BDO UK
Independent third-party assurance under SOC 1, SOC 2 and ISAE standards from a major UK accountancy firm.
Overview
BDO UK is a large national accountancy, audit and advisory firm whose third-party assurance practice provides independent assurance over service organisation controls. It works with frameworks including SOC 1, SOC 2 and ISAE 3000/3402, delivering both Type 1 and Type 2 reports so clients can demonstrate control effectiveness to stakeholders. SOC 1 is issued under AICPA/ISAE 3402 standards and SOC 2 against the AICPA Trust Services criteria.
Strengths
- ✓Major national firm issuing SOC 1, SOC 2 and ISAE 3000/3402 reports
- ✓Both Type 1 and Type 2 engagements offered
- ✓Part of the global BDO network with broad sector experience
Consider
- •Live evidence page blocked automated fetch (HTTP 403); scope confirmed via BDO's own page content in search
- •Large-firm engagement model may be heavier than boutique SOC specialists
Frameworks covered
Regions served
Pricing and timeline in context
Based in London, UK, BDO UK quotes SOC 2 work in the $18K–$90K band — in line with the national firm median of $18K–$90K across the firms we track. As an AICPA-licensed CPA firm it issues SOC 1, SOC 2 Type 1, and SOC 2 Type 2 reports directly, and the fee scales with your headcount, the Trust Services Criteria in scope, and any frameworks you bundle. Plan for roughly 8–22 weeks on a Type 2 engagement. Compare it against the full SOC 2 audit cost benchmark before you commit.
Who BDO UK is for
BDO UK works most often with SaaS and Fintech companies. Scale-ups and mid-market companies that want experienced, credible coverage without Big Four pricing are the typical fit.
Frequently asked questions
How much does a BDO UK SOC 2 audit cost?
BDO UK's SOC 2 engagements typically run $18K–$90K, depending on your headcount, the Trust Services Criteria in scope, and how many frameworks you bundle. Because no firm publishes fixed pricing, request a scoped quote — you can get three matched quotes on identical scope to compare.
How long does a BDO UK SOC 2 audit take?
A typical Type 2 engagement with BDO UK takes about 8–22 weeks from kickoff to report, plus the observation window itself. Use the timeline calculator to estimate your own schedule.
What frameworks does BDO UK cover?
BDO UK covers SOC 1, SOC 2 Type 1, and SOC 2 Type 2. If you need several of these, bundling them into one engagement is usually cheaper than auditing each separately.
Is BDO UK an AICPA-licensed CPA firm?
Yes. BDO UK is an AICPA-licensed CPA firm, which is a requirement to issue a SOC 2 report — only licensed CPA firms can. It's worth confirming a firm's AICPA peer-review status before signing; see questions to ask a SOC 2 auditor.
Where does BDO UK operate?
BDO UK is headquartered in London, UK and serves clients across United Kingdom. SOC 2 is a US attestation standard, so a US-licensed firm can serve clients wherever they are based.
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