HubSpot CRM vs Mailchimp: Which Is Right for Your UK Small Business?

Quick Verdict

If your small business needs a full customer relationship management system with sales pipelines, contact tracking, and room to grow, HubSpot CRM is the stronger choice. If your primary goal is sending professional email campaigns and nurturing a contact list without complexity, Mailchimp delivers excellent results at a low entry cost. Businesses serious about scaling their sales and marketing together will get far more long-term value from HubSpot CRM, whilst sole traders and micro-businesses focused purely on email outreach will find Mailchimp perfectly sufficient.

Key Differences

HubSpot CRM is a true all-in-one platform covering contact management, deal pipelines, marketing automation, and customer service tools. Mailchimp, whilst it has added basic CRM-style features over the years, remains fundamentally an email marketing platform. The two tools solve different problems: HubSpot CRM manages the entire customer relationship, whilst Mailchimp excels at communicating with those customers via email. For UK businesses navigating Making Tax Digital requirements, neither tool integrates directly with HMRC systems, though both focus on their respective strengths rather than accountancy. Both platforms include GDPR consent management tools, which is essential for any UK business collecting customer data.

Features

HubSpot CRM offers a genuinely impressive free tier, including unlimited users, contact management, deal tracking, email templates, and a live chat tool. Its mobile app allows sales teams to manage pipelines on the go, which is particularly useful for field-based businesses such as tradespeople or delivery services. As your subscription grows, you unlock advanced marketing automation, custom reporting, and service desk functionality. The breadth of features can feel overwhelming initially, and there is a real learning curve for beginners unfamiliar with CRM software.

Mailchimp shines with its intuitive drag-and-drop email builder, making it straightforward for a café owner or independent retailer to produce polished campaigns without design experience. Its free plan supports up to 500 contacts and 1,000 monthly sends. Built-in GDPR consent tools help UK businesses stay compliant when collecting subscriber data. Automation features cover welcome emails, follow-up sequences, and abandoned cart reminders for e-commerce businesses. Notably, Mailchimp is billed in USD, which means your costs in GBP will fluctuate slightly with exchange rates — worth bearing in mind when budgeting.

Pricing

HubSpot CRM offers a free plan with no time limit, which is genuinely feature-rich for smaller teams. Paid tiers begin with the Starter plan at approximately £15 per month, rising considerably for Professional and Enterprise tiers as your business scales. Costs can escalate quickly once you add additional hubs or increase contact limits, so it is worth planning ahead.

Mailchimp also offers a free plan capped at 500 contacts. Paid plans start at around £9–£11 per month (subject to USD conversion), with pricing increasing significantly as your contact list grows. This steep scaling cost is one of Mailchimp's most commonly cited drawbacks among growing UK businesses. Live support is restricted on lower-tier plans, which can be frustrating for those new to email marketing.

Which Should You Choose?

Choose HubSpot CRM if you run a service-based business — such as a garden centre, recruitment agency, or B2B consultancy — that needs to track leads, manage customer relationships, and coordinate sales and marketing in one place. Its GDPR compliance support and scalability make it well suited to growing UK businesses.

Choose Mailchimp if you are a sole trader, small retailer, or hospitality business primarily looking to send regular email newsletters and promotional campaigns to an existing customer base. It requires minimal setup and delivers strong results for straightforward email marketing needs.

For most UK small businesses with ambitions to grow, HubSpot CRM offers the more future-proof investment, whilst Mailchimp remains the go-to option for simple, effective email communication.