Best AI Advisory Services

Deloitte vs PA Consulting: full comparison for 2026

Quick verdict

Deloitte (4.3/5) edges ahead of PA Consulting (4.0/5) overall. Deloitte is the better choice for large regulated groups needing documented AI controls. PA Consulting is the stronger option for UK public bodies wanting advice plus delivery. The right choice depends on how independent you need the advice to be, your regulatory exposure, and your budget.

Deloitte vs PA Consulting: head-to-head summary

Criterion Deloitte PA Consulting
Founded 1845 1943
HQ London, UK London, UK
Team size 460,000+ ~3,900
Rating 4.3 / 5 4.0 / 5
Primary differentiator Regulatory and audit teams beside the AI advisers, with global reach Advice from teams that also design and build, strong in UK government
Pricing model Program fees; rates not published Consulting fees; rates not published
Min. engagement Not disclosed Not disclosed
Primary tech stack EU AI Act, NIST AI RMF, GDPR Azure, AWS, GDPR
Industries served Banking, Insurance, Healthcare, Government & public sector, Energy Public sector, Defense, Healthcare, Energy & utilities, Consumer

Deloitte vs PA Consulting: overview

Deloitte

With more than 460,000 people and roots in an 1845 London accounting practice, Deloitte has the widest reach of any firm on this list. Its AI advisory sits next to risk and regulatory teams, which helps banks, insurers, and health systems that must document how each model is governed. Deliverables tend to be thorough and heavy. Expect large teams, long timelines, and a natural path into Deloitte's own implementation work.

PA Consulting

PA Consulting started in 1943 as Personnel Administration and is now a London-based firm with about 3,900 employees and £753 million in 2024 revenue. Jacobs has owned 65% since 2021, with staff holding the rest. Its AI advice tends to come from teams that also design and build products, especially for government, defense, and health clients in the UK and Nordics. That makes the advice practical, though rarely independent of a build.

Services and capabilities: Deloitte vs PA Consulting

Capability Deloitte PA Consulting
Readiness assessment ✓ ✗
Use-case prioritization ✗ ✓
TCO / ROI modeling ✗ ✗
AI governance & EU AI Act ✓ ✗
Build vs. buy advice ✗ ✗
Independent audit or assurance ✓ ✗
Roadmap any vendor can implement ✗ ✗
Delivery capability after advice ✓ ✓

Frameworks and platforms: Deloitte vs PA Consulting

Framework / platform Deloitte PA Consulting
EU AI Act ✓ ✓
GDPR ✓ ✓
DORA ✓ N/A
NIST AI RMF ✓ N/A
ISO/IEC 42001 N/A N/A
Azure ✓ ✓
AWS N/A ✓
Google Cloud N/A N/A

Pricing comparison: Deloitte vs PA Consulting

Criterion Deloitte PA Consulting
Minimum engagement Not disclosed Not disclosed
Engagement models Fixed-scope assessment, Multi-use-case advisory, Audit or certification, Delivery team Multi-use-case advisory, Delivery team
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Deloitte vs PA Consulting

Dimension Deloitte PA Consulting
Best company size Enterprise Mid-market to enterprise
Best industries Banking, Insurance, Healthcare Public sector, Defense, Healthcare
Best use cases Model governance documentation for a bank or insurer., Group-wide AI policy across many countries. AI planning for UK government departments., Health service AI adoption.
Typical project type Fixed-scope assessment Multi-use-case advisory

Deloitte vs PA Consulting: pros and cons

Deloitte
+ Widest geographic reach on this list
+ Change and workforce programs are mature
+ Regulators know its methods
- Slow and expensive for a mid-size company's first assessment
- Advice often leads into Deloitte's own delivery work
- Audit-client independence rules apply
PA Consulting
+ Long record with UK government and health clients
+ Design and engineering behind the advice
+ Partly owned by staff
- Jacobs holds 65%, and one database reports a full acquisition in 2026 that we couldn't confirm
- Advice usually comes packaged with delivery
- Rates not published

Who should choose Deloitte?

A typical fit: model governance documentation for a bank or insurer.

Regulatory and audit teams beside the AI advisers, with global reach. Minimum engagement is not publicly disclosed. Works best with clients in Banking, Insurance, Healthcare, Government & public sector, Energy.

Who should choose PA Consulting?

A typical fit: AI planning for UK government departments.

Advice from teams that also design and build, strong in UK government. Minimum engagement is not publicly disclosed. Works best with clients in Public sector, Defense, Healthcare, Energy & utilities, Consumer.

Decision matrix: Deloitte vs PA Consulting

Your situation Recommended choice
You want advice with no build contract attached Neither; write the build as a separate decision
Finance needs run costs before approving anything Neither lists cost modeling; ask for a sample
Some of your use cases may be high-risk under the EU AI Act Deloitte
You need an outside check on a system already built Deloitte
You want the same firm to build what it recommends Both can deliver
Your budget is at the lower end Compare: Deloitte (Not disclosed) vs PA Consulting (Not disclosed)
You need advisers in many countries at once Deloitte

Use case fit: Deloitte vs PA Consulting

Use case Deloitte fit PA Consulting fit Winner
Model governance documentation for a bank or insurer. Strong Limited Deloitte
Group-wide AI policy across many countries. Strong Limited Deloitte
AI planning for UK government departments. Limited Strong PA Consulting
Health service AI adoption. Limited Strong PA Consulting

Verdict: Deloitte vs PA Consulting

Deloitte (4.3/5) is the stronger overall choice for most AI Advisory projects. Regulatory and audit teams beside the AI advisers, with global reach.

PA Consulting (4.0/5) is worth a look if you need health service AI adoption. If your situation matches that, PA Consulting is a competitive option.

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Deloitte vs PA Consulting FAQ

Is Deloitte better than PA Consulting?

Deloitte (4.3/5) scores higher overall, but "better" depends on your use case. Deloitte's strongest advantage: widest geographic reach on this list. PA Consulting's strongest advantage: long record with UK government and health clients.

How do Deloitte and PA Consulting differ in pricing?

Deloitte's pricing: program fees; rates not published. PA Consulting's pricing: consulting fees; rates not published. Any hourly bands shown come from Clutch, not a published rate card, so a scoping call is still needed for a project quote.

Which is better for enterprise: Deloitte or PA Consulting?

Deloitte is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each firm before shortlisting.

What are the main differences between Deloitte and PA Consulting?

Deloitte's primary differentiator is: regulatory and audit teams beside the AI advisers, with global reach. PA Consulting's primary differentiator is: advice from teams that also design and build, strong in UK government. They also differ in team size (460,000+ vs ~3,900), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Banking, Insurance vs Public sector, Defense).

Verify all details directly with each firm before making a decision.