🇬🇧Accounting & Finance Operations in United Kingdom

25 accounting & finance operations providers in United Kingdom, publishing 7 APIs.

25 providers 7 published APIs 7 indexed documents

Accounting & Finance Operations in United Kingdom — 25 providers on the APIs.io network sit in both cohorts, and between them they publish 7 indexed APIs.

6 of the 25 publish at least one machine-readable API; 19 publish nothing indexed at all. That split is the first thing worth reading here — a vertical can be well represented in a market and still have almost no programmable surface.

By Kin Score band: 13 emerging, 8 minimal, 3 thin, and 1 developing.

Leading by rating: Adfin, Hnry, Clear Books, Kraken Technologies, Freetrade, VAT API, and 19 more.

Country membership reads a tag, a stated headquarters or a stated nationality. A provider lands in United Kingdom when one of its own top-level tags names the country, when its own description states a headquarters that names the country or one of its cities, or when it describes itself by nationality (“a French company”; roadmap#542, #719). Region words (“Latin American”), language uses (“French-speaking”) and a city named outside a headquarters statement are not counted, so this cell is a floor, not a census.

Providers (25)

Provider Description APIs Rating
Adfin Adfin is a London-based fintech that combines payment collection and AI-powered credit control so businesses get paid faster. Its developer platform exposes invoicing, payments ... 1 developing
Hnry Hnry is a New Zealand-founded financial administration and accounting service for sole traders, contractors and freelancers, operating in New Zealand, Australia and the United K... 1 thin
Clear Books Clear Books is UK cloud accounting software with a REST API for managing invoices, expenses, bank transactions, contacts, reports, and tax submissions for small businesses. 1 thin
Kraken Technologies Kraken Technologies is the United Kingdom energy technology company behind Kraken, the licensed cloud operating system for utilities. Founded in 2016 inside Octopus Energy and s... 2 thin
Freetrade Freetrade is a UK retail investment platform, founded in 2018 and headquartered in London, that offers commission-free investing in more than 8,600 stocks, ETFs, investment trus... 0 emerging
VAT API EU and UK VAT compliance REST API providing VAT rate retrieval, VAT number validation via the European Commission VIES system and UK HMRC, currency conversion, and VAT-compliant... 1 emerging
Sage Accounting Sage Accounting (formerly Sage Business Cloud Accounting and Sage One) is Sage's cloud-based accounting software for UK and international small and medium businesses, covering i... 1 emerging
Tide Tide is a UK business finance and administration platform ("built by business owners for business owners") serving over two million small businesses, sole traders, freelancers, ... 0 emerging
Bippit Bippit is a UK-based financial wellbeing platform that gives every employee access to personal, qualified financial coaching alongside AI-powered guidance available 24/7, planni... 0 emerging
Satago Satago is a UK financial-technology platform offering a three-in-one cash flow management solution for small and medium-sized businesses: Risk Insights (real-time credit checks,... 0 emerging
Briefcase Briefcase is an AI-native accounting and bookkeeping automation platform for UK accounting firms and businesses. Founded in 2024 in London by Reuben Steenkamp and Ján Stehlík, a... 0 emerging
Xelix Xelix is a London-based company (with a US office in Wilmington, DE) providing an AI-powered Accounts Payable control platform that bolts onto existing ERP, P2P, and email syste... 0 emerging
Apron Apron is a London, UK-based financial technology company that helps small business owners, accountants, and bookkeepers automate supplier payments, payroll, expenses, and paymen... 0 emerging
Sidekick Sidekick is a UK-based online wealth management and investing platform that offers expert-led investments and savings products once reserved for the ultra-wealthy, delivered thr... 0 emerging
Forterro Forterro is a pan-European industrial software company, founded in 2012 and headquartered in London, that provides enterprise resource planning (ERP) and specialised business so... 0 emerging
Plum Plum is a UK-based personal finance "money app" that helps consumers save and invest automatically. Its mobile app pairs automated savings algorithms (eight saving automations) ... 0 emerging
Kestrl: Muslim Money App Kestrl is a UK-based, FCA-regulated ethical fintech offering a values-aligned money app for Muslim and ethically-minded consumers. In partnership with Maybank Islamic, it provid... 0 emerging
Wollit Wollit is a UK-based credit-health subscription service (£9.99/month) that helps consumers build and strengthen their credit profile. Authorised and regulated by the Financial C... 0 minimal
Worldover Worldover is the AI operating system for chemicals and cosmetics companies, replacing fragmented ERP, PLM, QMS, LIMS, and regulatory tools with one AI-orchestrated system custom... 0 minimal
Whitespace Whitespace is an AI operating system for wholesale distributors, based in London and part of Y Combinator's Summer 2026 batch. The platform connects to a distributor's existing ... 0 minimal
Taxscouts TaxScouts is a UK online tax-return and Self Assessment service that pairs individuals, sole traders, landlords and investors with accredited accountants to prepare, review and ... 0 minimal
Getground GetGround is a London-based property investment platform that lets UK and international buy-to-let investors set up and run their rental businesses through a limited company. Th... 0 minimal
AssetVault AssetVault is a London-based consumer fintech platform that helps individuals and families catalogue, protect, and grow their valuable assets in one secure digital vault. It spa... 0 minimal
Fluidly Fluidly was a London-based intelligent cashflow forecasting fintech founded in 2016 by Caroline Plumb, providing SME cash-flow prediction, scenario planning, and working-capital... 0 minimal
taptrip.co TapTrip (taptrip.co) was a UK-based self-serve business travel and expense booking platform for SMEs, founded in 2018 in Manchester and part of the Barclays Accelerator powered ... 0 minimal

