Company lists · Data refreshed September 2026
Top 25 Api integration specialists fintech companies based in the United Kingdom
RevenueBase identified 141 company matches for api integration specialists fintech companies associated with the United Kingdom as of September 2026 and tracks 4,446 professional contacts across them, including 2,184 with verified work emails. London is the largest hub.
This list covers company matches for api integration specialists fintech 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 27, 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 api integration specialists fintech companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 758 contacts → | ||||
Exact match “Build Bold.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 661 contacts → | ||||
Exact match “Leading brands – from fintechs and banks to digital asset platforms and large-scale corporates – use our API to benefit from our fully regulated banking infrastructure and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 494 contacts → | ||||
Exact match “PPRO is a fintech company that provides digital payment solutions to businesses and banks so that they can scale their local payment services through one connection.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 190 contacts → | ||||
Exact match “OpenPayd is building the universal financial infrastructure for the digital economy.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 122 contacts → | ||||
Exact match “Embed bank accounts, payments, and all kinds of financial products quickly via our simple API.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 118 contacts → | ||||
Exact match “Yapily is Europe’s leading open banking infrastructure platform solving a fundamental problem in financial services today: access.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 98 contacts → | ||||
Exact match “Panasa Technology is an AI-native fintech Engineering and Operations partner for regulated payment platforms.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 96 contacts → | ||||
Exact match “BKN301 is a helping Banks and Fintechs, and.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 82 contacts → | ||||
Exact match “Integrella is a specialist IT services company with extensive experience across UK sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 68 contacts → | ||||
Exact match “Integrated finance operating hub for global digital businesses.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 67 contacts → | ||||
Exact match “Yaspa is making instant payments personal.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 67 contacts → | ||||
Exact match “Riskcare is a financial services consultancy at the forefront of Fintech innovation, delivering world-class trading and risk technology, with offices in London and New York.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 57 contacts → | ||||
Exact match “At Nimble AppGenie, we are a global Fintech App Development Company delivering secure, scalable, and high-performance digital solutions for startups, enterprises, and financial…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 53 contacts → | ||||
Exact match “XYB is the first and only platform for modern adaptive finance.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 53 contacts → | ||||
Exact match “Velmie is a digital banking system integrator and mobile app delivery partner for regulated fintech programs.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 47 contacts → | ||||
Exact match “Blinqpay is made up of a team of financial experts, entrepreneurs and engineers passionate about driving innovation in the African Fintech space.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 46 contacts → | ||||
Exact match “We create a future where finance and payment technologies are truly effortless-zero delays, zero complexity, zero stress.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 36 contacts → | ||||
Exact match “Triver provides small businesses with instant capital in a click.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 34 contacts → | ||||
Exact match “Fiat Republic is a Banking-as-a-Service (BaaS) platform on a mission to help crypto break into the mainstream by cracking the banking code.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 33 contacts → | ||||
Exact match “At Crezco, we’re redefining how businesses move money.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 32 contacts → | ||||
Exact match “Sovereign International (UK) Ltd is authorised by the Financial Conduct Authority under The Payment Services Regulations 2017 (Registration Number 1018910) for the provision of…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 29 contacts → | ||||
Exact match “obconnect builds and operates the infrastructure that lets banks, corporates and financial institutions deliver secure payment and name-checking products to a whole market -…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 25 contacts → | ||||
Exact match “At TechnoXander, we are revolutionising the way banks and financial institutions navigate the evolving world of payments, open banking, and fraud prevention.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 24 contacts → | ||||
Exact match “Fintech demands specialist knowledge and technical precision.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 24 contacts → | ||||
Exact match “Simplify Synergy is a transformative FinTech startup that provides innovative technological solutions.” Recorded in the RevenueBase company graph · Sep 27, 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 “api integration specialists fintech 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 25 of 141 api integration specialists fintech companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 2,184 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Api integration specialists fintech companies based in the United Kingdom at a glance
As of Sep 27, 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 141 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 “api integration specialists fintech 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 2,184 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 27, 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.
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 “api integration specialists fintech companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many api integration specialists fintech companies are there based in the United Kingdom?
RevenueBase identified 141 company matches for api integration specialists fintech 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?
RAPYD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most api integration specialists fintech companies?
London leads with 109 company records, followed by Manchester (2) and Belfast (1).
