Company lists · Data verified August 2026

Top 25 Api banking platforms based in the United Kingdom

Name: Api banking platforms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 155 companies tracked

There are 155 api banking platforms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 7,839 professional contacts across them, including 3,459 with verified work emails and 455 with mobile numbers. London is the largest hub.

This list covers api banking platforms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

155Companies

7,839Contacts tracked

3,459Verified emails

455Mobile numbers

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The 25 largest api banking platforms based in the United Kingdom

Ranked by team size

Top 25 of 155 api banking platforms based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Starling	Cardiff	1,001-5,000	2,683	1,555
2	Trustly	London	1,001-5,000	879	6
3	Guavapay	London	201-500	435	20
4	Sandstone Technology	Leeds	201-500	281	194
5	Form3	London	501-1,000	272	215
6	Engine By Starling	n/a	201-500	253	146
7	Fintech Farm	London	201-500	195	85
8	Openpayd	London	51-200	189	127
9	Ebankit	London	51-200	136	101
10	Griffin	London	51-200	118	53
11	TUUM	London	51-200	115	82
12	Yapily	London	51-200	115	68
13	ZORAL	London	51-200	99	57
14	Bkn301	London	51-200	98	52
15	XPATE	London	11-50	74	28
16	Payler	London	51-200	67	13
17	Ozone API	London	51-200	66	48
18	YASPA	n/a	51-200	66	34
19	EZBOB	London	51-200	63	39
20	Pollinate	London	51-200	62	37
21	Vilja Solutions	Leeds	51-200	61	31
22	Hyperlayer	London	51-200	58	35
23	XYB	London	51-200	53	30
24	TOQIO	London	11-50	48	8
25	Fintilect	London	51-200	47	25

Showing 25 of 155 api banking platforms based in the United Kingdom

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Api banking platforms based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 120 HQs

455Contacts with mobile numbers

16Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Api banking platforms by metro

Metro	Companies
Api banking platforms in London	120
Api banking platforms in Leeds	3
Api banking platforms in Edinburgh	2
Api banking platforms in Nottingham	2
Api banking platforms in Birmingham	1
Api banking platforms in Manchester	1
Api banking platforms in Swansea	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “api banking platforms”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 16 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many api banking platforms are there based in the United Kingdom?

There are 155 api banking platforms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Starling, headquartered in Cardiff, tops this list with the largest team on record.

Which city has the most api banking platforms?

London leads with 120 headquartered companies, followed by Leeds (3) and Edinburgh (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,459 verified decision-maker contacts tracked across these 155 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.