Company lists · Data refreshed September 2026
Top 23 SaaS api development companies based in the United Kingdom
RevenueBase identified 81 company matches for SaaS api development companies associated with the United Kingdom as of September 2026 and tracks 1,073 professional contacts across them, including 64 with verified work emails. London is the largest hub.
This list covers company matches for SaaS api development companies associated with the 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 29, 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 23 largest SaaS api development companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 29 contacts → | ||||
Exact match “Founded at 2013, cloudnesil takes a highly technical and innovative approach to development, ranging from utilising the latest toolsets to developing bespoke solutions for…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 21 contacts → | ||||
Exact match “Kinde is a fully-integrated developer platform, providing SaaS and AI app infrastructure to thousands of businesses globally.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 14 contacts → | ||||
Exact match “At Ventureaxis, we specialise in working with our clients to build robust, reliable and innovative software solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 13 contacts → | ||||
Exact match “Welcome KloudStack!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 12 contacts → | ||||
Exact match “Vizrex Software Solutions builds custom software for startups, growing businesses, and complex operations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 11 contacts → | ||||
Exact match “A collective of brilliant and dedicated minds providing next-generation digital services and consulting.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 7 contacts → | ||||
Exact match “Rare Earth Digital helps organisations modernise and optimise their technology through smart integrations, APIs, automation, cloud solutions, and custom software that actually…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 6 contacts → | ||||
Exact match “Transform your business with cloud-based technology Find the flexibility and productivity that you dream of; become more agile, more efficient, more innovative.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 6 contacts → | ||||
Exact match “Infini is an app development company, delivering bespoke SaaS solutions to SME's and enterprise clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 4 contacts → | ||||
Exact match “We develop and provide software for growing organisations, sold as a service or developed in partnership with you rather than as one large upfront cost.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 4 contacts → | ||||
Exact match “Omnibyte Technologies is a UK-based software development company specialising in SaaS solutions and custom software development.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 4 contacts → | ||||
Exact match “FutureNow Solutions Ltd helps organisations turn AI, cloud and software ambition into practical business value.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “We design, develop and mainain websites, web apps, mobile apps.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “X402 are a sofware developer who have vast experience in delivering leading edge web and client-server based software solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “Cloud Data Service Ltd is an award-winning software development company based in the heart of Newcastle upon Tyne.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Flexiweb.co is a UK registered technology digital driven company with an international presence in India and United States.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Expino Limited is a company founded in 2017 which focuses on cloud based products mainly in SaaS model.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “Bespoke Software Development Crockwell Solutions is a UK based innovative software development business, specialising in building bespoke, business applications that harness the…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Software as a Service provider.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “API Solution Development Looking to develop your API solutions but not sure where to start?” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match “Building Apps, Games, APIs and Management systems.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “Building powerful, scalable SaaS & Web Apps At Synmek, we partner with startups, small businesses, and B2B teams to design and develop custom digital products that scale.” Recorded in the RevenueBase company graph · Sep 29, 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 “SaaS api development companies”. 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 23 of 81 SaaS api development companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 64 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
SaaS api development companies based in the United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 81 companies.
How 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 the United Kingdom whose business descriptions match “SaaS api development companies” 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 64 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 29, 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.
SaaS api development companies by metro
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 “SaaS api development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many SaaS api development companies are there based in the United Kingdom?
RevenueBase identified 81 company matches for SaaS api development companies associated with the 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?
Cloudnesil tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most SaaS api development companies?
London leads with 30 company records, followed by Leeds (3) and Newcastle Upon Tyne (3).
