Semrush

AI-powered SEO and digital marketing platform for visibility, content, and competitive intelligence

IBM watsonx

Enterprise AI platform with built-in governance, trust, and transparency

Semrush

Moderate

13/25

IBM watsonx

Excellent

24/25

Score Breakdown

DimensionSemrushIBM watsonx

Data Residency

Where is your data stored and processed?

Semrush: Infrastructure spans US and EU; no dedicated per-customer data residency selection; standard DPA available for GDPR compliance

IBM watsonx: Comprehensive multi-region data hosting across US, EU, Asia Pacific, and support for on-premise deployment. FedRAMP High authorization for US government data. Exceptional data residency flexibility.

2/5

Infrastructure spans US and EU; no dedicated per-customer data residency selection; standard DPA available for GDPR compliance

5/5

Comprehensive multi-region data hosting across US, EU, Asia Pacific, and support for on-premise deployment. FedRAMP High authorization for US government data. Exceptional data residency flexibility.

Legal Jurisdiction

Which laws govern the company and your data?

Semrush: US-incorporated public company, now a subsidiary of Adobe Inc.; subject to US jurisdiction and CLOUD Act; GDPR DPA available

IBM watsonx: Incorporated in New York, US. FedRAMP authorization and long-standing government contracts demonstrate compliance with stringent US regulatory frameworks. DPA and SCCs available for EU data transfers.

2/5

US-incorporated public company, now a subsidiary of Adobe Inc.; subject to US jurisdiction and CLOUD Act; GDPR DPA available

4/5

Incorporated in New York, US. FedRAMP authorization and long-standing government contracts demonstrate compliance with stringent US regulatory frameworks. DPA and SCCs available for EU data transfers.

Data Retention & Training

Is your data used for model training?

Semrush: Primarily processes public web data; customer project and account data retained per privacy policy; no known use of customer data for AI model training

IBM watsonx: Granular data retention controls with configurable lifecycle management. Comprehensive data processing agreements and audit-ready documentation available for enterprise customers.

3/5

Primarily processes public web data; customer project and account data retained per privacy policy; no known use of customer data for AI model training

5/5

Granular data retention controls with configurable lifecycle management. Comprehensive data processing agreements and audit-ready documentation available for enterprise customers.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Semrush: SOC 2 Type II certified; GDPR and CCPA compliant; no ISO 27001 publicly confirmed

IBM watsonx: Industry-leading certification portfolio including FedRAMP High, SOC 2 Type II, ISO 27001/27017/27018, PCI-DSS, CSA STAR, and HIPAA. Among the most comprehensively certified AI platforms available.

3/5

SOC 2 Type II certified; GDPR and CCPA compliant; no ISO 27001 publicly confirmed

5/5

Industry-leading certification portfolio including FedRAMP High, SOC 2 Type II, ISO 27001/27017/27018, PCI-DSS, CSA STAR, and HIPAA. Among the most comprehensively certified AI platforms available.

Regulatory Fit

Suitability for regulated industries and professional services

Semrush: Suitable for marketing and SEO teams across regulated industries; primary risk is account data jurisdiction rather than sensitive data processing

IBM watsonx: Exceptional regulatory fit across all major regulated industries. Dedicated watsonx.governance toolkit aligns with EU AI Act requirements, NIST AI RMF, and sector-specific financial and healthcare regulations.

3/5

Suitable for marketing and SEO teams across regulated industries; primary risk is account data jurisdiction rather than sensitive data processing

5/5

Exceptional regulatory fit across all major regulated industries. Dedicated watsonx.governance toolkit aligns with EU AI Act requirements, NIST AI RMF, and sector-specific financial and healthcare regulations.

Total Score

13/25

24/25

Best For

Semrush

Best for organisations requiring broad certification coverage (SOC 2 Type II, SOC 3, ISO 27001); regulated industries (FedRAMP, BaFin); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

IBM watsonx

Best for teams that prioritise data retention & training (scores 3/5) and need a bronze-tier tool.

