OpenServed

Best Social Media Ads Agencies in London, United Kingdom (2026) – Ranked by Case Studies

PixatedVisit Website →
ActivTrades
Social Media Ads
Finance
N/A
N/A
London, United Kingdom
N/A
  • 102% increase in LinkedIn impressions YoY
  • 74% increase in French Facebook reach
  • 100% increase in Italian LinkedIn impressions
BBC Good Food
PPC, Social Media Ads
Media & Broadcasting
N/A
N/A
London, United Kingdom
N/A
  • 71% increase in app installs
  • 35% reduction in CPI
  • 50% increase in in-app conversions
  • 36% increase in app engagement
Boden
PPC, Social Media Ads
Fashion
N/A
N/A
London, United Kingdom
N/A
  • 31% increase in online sales
  • 479% increase in paid traffic
  • 45% ROAS increase on Facebook and 78% on PPC
  • 39% CPA decrease on Facebook and 81% on PPC
Signify Digital LtdVisit Website →
Vala Health
PPC, Social Media Ads, Content Marketing
Healthcare
11-50 Employees
N/A
London, United Kingdom
N/A
  • 39.9% increase in conversions after optimising Google Ads
  • 30+ pieces of industry-focused content created
  • 150+ average PPC conversions per month for the online GP service
Marvellous Escapes
PPC, Social Media Ads, SEO
Travel
1-10 Employees
N/A
London, United Kingdom
N/A
  • 120 conversions in the first 3 months of paid social
  • 87% increase in new leads generated from PPC
  • 27% improvement in cost per lead
  • 93% more confirmed bookings from March to September
Reflect DigitalVisit Website →
Nido Living
SEO, Social Media Ads, PPC
Real Estate
51-200 Employees
N/A
London, United Kingdom
N/A
  • 2,143% return on investment
  • 7.7 return on ad spend
  • 113% YoY increase in organic sessions
  • 363% increase in phone calls from ads
  • €1M revenue generated
Greenwich Peninsula
SEO, Social Media Ads, PPC
Real Estate
N/A
N/A
London, United Kingdom
N/A
  • 2,985% return on ad spend
  • 104% increase in paid leads year on year
  • 70% YoY increase in leads (organic search and paid)
  • 13,595% increase in branded organic visibility
  • 4 property sales directly attributable to paid activity
MonksVisit Website →
Dove
Influencer Marketing, Social Media Ads
Beauty
10K+ Employees
N/A
London, United Kingdom
N/A
  • 600000 total views
  • 4.8% average engagement rate across 11 creators
LIV Golf
Content Marketing, AI, Social Media Ads
Entertainment
201-500 Employees
N/A
London, United Kingdom
N/A
  • 80% of viewers more excited about the future of golf (24% lift vs 2023 ad)
  • 35M impressions delivered
  • 457,466 clicks
  • 17.9M audience reached across New York; Los Angeles; and Chicago
TexonicaVisit Website →
Edge of Ember
Social Media Ads, PPC
Jewelry
1-10 Employees
N/A
London, United Kingdom
N/A
  • Facebook ad spend scaled from $3k to $16k+ a month at 2.5-3x ROAS
  • 5.25x revenue growth
  • Google Ads ROAS from 262% to 500%
  • Google Ads conversions more than doubled, revenue +110%
AMBITIOUSVisit Website →
TympaHealth
Content Marketing, Social Media Ads
Healthcare
51-200 Employees
N/A
London, United Kingdom
N/A
  • 1m+ audience reach from 12 pieces of coverage
  • 50% increase in reach from social media advertising
  • 50% increase in page views vs the previous four months
  • 67 average media outlet DA
Odyssey New MediaVisit Website →
Scruffy Dog Creative Group
SEO, PPC, Social Media Ads
Arts & Entertainment
51-200 Employees
N/A
London, United Kingdom
N/A
  • +320% page 1 rankings increase
  • +304% organic traffic increase
  • +2 new brands
MoburstVisit Website →
Gett
Programmatic Advertising, Social Media Ads
Ride-Hailing
501-1K Employees
N/A
London, United Kingdom
N/A
  • 23,125 total installs (October-December)
  • $2.87 iOS CPI
  • $3.00 overall average CPI
  • 49% install-to-registration conversion rate
PMGVisit Website →
New Scientist
Data & Analytics, Social Media Ads, YouTube Advertising
Publishing
51-200 Employees
N/A
London, United Kingdom
N/A
  • 77% YoY increase in subscriptions
  • 5 million new users reached
  • 59% YouTube in-stream view rate (74% above benchmark)
  • Doubled newsletter subscriptions
  • 60% growth in brand impressions
Allies GroupVisit Website →
Summit: Ally Pally (Wire & Sky)
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
Whiteoaks InternationalVisit Website →
The Marketors
Social Media Ads, Content Marketing
Professional Services
N/A
N/A
London, United Kingdom
N/A
  • 2,800+ Twitter followers gained, 480% audience growth
  • 4,400+ engagements at a 1.18% average engagement rate
  • 500,000+ organic impressions on Twitter
POLARISVisit Website →
Bateaux London
SEO, PPC, Social Media Ads
Travel
N/A
N/A
London, United Kingdom
N/A
  • 85% increase in keywords ranking in the top 3 positions
  • 2,486% ROI through closed won revenue
  • 32% increase in brand visibility
Transform CommsVisit Website →
Olivier Mythodrama
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
PrimalVisit Website →
World Animal Protection
PPC, Social Media Ads
Non Profit
N/A
N/A
London, United Kingdom
N/A
  • 3x Donation Increase
  • 29.99% CPA Decrease

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