The best SMS marketing platform for real estate and professional services helps you reach new leads before a competitor does. We compared Mailchimp, Klaviyo, Brevo, Constant Contact, and Attentive on how well they keep agents, firms, and consultants fast and organized.
Speed-to-lead response and appointment and showing reminders come first, followed by 10DLC compliance support and whether texting is a standalone product or part of an email package.
How we compared these SMS marketing platforms for professional services & real estate
Five checks shaped the comparison, each one tied to how agents, law firms, and consultants work. Here is what we examined:
- Speed-to-lead response: How fast can a new inquiry get a text back? We looked at automation and shared inboxes that shorten the wait.
- Appointment and showing reminders: Text message marketing for real estate agents depends on showing reminders, while consultants and law firms lean on consultation reminders. We assessed how well each platform supports that kind of scheduling.
- 10DLC compliance support: Businesses that text from standard 10-digit US numbers must register under the 10DLC carrier rules, and vendors handle registration differently. Ask each one about it before you commit.
- Transparent pricing and simple signup: Are rates public, and can a solo agent or small firm start without speaking to sales?
- Texting alongside email or on its own: We noted whether SMS comes with email tools or is sold separately.
Explore the comparisons hub to compare other email and SMS tools.
How real estate & professional services firms use SMS
Texting works best for short, timely messages that move a lead or client to the next step. Here are common ways agents, firms, and consultants use it:
- New-lead welcome: Send an automatic welcome text when someone opts in through your signup form, so a new lead hears from you while they're still browsing.
- Showing & consultation reminders: Confirm appointments and send a reminder the day before to cut down on no-shows.
- New listing & open house alerts: Text past clients and opted-in prospects when a listing goes live or an open house is scheduled.
- Deadline & document nudges: Law firms, accountants, and consultants can remind clients about filing deadlines, signatures, or documents due.
- Review & referral requests: After a closing or a finished engagement, text a short link asking for a review or referral.
Mailchimp
Mailchimp fits agents, firms, and consultants who already use the email marketing platform and want text messages managed from the same account. With SMS marketing tools built in alongside email and automations, a small team avoids juggling another login.
Pricing
- SMS is an add-on to any paid Email plan; credits from $20/mo (1K) to $2,500/mo (450K); no extra platform fee
- Self-serve from $13/mo; no sales call required; SMS setup includes a short application & approval before you can send
Real estate/pro services fit
- Best for: Agents and firms looking for texting included with their email, in a tool they already know and can sign up for on their own.
- Replies in one place: Client replies from email and text arrive in one Mailchimp Inbox, which you can also check from the Mailchimp mobile app, so you can respond to inquiries quickly between showings or meetings.
- Listing and open house promotion: Agents can text past clients about a new listing, an open house, or a market update, then send the details by email.
- Client reminders and updates: Law firms and consultants can text consultation reminders and brief updates, and keep longer documents and summaries in email.
- Email-to-SMS follow-ups: Mailchimp can turn an email into an SMS campaign with AI suggestions, so a busy professional does not write the same message twice.
Limitations
- SMS credits add to your bill: Credits are an additional expense beyond the plan price.
- No real estate CRM-native texting: Dedicated real estate tools can text leads directly from a real estate CRM or listing portal, which Mailchimp does not.
Klaviyo
Klaviyo builds its segmentation around store and purchase data, which suits firms that sell products alongside their services. The platform combines email, SMS, and a B2C CRM. Mailchimp vs. Klaviyo covers how the two differ.
Pricing
- Email + SMS plan from about $35/mo (500 profiles), including monthly SMS credits; extra credits billed on top
- Bills on active profiles, so cost scales with list size regardless of send volume
Real estate/pro services fit
- Best for: Firms with a meaningful ecommerce or retail arm alongside their core services.
- Purchase-based segments: A consultancy that sells courses, or a brokerage with a merchandise line, can group customers by what they buy and text each group differently. Predictive analytics and the Customer Hub CRM add more insight into each contact.
Limitations
- List growth raises the bill: Profile-based billing can spike your costs as your contacts multiply, even if you text no more often.
- Not built for lead workflows: Klaviyo’s store-centered data model does not map naturally to leads or client relationships.
