AxiLayer AI crestAxiLayerAI™
Industries · Professional Services & Accounting

Continuous Evaluation for the AI That Tests the Ledger, Drafts the Tax Memo and Screens the Candidate

AxiSentinel extends continuous AI compliance evaluation to accounting and audit firms, tax advisers, consulting firms, actuaries and HR and recruitment agencies: the AI that tests a journal entry, drafts a workpaper or a tax memo, reviews a contract, screens a candidate and captures the billable hour, evaluated against the audit standards, ethics codes, confidentiality rules and AI laws that govern each engagement, with evidence a regulator, an inspector or a client can rely on.

$54.2B by 2034
Global AI for Accounting Market, 25.9% CAGR
15 Dec 2025
PCAOB Technology-Assisted Analysis Rules, for Fiscal Years Beginning On or After
15 Dec 2026
PCAOB QC 1000 Quality Control Standard Takes Effect
2 Dec 2027
EU AI Act High-Risk Rules for Recruitment and Workforce AI
Configurable
Monitoring Cadence Between Scheduled Reviews and Continuous Evaluation
What's Changing

Professional Services Just Became an AI Governance Problem

Audit, tax, consulting and recruitment firms sell judgment, and AI now sits inside that judgment: the analytics that pick which entries to test, the assistant that drafts the memo, the model that ranks the candidates. Between 2022 and 2026 audit standard-setters, ethics boards, tax confidentiality rules, hiring laws and the EU AI Act all arrived at the engagement at once.

Dec 2022
ISQM 1 Quality Management Takes Effect
Firms performing audits and reviews under IAASB standards must run a system of quality management, and the technological resources they rely on, AI tools included, sit inside it.
Dec 2024
IESBA Code Technology Revisions Apply
The global ethics code for professional accountants now addresses technology directly: confidentiality, competence and due care when relying on technology, and limits on technology services to audit clients.
Feb 2025
EU AI Act Prohibitions and AI Literacy Apply
Workplace emotion recognition is banned outright, and firms deploying AI must take measures to build the AI literacy of the staff who use it.
Jun 2025
UK FRC Publishes Its First Guidance on AI in Audit
The audit regulator set out how firms should document AI-enabled audit tools, including tools bought from third-party providers, alongside a thematic review of how the six largest firms certify automated tools and techniques.
Dec 2025
PCAOB Technology-Assisted Analysis Amendments Apply
Amendments to AS 1105 and AS 2301 clarify auditor responsibilities when audit procedures rely on technology-assisted analysis of electronic information, for fiscal years beginning on or after 15 Dec 2025.
Sep to Oct 2026
AICPA and Singapore’s ACRA Address AI Directly
AICPA guidance on 11 Sep 2026 sets out how AI affects SOC 1 and SOC 2 examinations, and ACRA’s Audit Practice Guidance No. 1 of 2026 on 2 Oct 2026 tells auditors how to use AI responsibly.
15 Dec 2026
PCAOB QC 1000 and ISSA 5000 Take Effect
The PCAOB’s new quality control standard applies after a one-year postponement, and the IAASB’s sustainability assurance standard applies to periods beginning on or after the same date.
Dec 2027
EU AI Act High-Risk Rules for Recruitment AI
AI used to place job ads, filter applications and evaluate candidates becomes high-risk, reaching every recruitment and staffing agency that hires into the EU.
Professional services crossed from a productivity question into an AI governance problem the moment inspectors started asking how an AI-assisted conclusion was reached, which client data the tool saw, and who checked it before it was signed.

The coverage gap

Audit, tax and recruitment software vendors each report on their own tools. No one evaluates the whole firm’s AI stack, across every engagement and jurisdiction, with evidence an inspector, a regulator or a client would accept.

