OpenServed

Best Web Development Agencies in the United Kingdom (2026) – Ranked by Case Studies

Web Development, Web Design, SEO
Non Profit
201-500 Employees
N/A
Birmingham, United Kingdom
N/A
  • 129-page website built to a 12-week deadline
  • Launched on schedule on a new website framework
  • Year-on-year website and SEO support
Wrights Plastics Client-verified
Web Development, Web Design, SEO
Manufacturing
51-200 Employees
N/A
West Bromwich, United Kingdom
N/A
  • Magento website rebuilt after company acquisition
  • Client reports revenue moving back up
Web Development
Non Profit
N/A
N/A
Rugby, United Kingdom
N/A
  • Ongoing technical support and maintenance of Joomla-based websites
Web Development
Non Profit
201-500 Employees
N/A
Sidmouth, United Kingdom
N/A
  • Drupal 10 rebuild with an Adobe Commerce retail shop
  • Improved engagement and retail revenue
Web Development
Education
5K-10K Employees
N/A
London, United Kingdom
N/A
  • -40% page load times
  • -75% deployment downtime (4.5 hours down to 3.5 hours)
  • Serves 10,000+ content editors globally
Web Development
Government
501-1K Employees
N/A
Manchester, United Kingdom
N/A
  • +167% goal completions
  • +153% conversion rates
  • -75.13% application abandonments
Prime Facility Services Client-verified
SEO, PPC, Web Development
Cleaning
501-1K Employees
N/A
Telford, United Kingdom
N/A
  • +1,886% organic search traffic
  • +533% organic search conversions
  • +32,600% total ranking terms
SEO, PPC, Web Development
Electronics Repair
1-10 Employees
N/A
Birmingham, United Kingdom
N/A
  • +1,115% web traffic increase
  • +399% paid traffic increase
  • +460% page 1 rankings
Kent Foods Direct Client-verified
Web Design, Web Development
Food & Beverage
51-200 Employees
N/A
Renfrew, United Kingdom
N/A
  • New website for the UK's largest independent sugar distributor
Web Development
Transportation
1K-5K Employees
N/A
London, United Kingdom
N/A
  • +11% transactions
  • +13% revenue
  • +19% desktop conversion rate
Web Development
Retail
10K+ Employees
N/A
Manchester, United Kingdom
N/A
  • +50% net sentiment, the most talked-about grocer on social
  • +336% average time on page for the new site
  • -80% site searches (users found what they wanted faster)
  • 96% brand recall in creative testing
  • 1,072 conversions and £35,000 revenue from one display ad in a quarter
Web Development
Retail
N/A
N/A
London, United Kingdom
N/A
  • +10% search conversion rate year on year with Google Cloud AI Commerce Search
  • +2.2% revenue per user in A/B testing
  • 340,000 products and 26M events audited in 2 weeks; production solution in 12 weeks
Web Design, Web Development
Healthcare
1-10 Employees
N/A
Sheffield, United Kingdom
N/A
  • 102.72% increase in sessions year on year
  • 109.24% rise in individual users year on year
  • 64.77% growth in page views year on year
  • 34% increase in pages viewed per session
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
Web Design, Web Development
Retail
1-10 Employees
N/A
Sheffield, United Kingdom
N/A
  • 50% increase in website visits month on month since launch
Web Design, Web Development
Non Profit
1-10 Employees
N/A
Belfast, United Kingdom
N/A
  • 72% on-page SEO score
  • 75 ms desktop interactivity
CRO, Web Development
Environmental Services
11-50 Employees
N/A
Warrenpoint, United Kingdom
N/A
  • GTmetrix performance score rose from 17 to 100%
  • 96% structure score
Web Design, Web Development, SEO
Non Profit
1-10 Employees
N/A
Belfast, United Kingdom
N/A
  • 800+ organic visitors per month
  • Ranks for close to 1,000 keywords
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
Web Design, Web Development, Social Media Ads
Food & Beverage
51-200 Employees
N/A
Paddock Wood, United Kingdom
N/A
  • 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
SEO, Email Marketing, Web Development
Manufacturing
N/A
N/A
Bradford, United Kingdom
N/A
  • Organic sessions up 25% over 18 months
  • Monthly web conversions doubled over two years
  • First page ranking for all types of commercial bar design
Web Development, SEO, Social Media Ads
Manufacturing
N/A
N/A
Huddersfield, United Kingdom
N/A
  • Leads up 200%
  • Turnover grew from £450K to over £1m
  • Organic users from 550 to 1,000+ per month
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
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
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
Web Development, SEO, Social Media Ads
Retail
N/A
N/A
Uxbridge, United Kingdom
N/A
  • 250% e-commerce sales
  • 300% website traffic
  • 500+ customer base
Web Development, SEO
Supplements
N/A
N/A
Bournemouth, United Kingdom
N/A
  • 81% increase in organic search traffic in the first month
  • Ranking for 20+ key search terms
  • 80% month-on-month traffic increase after launch
  • Featured snippet for 'Ginkgo Biloba for Hair Regrowth'
PPC, SEO, Web Development
Automotive
N/A
N/A
Beaconsfield, United Kingdom
N/A
  • 1.55m local ad impressions for £1,461
  • Second on Google for "Mercedes specialist High Wycombe"
eCommerce Optimization, Web Development
Restaurant
10K+ Employees
N/A
London, United Kingdom
N/A
  • 3 international transactional websites

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