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 64 professional contacts with verified work emails tracked across these 81 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 81 SaaS api development companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
SaaS api development companies by geography
- SaaS api development companies based in London, United Kingdom
- SaaS api development companies based in Australia
- SaaS api development companies based in Brazil
- SaaS api development companies based in Canada
- SaaS api development companies based in France
- SaaS api development companies based in Germany
- SaaS api development companies based in India
- SaaS api development companies based in the Netherlands
- SaaS api development companies based in the United States
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
- SaaS api development companies based in London, United Kingdom
- SaaS api development companies based in Australia
- SaaS api development companies based in Brazil
- SaaS api development companies based in Canada
- SaaS api development companies based in France
- SaaS api development companies based in Germany
Company intelligence · public preview
Top 23 SaaS api development companies based in the 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 81 matching company records for SaaS api development companies based in the United Kingdom, with 1,073 tracked contacts and 64 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 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 23 SaaS api development companies based in the 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 |  Cloudnesilcloudnesil.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Founded at 2013, cloudnesil takes a highly technical and innovative approach to development, ranging from utilising the latest toolsets to developing bespoke solutions for…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  KINDEkinde.comHQ: Sydney, United KingdomReported employees: 11-50 | Sydney, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Kinde is a fully-integrated developer platform, providing SaaS and AI app infrastructure to thousands of businesses globally.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ventureaxis Limitedventureaxis.comHQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 14 contacts → |
“At Ventureaxis, we specialise in working with our clients to build robust, reliable and innovative software solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Kloudstackkloudstack.co.ukHQ: Reading, United KingdomReported employees: 11-50 | Reading, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Welcome KloudStack!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Vizrex Software Solutionsvizrex.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Vizrex Software Solutions builds custom software for startups, growing businesses, and complex operations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Magna Softwaremagnasoftware.co.ukHQ: Belfast, United KingdomReported employees: 1-10 | Belfast, United Kingdom | 1-10 | Exact match | 11 contacts → |
“A collective of brilliant and dedicated minds providing next-generation digital services and consulting.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Rare Earth Digitalrareearthdigital.comHQ: Nantwich, United KingdomReported employees: 11-50 | Nantwich, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Rare Earth Digital helps organisations modernise and optimise their technology through smart integrations, APIs, automation, cloud solutions, and custom software that actually…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cloud Construct LTDcloudconstruct.co.uk HQ: Telford, United KingdomReported employees: 1-10 | Telford, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Transform your business with cloud-based technology Find the flexibility and productivity that you dream of; become more agile, more efficient, more innovative.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Infini Corporationinfini.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Infini is an app development company, delivering bespoke SaaS solutions to SME's and enterprise clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Hysoft LTDhysoft.co.ukHQ: Carlisle, United KingdomReported employees: 1-10 | Carlisle, United Kingdom | 1-10 | Exact match | 4 contacts → |
“We develop and provide software for growing organisations, sold as a service or developed in partnership with you rather than as one large upfront cost.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Omnibyte Technologiesomnibyte.techHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Omnibyte Technologies is a UK-based software development company specialising in SaaS solutions and custom software development.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Futurenow Solutions LTDfuturenow.ltdHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“FutureNow Solutions Ltd helps organisations turn AI, cloud and software ambition into practical business value.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Digit-Blastdigit-blast.comHQ: Leeds, United KingdomReported employees: 1-10 | Leeds, United Kingdom | 1-10 | Exact match | 3 contacts → |
“We design, develop and mainain websites, web apps, mobile apps.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  X402 Limitedx402.comHQ: Hillington, United KingdomReported employees: 1-10 | Hillington, United Kingdom | 1-10 | Exact match | 3 contacts → |
“X402 are a sofware developer who have vast experience in delivering leading edge web and client-server based software solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Cloud Data Serviceclouddataservice.co.ukHQ: Newcastle Upon Tyne, United KingdomReported employees: 1-10 | Newcastle Upon Tyne, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Cloud Data Service Ltd is an award-winning software development company based in the heart of Newcastle upon Tyne.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Flexiweb.co Flexible WEB Strategies LTDflexiweb.coHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Flexiweb.co is a UK registered technology digital driven company with an international presence in India and United States.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Base32base32.ioHQ: National, United KingdomReported employees: 1-10 | National, United Kingdom | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Expino Limitedexpino.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Expino Limited is a company founded in 2017 which focuses on cloud based products mainly in SaaS model.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Crockwell Solutionscrockwell.comHQ: Farnham, United KingdomReported employees: 1-10 | Farnham, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Bespoke Software Development Crockwell Solutions is a UK based innovative software development business, specialising in building bespoke, business applications that harness the…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Infinitelimits LTDilimits.ukHQ: Rushden, United KingdomReported employees: 1-10 | Rushden, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Software as a Service provider.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Plexicate LTDplexicate.comHQ: Weybridge, United KingdomReported employees: 1-10 | Weybridge, United Kingdom | 1-10 | Exact match | 1 contacts → |
“API Solution Development Looking to develop your API solutions but not sure where to start?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Seven Point REDsevenpointred.comHQ: Brighton, United KingdomReported employees: 1-10 | Brighton, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Building Apps, Games, APIs and Management systems.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Synmek LTDsynmek.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Building powerful, scalable SaaS & Web Apps At Synmek, we partner with startups, small businesses, and B2B teams to design and develop custom digital products that scale.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 81 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
SaaS api development companies: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
81 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 81 companies.