Who this page is for

  • Audit and accounting firms of every size, including firms registered with the PCAOB and firms applying ISQM 1
  • Tax practices, tax advisers and return-preparation businesses using AI for research, drafting and preparation
  • Management, technology and strategy consulting firms delivering AI-assisted work to clients
  • Actuarial practices and pension, insurance and benefits consultants running model-driven advice
  • HR consultancies, recruitment agencies and staffing firms using AI to source, screen and match candidates
  • Quality, risk and ethics leaders responsible for the firm’s own AI tools and the vendors behind them
  • Clients, audit committees, insurers and investors who rely on work these firms produce with AI
Global Coverage

Every rule that touches an engagement, a client file or a candidate

Professional services AI sits under audit and quality standards, ethics codes, confidentiality and privacy law, hiring law and AI-specific law, in every jurisdiction a firm and its clients operate in. AxiSentinel tracks every layer and builds RegDef packages the moment a rule is stable enough to evaluate against.

United States
PCAOB QC 1000 & Technology-Assisted Analysis
Live Binding

The standards that govern every audit of a US public company now speak directly to the technology auditors use to gather and evaluate evidence.

  • Technology-assisted analysis: amendments to AS 1105 and AS 2301, adopted 12 Jun 2024, apply to audits of fiscal years beginning on or after 15 Dec 2025.
  • QC 1000, from 15 Dec 2026: adopted 13 May 2024 and postponed one year on 28 Aug 2025, it requires a quality control system that covers the firm’s resources, technological resources included.
  • Generative AI under watch: PCAOB staff outreach published in Jul 2024 found firms see a need for strong supervision of generative AI use.
AxiSentinel coverage: tracked, RegDef package build scheduled.
International
IAASB ISQM 1 & the Audit Evidence Proposals
Live Binding

The global audit standard-setter’s quality management standard has applied since 15 Dec 2022, and its evidence standards are being rewritten for a digital environment.

  • ISQM 1: a firm-wide system of quality management with responses for the technological resources the firm uses.
  • Audit evidence and risk response: exposure drafts revising ISA 330, ISA 500 and ISA 520 were published on 5 Aug 2026, with comments due by 15 Dec 2026.
AxiSentinel coverage: tracked.
International
IESBA Code of Ethics, Technology Revisions
Live Binding

In effect since 15 Dec 2024 for professional accountants in business and in public practice wherever the Code is adopted.

  • Confidentiality and due care: principles updated for the digital age, including reliance on the output of technology.
  • Technology services to audit clients: clarified rules on when firms may provide technology-related non-assurance services, a core input to ethics and conflict checks.
AxiSentinel coverage: tracked.
United States
AICPA TQA Section 9561, AI in SOC 1 and SOC 2 Examinations
Live

Released on 11 Sep 2026, the AICPA’s first technical guidance on how a service organization’s use of AI affects SOC reporting.

  • No new criteria: AI is evaluated through the existing Trust Services Criteria, with processing integrity especially relevant.
  • Auditors stay accountable: practitioners who use AI tools remain fully responsible for procedures, evidence and the opinion.
AxiSentinel coverage: tracked.
European Union
EU AI Act
Live Binding

Applies in phases to every AI system a firm deploys toward clients, candidates or its own staff in the EU.

  • Prohibitions and AI literacy, since 2 Feb 2025: workplace emotion recognition is banned, and deployers must take measures to support staff AI literacy.
  • Transparency, since 2 Aug 2026: client-facing chatbots must disclose they are AI, and AI-generated content must be identifiable.
  • High-risk, from 2 Dec 2027: AI used in recruitment and selection, and in decisions on promotion, task allocation and performance of workers.
AxiSentinel coverage: live in the RegDef library today.
European Union
GDPR
Live Binding

Client ledgers, payroll files and candidate records are personal data the moment they enter an AI tool.

  • Processors and transfers: AI vendors processing client data need a processing contract and a lawful basis for any transfer outside the EU.
  • Penalties: up to €20M or 4% of worldwide annual turnover, whichever is higher.
AxiSentinel coverage: live in the RegDef library today.
United States
Tax Return Confidentiality, IRC Section 7216
Live Binding

Tax return preparers may not knowingly or recklessly disclose or use tax return information beyond what the regulations allow, and contractors who receive it are treated as preparers.

