Company lists · Data refreshed September 2026
Top 25 Custom web development agencies based in London, United Kingdom
RevenueBase identified 1,406 company matches for custom web development agencies associated with London, United Kingdom as of September 2026 and tracks 12,416 professional contacts across them, including 711 with verified work emails and 673 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for custom web development agencies associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 9, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest custom web development agencies based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 74 contacts → | ||||
Exact match “Turn Up Technologies is a digital growth IT firm headquartered in London, UK with offices across the Texas, UAE, Canada, and Pakistan.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 2 | 50 contacts → | ||||
Exact match “Your expert WordPress agency partner for performance and personalisation.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 3 | 47 contacts → | ||||
Exact match “Fat Beehive is a specialist charity web design agency that builds beautiful Drupal and Wordpress websites for NGOs, social enterprises and other non-profits.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 4 | 44 contacts → | ||||
Exact match “KD Web is an award winning internet marketing, web design and creative agency, providing SEO, polished website design, Ecommerce and CMS systems as well as branding and graphic…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 5 | 43 contacts → | ||||
Exact match “Over 25 years of experience; over projects delivered and clients in 10 different countries.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 6 | 39 contacts → | ||||
Exact match “A2Z Creatorz is one of the Leading Web Services Provider in the world, services includes, Website Designing, Development, Online Applications, Portal…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 7 | 35 contacts → | ||||
Exact match “Big Blue Door is a web & digital development and hosting agency with substantial experience in designing, developing and maintaining high quality, high impact, open source…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 8 | 33 contacts → | ||||
Exact match “was founded by a team of web designers and online software developers in 2001, as a partnership between great design and powerful database-driven systems.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 9 | 28 contacts → | ||||
Exact match “We are a software development company that designs, develops, and deploys software solutions for organizations across industries.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 10 | 27 contacts → | ||||
Exact match “We’re a team of talented creatives who live and breathe great design.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 11 | 27 contacts → | ||||
Exact match “At Ninos Global Technology, we are passionate about empowering businesses and individuals with cutting-edge digital solutions.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 12 | 26 contacts → | ||||
Exact match “We’re a hand-picked global team of exceptional designers, engineers, SEO experts and paid media specialists, crafting websites and digital experience that work as hard as you do.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 13 | 26 contacts → | ||||
Exact match “Meet the Pixel Point creative web agency!” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 14 | 23 contacts → | ||||
Exact match “WP Minds is a WordPress design, development, maintenance and SEO agency helping coaches, consultants and other service professionals grow with high performing WordPress websites…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 15 | 22 contacts → | ||||
Exact match “B Corp Certified.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 16 | 21 contacts → | ||||
Exact match “Techcurl is a leading agile development company specialising in Web and mobile development helping businesses deliver projects on time and budget.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 17 | 21 contacts → | ||||
Exact match “Infovinity Systems offers the e-commerce development solutions that will act as the link between your internet business and world."Clever Technology can be easy to use, Really…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 18 | 20 contacts → | ||||
Exact match “DevsStream provides software development solutions and services all over the world.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 19 | 19 contacts → | ||||
Exact match “Webermelon is a website & software development company for your SaaS, PaaS and WordPress websites.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 20 | 18 contacts → | ||||
Exact match “Award-winning designs, backed up with beautiful bespoke code to create future proof and lightening-fast website and web app experiences.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 21 | 18 contacts → | ||||
Exact match “Onexcell is a digital solutions agency crafting immersive experiences that shape the future.Our legacy is built on quality, innovation, and customer satisfaction.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 22 | 18 contacts → | ||||
Exact match “Softexpoit's team of experts combines technical expertise and creativity to develop custom software, mobile app, and web app solutions that meet your specific business/official…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 23 | 17 contacts → | ||||
Exact match “Vsourz is an international technology partner helping organisations turn digital ambition into production-ready outcomes.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 24 | 17 contacts → | ||||
Exact match “We are a WordPress and e-commerce agency specialising in strategy, design and development for mid-market and enterprise organisations.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
| 25 | 17 contacts → | ||||
Exact match “Lilo is an award winning web design agency delivering expert and cost effective solutions.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “custom web development agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,406 custom web development agencies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 711 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Custom web development agencies based in London, United Kingdom at a glance
As of Sep 9, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 12.0dCompany record updated
Median 67.0dHow this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with London, United Kingdom whose business descriptions match “custom web development agencies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 711 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 9, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Custom web development agencies by metro in the United Kingdom
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “custom web development agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many custom web development agencies are there based in London, United Kingdom?
RevenueBase identified 1,406 company matches for custom web development agencies associated with London, United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Turn UP Technologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United Kingdom has the most custom web development agencies?