Indexed API documents (7)

Two numbers, both real: these providers publish 7 APIs as their own documents, which the catalog indexes split one-per-resource into 7 documents.

Adfin API

Invoicing, payments and credit-control API — customers, invoices, payment requests, direct-debit mandates, payments and signed webhooks.

Hnry Platform API

The REST API behind the Hnry app. It backs the Hnry iOS/Android clients and the published Hnry Zapier integration, which exposes create/f...

Clear Books REST API

RESTful API for integrating with Clear Books accounting software to manage invoices, payments, contacts, bank transactions, and expenses.

Open Kraken APIs and Events

Open Kraken is the integration layer of the Kraken utility operating system. Kraken publicly describes it as "APIs, events and MCP" for b...

Open Kraken AI Access Layer (MCP)

An AI access layer that Kraken announced as an expansion of Open Kraken, built using the Model Context Protocol and described as MCP gate...

VAT API v2

REST API for EU and UK VAT compliance including VAT rate lookups by country, VAT number validation against VIES and HMRC, currency conver...

Sage Accounting v3.1 REST API

REST API for Sage Business Cloud Accounting providing access to contacts, sales invoices, sales credit notes, purchase invoices, purchase...

Other industries in United Kingdom

Artificial Intelligence 125 Financial Technology 115 Payments & Money Movement 108 Financial Services 99 Banking & Open Banking 93 Healthcare 50 Data & Analytics 49 Digital Health & Telehealth 47 Insurance 46 Real Estate 45 Education & EdTech 43 Climate & Sustainability 42 All of United Kingdom →

Accounting & Finance Operations elsewhere

North America 77 Europe 76 DACH (Germany · Austria · Switzerland) 22 United Kingdom & Ireland 22 Latin America 21 Middle East 18 India & South Asia 16 Japan & Korea 12 Africa 11 Southeast Asia 11 France & Iberia 10 Nordics 10 All of Accounting & Finance Operations →

This page is the intersection of two independently computed cohorts: United Kingdom and Accounting & Finance Operations. A provider appears here only when it is already a member of both. United Kingdom membership is matched on tag, stated HQ, so this is a floor rather than a census — coverage gaps show up here as small numbers, not as absent pages.

Work with this as data

Every country here is available over the APIs.io API and to AI agents over MCP. Countries is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.

MCP server

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https://apis.io/mcp

Tools for countries

3 MCP tools reach this
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

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curl "https://apis.io/api/v1/search?q=united-kingdom-accounting-finance-ops&limit=10"
Everything under a tag
curl "https://apis.io/api/v1/tags/united-kingdom-accounting-finance-ops"

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