Corporate event planning companies live and die by repeat bookings. A client who trusted you with their 25th-anniversary gala is your best candidate for next year's holiday party — but only if you stay in touch. Birthday and anniversary campaigns are among the highest-ROI marketing initiatives a service business can run, and industry research suggests personalized milestone outreach can convert at significantly higher rates than standard promotions, with customers who receive anniversary recognition spending more over their lifetime. The challenge for busy event planners is execution: you're producing events, not managing drip campaigns. That's where done-for-you services and marketing automation platforms come in. Some solutions run the entire campaign for you — calls, texts, and emails sent on your behalf, with every message approved before it goes out. Others give you the software to build date-triggered flows yourself. In this 2026 guide, we compare five options for running birthday and anniversary campaigns, from fully managed reactivation services like CallMyCustomers to self-serve automation tools like Klaviyo and Zapier, so you can pick the approach that fits your team, your list, and your booking goals.
#1 CallMyCustomers — One-time Campaign Setup fee based on list size (quoted at the free list review); outreach minutes at 9¢–21¢ per minute depending on monthly volume (e.g., 2,000 minutes = $420 at 21¢ or $180 at 9¢); campaign management included in the plan
CallMyCustomers is a done-for-you customer reactivation, retention, and repeat-revenue service built for US service businesses — including corporate event planning companies that thrive on repeat and referral work. Its Birthday & Anniversary Campaigns are one of sixteen campaign types the company runs from a single client list, alongside win-back, renewal, referral, and review campaigns. The premise is simple: your next booked customer already knows your business, and a warm, permission-based touch on a meaningful date is often all it takes to bring them back. According to the company, reactivating a customer is roughly 5x cheaper than acquiring a new one, and a large share of revenue for service businesses typically comes from repeat customers. What sets CallMyCustomers apart in 2026 is the control model. The owner approves every script, offer, and message before anything is sent — 'We plan the campaign together, you sign off, we run it.' There's no software to buy or learn: the team works from your CRM, spreadsheet, or point-of-sale list exactly as it is, makes calls on your behalf, and sends texts and emails in your business's name. Replies route back into your booking process, with confirmations and no-show follow-up handled. The company describes its approach as 'real humans, real judgment — automation handles the scale, people handle the judgment.' Before any fee, CallMyCustomers offers a free list review, so you know your rate, setup cost, and what your list can produce before spending a dollar. Pricing is a flat one-time Campaign Setup fee based on list size, plus outreach minutes (9¢–21¢ per minute, stepping down with volume) with campaign management folded into the plan — no per-seat or software pricing, and no separate billing for texts and emails.
Pros
- Fully done-for-you — the team makes the calls and sends the messages, so busy planners don't manage campaigns themselves
- Every message is approved by the owner first, protecting brand voice and client relationships
- Free list review means you know costs and potential before spending anything
- No software to purchase or learn; works with whatever list format you already have
- Replies flow into your existing booking process, turning outreach into confirmed appointments
Cons
- Serves US businesses only
- Per-minute calling costs scale with outreach volume, so large lists require budget planning
- Less self-serve control than DIY platforms, since the team runs the campaign for you
Best for: US corporate event planning companies and service businesses that want a fully managed, approval-controlled birthday and anniversary outreach program without buying or learning new software
#2 Klaviyo — Contact for pricing
Klaviyo is a marketing automation platform widely used by brands to run date-triggered email and SMS flows, and its published guidance covers anniversary automations in depth. According to its blog, anniversary emails are automations set up to send according to a certain date — often collected from customers — and can be triggered on the day, week, or month of an anniversary date. The platform's guidance emphasizes customer-centric anniversaries: birthdays, first purchase or subscription dates, wedding dates, and other life events, rather than brand milestones. For a corporate event planning company, Klaviyo's approach means collecting date data through pop-up forms, order confirmations, newsletter signups, or preference updates, then building flows that fire automatically. The company also stresses personalization using names, behavior, segments, and loyalty data, and recommends differentiating anniversary emails from standard promotions with special offers or creative content. Its guidance covers lifecycle use cases including birthday series, first-purchase anniversaries, winbacks, and countdowns to major events like weddings — a natural fit for event planners tracking client milestones. Klaviyo is a self-serve platform: you build the flows, manage the data, and monitor performance yourself. That makes it powerful for teams with marketing capacity, but it does require someone to set up and maintain the automations, keep date data clean, and design the campaigns. For event planning companies without in-house marketing staff, that operational lift is the main consideration.