London leads the United Kingdom with 2,037 company records, followed by Manchester (237) and Birmingham (149).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 711 professional contacts with verified work emails tracked across these 1,406 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,406 custom web development agencies based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Custom web development agencies by geography
- Custom web development agencies based in the United States
- Custom web development agencies based in the United Kingdom
- Custom web development agencies based in France
- Custom web development agencies based in Canada
- Custom web development agencies based in the Netherlands
- Custom web development agencies based in Brazil
- Custom web development agencies based in Germany
- Custom web development agencies based in Australia
- Custom web development agencies based in Italy
- Custom web development agencies based in Spain
- Custom web development agencies based in South Africa
- Custom web development agencies based in Poland
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Custom web development agencies based in the United States
- Custom web development agencies based in the United Kingdom
- Custom web development agencies based in France
- Custom web development agencies based in Canada
- Custom web development agencies based in the Netherlands
- Custom web development agencies based in Brazil
Company intelligence · public preview
Top 25 custom web development agencies based in London, United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,406 matching company records for custom web development agencies based in London, United Kingdom, with 12,416 tracked contacts and 711 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 custom web development agencies based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Turn UP Technologiesturnuptechnologies.coHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 74 contacts → |
“Turn Up Technologies is a digital growth IT firm headquartered in London, UK with offices across the Texas, UAE, Canada, and Pakistan.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Filterfilteragency.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 50 contacts → |
“Your expert WordPress agency partner for performance and personalisation.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  FAT Beehivefatbeehive.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 47 contacts → |
“Fat Beehive is a specialist charity web design agency that builds beautiful Drupal and Wordpress websites for NGOs, social enterprises and other non-profits.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  KD WEBkdweb.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 44 contacts → |
“KD Web is an award winning internet marketing, web design and creative agency, providing SEO, polished website design, Ecommerce and CMS systems as well as branding and graphic…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  QTECHqtechnetworks.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 43 contacts → |
“Over 25 years of experience; over projects delivered and clients in 10 different countries.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  A2z Creatorz Trusted Digital Partnera2zcreatorz.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 39 contacts → |
“A2Z Creatorz is one of the Leading Web Services Provider in the world, services includes, Website Designing, Development, Online Applications, Portal…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  BIG Blue Doorbigbluedoor.netHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Big Blue Door is a web & digital development and hosting agency with substantial experience in designing, developing and maintaining high quality, high impact, open source…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Gnomen LTDgnomen.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“was founded by a team of web designers and online software developers in 2001, as a partnership between great design and powerful database-driven systems.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Incode Systems Web, Mobile & AI Product Developmentincode-systems.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“We are a software development company that designs, develops, and deploys software solutions for organizations across industries.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  KOTAkota.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“We’re a team of talented creatives who live and breathe great design.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Ninos Global Techninosglobaltech.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“At Ninos Global Technology, we are passionate about empowering businesses and individuals with cutting-edge digital solutions.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Yellowballweareyellowball.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 26 contacts → |
“We’re a hand-picked global team of exceptional designers, engineers, SEO experts and paid media specialists, crafting websites and digital experience that work as hard as you do.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Pixel Point LTDpixelpoint.ioHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Meet the Pixel Point creative web agency!” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  WP Mindswpminds.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 23 contacts → |
“WP Minds is a WordPress design, development, maintenance and SEO agency helping coaches, consultants and other service professionals grow with high performing WordPress websites…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  KITTYwearekitty.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 22 contacts → |
“B Corp Certified.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Techcurl Media Solutionstechcurl.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Techcurl is a leading agile development company specialising in Web and mobile development helping businesses deliver projects on time and budget.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Infovinity Systems Pvt. Limitedinfovinity.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 21 contacts → |
“Infovinity Systems offers the e-commerce development solutions that will act as the link between your internet business and world."Clever Technology can be easy to use, Really…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Devsstream Limiteddevsstream.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 20 contacts → |
“DevsStream provides software development solutions and services all over the world.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Webermelonwebermelon.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Webermelon is a website & software development company for your SaaS, PaaS and WordPress websites.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  UMI Digitalumidigital.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Award-winning designs, backed up with beautiful bespoke code to create future proof and lightening-fast website and web app experiences.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Onexcellonexcell.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 18 contacts → |
“Onexcell is a digital solutions agency crafting immersive experiences that shape the future.Our legacy is built on quality, innovation, and customer satisfaction.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Softexpoitsoftexpoitlimited.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Softexpoit's team of experts combines technical expertise and creativity to develop custom software, mobile app, and web app solutions that meet your specific business/official…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Vsourzvsourz.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 17 contacts → |
“Vsourz is an international technology partner helping organisations turn digital ambition into production-ready outcomes.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Elementary Digitalelementarydigital.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are a WordPress and e-commerce agency specialising in strategy, design and development for mid-market and enterprise organisations.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Lilo WEB Designlilo.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Lilo is an award winning web design agency delivering expert and cost effective solutions.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,406 company matches
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Custom web development agencies: dataset insights
September 9, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,399 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 12.0dCompany record updated
Median 67.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Custom web development agencies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for custom web development agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many custom web development agencies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 1,406 matching company records, 12,416 tracked contacts and 711 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Custom web development agencies by geography
