OpenServed

Best Digital Marketing Agencies in London, United Kingdom (2026) – Ranked by Case Studies

SEO, PPC, Social Media Ads
Hospitality & Leisure
N/A
N/A
London, United Kingdom
N/A
  • 60+ print and online articles reaching an audience of 3.2 million+
  • 60+ influencer social posts across TikTok, Instagram, Facebook and X
  • Sell-out opening day
  • Broadcast coverage on ITV and BBC London
PPC, Content Marketing, Lead Generation
Manufacturing
N/A
N/A
London, United Kingdom
N/A
  • £1.13m revenue won in the CRM, 112 deals (Apr-Aug 2026)
  • 328 appointments booked
  • £70.9 returned for every £1 spent
SEO, Content Marketing
Recruitment
N/A
N/A
London, United Kingdom
N/A
  • Page-1 keywords grew from 71 (May 2022) to 314 (May 2025)
  • Monthly impressions up from 737K to 1.97M (May 2024 to May 2025)
  • Monthly clicks up from 13.8K to 14.3K (May 2024 to May 2025)
  • Average position improved from 30.7 to 26.3 (May 2024 to May 2025)
PPC, SEO
Retail
N/A
N/A
London, United Kingdom
N/A
  • £90K+ in online sales and £370K+ in offline sales
  • £1,043 average order value
  • 11K+ organic traffic and 37.6M+ organic impressions
  • 1.08% average CTR at a £0.82 average CPC
PPC, SEO
Jewelry
N/A
N/A
London, United Kingdom
N/A
  • 5.5M+ impressions across paid channels
  • 35,000+ outbound clicks
  • 100% of "Graff" keywords ranking on page 1
PPC, Lead Generation
Education
11-50 Employees
N/A
London, United Kingdom
N/A
  • 412% lead volume increase
  • 84% CPL reduction
Social Media Ads, Content Marketing, Branding
Education
11-50 Employees
N/A
London, United Kingdom
N/A
  • 117,649 LinkedIn ad reach across San Francisco and Atlanta
  • 1.18% total engagement rate versus 0.44% average LinkedIn CTR
PPC, Social Media Ads
Non Profit
N/A
N/A
London, United Kingdom
N/A
  • 3x Donation Increase
  • 29.99% CPA Decrease