KYC is the single biggest place where a retail broker leaks acquisition budget. Choosing the wrong vendor costs six figures a year in lost first-deposits. Here is the neutral read across the vendors brokers actually use.
Retail-broker KYC is the highest-friction moment in the customer journey. Every bad document upload, every unnecessary re-request, every hour of manual review is directly correlated with acquisition-budget waste. The vendor choice matters.
Below is the shortlist most retail brokers work from in 2026, scored on the numbers that matter — pass rate, review time, and compliance audit depth.
% of low-risk customers auto-approved without human review.
FCA, CySEC, ASIC, DFSA, VARA, FSCA out of the box.
Real-time upload feedback that reduces retry cycles.
Native or plugged into ComplyAdvantage / Refinitiv.
Can you push firm-specific rules into the vendor?
EU, UK, offshore residency options.
Broker-heavy KYC vendor with wide jurisdictional coverage.
EU-centric KYC vendor with strong broker fluency.
Growing KYC vendor with aggressive pricing.
Broader-market KYC with fintech + broker customers.
Bespoke AI systems, engineered for the firm's own P&L and regulator envelope.
| Criterion | Sumsub | Ondato | iDenfy | Onfido | KJ Capital |
|---|---|---|---|---|---|
| Retail-broker pass rate | High | High | Medium | Medium | Vendor + orchestration |
| Jurisdictional workflow coverage | Very wide | EU-strong | Growing | Wide | Firm-specific |
| Firm-specific rule tuning | Limited | Limited | Limited | Configurable | Unbounded |
| Bespoke ceiling | Vendor-capped | Vendor-capped | Vendor-capped | Vendor-capped | Unbounded (orchestration layer) |
For most brokers, the right shape is one primary KYC vendor (Sumsub or Ondato in practice) plus a bespoke orchestration layer on top. The bespoke layer is where firm-specific rules, retry logic, live diagnosis and compliance evidence live — turning a generic KYC product into a genuinely competitive onboarding funnel.
KJ Capital's Client Onboarding & KYC productised build is exactly this — £85k / 6 weeks — sitting on top of Sumsub, Ondato or the vendor of your choice.
Sumsub is the safe default for most retail brokers. Ondato if you are EU-only and want EU-residency by default.
For anything above ~5k applications per month, yes. Below that, vendor defaults are usually enough for year one.
In production, we see 15–30% lift in first-attempt pass rate over vendor defaults, driven mostly by live diagnosis and retry orchestration.
Yes, if the orchestration layer is bespoke. Firms locked into a vendor's proprietary rules find switching materially harder.
Depends on vendor. Sumsub is global; Ondato is EU; bespoke orchestration can be firm VPC.
The £15k AI Diagnostic is a two-week engagement that produces a costed build plan mapped to your stack, your regulator and your P&L.