How 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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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 29, 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 ↗
SaaS api development companies by metro
Questions about this company list
What does Exact match mean for SaaS api development companies?
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 SaaS api development companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 81 matching company records, 1,073 tracked contacts and 64 verified emails. The public preview displays 23 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 29, 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
SaaS api development companies by geography
- SaaS api development companies based in London, United Kingdom
- SaaS api development companies based in Australia
- SaaS api development companies based in Brazil
- SaaS api development companies based in Canada
- SaaS api development companies based in France
- SaaS api development companies based in Germany
- SaaS api development companies based in India
- SaaS api development companies based in the Netherlands
- SaaS api development companies based in the United States
Cite this list
RevenueBase Data Team. Top 23 SaaS api development companies based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/saas-api-development-companies/united-kingdom.
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
- SaaS api development companies based in London, United Kingdom
- SaaS api development companies based in Australia
- SaaS api development companies based in Brazil
- SaaS api development companies based in Canada
- SaaS api development companies based in France
- SaaS api development companies based in Germany
Company intelligence · public preview
Top 23 SaaS api development companies based in the United Kingdom
RevenueBase records 81 matching company records for SaaS api development companies based in the United Kingdom, with 1,073 tracked contacts and 64 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 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 23 SaaS api development companies based in the 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 | Cloudnesilcloudnesil.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Founded at 2013, cloudnesil takes a highly technical and innovative approach to development, ranging from utilising the latest toolsets to developing bespoke solutions for…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | KINDEkinde.com HQ: Sydney, United KingdomReported employees: 11-50 | Sydney, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Kinde is a fully-integrated developer platform, providing SaaS and AI app infrastructure to thousands of businesses globally.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ventureaxis Limitedventureaxis.com HQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 14 contacts → |
“At Ventureaxis, we specialise in working with our clients to build robust, reliable and innovative software solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kloudstackkloudstack.co.uk HQ: Reading, United KingdomReported employees: 11-50 | Reading, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Welcome KloudStack!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Vizrex Software Solutionsvizrex.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Vizrex Software Solutions builds custom software for startups, growing businesses, and complex operations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Magna Softwaremagnasoftware.co.uk HQ: Belfast, United KingdomReported employees: 1-10 | Belfast, United Kingdom | 1-10 | Exact match | 11 contacts → |
“A collective of brilliant and dedicated minds providing next-generation digital services and consulting.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Rare Earth Digitalrareearthdigital.com HQ: Nantwich, United KingdomReported employees: 11-50 | Nantwich, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Rare Earth Digital helps organisations modernise and optimise their technology through smart integrations, APIs, automation, cloud solutions, and custom software that actually…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cloud Construct LTDcloudconstruct.co.uk HQ: Telford, United KingdomReported employees: 1-10 | Telford, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Transform your business with cloud-based technology Find the flexibility and productivity that you dream of; become more agile, more efficient, more innovative.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Infini Corporationinfini.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Infini is an app development company, delivering bespoke SaaS solutions to SME's and enterprise clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hysoft LTDhysoft.co.uk HQ: Carlisle, United KingdomReported employees: 1-10 | Carlisle, United Kingdom | 1-10 | Exact match | 4 contacts → |