  • Consent rules: uses the regulations do not authorize need the taxpayer’s signed advance consent, with stricter terms when the recipient is outside the US.
  • Penalties: criminal fines up to $1,000 and up to one year’s imprisonment per violation, plus a $250 civil penalty under Section 6713.
AxiSentinel coverage: tracked, RegDef package build scheduled.
European Union
CSRD After Omnibus I & ISSA 5000
Live Binding

The sustainability reporting regime was scaled back by Directive (EU) 2026/470, in force since 18 Mar 2026, but assurance remains.

  • Narrower scope: EU companies with more than 1,000 employees and net turnover above €450M.
  • Limited assurance stays: the planned move to reasonable assurance was dropped.
  • ISSA 5000, from 15 Dec 2026: the IAASB’s global sustainability assurance standard applies to periods beginning on or after that date.
AxiSentinel coverage: tracked.
United States
NYC Local Law 144 & Illinois HB 3773
Live Binding

The hiring-AI laws that reach recruitment agencies and the firms’ own graduate and lateral hiring.

  • NYC, enforced since 5 Jul 2023: employers and employment agencies must commission an annual bias audit, publish a summary and notify candidates, with civil penalties of $500 to $1,500.
  • Illinois, since 1 Jan 2026: AI with a discriminatory effect in hiring, promotion or discipline is prohibited, zip codes may not stand in for protected classes, and employees must be notified.
AxiSentinel coverage: tracked, RegDef package build scheduled.
United Kingdom & Singapore
FRC AI in Audit & ACRA Audit Practice Guidance
Live

Audit regulators are setting expectations for AI in the engagement itself.

  • UK FRC, 26 Jun 2025: proportionate documentation of AI-enabled audit tools, including those obtained from third-party providers.
  • Singapore ACRA, 2 Oct 2026: Audit Practice Guidance No. 1 of 2026 on ethical conduct, professional judgment, accountability, openness about AI use and protection of client data.
AxiSentinel coverage: tracked in the regulatory map.
Cross-Cutting
NIST AI RMF & ISO/IEC 42001
Live

General-purpose AI risk-management frameworks that already apply to every AI tool in a firm’s audit, tax, advisory and recruitment stack.

  • Applies everywhere: a journal-entry model, a tax research assistant and a candidate-screening tool are all AI systems under these frameworks.
AxiSentinel coverage: live in the RegDef library today.
Coverage

Use cases we evaluate

From a single practice’s tax research assistant to a global network’s audit analytics, AxiSentinel evaluates professional services AI against whichever rule actually applies, wherever the firm, the client and the data sit.

AI-assisted journal-entry testing
Evidence of which entries the model flagged, which it passed and why, so the audit file shows the procedure was sufficient and appropriate.
Technology-assisted analysis of full populations
Records of data completeness, model version and parameters behind each analysis, against the PCAOB’s amended AS 1105 and AS 2301.
AI-driven audit sampling and risk scoring
Selection logic and thresholds evidenced so the reviewer can see how each sample was chosen.
Generative AI in workpapers
Hallucination checks on drafted text and citations, with a record of who reviewed each AI-generated passage.
Third-party audit tool documentation
Version, change and validation evidence for bought-in audit tools, the documentation the FRC’s guidance expects.
Quality management monitoring of AI tools
Ongoing evidence that AI resources work as intended, for ISQM 1 and QC 1000 monitoring and remediation.
Tax research assistant accuracy
Answers tested against current law and authority, with drift and error rates tracked over time.
Return-preparation and tax-provision AI
Accuracy and exception evidence for AI that populates returns and provisions, reviewed before filing.
Client data confidentiality in AI tools
Evidence of where client and taxpayer data went, which vendor processed it and under what consent, for GDPR and Section 7216.
AI literacy evidence for staff
Records of the measures taken to support AI literacy among the people who use each tool, for Article 4 of the EU AI Act.
Recruitment and staffing screening AI bias
Selection-rate and impact-ratio evidence across candidate groups, for NYC Local Law 144 and EU AI Act high-risk duties.
Graduate and lateral hiring AI
The same bias evidence for the firm’s own hiring tools, including Illinois notice and zip-code rules.
AI-generated consulting deliverables
Provenance of AI-drafted analysis and a record of the disclosure made to the client.
Actuarial and pricing model governance
Validation, drift and assumption-change evidence for model-driven actuarial advice.
Contract and document review AI
Extraction accuracy and missed-clause rates measured against reviewer findings.
Client-facing chatbots and advice assistants
AI-disclosure checks under the EU AI Act and accuracy of the answers clients receive.
SOC 1 and SOC 2 scope for AI
Evidence of how AI affects in-scope systems and processing integrity, the questions AICPA TQA 9561 raises.
Ethics and conflict checks
Evidence of how AI-assisted conflict screening reached each result, and where a professional overrode it.
Billing and time-capture AI
Accuracy of AI-captured time and narratives before they reach a client invoice.
Sustainability assurance data and AI
Provenance of AI-processed sustainability data supporting limited assurance under the CSRD and ISSA 5000.
Third-party AI vendor risk
Model version, update and data-handling evidence for every AI vendor in the engagement workflow.
Human oversight-gap scoring
How much professional judgment sits behind each AI-assisted conclusion, from a tested balance to a rejected candidate.
For Investors

