ARK
“Can a UK-based tax and regulatory reporting SaaS become the default automation layer for FTSE-scale compliance obligations globally?”
HQLondon, UK (with Belfast office)
Latest round£4.5M investment from Gresham House Ventures (January 2026)
IndustryVertical SaaS / Tax & Regulatory Reporting
The story
ARKK (Arkk Consulting Ltd, UK company number 06957576) is a UK-based tax automation, regulatory reporting, and digital tagging SaaS company. Its ARKK Automation Platform handles VAT, Pillar Two, OTP, CbCR, FATCA, CARF, iXBRL/ESEF and dozens of other tax and regulatory taxonomies for over 1,000 customers including 65% of the FTSE. It is a pure regulatory-tech play — it does NOT offer embedded finance to end users; it helps enterprises submit their filings to HMRC, Bank of England, CBI, and other regulators.
Last 12 months
Product timeline
2016
ARKK achieves ISO 27001 certification for its ISMS covering delivery of regulatory reporting software.· certification
2026
Gresham House Ventures invests £4.5M in ARKK.· funding
The stack
0 layers disclosed in ARK’s embedded-finance stack
Accounting gap: none