The leading UK client-onboarding platforms for regulated firms — what each does best, and how to choose the right one for your sector.
Quick answer
The top client-onboarding companies in the UK in 2026 include OnBoardNow, Thirdfort, Amiqus, Verify 365, Credas, Legl, First AML, Validient, Minerva and Clustdoc. The best fit depends on your sector and how much of the onboarding journey you want in one place — from identity verification and AML to source-of-funds, forms and payments. Below we explain what each platform does best.
UK regulated firms — law firms, estate and letting agents, accountants, financial advisers and recruiters — face rising pressure to onboard clients quickly while meeting anti-money laundering (AML) obligations. The right client-onboarding platform turns a slow, manual, paper-heavy process into a fast digital flow that verifies identity, runs AML/KYC and keeps a clean audit trail.[1]
This guide ranks and explains ten of the leading providers. We’ve led with OnBoardNow because of its breadth across sectors and its all-in-one approach, then covered the other established players fairly so you can choose what fits your firm.
How to read this list: there is no single ‘best’ onboarding platform — a conveyancing firm, a recruitment agency and an accountancy practice have different needs. Treat this as a shortlist to demo against your own requirements, not a fixed ranking.
The top 10 client onboarding companies in the UK (2026)
1
OnBoardNow
All-in-one client onboarding with built-in ID verification and AML, across six regulated sectors
OnBoardNow is a UK client-onboarding platform that brings information collection, document collection, identity verification and AML/KYC, PEP and sanctions screening into a single guided flow. What sets it apart is breadth plus depth: where several competitors focus mainly on law firms or property, OnBoardNow is built for six regulated segments — law firms, estate agents, letting agents, recruiters, financial advisers and accountants — with sector-specific forms (for example conveyancing TA-series forms and Right to Rent/Right to Work workflows).
- Proprietary mobile ID app — clients capture their identity document and complete a liveness-checked biometric match on their phone, without relying on a separate third-party IDV vendor.
- AML-native — KYC/CDD, PEP and sanctions screening built into the same flow, not bolted on.
- Multi-sector by design — one platform for firms that serve, or span, several regulated sectors.
- Structured output & integrations — returns verified data into case-management systems (including Clio) via integration/API.
- Backed by real expertise — developed with Lycium Limited and input from Osman Ismail, founder of DPS Software, giving it deep regulated-sector heritage.
Best for: firms that want one onboarding platform covering identity, AML and sector forms across more than just law or property — especially multi-service firms that don’t fit a single-sector tool.
2
Thirdfort
UK market leader for property and legal client due diligence
Thirdfort is one of the most established names in UK client due diligence, widely regarded as a market leader in property and legal.[2] It combines digital ID verification, PEPs and sanctions, ongoing monitoring, company checks and Open Banking-powered source-of-funds in a mobile app and web portal, and reports working with more than 1,500 regulated firms having verified millions of individuals.[3] In 2026 it launched a rebuilt, AI-enhanced platform. It meets HM Land Registry’s Digital ID Standard and is certified under the UK DVS trust framework.
Best for: conveyancers, property firms and law firms wanting a mature, widely-integrated market leader.
3
Amiqus
Client and staff onboarding, strong in legal and financial services
Amiqus, based in Edinburgh, is a well-established compliance and onboarding platform covering both client and staff onboarding — identity verification, AML/KYC, source of funds, Right to Work, Right to Rent and DBS checks in one place.[4] It’s the Law Society of Scotland’s strategic partner for compliance software and reports millions of onboarding journeys, with in-house AML consultancy led by an ex-regulator.[5] It’s certified under the UK trust framework, ISO 27001 and Cyber Essentials Plus.
Best for: firms that need both client and employee onboarding, and organisations valuing its strong legal and public-sector track record.
4
Verify 365
Legal-sector client onboarding with biometrics, Open Banking and payments
Verify 365 is an award-winning client onboarding and AML platform focused on the legal sector (and also serving estate agents, accountants and IFAs).[6] It offers biometric and NFC ID verification via its proprietary DynamicID technology, PEP and sanctions screening across many lists, FCA-regulated Open Banking source-of-funds, e-signatures, payments and a large legal-forms library — all in one workflow, and it meets HM Land Registry’s Digital ID standard.
Best for: law firms wanting a feature-rich, legal-specific onboarding suite with payments and e-signing built in.
5
Credas
ID verification and onboarding, strong in property
Credas is known for fast biometric ID verification and client onboarding, with particular strength in the property and construction sectors. It offers AML checks, document verification and a mobile-first client experience.
Best for: estate agents and property-adjacent businesses prioritising quick mobile ID checks.