Detailed Comparison

IBM watsonx vs Semrush: Trust & Compliance Comparison

IBM watsonx (IBM, US) scores 24/25 overall with a Gold (Excellent) trust badge. Enterprise AI platform with built-in governance, trust, and transparency. Semrush (Semrush, US) scores 13/25 with a Bronze (Moderate) trust badge. AI-powered SEO and digital marketing platform for visibility, content, and competitive intelligence.

Dimension-by-Dimension Breakdown

#### Data Residency

IBM watsonx leads with 5/5 vs 2/5.

●IBM watsonx (5/5): Comprehensive multi-region data hosting across US, EU, Asia Pacific, and support for on-premise deployment. FedRAMP High authorization for US government data. Exceptional data residency flexibility.

●Semrush (2/5): Infrastructure spans US and EU; no dedicated per-customer data residency selection; standard DPA available for GDPR compliance

#### Legal Jurisdiction

IBM watsonx leads with 4/5 vs 2/5.

●IBM watsonx (4/5): Incorporated in New York, US. FedRAMP authorization and long-standing government contracts demonstrate compliance with stringent US regulatory frameworks. DPA and SCCs available for EU data transfers.

●Semrush (2/5): US-incorporated public company, now a subsidiary of Adobe Inc.; subject to US jurisdiction and CLOUD Act; GDPR DPA available

#### Data Retention & Training

IBM watsonx leads with 5/5 vs 3/5.

●IBM watsonx (5/5): Granular data retention controls with configurable lifecycle management. Comprehensive data processing agreements and audit-ready documentation available for enterprise customers.

●Semrush (3/5): Primarily processes public web data; customer project and account data retained per privacy policy; no known use of customer data for AI model training

#### Certifications

IBM watsonx leads with 5/5 vs 3/5.

●IBM watsonx (5/5): Industry-leading certification portfolio including FedRAMP High, SOC 2 Type II, ISO 27001/27017/27018, PCI-DSS, CSA STAR, and HIPAA. Among the most comprehensively certified AI platforms available.

●Semrush (3/5): SOC 2 Type II certified; GDPR and CCPA compliant; no ISO 27001 publicly confirmed

#### Regulatory Fit

IBM watsonx leads with 5/5 vs 3/5.

●IBM watsonx (5/5): Exceptional regulatory fit across all major regulated industries. Dedicated watsonx.governance toolkit aligns with EU AI Act requirements, NIST AI RMF, and sector-specific financial and healthcare regulations.

●Semrush (3/5): Suitable for marketing and SEO teams across regulated industries; primary risk is account data jurisdiction rather than sensitive data processing

Certifications at a Glance

Certification	IBM watsonx	Semrush
CSA STAR	Yes	No
FedRAMP High	Yes	No
ISO 27001	Yes	No
ISO 27017	Yes	No
ISO 27018	Yes	No
PCI-DSS	Yes	No
SOC 2 Type II	Yes	Yes
SOC 3	Yes	No

Overall Verdict

IBM watsonx has a clear trust advantage, scoring 24/25 compared to Semrush's 13/25. IBM watsonx particularly excels in data residency, legal jurisdiction, data retention & training, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Semrush or IBM watsonx?

Semrush has a TrustKit score of 13/25 while IBM watsonx scores 24/25. IBM watsonx currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Semrush and IBM watsonx compare on data residency?

Semrush scores 2/5 for data residency (Infrastructure spans US and EU; no dedicated per-customer data residency selection; standard DPA available for GDPR compliance), while IBM watsonx scores 5/5 (Comprehensive multi-region data hosting across US, EU, Asia Pacific, and support for on-premise deployment. FedRAMP High authorization for US government data. Exceptional data residency flexibility.).

Are Semrush and IBM watsonx GDPR compliant?

Both tools are assessed across five compliance dimensions. Semrush has a regulatory fit score of 3/5 and IBM watsonx scores 5/5. Check the full comparison above for a detailed breakdown.

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