Company lists · Data refreshed September 2026
Top 25 Transaction processing outsourcing consultants based in the United Kingdom
RevenueBase identified 75 company matches for transaction processing outsourcing consultants associated with the United Kingdom as of September 2026 and tracks 2,054 professional contacts across them, including 1,020 with verified work emails. London is the largest hub.
This list covers company matches for transaction processing outsourcing consultants 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 25 largest transaction processing outsourcing consultants based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 988 contacts → | ||||
Exact match “First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 441 contacts → | ||||
Exact match “Our mission is to help businesses to optimise their sales and customer experience through facilitating speedy and seamless payments, loyalty, and data management creating truly…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 86 contacts → | ||||
Exact match “Pinion is a professional services firm focused primarily on payment-solutions technologies and information management.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 77 contacts → | ||||
Exact match “Established in 2007, ML has developed deep roots within the payments and banking industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 60 contacts → | ||||
Exact match “From our Nordic origins, where we first launched in Stockholm in 2008, we have built a strong international business headquartered in Oslo, with offices worldwide and clients in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 38 contacts → | ||||
Exact match “We have had an interesting journey over the last 17 years.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 26 contacts → | ||||
Exact match “Yorkshire Payments Contact Details sales@yorkshirepayments.com 01422 323785 @YorkshirePay We are an independent company that specializes in payment processing.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 24 contacts → | ||||
Exact match “Mavens Cloud is a boutique technology and operations consultancy that measures its success by the success of our solutions and satisfaction of our clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 21 contacts → | ||||
Exact match “Optimising payment processes means reducing the complex to the critical.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 17 contacts → | ||||
Exact match “PSE Consulting – PSE (Payment Systems Europe Limited), based in London, UK, was formed in 1991 as a specialist business and technology payment systems consulting company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “With nearly half a century of expertise in the payments industry, we are a leading provider of payments, credit and debit transaction solutions and services to the private and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “acceptcards® was founded in 2005.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “A niche consultancy practice offering specialist support to the payments industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “Founded in 2015, Elorn has dedicated itself to supporting businesses of all types and sizes with their payment needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “PAYMENTWISE MERCHANT SOLUTIONS LIMITED is a Payment Processing Service-based company of UNIT 310 EAST LONDON WORKS 65 WHITECHAPEL ROAD, LONDON, United Kingdom.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “KQ Consultants is a group of Companies providing wide range of services to financial industry such as Business Management, Business Development, Business Process Outsourcing…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Pinnacle Payment Economics is a specialist payment economics analytics company providing SaaS tools and related services to card issuers, acquirers, BIN Sponsors and PayFacs…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Wisesystems is a UK based consulting firm, provider of technical and business expertise focused on the financial services industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Supporting payments enabling you to focus on building your business We provide solutions up to and including an outsourced payments team Payments Company recognises the three main…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “OSREC is a London based provider of financial consuting and outsourcing services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Grow your business internationally via a single connection.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Our mission is to empower regulated financial institutions, including Account Information Service Providers (AISPs), Payment Initiation Service Providers (PISPs), Payment…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “We make payments work harder for your business, and we do this through Collaboration, Innovation and Process Simplification.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “Outsourcing Business Services It's all about solving a problem, saving money or showing a better way with a personal service.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “A.T.P.” 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 “transaction processing outsourcing consultants”. 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 75 transaction processing outsourcing consultants based in the United Kingdom
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Transaction processing outsourcing consultants 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 75 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 “transaction processing outsourcing consultants” 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 1,020 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.
Transaction processing outsourcing consultants 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 “transaction processing outsourcing consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many transaction processing outsourcing consultants are there based in the United Kingdom?
RevenueBase identified 75 company matches for transaction processing outsourcing consultants 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?
First Derivative tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most transaction processing outsourcing consultants?
