OpenServed

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

SoproVisit Website →
Wooshii Client-verified
Lead Generation, Email Marketing
Media & Broadcasting
51-200 Employees
N/A
London, United Kingdom
N/A
  • 1,813 high-quality leads generated
  • £200,000+ in revenue and 70% ROI, outperforming all other channels
On Device Research Client-verified
Lead Generation, Email Marketing
Professional Services
51-200 Employees
N/A
London, United Kingdom
N/A
  • Averaged 34 monthly leads
  • Leads across the UK, Singapore and Australia
Insureflow Client-verified
Lead Generation, Email Marketing
Insurance
11-50 Employees
N/A
London, United Kingdom
N/A
  • 100+ leads in under three months
  • Near 3% success rate from a data set of ~6,000 contacts
The BranxVisit Website →
docStribute Client-verified
Branding, Web Design
Fintech
11-50 Employees
N/A
London, United Kingdom
N/A
  • Delivered brand identity, web design and motion design
Screenloop Client-verified
Branding, Web Design
SaaS
11-50 Employees
N/A
London, United Kingdom
N/A
  • Delivered brand identity, web design and motion design
Causaly
Branding, Web Design
Biotechnology
N/A
N/A
London, United Kingdom
N/A
  • Delivered brand identity, web design and motion design
  • $93M in funding
Geeky TechVisit Website →
District Technologies Client-verified
SEO, Content Marketing
SaaS
11-50 Employees
N/A
London, United Kingdom
N/A
  • 1200% increase in page 1 rankings
  • 443% increase in users
  • 267% increase in goal conversions
Yoti Client-verified
SEO, Content Marketing
Technology
201-500 Employees
N/A
London, United Kingdom
N/A
  • 100% more monthly impressions over 12 months
  • 63% more monthly clicks over 12 months
  • 19 page-one keywords in 12 months
Signify Digital LtdVisit Website →
The Animation Guys Client-verified
SEO, Content Marketing
Media
1-10 Employees
N/A
London, United Kingdom
N/A
  • Ranking keywords up from 87 to 250+ in the first 6 months
  • 103% increase in organic traffic in 2021 versus 2020
  • 62% rise in top 10 keyword rankings in the first year
  • #1 for 'Animation Production London' within 6 months, from 26th
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
Figment AgencyVisit Website →
PC Docs Client-verified
SEO, Local SEO, Content Marketing
Technology
11-50 Employees
N/A
London, United Kingdom
N/A
  • 38% increase in organic traffic after the first year
  • 51 Top 3 rankings
  • 100+ Page 1 rankings
  • 217% increase in Google Maps views
Barry Bros Security
SEO, Web Design, Web Development
Home Services
11-50 Employees
N/A
London, United Kingdom
N/A
  • 30 No. 1 ranked keywords
  • 60+ Page 1 Google rankings
  • 100% traffic growth each year
  • 500% traffic increase since launch
One Avenue Group
SEO, Local SEO, Content Marketing
Real Estate
N/A
N/A
London, United Kingdom
N/A
  • 128% increase in impressions
  • 680% increase in top 10 commercial intent keywords
  • 35% increase in organic clicks
  • 843 website conversions since campaign kick-off
Whiteoaks InternationalVisit Website →
Glasswall Client-verified
Content Marketing, Lead Generation
Cyber Security
51-200 Employees
N/A
London, United Kingdom
N/A
  • 124+ pieces of coverage
  • 48+ national and broadcast media interviews, leading to 30 pieces of coverage
  • Marketing assets downloaded 70 times
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
New Perspective MarketingVisit Website →
Carbon Clean Client-verified
Branding, SEO, Lead Generation
Environmental Services
51-200 Employees
N/A
London, United Kingdom
N/A
  • $113M+ pipeline value created in the first year from online sources
  • +400% organic traffic over 6 months
  • +162% lead generation YoY
  • Millions added to pipeline within 60 days
Reflect DigitalVisit Website →
Ozone Coffee
SEO, Web Development, Content Marketing
Food & Beverage
51-200 Employees
N/A
London, United Kingdom
N/A
  • 187% increase in organic visibility
  • 99% increase in organic sessions
  • 31% increase in organic revenue
  • 243% increase in top 20 ranking keywords
Opayo
PPC, SEO, Content Marketing
Fintech
201-500 Employees
N/A
London, United Kingdom
N/A
  • 283% YoY increase in paid media leads
  • 87% reduction in CPA
  • 2.23% conversion rate in two months
  • 49% increase in conversion rate by month four
  • 182% increase in monthly leads
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
CTI DigitalVisit Website →
Drinkaware
SEO, PPC, Email Marketing
Non Profit
11-50 Employees
N/A
London, United Kingdom
N/A
  • +127% conversion rate from paid search
