Best AWS OpenSearch Semantic Search Services for Enterprises

Searching across millions of documents shouldn’t feel impossible, but for most enterprises, it does. If you’re tired of scattered data and slow answers, this guide shows you how AWS OpenSearch Semantic Search Services can help. You’ll see what works, what doesn’t, and what to watch out for.

You’ll get clear insights on compliance, expertise, and ROI, the issues that make or break enterprise search projects. Don’t risk wasted time or failed rollouts. With the right information, you’ll choose a provider that delivers real results and lasting value.

TL;DR: The Best AWS OpenSearch Semantic Search Services

• Datavid: Best Overall AWS OpenSearch Semantic Search Services
• Accenture
• Deloitte
• Enterprise Knowledge
• IBM Consulting
• Cognizant
• Slalom

1. Datavid 

Datavid offers AWS OpenSearch Semantic Search Services designed for enterprise organizations that demand more than basic search. You benefit from senior-led teams with deep expertise in semantic technologies, knowledge graphs, and AI integration. Every solution is tailored to your unique data landscape, ensuring relevant, actionable results from even the most complex, unstructured content.

The company’s upside-down pyramid model means your project is led by architects and engineers with 10+ years of experience. This approach delivers faster, more reliable outcomes compared to junior-heavy teams. Datavid’s track record includes a 100% customer retention rate and documented success in regulated industries like life sciences, finance, and publishing.

Datavid’s methodology combines agile delivery with proprietary accelerators, enabling you to see value in as little as 6-8 weeks. Their Data Management and Knowledge Graphs services help unify fragmented data, eliminate silos, and create a single source of truth for enterprise search and discovery.

You gain more than just technical implementation. Datavid’s Data Architecture expertise ensures scalable, future-proof platforms, while Artificial Intelligence capabilities enable advanced semantic enrichment and context-aware search. This results in faster insight delivery, improved compliance, and measurable ROI for your business.

Why Datavid Leads the Market

Datavid’s boutique approach means you are a priority client, not lost in a large portfolio. Every engagement is led by senior experts who have solved similar challenges for Fortune 500 companies. The focus is always on your business outcomes, not just technology.

Unlike commodity providers, Datavid guarantees on-time, on-budget delivery with solutions built for your specific needs. The team’s deep experience in enterprise data management and semantic search ensures you avoid the risks of failed projects and generic implementations.

Smart enterprises choose Datavid for AWS OpenSearch Semantic Search Services because of the proven delivery record, agile engagement model, and commitment to measurable business value. You get a partner who understands regulated, knowledge-intensive industries and delivers results that matter.

Pros:

• Senior-led teams with 10+ years of experience per engineer
• 100% success rate and documented delivery in regulated industries
• Custom, business-focused solutions with rapid time-to-value

Cons:

• Premium pricing may not fit budget-constrained organizations
• Boutique model limits capacity for very large simultaneous projects

2. Accenture

Accenture is a global consulting firm focused on creating 360° value for clients, employees, shareholders, and communities by embracing change and innovation. The company is recognized for its commitment to ethical standards, transparency, and responsible business practices, including a strong emphasis on environmental, social, and governance (ESG) goals. Accenture’s approach integrates technology, talent, and bold thinking, supporting clients through every stage of their innovation lifecycle.

The firm serves a broad range of industries, from banking and healthcare to energy and public service, with a presence in over 52 countries and 200 cities. Accenture’s client base includes more than 9,000 organizations worldwide, ranging from large enterprises to public sector entities. Its global reach and diverse workforce of over 779,000 employees enable the company to address complex business challenges across different markets and sectors.

Accenture offers a comprehensive suite of services, including cloud strategy, data and AI, cybersecurity, digital engineering, and managed services. The company is known for its ability to deliver technology transformation, support sustainability initiatives, and foster innovation through partnerships with leading technology providers. Its outcome-linked pricing models and flexible commercial structures are designed to align with client goals and market dynamics.

