Company lists · Data refreshed September 2026

Top 25 CRM api developers based in London, United Kingdom

RevenueBase identified 67 company matches for CRM api developers associated with London, United Kingdom as of September 2026 and tracks 932 professional contacts across them, including 255 with verified work emails and 22 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for CRM api developers associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 9, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 9, 2026 How this list was built
67Companies
932Contacts tracked
255Verified emails
22Mobile numbers
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The 25 largest CRM api developers based in London, United Kingdom

Ranked by team size
Top 25 of 67 company matches for CRM api developers based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 9, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 9, 202651-200130 contacts →

Exact match

“Manras Technologies started as an initiative for bringing young, passionate Salesforce CRM talent under one roof and to create simple yet innovative solutions for various service…”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 9, 202651-20078 contacts →

Exact match

“redk is a CRM consulting company with a difference.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 9, 202651-20051 contacts →

Exact match

“Tailored ERP, CRM & SaaS that automates your operations and fuels measurable growth.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 9, 202651-20036 contacts →

Exact match

“Most businesses don't have a CRM problem.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 9, 202611-5028 contacts →

Exact match

“We live and breathe relationship marketing.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 9, 202611-5026 contacts →

Exact match

“We connect your CRM, ERP, AI and Cloud systems, bridging internal platforms and external tools so your data flows cleanly, your processes run automatically, and your business…”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 9, 202611-5024 contacts →

Exact match

“Aulysius is an information technology consultancy and solution provider.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 9, 20261-1022 contacts →

Exact match

“An enterprise cloud software company that helps teams solve their problems by boosting productivity and transforming tech stacks on CRM platforms such as Salesforce, Dynamics 365…”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 9, 202611-5015 contacts →

Exact match

“Robosme - CRM to Win Easy to use cloud CRM that automates your business and benefits every process you touch the customer.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 9, 202611-5013 contacts →

Exact match

“We are an international team of CRM specialists with over 20 years experience and have developed outstanding expertise in delivering Client Relationship Management (CRM) solutions…”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 9, 202611-5013 contacts →

Exact match

“Digital Works is a digital and software development company.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 9, 202611-5012 contacts →

Exact match

“We are passionate about your customer and the experience they have with your brand.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 9, 202611-5012 contacts →

Exact match

“Simplifying and optimizing your work since 2017.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 9, 202611-507 contacts →

Exact match

“Mawens Business Solutions, with its expert team and history of successful large-scale projects in the constantly emerging IT sector, is offering its customers professional…”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 9, 20261-105 contacts →

Exact match

“We deliver expertise you can trust.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 9, 202611-504 contacts →

Exact match

“Cloudsaber is a specialist business solutions provider based in the UK, focused on implementing and optimising leading CRM, ERP, and accounting systems.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 9, 20261-104 contacts →

Exact match

“Information Systems Cloud (ISCloud) is a consulting company serving customers in the U.K.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 9, 20261-103 contacts →

Exact match

“Arriga is a CRM implementation company.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 9, 20261-103 contacts →

Exact match

“Managewise builds bespoke business software that helps companies work smarter.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 9, 20261-102 contacts →

Exact match

“Through close collaboration with our clients, we shine the light on what is possible.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 9, 20261-102 contacts →

Exact match

“Kitsune Squad: Unleashing the Digital Fox Within Your Business!”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 9, 20261-102 contacts →

Exact match

“At Torteli & Co.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 9, 20261-101 contacts →

Exact match

“At Multisoft we know how frustrating IT can be and that there are times when you just want to get on with your work instead of fighting your software.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 9, 20261-101 contacts →

Exact match

“We are multi-certified CRM systems experts with more than 15 years implementing, migrating and improving CRM systems.”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 9, 20261-101 contacts →

Exact match

“We integrate your solution ideas with software to integrate with systems, to carry out your business faultlessly and synchronously, to make the ideas in your mind come true, to…”

Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase

Showing 25 of 67 CRM api developers based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 255 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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CRM api developers based in London, United Kingdom at a glance

As of Sep 9, 2026
27.4%Verified-email coverage
2.4%Mobile-number coverage
13.9Average contacts per company
1-10Median size (employees)
Sep 9, 2026Page data refreshed

Companies by employee count

1-10
36
11-50
20
51-200
8
201-500
3

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 12.0d

Company record updated

Median 59.0d

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 London, United Kingdom whose business descriptions match “CRM api developers” 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 255 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 9, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

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 “CRM api developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many CRM api developers are there based in London, United Kingdom?

RevenueBase identified 67 company matches for CRM api developers associated with London, United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Manras Technologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most CRM api developers?

London leads the United Kingdom with 127 company records, followed by Manchester (11) and Leeds (7).

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 255 professional contacts with verified work emails tracked across these 67 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 9, 2026.

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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.