  • 77% open rate on targeted emails
  • +63% overall engagement
VisitBritain (Starring GREAT Britain)
Content Marketing, Web Design, Web Development
Government
201-500 Employees
N/A
London, United Kingdom
N/A
  • Interactive film-location platform driving inbound tourism interest across key markets
University of West London
Web Design, Web Development
University
1K-5K Employees
N/A
London, United Kingdom
N/A
  • +484% goal completions
  • +432% open day bookings
  • +139% international enquiries
  • -81% abandonment rate
RT7 DigitalVisit Website →
Monty Bojangles
PPC, Content Marketing
Food & Beverage
11-50 Employees
N/A
London, United Kingdom
N/A
  • Total account sales up 1,366% at an 18.2% ACoS
  • Campaign sales up 19% with TACoS down 87.9%
  • Click-through rate up 111%
  • Placed 3rd in the Amazon Ad Partner Awards for campaign results
eve Sleep
PPC, Content Marketing
Ecommerce
N/A
N/A
London, United Kingdom
N/A
  • Sales up 47% in 6 months; units sold up 28%
  • Sponsored Brand campaign sales up 124%
  • Brand Store page views up 151%
Rubik's
Content Marketing, PPC
Retail
N/A
N/A
London, United Kingdom
N/A
  • Sales up 418% in 6 months
  • Units sold up 445%
  • Campaign sales up 296%
  • Brand Store page views up 70%
MerkleVisit Website →
Currys
Marketing Automation, Personalization, Email Marketing
Retail
10K+ Employees
N/A
London, United Kingdom
N/A
  • 25% decrease in cost to serve messages
  • 3x increase in engagement
  • 33% increase in conversion YoY
  • 167% increase in CRM Revenue YoY
  • Campaign volume increased from 40 to over 200 campaigns
Ted Baker
Data & Analytics, CRM
Fashion
1K-5K Employees
N/A
London, United Kingdom
N/A
  • 50% boost in online sales month-on-month
  • 60% increase in in-store data capture
  • 17,237 discount code downloads
  • 16,330 new customer profiles added to marketing database
  • 1.2 million shoppers and prospects in single customer view
Legal & General
Programmatic Advertising, Data & Analytics
Insurance
10K+ Employees
N/A
London, United Kingdom
N/A
  • 40% decrease in average cost per click (CPC)
  • 96% increase in click volume across Generic Life Insurance campaigns
  • Manual maintenance time cut from 45 minutes to 10 minutes per day
PixatedVisit Website →
Bloom & Wild
PPC, SEO, Social Media Ads
Florist
N/A
N/A
London, United Kingdom
N/A
  • Ranking first for 90% of target search phrases
  • 122% increase in website conversions
  • 59% lower PPC CPA
  • 48% lower CPC
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
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
Exposure NinjaVisit Website →
Accelex
SEO, Content Marketing, CRO
Fintech
51-200 Employees
N/A
London, United Kingdom
N/A
  • 112% of lead target within 9 months
  • 17% organic traffic growth YoY
  • 65% increase in key solution page sessions
Master the Curriculum
Web Development, SEO
Education
1-10 Employees
N/A
London, United Kingdom
N/A
  • 70% increase in YoY traffic
  • 27,000 existing customer accounts migrated
  • 3,200 products successfully migrated
Clear Review
SEO, Content Marketing
SaaS
N/A
N/A
London, United Kingdom
N/A
  • $33 million cash exit achieved
  • 111 position 1 keyword rankings in US
  • 500+ social shares on PR content
MonksVisit Website →
Standard Chartered
Content Marketing, App Development, Experiential Marketing
Finance
10K+ Employees
N/A
London, United Kingdom
N/A
  • 76.4 million total views
  • 1.3 million social comments and engagements
  • 95% positive sentiment
  • 191 earned media coverage pieces
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
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
PMGVisit Website →
Travelex
SEO, Content Marketing, Data & Analytics
Finance
1K-5K Employees
N/A
London, United Kingdom
N/A
  • 31000 organic clicks in 6 months
  • 3.6 million organic impressions in 6 months
  • 33% YoY traffic growth
  • 21 new articles created
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
Community Fibre
Data & Analytics, Content Marketing
Telecom
501-1K Employees
N/A
London, United Kingdom
N/A
  • 139% increase in postcode lookups
  • 6.3% lift in consideration
  • 84% prompted brand awareness
  • 258% increase in YouTube searches
  • 38% decline in lookup CPA
RazorfishVisit Website →
Dove
Branding, Content Marketing, Influencer Marketing
Beauty
10K+ Employees
N/A
London, United Kingdom
N/A
  • 70% of women worldwide feel underrepresented in images they see
  • 2500+ companies & publications using the images
  • 80% of photo collection downloaded in 60+ countries
