Top Lead Generation Agencies in London

Founded in Kyiv in 2015, RegisTeam is a growth marketing agency that works with clients in the United States, Europe and Australia. Its work is built around two disciplines that carry most of its projects: search engine optimization and pay-per-click advertising, with CRM consulting and analytics supporting both. On the SEO side, the team handles technical audits, content and link building, and a newer line of work on visibility in AI search — making sure brands are cited in answers from ChatGPT, Google AI Overviews and similar tools. On the paid side, it plans and manages Google Ads accounts, from launch and tracking setup to ongoing optimization. CRM and automation projects connect marketing data to sales, so lead quality can be measured rather than guessed. According to its Clutch profile, RegisTeam has delivered more than 1,300 projects in over 25 countries and holds a 5.0 rating across 69 client reviews.

E-commerce brands make up roughly 70% of the more than 120 brands that Stride Up says it manages. The Paris performance marketing agency has operated since 2019, and clients it lists include Kerastase (L'Oreal), Cabaia, The Bradery and FEED. Its offer combines paid search, social advertising and ChatGPT ads with an in-house creative studio that produces ad content. Organic work covers SEO and GEO for AI-driven answers, and the agency also runs email marketing and lead generation, manages brands on Amazon, and builds AI and automation workflows. Its client sectors include insurance and e-commerce. It also offers marketing consulting. Stride Up works with brands in France, in London and Manchester in the UK, and in US states such as Arizona, Colorado, Georgia, Massachusetts and Washington. It is most useful for direct-to-consumer brands that sell on their own sites and on Amazon, and that want media buying, creative production and retention campaigns run together by a team that already manages many online retailers.

IOI Solutions focuses on the automotive industry. It is a performance marketing agency based in Los Angeles. Its clients are vehicle manufacturers, dealerships and collision repair shops. The agency works through its own Max Acquisition methodology, which combines paid advertising, SEO, conversion rate optimization, creative and revenue operations with call tracking and CRM attribution. It also works on visibility in AI search for automotive businesses, and it offers email marketing and lead generation. IOI Solutions says it has served more than 75 brands, and that its service packages start at $4,000 per month. The agency works with clients in California, including Los Angeles and San Diego, and in states such as Massachusetts, Minnesota, Virginia and Washington, as well as London and Manchester. It is a sound choice for dealer groups, auto brands and body shops that want marketing measured against revenue, and that have the budget for an agency focused on their industry.