London leads with 42 company records, followed by Sheffield (2) and All Of Uk (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 1,020 professional contacts with verified work emails tracked across these 75 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 75 transaction processing outsourcing consultants based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Transaction processing outsourcing consultants by geography
- Transaction processing outsourcing consultants based in Sao Paulo, Brazil
- Transaction processing outsourcing consultants based in London, United Kingdom
- Transaction processing outsourcing consultants based in Brazil
- Transaction processing outsourcing consultants based in Canada
- Transaction processing outsourcing consultants based in France
- Transaction processing outsourcing consultants based in Germany
- Transaction processing outsourcing consultants based in India
- Transaction processing outsourcing consultants based in Italy
- Transaction processing outsourcing consultants 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
- Transaction processing outsourcing consultants based in Sao Paulo, Brazil
- Transaction processing outsourcing consultants based in London, United Kingdom
- Transaction processing outsourcing consultants based in Brazil
- Transaction processing outsourcing consultants based in Canada
- Transaction processing outsourcing consultants based in France
- Transaction processing outsourcing consultants based in Germany
Company intelligence · public preview
Top 25 transaction processing outsourcing consultants 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 75 matching company records for transaction processing outsourcing consultants based in the United Kingdom, with 2,054 tracked contacts and 1,020 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 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 25 transaction processing outsourcing consultants 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 |  First Derivativefirstderivative.comHQ: Newry, United KingdomReported employees: 1,001-5,000 | Newry, United Kingdom | 1,001-5,000 | Exact match | 988 contacts → |
“First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Trust Paymentstrustpayments.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 441 contacts → |
“Our mission is to help businesses to optimise their sales and customer experience through facilitating speedy and seamless payments, loyalty, and data management creating truly…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Pinion Servicespinion.servicesHQ: Wakefield, United KingdomReported employees: 51-200 | Wakefield, United Kingdom | 51-200 | Exact match | 86 contacts → |
“Pinion is a professional services firm focused primarily on payment-solutions technologies and information management.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  MLmarkloucas.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 77 contacts → |
“Established in 2007, ML has developed deep roots within the payments and banking industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  BB Merchant Servicesbbmerchantservices.comHQ: Bishops Waltham, United KingdomReported employees: 11-50 | Bishops Waltham, United Kingdom | 11-50 | Exact match | 60 contacts → |
“From our Nordic origins, where we first launched in Stockholm in 2008, we have built a strong international business headquartered in Oslo, with offices worldwide and clients in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Yourcash UK & Irelandyourcash.comHQ: Milton Keynes, United KingdomReported employees: 51-200 | Milton Keynes, United Kingdom | 51-200 | Exact match | 38 contacts → |
“We have had an interesting journey over the last 17 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Yorkshire Paymentsyorkshirepayments.comHQ: Brighouse, United KingdomReported employees: 11-50 | Brighouse, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Yorkshire Payments Contact Details sales@yorkshirepayments.com 01422 323785 @YorkshirePay We are an independent company that specializes in payment processing.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Mavens Cloudmavenscloud.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Mavens Cloud is a boutique technology and operations consultancy that measures its success by the success of our solutions and satisfaction of our clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  OPTALoptal.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 21 contacts → |
“Optimising payment processes means reducing the complex to the critical.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  PSE Consultingpseconsulting.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“PSE Consulting – PSE (Payment Systems Europe Limited), based in London, UK, was formed in 1991 as a specialist business and technology payment systems consulting company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Paygatepaygate.ukHQ: Stevenage, United KingdomReported employees: 11-50 | Stevenage, United Kingdom | 11-50 | Exact match | 15 contacts → |
“With nearly half a century of expertise in the payments industry, we are a leading provider of payments, credit and debit transaction solutions and services to the private and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Acceptcards Independent Payment Expertsacceptcards.co.ukHQ: West Yorkshire, United KingdomReported employees: 11-50 | West Yorkshire, United Kingdom | 11-50 | Exact match | 12 contacts → |
“acceptcards® was founded in 2005.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Doxa Group Consulting LTDdoxagc.comHQ: Lancaster, United KingdomReported employees: 1-10 | Lancaster, United Kingdom | 1-10 | Exact match | 6 contacts → |
“A niche consultancy practice offering specialist support to the payments industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ELORNelorn.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Founded in 2015, Elorn has dedicated itself to supporting businesses of all types and sizes with their payment needs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Paymentwise Merchant Solutions Limitedpaymentwise.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“PAYMENTWISE MERCHANT SOLUTIONS LIMITED is a Payment Processing Service-based company of UNIT 310 EAST LONDON WORKS 65 WHITECHAPEL ROAD, LONDON, United Kingdom.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  K Q Consultants LTDkqcltd.comHQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 6 contacts → |