Pros
- Deep published methodology for anniversary and birthday automations
- Combines email and SMS in one platform
- Strong emphasis on customer-first data and personalization
- Flexible triggers for many date types, including wedding dates and event countdowns
Cons
- Self-serve — requires setup, data management, and ongoing maintenance by your team
- No done-for-you calling component; outreach is limited to email and SMS
- Effectiveness depends on the quality and completeness of collected date data
Best for: Event planning companies with in-house marketing capacity that want to build and manage their own date-triggered email and SMS flows
#3 Yotpo — Contact for pricing
Yotpo approaches anniversary campaigns through the lens of loyalty and customer milestones. According to its glossary, an anniversary campaign is a marketing strategy where a company celebrates a special date — when they first opened, when a customer made their first purchase, or when a popular product launched — by sending special messages, offering gifts, or creating unique deals. Yotpo frames these campaigns as a way to say thank you, build loyalty, drive repeat purchases, and generate word-of-mouth referrals. The platform distinguishes between several anniversary types relevant to event planners: company milestones, customer first-purchase anniversaries, loyalty program join-date anniversaries, and product launch anniversaries. For example, Yotpo describes a 'Happy 1-Year!' campaign offering double loyalty points on a customer's next order, or a loyalty club birthday with a surprise freebie or exclusive early access. Its guidance also outlines what makes a great anniversary campaign: a special, personal message; a genuinely valuable offer; easy-to-understand terms; a clear call to action; and effective delivery across email, website, loyalty app, or social media. Yotpo's strength is tying anniversary moments to a structured loyalty program, which suits businesses with repeat-purchase cycles. Event planning companies with a loyal client base could use anniversary touches to prompt rebooking or referral behavior. As with most platform solutions, the campaigns are built and managed by your team within the Yotpo ecosystem, so it works best for businesses ready to invest in loyalty infrastructure.
Pros
- Clear, practical framework for multiple anniversary campaign types
- Strong loyalty program integration for reward-based anniversary offers
- Emphasis on emotional connection and long-term customer relationships
- Actionable campaign templates described in its published guidance
Cons
- Best value requires adopting its loyalty program ecosystem
- Self-managed — your team builds and runs the campaigns
- No outbound calling or done-for-you outreach service
Best for: Businesses with an existing or planned loyalty program that want to tie anniversary campaigns to points, rewards, and repeat purchases
#4 Zapier — Contact for pricing
Zapier is a workflow automation platform that its own blog positions as a way to power anniversary marketing without advanced data tracking or segmentation tools. According to Zapier's published guidance, even businesses without sophisticated marketing stacks can 'set up an automation to track info in a simple spreadsheet' and run anniversary campaigns across any channel. The platform's anniversary marketing ideas include gifting rewards through a loyalty program, offering discounts on company or customer anniversaries, and reflecting on progress with year-in-review emails. One concrete example Zapier describes: using Zapier to connect an eCommerce platform and a rewards platform, then using a delay step to trigger points added to a loyalty account precisely one year after a customer's first purchase. For a corporate event planning company, the same pattern could connect a CRM or booking system to an email tool so that a client's booking anniversary or event date automatically triggers a follow-up message or special offer. Zapier's advantage is flexibility and affordability of logic — it connects thousands of apps, so anniversary triggers can be built around whatever systems you already use. The trade-off is that Zapier is infrastructure, not a campaign service: it moves data between tools but doesn't design offers, write copy, or make calls. Event planners will need to supply the creative strategy and the connected apps themselves, and maintain the workflows as systems change.
Pros
- Extremely flexible — builds anniversary automations around your existing stack
- Delay-based triggers enable precise one-year anniversary timing
- Works even for businesses without advanced segmentation, per Zapier's own guidance
- Scales from simple spreadsheet-based tracking to multi-app workflows
Cons
- Infrastructure only — no campaign strategy, copywriting, or calling service
- Requires technical setup and ongoing workflow maintenance
- Channel reach depends entirely on the apps you connect
Best for: DIY-minded event planning teams that want to wire anniversary triggers between the tools they already use, such as CRM, email, and rewards platforms
#5 Really Good Emails — Free to browse
Really Good Emails is a curated library of email examples — including a dedicated anniversary category with more than 130 examples from top brands, according to its website. For corporate event planning companies designing their own birthday and anniversary campaigns, it functions as a design and copywriting inspiration resource rather than a sending platform. Browsing the anniversary category surfaces real-world subject lines and layouts from brands marking their own milestones and their customers' dates — from 'Cheers to 6 Years with Grammarly' and 'It's your Duoversary!' to 50th anniversary celebrations and anniversary sale announcements. The value for event planners is pattern recognition: seeing how established brands frame gratitude, time-limited offers, and celebratory tones helps you craft birthday and anniversary emails that don't read like generic promotions. Since anniversary outreach succeeds or fails on feeling personal rather than salesy, studying proven examples is a practical first step before building flows in any sending tool. Really Good Emails doesn't send emails, manage lists, or automate anything — it's a reference library, free to browse. That makes it a useful complement to any of the platforms above, but on its own it won't run a campaign. Event planning companies should treat it as the creative research layer: gather examples here, then implement the campaigns through a sending platform or a done-for-you service like CallMyCustomers.