“We develop and provide software for growing organisations, sold as a service or developed in partnership with you rather than as one large upfront cost.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Omnibyte Technologiesomnibyte.tech HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Omnibyte Technologies is a UK-based software development company specialising in SaaS solutions and custom software development.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Futurenow Solutions LTDfuturenow.ltd HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“FutureNow Solutions Ltd helps organisations turn AI, cloud and software ambition into practical business value.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Digit-Blastdigit-blast.com HQ: Leeds, United KingdomReported employees: 1-10 | Leeds, United Kingdom | 1-10 | Exact match | 3 contacts → |
“We design, develop and mainain websites, web apps, mobile apps.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | X402 Limitedx402.com HQ: Hillington, United KingdomReported employees: 1-10 | Hillington, United Kingdom | 1-10 | Exact match | 3 contacts → |
“X402 are a sofware developer who have vast experience in delivering leading edge web and client-server based software solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cloud Data Serviceclouddataservice.co.uk HQ: Newcastle Upon Tyne, United KingdomReported employees: 1-10 | Newcastle Upon Tyne, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Cloud Data Service Ltd is an award-winning software development company based in the heart of Newcastle upon Tyne.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Flexiweb.co Flexible WEB Strategies LTDflexiweb.co HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Flexiweb.co is a UK registered technology digital driven company with an international presence in India and United States.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Base32base32.io HQ: National, United KingdomReported employees: 1-10 | National, United Kingdom | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Expino Limitedexpino.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Expino Limited is a company founded in 2017 which focuses on cloud based products mainly in SaaS model.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Crockwell Solutionscrockwell.com HQ: Farnham, United KingdomReported employees: 1-10 | Farnham, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Bespoke Software Development Crockwell Solutions is a UK based innovative software development business, specialising in building bespoke, business applications that harness the…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Infinitelimits LTDilimits.uk HQ: Rushden, United KingdomReported employees: 1-10 | Rushden, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Software as a Service provider.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Plexicate LTDplexicate.com HQ: Weybridge, United KingdomReported employees: 1-10 | Weybridge, United Kingdom | 1-10 | Exact match | 1 contacts → |
“API Solution Development Looking to develop your API solutions but not sure where to start?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Seven Point REDsevenpointred.com HQ: Brighton, United KingdomReported employees: 1-10 | Brighton, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Building Apps, Games, APIs and Management systems.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Synmek LTDsynmek.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Building powerful, scalable SaaS & Web Apps At Synmek, we partner with startups, small businesses, and B2B teams to design and develop custom digital products that scale.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 81 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
SaaS api development companies: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
81 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 81 companies.
How 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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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 29, 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 ↗
SaaS api development companies by metro
Questions about this company list
What does Exact match mean for SaaS api development companies?
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 SaaS api development companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 81 matching company records, 1,073 tracked contacts and 64 verified emails. The public preview displays 23 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 29, 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
SaaS api development companies by geography
- SaaS api development companies based in London, United Kingdom
- SaaS api development companies based in Australia
- SaaS api development companies based in Brazil
- SaaS api development companies based in Canada
- SaaS api development companies based in France
- SaaS api development companies based in Germany
- SaaS api development companies based in India
- SaaS api development companies based in the Netherlands
- SaaS api development companies based in the United States
Cite this list
RevenueBase Data Team. Top 23 SaaS api development companies based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/saas-api-development-companies/united-kingdom.
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
- SaaS api development companies based in London, United Kingdom
- SaaS api development companies based in Australia
- SaaS api development companies based in Brazil
- SaaS api development companies based in Canada
- SaaS api development companies based in France
- SaaS api development companies based in Germany