“KQ Consultants is a group of Companies providing wide range of services to financial industry such as Business Management, Business Development, Business Process Outsourcing…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Pinnacle Payment Economicspinnaclepaymentconsulting.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Pinnacle Payment Economics is a specialist payment economics analytics company providing SaaS tools and related services to card issuers, acquirers, BIN Sponsors and PayFacs…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Wisesystems Solutionswisesystems.euHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Wisesystems is a UK based consulting firm, provider of technical and business expertise focused on the financial services industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Payments Companypaymentscompany.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Supporting payments enabling you to focus on building your business We provide solutions up to and including an outsourced payments team Payments Company recognises the three main…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Osrec Technologiesosrec.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 3 contacts → |
“OSREC is a London based provider of financial consuting and outsourcing services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Vikingpayvikingpay.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Grow your business internationally via a single connection.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Digital Bank Expertdigitalbankexpert.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Our mission is to empower regulated financial institutions, including Account Information Service Providers (AISPs), Payment Initiation Service Providers (PISPs), Payment…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ilixiumilixium.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“We make payments work harder for your business, and we do this through Collaboration, Innovation and Process Simplification.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | FAB Business Services Consultantkarenfabrizi.co.uk HQ: Christchurch, United KingdomReported employees: 1-10 | Christchurch, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Outsourcing Business Services It's all about solving a problem, saving money or showing a better way with a personal service.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | A.T.P. Outsourcingatpco.co.uk HQ: Wells, United KingdomReported employees: 1-10 | Wells, United Kingdom | 1-10 | Exact match | 1 contacts → |
“A.T.P.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 75 company matches
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Transaction processing outsourcing consultants: 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
74 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 75 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 ↗
Transaction processing outsourcing consultants by metro
Questions about this company list
What does Exact match mean for transaction processing outsourcing consultants?
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 transaction processing outsourcing consultants did RevenueBase find based in the United Kingdom?
The saved snapshot records 75 matching company records, 2,054 tracked contacts and 1,020 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 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
Transaction processing outsourcing consultants by geography
- Transaction processing outsourcing consultants based in Sao Paulo, Brazil
- Transaction processing outsourcing consultants based in London, United Kingdom
- Transaction processing outsourcing consultants based in Brazil
- Transaction processing outsourcing consultants based in Canada
- Transaction processing outsourcing consultants based in France
- Transaction processing outsourcing consultants based in Germany
- Transaction processing outsourcing consultants based in India
- Transaction processing outsourcing consultants based in Italy
- Transaction processing outsourcing consultants based in the United States
Cite this list
RevenueBase Data Team. Top 25 transaction processing outsourcing consultants based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/transaction-processing-outsourcing-consultants/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
- Transaction processing outsourcing consultants based in Sao Paulo, Brazil
- Transaction processing outsourcing consultants based in London, United Kingdom
- Transaction processing outsourcing consultants based in Brazil
- Transaction processing outsourcing consultants based in Canada
- Transaction processing outsourcing consultants based in France
- Transaction processing outsourcing consultants based in Germany
Company intelligence · public preview
Top 25 transaction processing outsourcing consultants based in the United Kingdom
RevenueBase records 75 matching company records for transaction processing outsourcing consultants based in the United Kingdom, with 2,054 tracked contacts and 1,020 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 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 25 transaction processing outsourcing consultants 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 | First Derivativefirstderivative.com HQ: Newry, United KingdomReported employees: 1,001-5,000 | Newry, United Kingdom | 1,001-5,000 | Exact match | 988 contacts → |
“First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Trust Paymentstrustpayments.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 441 contacts → |
“Our mission is to help businesses to optimise their sales and customer experience through facilitating speedy and seamless payments, loyalty, and data management creating truly…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Pinion Servicespinion.services HQ: Wakefield, United KingdomReported employees: 51-200 | Wakefield, United Kingdom | 51-200 | Exact match | 86 contacts → |
“Pinion is a professional services firm focused primarily on payment-solutions technologies and information management.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | MLmarkloucas.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 77 contacts → |
“Established in 2007, ML has developed deep roots within the payments and banking industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BB Merchant Servicesbbmerchantservices.com HQ: Bishops Waltham, United KingdomReported employees: 11-50 | Bishops Waltham, United Kingdom | 11-50 | Exact match | 60 contacts → |
“From our Nordic origins, where we first launched in Stockholm in 2008, we have built a strong international business headquartered in Oslo, with offices worldwide and clients in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Yourcash UK & Irelandyourcash.com HQ: Milton Keynes, United KingdomReported employees: 51-200 | Milton Keynes, United Kingdom | 51-200 | Exact match | 38 contacts → |
