Best Social Media Ads Agencies in the United Kingdom (2026) – Ranked by Case Studies
Caribbean Blinds Client-verified
- 350% one-day increase in site traffic
- 137,460 Instagram campaign reach
- Instagram link clicks up 1,739% month on month
Droylsden Glass Client-verified
- Instagram followers up 593%
- Verified contact forms up 396%
- Organic website sessions up 234%
Sherborne Windows Client-verified
- Organic user growth of 135% since 2021
Pearman Briggs Client-verified
- 1m+ video views over thirty months of films and Reels
Woodstock Campers Client-verified
- 2,215 Meta Ads leads at £12.50 each (Aug 2025-Aug 2026)
- Facebook followers up 4,497 in month one
- 456,673 video views
- One film passed 300,000 views in two days
British Forces Broadcasting Service (BFBS) Client-verified
- Just under 1,400 registrations, about 40% above the 1,000 target
- 3.37% conversion rate from 9M impressions
- £28.05 combined cost per acquisition across Meta and TikTok
- Target beaten using only 50% of the budget
- 55% increase in attributed revenue
- 27% year on year decrease in CPA
- 57% uplift in ROAS year on year
- £98 CPA achieved against a £120 target
- 92% increase in purchases
- 35% drop in cost per postcode check
EnviroVent (Meta Ads) Client-verified
- 93% increase in leads
- 185% increase in CTR
- 36% decrease in CPL
- 78% increase in ROAS
- 35% decrease in CPA
- 57% CTR increase
- 200% sales increase
- 523% revenue increase
- 440% increase in ROAS
- 565 pieces of coverage across the partnership
- 3.5 million+ people reached
- Nearly 3,000 new followers
- Mobile Mini Meals raised £20,000+ for foodbanks
- 36 pieces of coverage for Mobile Mini Meals
- LinkedIn followers up from 2,256 to 8,099 (2016 to Dec 2018)
- Twitter followers up from 140 to 1,810
- 2021 campaign: Twitter 124% and Instagram 102% of target
- LinkedIn reached 17,250 followers, 96% of target
- 21,000+ clicks and landing page visits across all platforms
- 1.9 million impressions delivered
- Nearly 1 million users reached
- Google Search CPC as low as £0.41
- Meta traffic from as low as £0.12-£0.30 per visit
- 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
- 137.4% YoY increase in new revenue against a 23% target
- 1,652% return on investment
- 42% increase in new customers
- 14,000% increase in care landing page conversions
- 45k+ users across Europe and 58k site visits
- 1,500 breweries signed up
- 50+ backlinks including Guardian, Independent, MailOnline
- £5 million spent via the website
- +320% page 1 rankings increase
- +304% organic traffic increase
- +2 new brands
- +169% organic search increase
- +209% page 1 rankings increase
- +20% referring domains
- +75% organic traffic increase
- +66% total traffic increase
- 23 average monthly leads
- Page views up 44%
- Impressions up 13%
- Social engagement up 62%
- 70,000 LinkedIn impressions, 2,065 reactions in a year
- LinkedIn followers grew from under 1,000 to 3,600+ since 2015
- Blog received 1,612 sessions
- £260,000 in new business from developers in 2024
- £3.5M in new deals influenced by marketing since March 2024
- £1.3M in won work attributed to marketing
- 102% increase in LinkedIn impressions YoY
- 74% increase in French Facebook reach
- 100% increase in Italian LinkedIn impressions
- 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
- 71% increase in app installs
- 35% reduction in CPI
- 50% increase in in-app conversions
- 36% increase in app engagement
- +29 Increase in Brand Lift for Consideration and Favorability
- 297M Earned Media Impressions
- 93% Increase in Brand Awareness
- 7.6M Impressions
- 753K Households Reached
- +11.7% Ad Recall
- 47% Higher Conversion Rate Among GLP-1 Users vs Standard Audiences
- +7pts Brand Consideration Among GLP-1 Users
- 2X Greater ROAS vs Previous Digestive Health Multibrand Efforts
- +215% orders versus six months earlier
- £83,000 budget reached 11.9M people, beating a £1M TV campaign's 10.3M
- Online sales doubled from £7,300 to £14,000 a month
- +3,515% social engagement and +101% website traffic
- +232% revenue
- +36% organic page views
- 5.3M TikTok views
- +10.2% user engagement
- +93% revenue and +232% digital revenue
- +40% organic sessions
- £6.97 cost per acquisition
- +60.6% social media growth
- 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
- 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
- 409,000 London Commuters Reached
- 248,000 Social Impressions Led to 2.2M More Opportunities to See
- 60% Positive Sentiment vs 2% Negative on Social
- 24% ABL Share of Voice, Up from 6% Pre-Campaign
- 42% YoY Reduction in CPC
- 68% YoY Reduction in CPA
- 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
- 1.5K+ pieces of coverage
- 1.5m organic social media reach
- 500K new website users
- 25% YoY increase in ticket sales after press event
- +5% garden brand awareness
- +£370k garden sales generation
- 97% bathroom brand recall
- +9% bathroom brand preference
- 40% bathroom purchase intent
- 8M Londoners reached
- £49.50 average donation against a £32 target
- 600000 total views
- 4.8% average engagement rate across 11 creators
- 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
- 56 people registered, with further drop-in attendance
- Online and in-person sessions across five local authority areas
- Bilingual booking system and PR and social media campaign
- 90%+ of stakeholders said the campaign raised awareness of social enterprises
- Campaign ran across seven counties in Wales
- Brand still in use more than a year later
- 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%
- 1,073 leads over 6 admission cycles
- 80% MQL rate
- 40% of MQLs converted to applications
- 23,125 total installs (October-December)
- $2.87 iOS CPI
- $3.00 overall average CPI
- 49% install-to-registration conversion rate
- 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
- 8.58 ROAS
- $11.19 Cost Per Purchase
- 8,598 Purchases
- 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
- 2,800+ Twitter followers gained, 480% audience growth
- 4,400+ engagements at a 1.18% average engagement rate
- 500,000+ organic impressions on Twitter
- +340% monthly leads in a single quarter
- -62% cost per lead
- -58% Meta prospecting CPL (£122 to £51)
- +487% Meta prospecting volume (15 to 88 leads a month)
- 250% e-commerce sales
- 300% website traffic
- 500+ customer base
- 85% increase in keywords ranking in the top 3 positions
- 2,486% ROI through closed won revenue
- 32% increase in brand visibility
- 596 Purchases
- 991,854 Impressions
- £8.07 Cost Per Purchase
- 117,649 LinkedIn ad reach across San Francisco and Atlanta
- 1.18% total engagement rate versus 0.44% average LinkedIn CTR
- +44 new web pages
- +1 fresh email marketing campaign
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