- Custom web development agencies based in the United States
- Custom web development agencies based in the United Kingdom
- Custom web development agencies based in France
- Custom web development agencies based in Canada
- Custom web development agencies based in the Netherlands
- Custom web development agencies based in Brazil
- Custom web development agencies based in Germany
- Custom web development agencies based in Australia
- Custom web development agencies based in Italy
- Custom web development agencies based in Spain
- Custom web development agencies based in South Africa
- Custom web development agencies based in Poland
Cite this list
RevenueBase Data Team. Top 25 custom web development agencies based in London, United Kingdom. Snapshot: September 9, 2026. https://revenuebase.ai/companies/custom-web-development-agencies/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Custom web development agencies based in the United States
- Custom web development agencies based in the United Kingdom
- Custom web development agencies based in France
- Custom web development agencies based in Canada
- Custom web development agencies based in the Netherlands
- Custom web development agencies based in Brazil
Company intelligence · public preview
Top 25 custom web development agencies based in London, United Kingdom
RevenueBase records 1,406 matching company records for custom web development agencies based in London, United Kingdom, with 12,416 tracked contacts and 711 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 custom web development agencies based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Turn UP Technologiesturnuptechnologies.co HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 74 contacts → |
“Turn Up Technologies is a digital growth IT firm headquartered in London, UK with offices across the Texas, UAE, Canada, and Pakistan.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Filterfilteragency.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 50 contacts → |
“Your expert WordPress agency partner for performance and personalisation.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | FAT Beehivefatbeehive.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 47 contacts → |
“Fat Beehive is a specialist charity web design agency that builds beautiful Drupal and Wordpress websites for NGOs, social enterprises and other non-profits.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | KD WEBkdweb.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 44 contacts → |
“KD Web is an award winning internet marketing, web design and creative agency, providing SEO, polished website design, Ecommerce and CMS systems as well as branding and graphic…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | QTECHqtechnetworks.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 43 contacts → |
“Over 25 years of experience; over projects delivered and clients in 10 different countries.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | A2z Creatorz Trusted Digital Partnera2zcreatorz.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 39 contacts → |
“A2Z Creatorz is one of the Leading Web Services Provider in the world, services includes, Website Designing, Development, Online Applications, Portal…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | BIG Blue Doorbigbluedoor.net HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Big Blue Door is a web & digital development and hosting agency with substantial experience in designing, developing and maintaining high quality, high impact, open source…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Gnomen LTDgnomen.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“was founded by a team of web designers and online software developers in 2001, as a partnership between great design and powerful database-driven systems.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Incode Systems Web, Mobile & AI Product Developmentincode-systems.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“We are a software development company that designs, develops, and deploys software solutions for organizations across industries.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | KOTAkota.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“We’re a team of talented creatives who live and breathe great design.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ninos Global Techninosglobaltech.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“At Ninos Global Technology, we are passionate about empowering businesses and individuals with cutting-edge digital solutions.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Yellowballweareyellowball.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 26 contacts → |
“We’re a hand-picked global team of exceptional designers, engineers, SEO experts and paid media specialists, crafting websites and digital experience that work as hard as you do.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Pixel Point LTDpixelpoint.io HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Meet the Pixel Point creative web agency!” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | WP Mindswpminds.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 23 contacts → |
“WP Minds is a WordPress design, development, maintenance and SEO agency helping coaches, consultants and other service professionals grow with high performing WordPress websites…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | KITTYwearekitty.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 22 contacts → |
“B Corp Certified.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Techcurl Media Solutionstechcurl.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Techcurl is a leading agile development company specialising in Web and mobile development helping businesses deliver projects on time and budget.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Infovinity Systems Pvt. Limitedinfovinity.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 21 contacts → |
“Infovinity Systems offers the e-commerce development solutions that will act as the link between your internet business and world."Clever Technology can be easy to use, Really…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Devsstream Limiteddevsstream.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 20 contacts → |
“DevsStream provides software development solutions and services all over the world.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Webermelonwebermelon.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Webermelon is a website & software development company for your SaaS, PaaS and WordPress websites.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | UMI Digitalumidigital.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Award-winning designs, backed up with beautiful bespoke code to create future proof and lightening-fast website and web app experiences.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Onexcellonexcell.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 18 contacts → |
“Onexcell is a digital solutions agency crafting immersive experiences that shape the future.Our legacy is built on quality, innovation, and customer satisfaction.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Softexpoitsoftexpoitlimited.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Softexpoit's team of experts combines technical expertise and creativity to develop custom software, mobile app, and web app solutions that meet your specific business/official…” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Vsourzvsourz.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 17 contacts → |
“Vsourz is an international technology partner helping organisations turn digital ambition into production-ready outcomes.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Elementary Digitalelementarydigital.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are a WordPress and e-commerce agency specialising in strategy, design and development for mid-market and enterprise organisations.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Lilo WEB Designlilo.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Lilo is an award winning web design agency delivering expert and cost effective solutions.” Recorded description excerpt · September 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Custom web development agencies: dataset insights
September 9, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,399 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 12.0dCompany record updated
Median 67.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Custom web development agencies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for custom web development agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many custom web development agencies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 1,406 matching company records, 12,416 tracked contacts and 711 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 custom web development agencies based in London, United Kingdom. Snapshot: September 9, 2026. https://revenuebase.ai/companies/custom-web-development-agencies/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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