- Fewer supported countries: SMS reaches roughly 23 countries, so consultants with international clients should confirm the current list with Klaviyo.
Brevo
Brevo prices plans by email volume, which keeps costs low for firms that hold big contact lists but message them rarely. Email and SMS live on one platform. See Mailchimp vs Brevo for a side-by-side look.
Pricing
- SMS billed per message, varying by country; prepaid credits never expire; Starter from $9/mo
- Priced by email volume sent, not contacts stored, so SMS is the added variable cost
Real estate/pro services fit
- Best for: Firms with a large, infrequently texted client or prospect list.
- High contact limits: The Free plan stores up to 100,000 contacts and Professional up to 2 million, a good match for agents and firms that hold years of past-client and prospect records.
- 150+ integrations: Brevo lists more than 150 integrations. Confirm any CRM connection directly with Brevo before you commit.
Limitations
- Lead follow-up sits on a higher plan: Marketing automation, including lead follow-up flows, is capped at 2,000 contacts on Free and Starter and unlimited from the Standard plan ($18/mo).
- Per-text billing adds up: A large announcement to a full contact list can get expensive because each message is charged individually.
Constant Contact
Constant Contact lets agents who already use it for email add texting without another tool. Mailchimp vs Constant Contact explains the differences.
Pricing
- SMS add-on from $10/mo (500 messages) on Lite/Standard; included on Premium ($80/mo)
- Lite from $12/mo, Standard from $35/mo, Premium from $80/mo (all at 500 contacts, price rises steeply with list size)
Real estate/pro services fit
- Best for: Agents already using Constant Contact for email who want a simple SMS add-on.
- Email and text together: Constant Contact supports both email and text from one platform, which suits an agent who wants to add texting without learning a second tool.
- AI Campaign Builder: On Standard & up, Campaign Builder can draft a campaign across email, social, and text from a single prompt.
Limitations
- Texting costs more on lower plans: SMS is an add-on for Lite and Standard and is included only with Premium.
- Custom automation requires Premium: Lite includes one automation template and Standard includes three. Custom automations require Premium ($80/mo).
- No texting outside the US: Consultants and firms with international clients cannot reach them by SMS through this platform.
Attentive
Attentive is an SMS-first platform aimed at large brands. It suits brokerages and franchise-scale firms with enterprise budgets that treat SMS as a primary lead-response channel.
Pricing
- Hybrid subscription + usage; reported minimum of $2,000 to $3,000 per quarter; custom Order Form rates, no public rate card
- Optional short code from $750/mo; demo-gated, rates sit behind a sales call rather than a public pricing page
Real estate/pro services fit
- Best for: Large brokerages or franchise-scale firms with enterprise budgets.
- Strong SMS depth: Attentive offers the most SMS-specific features of the five platforms here, and it has announced AI Campaigns and Predictive Analytics as planned features.
Limitations
- A sales call comes first: Expect a demo and a sales conversation before you receive an Order Form with rates.
- Pricing built for enterprises: The quarterly minimum and short-code fee might put Attentive out of reach for solo agents and small firms.
- Replies stay in separate places: Attentive has no shared inbox across channels, which can slow speed-to-lead follow-up.
Picking the right SMS platform for your firm or brokerage
Team size, budget, and the way you handle new leads narrow the field fast. Here’s what to consider when choosing the best SMS platform for real estate and professional services:
- Team size: A solo agent or consultant usually needs an affordable, simple setup, while a brokerage or multi-office firm may justify a dedicated platform.
- Spending style: Brevo charges per text, Klaviyo bills by active profile, and Attentive sets a quarterly minimum, so each model rewards a different kind of firm.
- How you'll get started: Mailchimp, Klaviyo, Brevo, and Constant Contact let you start on your own, while Attentive asks you to speak with sales before you can begin.
- Where texting lives: Decide whether you need texting built into a real estate CRM or a lighter add-on that pairs with the email you already send.
For a solo agent, consultant, or firm, the best SMS marketing for real estate and professional services usually means a bundled add-on, since it handles showing reminders and follow-ups without more software.
Respond to leads faster with Mailchimp SMS
Text new inquiries, send showing and appointment reminders, and follow up by email from one account. Mailchimp's shared inbox keeps every reply in one place, on desktop or in the mobile app, so nothing gets missed.