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 2,184 professional contacts with verified work emails tracked across these 141 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 141 api integration specialists fintech companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Api integration specialists fintech companies by geography
- Api integration specialists fintech companies based in Australia
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- Api integration specialists fintech companies based in Germany
- Api integration specialists fintech companies based in India
- Api integration specialists fintech companies based in Türkiye
- Api integration specialists fintech companies based in the United Arab Emirates
- Api integration specialists fintech 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
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- Api integration specialists fintech companies based in Australia
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- Api integration specialists fintech companies based in Germany
- Api integration specialists fintech companies based in India
- Api integration specialists fintech companies based in Türkiye
- Api integration specialists fintech companies based in the United Arab Emirates
Company intelligence · public preview
Top 25 api integration specialists fintech 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 141 matching company records for api integration specialists fintech companies based in the United Kingdom, with 4,446 tracked contacts and 2,184 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 27, 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 api integration specialists fintech 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 |  RAPYDrapyd.netHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 758 contacts → |
“Build Bold.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Clearbankclear.bankHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 661 contacts → |
“Leading brands – from fintechs and banks to digital asset platforms and large-scale corporates – use our API to benefit from our fully regulated banking infrastructure and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  PPROppro.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 494 contacts → |
“PPRO is a fintech company that provides digital payment solutions to businesses and banks so that they can scale their local payment services through one connection.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Openpaydopenpayd.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 190 contacts → |
“OpenPayd is building the universal financial infrastructure for the digital economy.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Griffingriffin.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 122 contacts → |
“Embed bank accounts, payments, and all kinds of financial products quickly via our simple API.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Yapilyyapily.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 118 contacts → |
“Yapily is Europe’s leading open banking infrastructure platform solving a fundamental problem in financial services today: access.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Panasa Techpanasatech.comHQ: Brighton & Hove, United KingdomReported employees: 51-200 | Brighton & Hove, United Kingdom | 51-200 | Exact match | 98 contacts → |
“Panasa Technology is an AI-native fintech Engineering and Operations partner for regulated payment platforms.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Bkn301bkn301.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 96 contacts → |
“BKN301 is a helping Banks and Fintechs, and.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Integrellaintegrella.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 82 contacts → |
“Integrella is a specialist IT services company with extensive experience across UK sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Paylerpayler.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 68 contacts → |
“Integrated finance operating hub for global digital businesses.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  YASPAyaspa.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 67 contacts → |
“Yaspa is making instant payments personal.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Riskcareriskcare.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 67 contacts → |
“Riskcare is a financial services consultancy at the forefront of Fintech innovation, delivering world-class trading and risk technology, with offices in London and New York.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Nimble Appgenienimbleappgenie.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 57 contacts → |
“At Nimble AppGenie, we are a global Fintech App Development Company delivering secure, scalable, and high-performance digital solutions for startups, enterprises, and financial…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  XYBxyb.coHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 53 contacts → |
“XYB is the first and only platform for modern adaptive finance.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Velmievelmie.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 53 contacts → |
“Velmie is a digital banking system integrator and mobile app delivery partner for regulated fintech programs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Blinqpayblinqpay.ioHQ: Leicester, United KingdomReported employees: 51-200 | Leicester, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Blinqpay is made up of a team of financial experts, entrepreneurs and engineers passionate about driving innovation in the African Fintech space.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Corytechcorytech.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 46 contacts → |
“We create a future where finance and payment technologies are truly effortless-zero delays, zero complexity, zero stress.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Trivertriver.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Triver provides small businesses with instant capital in a click.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Fiat Republicfiatrepublic.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 34 contacts → |
“Fiat Republic is a Banking-as-a-Service (BaaS) platform on a mission to help crypto break into the mainstream by cracking the banking code.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Crezcocrezco.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“At Crezco, we’re redefining how businesses move money.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sovereign International UKsovereign-international.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Sovereign International (UK) Ltd is authorised by the Financial Conduct Authority under The Payment Services Regulations 2017 (Registration Number 1018910) for the provision of…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Obconnectobconnect.ioHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 29 contacts → |
“obconnect builds and operates the infrastructure that lets banks, corporates and financial institutions deliver secure payment and name-checking products to a whole market -…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Technoxandertechnoxander.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 25 contacts → |
“At TechnoXander, we are revolutionising the way banks and financial institutions navigate the evolving world of payments, open banking, and fraud prevention.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  QTECHmsbcgroup.comHQ: Elstree, United KingdomReported employees: 51-200 | Elstree, United Kingdom | 51-200 | Exact match | 24 contacts → |
“Fintech demands specialist knowledge and technical precision.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Simplify Synergysimplifysynergy.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Simplify Synergy is a transformative FinTech startup that provides innovative technological solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 141 company matches
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Api integration specialists fintech companies: dataset insights
September 27, 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
140 records in the displayed employee bands.