An assurance category professional services AI has never had

Professional services firms are adopting AI across audit, tax, advisory and recruitment work, and the standards governing that work changed in the same four years. AxiSentinel’s architecture already does this for software AI; professional services is a new RegDef surface on the same platform, not a new product.

$6.8B → $54.2B
Global AI for Accounting Market, 2025 to 2034
25.9% CAGR (Global Market Insights).
15 Dec 2026
PCAOB QC 1000 and ISSA 5000 Take Effect
Quality control and sustainability assurance standards land on the same date.
Up to $1,000
US Criminal Fine per Unauthorized Use or Disclosure of Tax Return Information
Plus up to one year’s imprisonment under IRC Section 7216.
Up to $1,500
NYC Civil Penalty per Violation for Unaudited Hiring AI
Employers and employment agencies, enforced since 5 Jul 2023.
$254.4B → $306.1B
Global TIC Industry, the Parent Market
3.8% CAGR (MarketsandMarkets).
Patent Pending
Four layers: patents, trade secrets, copyright and contract.

The commercial logic, stated plainly

  • The standards have caught up with the tools: PCAOB, IAASB, IESBA, AICPA, the FRC and ACRA have all addressed technology or AI in audit and assurance work between 2022 and 2026.
  • Evidence is the defense: an inspector asks how a conclusion was reached. A firm’s best answer is a record of what the AI did, what a professional checked and who signed, and that record is exactly what AxiSentinel produces.
  • Assurance providers need assurance too: the largest audit networks began offering AI assurance to clients in 2025, while the AI inside their own engagements still needs outside, evidence-based evaluation.
  • Same platform, new asset class: RegDef packages for audit, tax, advisory and recruitment AI slot into an architecture already live for software AI, no separate product build required.
  • Compounds with existing verticals: the same evidence that covers a client’s employment, legal and financial-services AI extends across a professional services firm at effectively zero incremental engineering cost.
  • TIC industry precedent: a $254B+ inspection and certification industry has never had a platform for continuous AI assurance across audit, tax and advisory work.

The honest risk picture

  • Accreditation in process.
  • Professional-services RegDef packages are tracked, not yet built. PCAOB QC 1000, Section 7216 confidentiality and hiring-AI bias packages depend on effective dates, implementing rules and inspection practice outside AxiLayer’s control.
  • The standards landscape is still moving. The IAASB’s audit evidence proposals are open for comment until 15 Dec 2026, Illinois implementing rules are pending, and EU sustainability assurance has just been scaled back.
Market figures are drawn from third-party research houses whose scope definitions differ materially; ranges are presented rather than point estimates. Regulatory descriptions are summaries for orientation, not legal advice. Nothing on this page is an offer to sell securities.