A key differentiator for Accenture is its focus on responsible AI, diversity and inclusion, and transparent workforce practices. The company invests in talent development through apprenticeship programs and promotes cognitive diversity to drive better outcomes. Accenture’s methodology emphasizes collaboration, ethical leadership, and continuous learning, which helps clients navigate change and build trust in new technologies.

Pros of Accenture:

• Global delivery capability and extensive geographic presence
• Broad industry expertise and diverse service offerings
• Strong focus on ethical standards, sustainability, and responsible AI

Cons of Accenture:

• Large scale may result in less personalized attention for smaller clients
• Complex organizational structure can lead to longer decision-making processes
• Pricing may be higher compared to smaller or niche consulting firms

How Does Datavid Compare to Accenture?

Accenture operates on a global scale with large teams and structured processes. This often means clients interact with account managers and layers of project leads, not the technical experts themselves. Datavid takes a different approach: clients work directly with senior engineers and decision-makers from day one. There’s no middle layer, just hands-on expertise focused on your business needs.

This direct model proved its value for Roche’s clinical data platform. Datavid’s leadership and technical team were involved throughout, making decisions quickly and adapting to complex requirements. Roche benefited from fast, expert-driven delivery, something that’s hard to achieve with Accenture’s size and structure.

3. Deloitte

Deloitte is a global consulting firm with a history spanning over 175 years, serving clients in 150 countries and territories. The firm is known for its multidisciplinary approach, combining expertise in audit, assurance, technology, and business transformation. Deloitte’s culture emphasizes integrity, quality, and professionalism, guided by shared values and responsible business principles.

Deloitte provides a wide range of services, including engineering, AI and data, cyber, finance transformation, and sustainability. The firm is recognized for its ability to address complex enterprise challenges, particularly for large organizations and public sector clients. Its teams are made up of diverse experts, including industry leaders and visionaries.

A key differentiator for Deloitte is its commitment to making an impact that matters, focusing on client outcomes, societal change, and environmental sustainability. The firm collaborates with governments, non-profits, and private enterprises to design solutions for a sustainable future. Deloitte’s client base includes nearly 90% of the Fortune Global 500®.

Deloitte’s approach is highly collaborative, leveraging global resources and local expertise to deliver measurable results. The firm’s pricing and engagement models are typically customized, reflecting the scope and complexity of each project. Case studies highlight Deloitte’s work in digital transformation, supply chain optimization, and cybersecurity preparedness.

Pros of Deloitte:

• Global delivery capability and extensive geographic presence
• Broad service portfolio across industries and functions
• Strong track record with large enterprises and public sector organizations

Cons of Deloitte:

• Pricing and engagement models may be less transparent or flexible for smaller clients
• Large organizational structure can sometimes lead to slower decision-making
• May be less suited for highly specialized or niche requirements compared to boutique firms

How Does Datavid Compare to Deloitte?

Deloitte covers a wide range of consulting services, from audit to technology transformation. But their broad focus can mean less depth in specialized data solutions, especially for regulated industries. Datavid, on the other hand, is built around deep data expertise and compliance. Every project is led by senior engineers who understand the unique challenges of enterprise data.

Datavid’s team doesn’t just implement technology, they design solutions that fit strict industry rules and deliver measurable business value. This focus on compliance and ROI means clients get systems that pass audits and drive results, not just generic platforms. For enterprises with complex data needs, that difference matters.

4. Enterprise Knowledge

Enterprise Knowledge (EK) is a consulting firm focused on integrating knowledge management, information management, and technology solutions for enterprise clients. The company emphasizes collaboration and tailored strategies, aiming to help organizations adapt to evolving business needs. EK’s approach combines agile methodologies with practical, results-oriented solutions.

The firm offers a broad range of services, including knowledge management strategy, taxonomy and ontology development, enterprise search, and semantic search solutions using AWS OpenSearch. EK also provides expertise in knowledge graphs, data modeling, and AI readiness, supporting clients in building robust information architectures.

