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How to Sell Pet Food Through an Online Subscription Service: A Guide for Brands and Retailers

Written by Màrius Rossell
October 16, 2026
A Siamese cat resting on a sofa

Pet food has something that almost no other product has: it runs out by a predictable date. A 10-kg dog will finish a 12-kg bag in about two months; an indoor cat will finish a 3-kg bag in a month and a half. If you know when it runs out, you know when your customer will buy it again… or when you’ll lose them if you’re not there.

A subscription turns that predictability into recurring revenue. In this guide, we'll walk you through how to set it up, what you need from a technical standpoint, and what mistakes to avoid.

Why Subscription Models Are Such a Good Fit for the Pet Industry

  • Repetitive, low-effort purchase: No one wants to think about ordering pet food every month; they just want it to arrive.
  • High brand loyalty: Changing a pet's food affects its digestion, so owners don't switch on a whim.
  • Moderately high and stable price range: large bags, cans sold in packs, snacks, and add-ons that can be included in the order.
  • Advantages over marketplaces: Subscribers don't have to compare prices every time.

With more than 15 million registered pets in Spain and a pet food market worth over 2.1 billion euros (as detailed in our analysis of the pet food market in 2025), the opportunity is clear.

Step 1: Calculate the correct frequency for each customer

The most common mistake is offering fixed delivery schedules (“every 30 days”) without taking the pet into account. If a bag lasts 70 days and you ship every 30, the customer ends up with a backlog of bags and cancels their subscription. If it lasts 20 days and you ship every 30, they run out of food and buy from somewhere else.

The frequency should be calculated based on the animal's weight, activity level, and product format. You can see an example of this calculation in our calculator: "How long does a bag of feed last?" The idea is to request this information during sign-up (or derive it from the order history) and suggest the ideal frequency, while always allowing the customer to adjust it.

Step 2: Choose the right subscription plan

  • Pure subscription: automatic order with recurring charges. Maximum retention, but requires a payment gateway that supports recurring payments and effective issue management.
  • Reorder reminder: an email or text message a few days before the bag runs out, with a link to reorder with a single click. Less hassle from the start and very effective.
  • Hybrid model: a reminder for everyone and a subscription with perks (discount, free shipping, or a free gift) for those who want to set up automatic payments.

For most startups, the hybrid model works best: it drives repeat purchases from day one and gradually turns subscribers into the most loyal customers.

Step 3: Set up your online store

Technology matters. Here are the minimum requirements:

  • Recurring payments with card tokenization and automatic retries if a charge fails.
  • A customer portal where you can pause, fast-forward, change the frequency, or switch products without having to call anyone.
  • Integration with the ERP and logistics systems to forecast inventory and prepare recurring shipments.
  • CRM and automation for reminders, onboarding, and re-engaging inactive customers. At TRILOGI, we handle this with marketing automation integrated with the store.

Platforms such as LogiCommerce, Shopify, and PrestaShop allow you to manage subscriptions natively or using specialized modules; the choice depends on your product catalog, your integrations, and whether you also sell to business customers.

Step 4: Give the customer reasons to stay

  • A clear advantage: a small recurring discount or free shipping is usually enough.
  • Total flexibility: If canceling is difficult, the customer won't sign up. If it's easy, they'll stay.
  • Personalization: the pet's name, recommendations based on its age, and notifications when it enters a new life stage (from puppy to adult, from adult to senior).
  • Useful content: serving sizes, nutrition tips, and new products. An AI-powered assistant is available 24 hours a day to answer questions and recommend products from the catalog.

Common Mistakes When Launching a Subscription Service

  • The same frequencies for all customers.
  • Do not provide advance notice before each charge or shipment.
  • Hide the option to cancel or pause.
  • Do not measure: churn rate, recurring revenue, customer lifetime value, and reasons for cancellation.
  • Launch it without having inventory or logistics in place to handle recurring order spikes.

Conclusion

Selling pet food through a subscription model is one of the most profitable strategies in the industry: it turns a predictable purchase into recurring revenue and protects your brand from price wars. The key is to calculate the frequency carefully, offer flexibility, and integrate your store, CRM, and logistics.

Want to implement this in your store? At TRILOGI, we help brands and stores in the pet industry set up subscription services and automate repeat purchases. Let's talk.