“We have had an interesting journey over the last 17 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Yorkshire Paymentsyorkshirepayments.com HQ: Brighouse, United KingdomReported employees: 11-50 | Brighouse, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Yorkshire Payments Contact Details sales@yorkshirepayments.com 01422 323785 @YorkshirePay We are an independent company that specializes in payment processing.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Mavens Cloudmavenscloud.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Mavens Cloud is a boutique technology and operations consultancy that measures its success by the success of our solutions and satisfaction of our clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | OPTALoptal.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 21 contacts → |
“Optimising payment processes means reducing the complex to the critical.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | PSE Consultingpseconsulting.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“PSE Consulting – PSE (Payment Systems Europe Limited), based in London, UK, was formed in 1991 as a specialist business and technology payment systems consulting company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Paygatepaygate.uk HQ: Stevenage, United KingdomReported employees: 11-50 | Stevenage, United Kingdom | 11-50 | Exact match | 15 contacts → |
“With nearly half a century of expertise in the payments industry, we are a leading provider of payments, credit and debit transaction solutions and services to the private and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Acceptcards Independent Payment Expertsacceptcards.co.uk HQ: West Yorkshire, United KingdomReported employees: 11-50 | West Yorkshire, United Kingdom | 11-50 | Exact match | 12 contacts → |
“acceptcards® was founded in 2005.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Doxa Group Consulting LTDdoxagc.com HQ: Lancaster, United KingdomReported employees: 1-10 | Lancaster, United Kingdom | 1-10 | Exact match | 6 contacts → |
“A niche consultancy practice offering specialist support to the payments industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ELORNelorn.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Founded in 2015, Elorn has dedicated itself to supporting businesses of all types and sizes with their payment needs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Paymentwise Merchant Solutions Limitedpaymentwise.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“PAYMENTWISE MERCHANT SOLUTIONS LIMITED is a Payment Processing Service-based company of UNIT 310 EAST LONDON WORKS 65 WHITECHAPEL ROAD, LONDON, United Kingdom.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | K Q Consultants LTDkqcltd.com HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 6 contacts → |
“KQ Consultants is a group of Companies providing wide range of services to financial industry such as Business Management, Business Development, Business Process Outsourcing…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Pinnacle Payment Economicspinnaclepaymentconsulting.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Pinnacle Payment Economics is a specialist payment economics analytics company providing SaaS tools and related services to card issuers, acquirers, BIN Sponsors and PayFacs…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Wisesystems Solutionswisesystems.eu HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“Wisesystems is a UK based consulting firm, provider of technical and business expertise focused on the financial services industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Payments Companypaymentscompany.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Supporting payments enabling you to focus on building your business We provide solutions up to and including an outsourced payments team Payments Company recognises the three main…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Osrec Technologiesosrec.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 3 contacts → |
“OSREC is a London based provider of financial consuting and outsourcing services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Vikingpayvikingpay.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Grow your business internationally via a single connection.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Digital Bank Expertdigitalbankexpert.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Our mission is to empower regulated financial institutions, including Account Information Service Providers (AISPs), Payment Initiation Service Providers (PISPs), Payment…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ilixiumilixium.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“We make payments work harder for your business, and we do this through Collaboration, Innovation and Process Simplification.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | FAB Business Services Consultantkarenfabrizi.co.uk HQ: Christchurch, United KingdomReported employees: 1-10 | Christchurch, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Outsourcing Business Services It's all about solving a problem, saving money or showing a better way with a personal service.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | A.T.P. Outsourcingatpco.co.uk HQ: Wells, United KingdomReported employees: 1-10 | Wells, United Kingdom | 1-10 | Exact match | 1 contacts → |
“A.T.P.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 75 company matches
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Transaction processing outsourcing consultants: 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
74 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 75 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 ↗
Transaction processing outsourcing consultants by metro
Questions about this company list
What does Exact match mean for transaction processing outsourcing consultants?
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 transaction processing outsourcing consultants did RevenueBase find based in the United Kingdom?
The saved snapshot records 75 matching company records, 2,054 tracked contacts and 1,020 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 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.
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Cite this list
RevenueBase Data Team. Top 25 transaction processing outsourcing consultants based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/transaction-processing-outsourcing-consultants/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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