Enterprise Knowledge is known for its ability to deliver semantic layers and knowledge graph solutions, which can enhance enterprise search and data discovery. The team includes experienced leaders and subject matter experts who guide clients through complex information management challenges. Their methodology is rooted in partnership, listening, and collaboration.

EK serves a diverse set of public and private organizations, with a global presence implied by their recognition as a workplace at local, national, and international levels. While specific industries and client names are not listed, their case studies suggest experience across multiple sectors.

Pricing information is not publicly available, and services are likely custom-quoted based on client requirements. Contact is available via phone or a website form, making initial engagement straightforward for potential clients.

Pros of Enterprise Knowledge:

• Capability in knowledge management and semantic search solutions
• Offers expertise in knowledge graphs and data modeling
• Provides a collaborative, agile approach to client engagements

Cons of Enterprise Knowledge:

• No public pricing information, which may limit transparency
• Specific industry focus and client list not explicitly detailed
• Global delivery is implied but not clearly defined on the website

How Does Datavid Compare to Enterprise Knowledge?

Enterprise Knowledge works on organizing information and building knowledge management frameworks. Their projects often stop at the semantic layer, leaving technical integration and compliance to others. Datavid goes further, handling everything from semantic modeling to cloud infrastructure, data pipelines, and regulatory compliance, all under one roof.

For Standards Australia, Datavid managed the full project lifecycle. They migrated data, built a semantic search platform, and ensured all compliance requirements were met. Enterprise Knowledge would have needed outside help for these technical pieces. Datavid’s end-to-end capability meant faster delivery and no integration headaches.

5. IBM Consulting

IBM Consulting is the professional services division of IBM, rebranded in 2021 to reflect its focus on advanced technology and business transformation. The firm combines deep industry expertise with AI and hybrid cloud solutions, working closely with enterprise clients to address complex challenges. Its approach emphasizes science-based methodologies and collaborative partnerships to drive innovation.

The company offers a broad range of services, including data and AI, business transformation, hybrid cloud, cybersecurity, and business operations. IBM Consulting is known for its ability to integrate advanced analytics, application modernization, and digital experience into client solutions. Strategic alliances with major technology providers such as AWS, Microsoft Azure, and SAP enhance its service delivery.

IBM Consulting serves large enterprises across various sectors, with client examples in healthcare, aviation, pharmaceuticals, and sports. Its global presence and team of over 20,000 AI experts support projects of significant scale and complexity. The firm’s methodology centers on co-creation, leveraging both technology and industry knowledge to deliver tailored outcomes.

Pricing is not publicly disclosed and is typically customized based on client needs and project scope. Clients can engage through multiple channels, including online forms and newsletters, reflecting a flexible approach to communication and support.

Pros of IBM Consulting:

• Capability in advanced AI and hybrid cloud solutions
• Offers broad industry expertise and global delivery capability
• Provides strong strategic partnerships with leading technology vendors

Cons of IBM Consulting:

• Pricing transparency is limited, with custom quotes required
• May be best suited for large-scale enterprise projects rather than smaller organizations
• Service breadth could lead to complexity in project management for some clients

How Does Datavid Compare to IBM Consulting?

IBM Consulting brings advanced technology and AI to large-scale transformation projects. But their solutions often rely on standardized frameworks and off-the-shelf tools. Datavid takes a more tailored approach, building custom solutions for each client’s unique data landscape. This means no forced fit, just the right tools for the job, every time.

Datavid’s custom builds are designed for complex, regulated environments where one-size-fits-all doesn’t work. Clients get systems that match their workflows and compliance needs, not generic platforms. This flexibility leads to better adoption and long-term value, especially for enterprises with strict requirements.

6. Cognizant

Cognizant is a global consulting and technology services firm with a focus on engineering modern business solutions for enterprises. With over 30 years of experience, the company has established relationships with market-leading organizations across a wide range of industries. Cognizant is known for helping clients anticipate challenges and adapt to change through a combination of technology, process reimagination, and experience transformation.