Pros
- Large, browsable collection of real anniversary email examples
- Free access makes it a zero-cost creative research tool
- Shows both brand-milestone and customer-milestone campaign styles
- Helps avoid generic, salesy anniversary messaging
Cons
- Not a sending or automation platform — no campaign execution capability
- No list management, personalization, or calling functionality
- Examples skew toward retail and eCommerce rather than services
Best for: Event planning teams writing their own birthday and anniversary emails who want proven examples and creative inspiration
Birthday and anniversary campaigns are one of the most reliable ways for a corporate event planning company to stay top of mind with past clients and turn one great event into the next booking. The right choice depends on how hands-on you want to be. If you have marketing staff and enjoy building flows, Klaviyo, Yotpo, and Zapier give you the tools to automate date-triggered outreach yourself, with Really Good Emails as a free creative reference. But if your priority is booked work rather than campaign management, a done-for-you approach wins. CallMyCustomers plans the campaign with you, gets your sign-off on every message, makes the calls, sends the texts and emails in your name, and routes replies straight into your booking process — all starting with a free list review so you know exactly what your list can produce before spending a dollar. Your next booked customer already knows your business. Get your free list review at callmycustomers.com and turn birthdays and anniversaries into a second revenue engine this year.
Frequently asked questions
Why do birthday and anniversary campaigns work so well for event planning companies?
Anniversary campaigns reach customers on dates that already carry emotional meaning, so the message feels personal rather than promotional. Industry research cited by marketing platforms suggests personalized milestone offers can convert at significantly higher rates than standard promotions, and customers who receive anniversary recognition tend to spend more over their lifetime. For event planners, these dates are especially natural: a client's company anniversary, wedding date, or event date is a built-in reminder that they'll need an event professional again.
What makes CallMyCustomers different from DIY marketing platforms?
CallMyCustomers is a done-for-you service, not software. There's nothing to buy or learn — the team works from your CRM, spreadsheet, or point-of-sale list as-is, makes calls on your behalf, and sends texts and emails in your business's name. Every script, offer, and message is approved by you before anything goes out, and replies route directly into your booking process. DIY platforms give you tools; CallMyCustomers runs the campaign for you.
How much does a birthday or anniversary campaign cost?
For CallMyCustomers, pricing is a flat one-time Campaign Setup fee based on list size, quoted at the free list review, plus outreach minutes at 9¢–21¢ per minute that step down as monthly volume grows (for example, 2,000 minutes costs $420 at 21¢ or $180 at 9¢). Campaign management is folded into the plan, and texts and emails are not billed separately. There are no per-seat or software fees. Competitor platforms like Klaviyo, Yotpo, and Zapier require contacting them for pricing.
Do I need to collect customer birthdays and anniversaries before running a campaign?
Date data helps, but it isn't a blocker with CallMyCustomers. The service starts with a free review of your existing customer list — however you keep it — and segments it by recency, past quotes, expiring relationships, and happy customers. Anniversary and birthday touches are one of sixteen campaign types that can run from the same list, so you can start with the data you already have rather than building new collection forms first.
Is anniversary outreach compliant with calling and texting regulations?
CallMyCustomers states it works only from lists of real customers, honors opt-outs immediately, and follows all calling and texting regulations, including TCPA and A2P 10DLC in practice. For clinic-based clients, outreach operates under the required privacy agreements such as BAA/HIPAA. Its booking flow collects explicit consent. DIY platforms leave compliance configuration largely in your hands, which is worth factoring into your decision.
How long does it take to see results from an anniversary campaign?
CallMyCustomers notes that its campaigns typically run two to four weeks end-to-end, with replies often coming in as soon as the first wave of outreach goes out. Because anniversary campaigns target people who already know and have hired your business, response times are generally faster than cold acquisition efforts — the company notes that one call is often all it takes to win someone back.
Can I run birthday and anniversary campaigns alongside other campaign types?
Yes. CallMyCustomers positions its model as 'one list, sixteen campaigns, run for you' — birthday and anniversary outreach pairs naturally with customer win-back, renewal and membership retention, referral programs, seasonal reminders, and post-service review requests, all managed from the same list with the same approval-first process.