Are you ACSP-ready for the new rules?

Becoming an Authorised Corporate Service Provider (ACSP) is now critical for any firm filing with Companies House on behalf of clients. Red Flag Alert helps you embed robust identity verification, AML checks and audit-ready records into your ACSP process in days, not weeks.

Speak to an expert

Automate client and officer verification against trusted data sources

Evidence compliance with the Economic Crime and Corporate Transparency Act (ECCTA)

Reduce onboarding risk and speed up approvals, without spending additional time or a lot of money

A workflow showing how the compliance checks go into the Red Flag Alert system then into Companies HouseA workflow showing how the compliance checks go into the Red Flag Alert system then into Companies House

How Red Flag Alert supports ACSPs

From 2026, Authorised Corporate Service Providers must verify the identity of clients and people with significant control, and ensure that they keep detailed records to demonstrate effective AML controls. Red Flag Alert provides an end-to-end compliance platform tailored for ACSP obligations:

Real-time checks, with clear pass or fail outcomes.



Dynamic business risk scores using live company and financial data

Centralised, time-stamped verification and risk files to evidence compliance

Configurable onboarding journeys for the relevant professionals



Book with one of our ACSP experts
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From ECCTA to ACSP: Getting ready for Companies House reform

17th February 2026

12pm GMT

Reserve your spot today to make sure your firm is ready for all aspects of Companies House reform. We'll cover  clear ACSP processes, the removal of the SRA, and why an efficient onboarding journey is more important than ever.

Sign up to discover: 

  • How to turn uncertainty into a clear ACSP action plan
  • Why robust verification and efficient onboarding is non-negotiable
  • Why better data and monitoring protects income and strengthens client relationships.

Sign up for our ACSP webinar

How many red flags are in your ACSP process? Take our quick quiz to see where you may be at risk.

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Our ACSP resources

Two people sat at a desk with a clipboard looking at a laptop

What is an Authorised Corporate Service Provider (ACSP)?

How can you prepare for compliance under the ECCTA? Find out what the ACSP rules mean for accountants, and how to prepare under new regulatory laws

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ACSP and ECCTA FAQs: Identity Verification and Companies House compliance

Clear answers to the most common ACSP and ECCTA questions, including identity verification, Companies House obligations and practical compliance steps

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For our quickest response simply call us on 0330 460 9877 and speak to an expert now!