Compare Agency51 vs Infinity Group UK

Side-by-side comparison of features, pricing, services, ratings and more.

Winner

Agency51

Cold Email Outreach Website

UK-based digital agency founded in 2014 that designs and builds e-commerce, brochureware, and WordPress websites. It drives sales and leads through PPC, SEO, email marketing, conversion rate optimisation, content marketing, and PR. The team works with businesses of any industry and size from its headquarters in York.

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Infinity Group UK

Web Development & Technology Website

Infinity Group UK is a Microsoft Partner and managed service provider based in London. The company offers technology services including AI, cybersecurity, and cloud solutions. It was founded in 2021 and employs between 100 and 249 people.

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Feature Comparison

Attribute	Agency51	Infinity Group UK
Category	Cold Email Outreach	Web Development & Technology
Rating	Winner +0.3 higher
Location	York, United Kingdom	London, United Kingdom
Services	Digital Marketing SEO PPC Email Marketing Content Marketing eCommerce Development WordPress Website Design Conversion Rate Optimisation PR Cybersecurity Managed Services IT Services AI Development ERP Consulting CRM Consulting	Digital Marketing SEO PPC Email Marketing Content Marketing eCommerce Development WordPress Website Design Conversion Rate Optimisation PR Cybersecurity Managed Services IT Services AI Development ERP Consulting CRM Consulting
Industries	-	Software & IT Services Real Estate Corporate Services Energy & Mining Finance Government Home & Garden Manufacturing Retail
Pros	Holds a 4.9 out of 5 Google rating from 11 reviews Reviewers describe the team as creative, efficient, reliable, and quick to respond Clients report strong results in PPC, SEO, and design work Reviewers say the agency works to client budgets and understands brand voice	Named Microsoft Partner of the Year 2025 for Business Central expertise Holds Inner Circle membership reserved for top 1% of Microsoft Partners globally Reports 97.3% customer satisfaction rate and 98.1% client retention rate Average service desk response time of one minute
Cons	-	Some clients report slow account management and unclear invoicing
Website	Visit Site	Visit Site

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Free Plan Available

You shouldn’t have to overpay for cold email tools. With Mystrika, you won’t.

It does cold email warmup, sequences, unified inbox, and AI writing - all in one place. Every other tool that does this charges somewhere between $100 and $500 a month. Mystrika has a free plan. 500 prospects. No expiry. No card.

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