1 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 141 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 27, 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 ↗
Questions about this company list
What does Exact match mean for api integration specialists fintech 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 api integration specialists fintech companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 141 matching company records, 4,446 tracked contacts and 2,184 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 27, 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
Api integration specialists fintech companies by geography
- Api integration specialists fintech companies based in Australia
- Api integration specialists fintech companies based in Brazil
- Api integration specialists fintech companies based in Germany
- Api integration specialists fintech companies based in India
- Api integration specialists fintech companies based in Türkiye
- Api integration specialists fintech companies based in the United Arab Emirates
- Api integration specialists fintech companies based in the United States
Cite this list
RevenueBase Data Team. Top 25 api integration specialists fintech companies based in the United Kingdom. Snapshot: September 27, 2026. https://revenuebase.ai/companies/api-integration-specialists-fintech-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
- Api integration specialists fintech companies based in Australia
- Api integration specialists fintech companies based in Brazil
- Api integration specialists fintech companies based in Germany
- Api integration specialists fintech companies based in India
- Api integration specialists fintech companies based in Türkiye
- Api integration specialists fintech companies based in the United Arab Emirates
Company intelligence · public preview
Top 25 api integration specialists fintech companies based in the United Kingdom
RevenueBase records 141 matching company records for api integration specialists fintech companies based in the United Kingdom, with 4,446 tracked contacts and 2,184 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 27, 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 api integration specialists fintech 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 | RAPYDrapyd.net HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 758 contacts → |
“Build Bold.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Clearbankclear.bank HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 661 contacts → |
“Leading brands – from fintechs and banks to digital asset platforms and large-scale corporates – use our API to benefit from our fully regulated banking infrastructure and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | PPROppro.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 494 contacts → |
“PPRO is a fintech company that provides digital payment solutions to businesses and banks so that they can scale their local payment services through one connection.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Openpaydopenpayd.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 190 contacts → |
“OpenPayd is building the universal financial infrastructure for the digital economy.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Griffingriffin.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 122 contacts → |
“Embed bank accounts, payments, and all kinds of financial products quickly via our simple API.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Yapilyyapily.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 118 contacts → |
“Yapily is Europe’s leading open banking infrastructure platform solving a fundamental problem in financial services today: access.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Panasa Techpanasatech.com HQ: Brighton & Hove, United KingdomReported employees: 51-200 | Brighton & Hove, United Kingdom | 51-200 | Exact match | 98 contacts → |
“Panasa Technology is an AI-native fintech Engineering and Operations partner for regulated payment platforms.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Bkn301bkn301.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 96 contacts → |
“BKN301 is a helping Banks and Fintechs, and.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Integrellaintegrella.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 82 contacts → |
“Integrella is a specialist IT services company with extensive experience across UK sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Paylerpayler.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 68 contacts → |
“Integrated finance operating hub for global digital businesses.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | YASPAyaspa.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 67 contacts → |
“Yaspa is making instant payments personal.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Riskcareriskcare.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 67 contacts → |
“Riskcare is a financial services consultancy at the forefront of Fintech innovation, delivering world-class trading and risk technology, with offices in London and New York.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Nimble Appgenienimbleappgenie.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 57 contacts → |
“At Nimble AppGenie, we are a global Fintech App Development Company delivering secure, scalable, and high-performance digital solutions for startups, enterprises, and financial…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | XYBxyb.co HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 53 contacts → |
“XYB is the first and only platform for modern adaptive finance.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Velmievelmie.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 53 contacts → |
“Velmie is a digital banking system integrator and mobile app delivery partner for regulated fintech programs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Blinqpayblinqpay.io HQ: Leicester, United KingdomReported employees: 51-200 | Leicester, United Kingdom | 51-200 | Exact match | 47 contacts → |
“Blinqpay is made up of a team of financial experts, entrepreneurs and engineers passionate about driving innovation in the African Fintech space.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Corytechcorytech.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 46 contacts → |
“We create a future where finance and payment technologies are truly effortless-zero delays, zero complexity, zero stress.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Trivertriver.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Triver provides small businesses with instant capital in a click.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Fiat Republicfiatrepublic.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 34 contacts → |
“Fiat Republic is a Banking-as-a-Service (BaaS) platform on a mission to help crypto break into the mainstream by cracking the banking code.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Crezcocrezco.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“At Crezco, we’re redefining how businesses move money.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sovereign International UKsovereign-international.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Sovereign International (UK) Ltd is authorised by the Financial Conduct Authority under The Payment Services Regulations 2017 (Registration Number 1018910) for the provision of…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Obconnectobconnect.io HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 29 contacts → |
“obconnect builds and operates the infrastructure that lets banks, corporates and financial institutions deliver secure payment and name-checking products to a whole market -…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Technoxandertechnoxander.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 25 contacts → |
“At TechnoXander, we are revolutionising the way banks and financial institutions navigate the evolving world of payments, open banking, and fraud prevention.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | QTECHmsbcgroup.com HQ: Elstree, United KingdomReported employees: 51-200 | Elstree, United Kingdom | 51-200 | Exact match | 24 contacts → |
“Fintech demands specialist knowledge and technical precision.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Simplify Synergysimplifysynergy.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Simplify Synergy is a transformative FinTech startup that provides innovative technological solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 141 company matches
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Api integration specialists fintech companies: dataset insights
September 27, 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
140 records in the displayed employee bands.
1 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 141 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 27, 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 ↗
Questions about this company list
What does Exact match mean for api integration specialists fintech 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 api integration specialists fintech companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 141 matching company records, 4,446 tracked contacts and 2,184 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 27, 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.
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Cite this list
RevenueBase Data Team. Top 25 api integration specialists fintech companies based in the United Kingdom. Snapshot: September 27, 2026. https://revenuebase.ai/companies/api-integration-specialists-fintech-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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