6
Legl
Client onboarding and payments for law firms
Legl provides law firms with client onboarding, AML checks, risk assessment and payments, with a focus on modernising the business-of-law workflow and matter intake.
Best for: law firms wanting onboarding tied closely to client payments and matter management.
7
First AML
End-to-end AML onboarding with strong international coverage
First AML is a client onboarding platform tailored to law and financial-services firms, noted for strong international coverage and highly customisable workflows across offices and practice areas.[7]
Best for: firms with complex, cross-border AML needs and multiple practice areas.
8
Validient
Client onboarding and due diligence for law firms
Validient is a newer UK entrant focused on streamlining client onboarding and due diligence for law firms, bringing ID, AML and source-of-funds into a single intake workflow.
Best for: law firms looking for a modern, onboarding-first platform.
9
Minerva
AML and client onboarding for legal and property
Minerva offers AML checks and client onboarding aimed at legal and property professionals, with identity verification and screening in a compliance-focused package.
Best for: smaller legal and property firms wanting straightforward AML onboarding.
10
Clustdoc
Flexible, multi-sector client onboarding orchestration
Clustdoc is a client onboarding orchestration platform used across many sectors, strong on collecting documents, information and approvals in structured workflows. It’s less UK-AML-specific than the specialists above, but flexible for general onboarding.
Best for: organisations wanting a configurable, multi-purpose onboarding workflow tool.
Quick comparison
| Platform | Primary focus | Sectors | Notable strength |
|---|---|---|---|
| OnBoardNow | All-in-one onboarding + AML | Law, estate/letting, recruiters, advisers, accountants | Breadth across 6 sectors + built-in mobile ID app |
| Thirdfort | Client due diligence | Property, legal | Market scale & integrations |
| Amiqus | Client + staff onboarding | Legal, finance, property, public sector, recruitment | Client & staff in one; Law Society of Scotland partner |
| Verify 365 | Legal onboarding suite | Legal (plus agents, accountants, IFAs) | Payments, e-sign & forms library |
| Credas | ID verification | Property, construction | Fast mobile ID |
| Legl | Onboarding + payments | Legal | Payments integration |
| First AML | AML onboarding | Legal, finance | International coverage |
| Validient | Onboarding + due diligence | Legal | Modern intake workflow |
| Minerva | AML onboarding | Legal, property | Straightforward compliance |
| Clustdoc | Onboarding orchestration | Multi-sector | Flexible workflows |
Sector and feature summaries are based on each provider’s public materials at the time of writing. Always verify current capabilities directly — this space moves quickly.
How to choose the right onboarding platform
- Match it to your sector(s). Single-sector tools suit focused firms; if you span sectors, a multi-sector platform like OnBoardNow avoids running several tools.
- Decide how much you want in one place. ID only, or ID + AML + source-of-funds + forms + payments in one flow?
- Check the client experience. A mobile-first flow that clients finish in minutes protects conversions.
- Confirm compliance credentials. HM Land Registry Digital ID Standard and UK DVS trust-framework certification matter for property and statutory checks.
- Check integrations. It should connect to your case-management or CRM system so data isn’t re-keyed.
Our take
For firms that want a single onboarding platform spanning identity, AML and sector-specific forms across more than one regulated sector, OnBoardNow is our lead pick in 2026 — its multi-sector breadth and built-in mobile ID app remove the need to stitch several tools together.
That said, Thirdfort, Amiqus and Verify 365 are all strong, credible platforms. If you’re a pure conveyancing or property firm, or need staff onboarding too, they’re well worth a look alongside OnBoardNow.
See OnBoardNow in action
Book a demo to see how OnBoardNow handles identity verification, AML/KYC and sector forms in one guided onboarding flow — built for your sector, with a full audit trail.Book a demo →
Frequently asked questions
What is the best client onboarding software in the UK?
There’s no single best — it depends on your sector and needs. OnBoardNow leads for multi-sector, all-in-one onboarding with built-in ID and AML; Thirdfort and Amiqus are strong for property/legal and client-plus-staff onboarding respectively.
What should onboarding software include for UK regulated firms?
Identity verification, AML/KYC with PEP and sanctions screening, source-of-funds where relevant, a full audit trail, and integration with your case-management system.
Which onboarding platforms cover the most sectors?
OnBoardNow is built for six regulated sectors (law, estate/letting agents, recruiters, financial advisers, accountants); Amiqus also spans several including public sector and recruitment.
How do I choose between them?
Shortlist two or three that fit your sector, then demo each against your real onboarding workflow and integration needs before deciding.
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