accurate proposal. For accounting and bookkeeping firms, that's typically 12 to 16 questions. For consultants handling shorter project engagements, 8 to 11 is usually enough. The test is not the total count; it's whether every field in the form has a downstream use in your workflow. If you collect a field and never reference it, it shouldn't be there.
Should I collect payment details on the intake form or wait for the proposal?
Collecting billing preferences (preferred payment method, billing contact, billing address) on the intake form is the right call. Collecting the actual payment method authorization belongs at the proposal stage. The intake form captures what the client expects; the signed proposal is where the authorization happens. Some firms combine these into a single document; others keep them as sequential steps tied together by the same workflow. Either approach works as long as the payment authorization is captured before work begins.
Can I use the same intake form for every type of client?
Only with conditional logic. A single form with branching questions that adapt to entity type and service selection can serve multiple client types effectively. A flat, static form used identically across all client types will either collect irrelevant information for some clients or miss critical details for others. The investment in building conditional logic into your intake form pays off across every new client engagement from that point forward.
The intake form is where every client relationship begins. It sets expectations, protects your scope, and determines whether you start the engagement with full information or spend the first week filling in gaps. Build it once. Make it specific. Connect it to your proposal workflow so the information you collect becomes the foundation of the agreement, not a separate document that everyone half-remembers.