  • 73% of women say it inspires positive feelings about appearance
  • 40 accolades from 14 international award shows
Dove
Content Marketing, Public Relations, Web Development
Beauty
10K+ Employees
N/A
London, United Kingdom
N/A
  • 66+ million Americans experience appearance hate annually
  • $500+ billion annual impact on health, employment, productivity
  • 104 media outlets covered the campaign
  • 1.9B potential reach
  • 19pt lift in brand power in 10 days
Dove
Content Marketing, Influencer Marketing, Audio Advertising
Beauty
10K+ Employees
N/A
London, United Kingdom
N/A
  • 700M total impressions
  • 240M video views
  • 850k+ hours of content consumption
  • 51% CTR within target audience
  • 246 press placements, 90% featuring Dove in headlines
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
Reachdesk
SEO, Lead Generation
SaaS
51-200 Employees
N/A
London, United Kingdom
N/A
  • 5x return on investment
  • 420% increase in leads
Six Degrees
GEO, SEO
Technology
201-500 Employees
N/A
London, United Kingdom
N/A
  • #1 Google AI Overview citation
  • 200% rise in penetration testing conversions
AMBITIOUSVisit Website →
GlobalGiving UK
Content Marketing, Branding
Non Profit
11-50 Employees
N/A
London, United Kingdom
N/A
  • 40 pieces of coverage
  • 10m+ readers in combined circulation
  • 78% of articles focused primarily on GlobalGiving UK messaging
  • 11 media verticals reaching new audiences
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
Republic MarketingVisit Website →
Rove Legal
SEO, Content Marketing, CRO
Law Firm
1-10 Employees
N/A
London, United Kingdom
N/A
  • 11K new monthly website visitors
  • 960 new first-page keyword rankings (up from 19)
  • 1,979 keywords ranking in total
  • 195 keywords in the top 3 positions
  • 80% increase in enquiries
Lexus Law
Local SEO, Link Building, Content Marketing
Law Firm
1-10 Employees
N/A
London, United Kingdom
N/A
  • 12X increase in Domain Rating
  • 30 quality backlinks in one month
  • 3 hours of manual work saved weekly through automation
Hydra CreativeVisit Website →
ElectraLink
SEO, GEO
Energy
51-200 Employees
N/A
London, United Kingdom
N/A
  • 48.61% increase in engaged time on the website
  • Top spot on Google for several key search terms
  • Google AI Overview recognition
mua Group
Web Design, Web Development
Energy
11-50 Employees
N/A
London, United Kingdom
N/A
  • Site health score of 93.8%, 16.8% above the industry average
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%
Prime DigitalVisit Website →
London Steel Services
PPC, Lead Generation
Manufacturing
11-50 Employees
N/A
London, United Kingdom
N/A
  • -67% cost per lead (£89 to £29)
  • £49K revenue generated in the first two months
  • 70 leads delivered in seven weeks
  • 16x return on investment on under £3K ad spend
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
Ink DigitalVisit Website →
Dishoom
SEO, Local SEO
Restaurant
1K-5K Employees
N/A
London, United Kingdom
N/A
  • 60K increase in clicks
  • 19% increase in non-branded clicks
  • 152% increase in non-branded impressions
Bop DesignVisit Website →
Opus 2
Web Design, Branding
SaaS
201-500 Employees
N/A
London, United Kingdom
N/A
  • 25.44% increase in sessions
  • 8.42% increase in organic search sessions
  • 58.41% increase in direct search sessions
  • 6.77% increase in engaged sessions
  • 34.41% increase in new users
ClickSliceVisit Website →
Furl (AEO)
AEO, GEO
Furniture
11-50 Employees
N/A
London, United Kingdom
N/A
  • AI visibility share tripled from ~5% to ~15%
  • Citation share up from 0.5% to 4.5%, #1 across tracked prompts
  • #1 visibility for "luxury sofa bed" prompts
SEO BrandVisit Website →
MOO
SEO, GEO
Printing
201-500 Employees
N/A
London, United Kingdom
N/A
  • 1,500%+ increase in monthly ChatGPT citations
  • 44% increase in Gemini visibility
  • 3,000%+ increase in total monthly AI impressions
  • 600+ pages cited by AI models
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
R/GAVisit Website →
BBC
Branding, Content Marketing
Media & Broadcasting
10K+ Employees
N/A
London, United Kingdom
N/A
  • +25% intent to visit from the ad (over benchmark)
  • 90th percentile attention
  • +37% video completion rate
  • +13% click through rate
  • +31% lift in ad recall
Page One PowerVisit Website →
Kreo
SEO, Content Marketing
SaaS
11-50 Employees
N/A
London, United Kingdom
N/A
  • 216% Increase in Total Ranking Keywords
  • 394% Increase in Keywords in Top 10
  • 177% Increase in Organic Traffic YoY