Marketing automation consultants set up and manage the systems that send emails, score leads, and move contacts through a funnel without manual work. Clients are usually small businesses, agencies, and in-house marketing teams that use platforms like HubSpot, Klaviyo, Marketo, ActiveCampaign, or Salesforce Marketing Cloud. Invoices typically cover audits, workflow builds, CRM integrations, migrations, training, and ongoing optimization retainers.
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Most consultants mix project fees and monthly retainers. Discovery and audits are often a flat fee, builds like a lead nurture program or platform migration are priced per project based on the number of workflows, emails, and integrations, and ongoing work is billed as a monthly retainer with a set number of hours. Hourly billing is common for ad hoc support, troubleshooting, and scope changes. Consultants with platform certifications or deep technical skills (API work, data hygiene, lead scoring models) usually charge at the higher end. Client-paid software licenses, ad spend, and third-party tools such as connectors or email verification services are generally passed through at cost, sometimes with a small handling markup that should be agreed in writing. Many consultants also charge a rush fee for work needed in under a week.
| Service | Priced | Typical range |
|---|---|---|
| Hourly consulting and support | per hour | $85-200 |
| Marketing automation audit | flat fee | $1,500-5,000 |
| Email workflow or nurture sequence build (3-5 emails) | per workflow | $800-3,000 |
| CRM and email platform integration | flat fee | $2,000-8,000 |
| Platform migration (e.g., Mailchimp to HubSpot) | flat fee | $3,000-15,000 |
| Lead scoring and lifecycle stage setup | flat fee | $1,500-6,000 |
| Ongoing optimization retainer | per month | $1,500-6,000 |
| Team training session | per session | $500-2,000 |
Typical US ranges. Rates vary by region, experience, and job size.
| Description | Qty | Rate | Amount |
|---|---|---|---|
| Lead nurture program build: 3 workflows, 12 emails, enrollment and exit logic | 1 flat fee | $4,200.00 | $4,200.00 |
| Website form and CRM field mapping, including duplicate rules | 8 hours | $125.00 | $1,000.00 |
| Lead scoring model setup and testing | 1 flat fee | $1,800.00 | $1,800.00 |
| Email deliverability setup (SPF, DKIM, DMARC) and domain warm-up plan | 4 hours | $125.00 | $500.00 |
| Team training session on reporting and workflow edits (recorded) | 1 session | $750.00 | $750.00 |
| Total | $8,250.00 | ||
Notes: Milestone 2 of 3 for the nurture program project (SOW dated March 4). Payment due within 15 days of invoice date. Client-held platform license is not included. A 1.5% monthly late fee applies to overdue balances. Additional requests outside the SOW are billed at $125 per hour.
Ties each charge to an agreed scope, which settles most disputes about what was included.
Clients often have multiple accounts or sandboxes, and accounting teams need to know which one the work covered.
Specific line items show what was built and make approvals easier for clients who did not watch the work.
Time-based charges are questioned more often than flat fees, so detail prevents pushback.
Connector subscriptions, data enrichment credits, and verification services should be itemized separately from your labor.
Larger companies often reject invoices without a PO, which delays payment.
Shows the client what they received for the month and clarifies whether overage or rollover applies.
Project work is commonly billed with 30 to 50 percent upfront, then milestone payments tied to delivery such as workflow build complete or go-live. Retainers are usually invoiced at the start of the month, due on receipt or within 15 days. Net 15 and Net 30 are both common, with Net 30 more typical for mid-size and enterprise clients. Late fees of 1 to 1.5 percent per month are often written into the contract. Payment is usually by ACH, card, or check, and card payments sometimes include a processing surcharge where permitted by local rules. Some consultants pause active automations or stop new work on accounts that are more than 30 days past due, but this should be stated in the contract first.
Break larger builds into stages such as audit, build, testing, and launch. Each stage gets its own invoice, which keeps cash flowing and avoids a large unpaid balance if the client delays approvals.
State what the monthly fee covers, such as campaign builds, reporting, and list maintenance, and what it does not. Say whether unused hours roll over or expire. Without this, retainers drift into unpaid extra work.
Have clients hold their own platform licenses and billing when possible. If you buy tools on their behalf, itemize them at cost and get written approval before purchasing.
Email copy and workflow logic tend to go through many rounds of change. Include two rounds in the fixed fee and bill additional rounds hourly.
Record when the client approved a workflow, supplied access, or delivered assets. If delays push the schedule, this supports change fees or rescheduling charges.
Use flat project fees when scope is clear, such as a defined number of workflows or a migration with a known contact count. Use hourly billing for support, troubleshooting, and open-ended work. Many consultants combine them: a fixed fee for the build and an hourly rate for changes.
Your contract should say whether unused hours expire or roll over. Many consultants let hours expire at month end or roll over for one month only. Show hours used and remaining on each invoice so there are no surprises.
Yes, if you agree to it in writing beforehand. Many consultants pass costs through at cost and charge a small handling fee. Be clear on whether the license is in your name or the client's, since the client should own their data and account.
Avoid tying payment to performance unless you have a written agreement on how results are measured. Marketing outcomes depend on offers, lists, and sales follow-up that you do not control. Bill for the work delivered and treat performance bonuses as a separate, clearly defined add-on.
It depends on your state. Many states do not tax consulting services, but some tax digital services, software setup, or configuration work. Check your state's rules or ask an accountant, and show any tax as its own line on the invoice.
Send a Marketing Automation Consultant estimate for approval, then turn it into an invoice when the work is done.
Marketing Automation Consultant estimate template