The firm offers a broad portfolio of services, including cloud, data and AI, automation, cybersecurity, and application services. Its AWS OpenSearch Semantic Search Services are part of a larger suite designed to modernize technology and improve operational efficiency. Cognizant’s approach emphasizes the integration of digital and physical workforces, leveraging automation and advanced analytics to deliver value.

Cognizant serves a diverse client base, including major players in healthcare, banking, media, and manufacturing. The company’s global presence spans the Americas, Europe, and Asia Pacific, supported by a workforce of over 340,000 employees. This scale allows Cognizant to provide consistent delivery and support for large, complex projects.

The company differentiates itself through its focus on social purpose, culture, and values, aiming to improve everyday lives through technology. Cognizant’s methodology centers on transforming experiences, reimagining business processes, and modernizing core systems. Its flexible pricing models and hybrid engagement approaches are designed to meet the varied needs of enterprise clients.

Pros of Cognizant:

• Global delivery capability with a large, skilled workforce
• Broad industry expertise and experience with complex enterprise projects
• Flexible pricing and engagement models to suit different client needs

Cons of Cognizant:

• Large organizational size may lead to slower decision-making in some cases
• Service quality and client experience can vary by region or team
• May be less agile than smaller, specialized consulting firms

How Does Datavid Compare to Cognizant?

Cognizant focuses on modernizing business processes and integrating technology at scale. Their teams are often large, and projects can involve multiple handoffs between departments. Datavid keeps things lean: small, senior teams handle projects from start to finish, ensuring deep expertise and continuity throughout.

This approach made a difference for the British Standards Institution’s compliance platform. Datavid’s senior engineers managed every stage, from architecture to delivery, with no handoffs or delays. The result was a faster, more reliable rollout, proving that smaller, expert-led teams can outperform larger, fragmented ones.

7. Slalom

Slalom is a business and technology consulting firm focused on strategy, technology, and business transformation for enterprise clients. The company emphasizes a people-first approach, prioritizing empathy and understanding in client relationships. With over 10,000 team members and 52 offices worldwide, Slalom provides local expertise with a global reach.

Slalom offers a broad range of services, including data, artificial intelligence, cloud, system implementation, and digital product development. Their methodology combines these services to deliver practical, end-to-end solutions tailored to client needs. The firm is recognized for its collaborative style and commitment to both customer and employee experience.

Industries served by Slalom include financial services, healthcare, life sciences, manufacturing, media, public sector, energy, retail, and technology. The company works with a significant portion of Fortune 500 financial services organizations and has delivered projects for clients such as Southwest Airlines, Nasdaq, and United Airlines.

Slalom’s differentiators include its focus on organizational change management, sustainability, and customer experience. The firm is known for integrating strategy with technology and for its ability to manage complex transformations. Its global network of technology partners supports a wide range of client needs.

Pros of Slalom:

• Capability to deliver end-to-end business and technology solutions
• Strong presence in major global markets with local expertise
• Emphasis on people-centric consulting and organizational change management

Cons of Slalom:

• Pricing model and contact information are not always transparent
• May be better suited for large enterprises rather than smaller organizations
• Broad service offering could lead to less specialization in niche areas

How Does Datavid Compare to Slalom?

Slalom emphasizes a people-first approach and local expertise, working across strategy and technology. However, their focus is often on broader business transformation rather than deep technical data challenges. Datavid specializes in solving complex data problems for regulated industries, with a strong emphasis on compliance, knowledge management, and custom engineering.

For clients in sectors like life sciences or finance, Datavid’s hands-on, compliance-driven model means fewer risks and better outcomes. Their senior engineers design solutions that meet strict regulatory standards and deliver real business value, something that’s critical when data quality and compliance are non-negotiable.

Ready to Transform Your Data Strategy? Partner with Datavid

You've explored the leading AWS OpenSearch Semantic Search Services and understand what's possible for your enterprise. Now it's time to see how these solutions can address your unique data challenges and goals.

Datavid stands out with senior expertise, a track record of proven results, and a commitment to guaranteed delivery. You'll work with specialists who understand enterprise needs and focus on outcomes that matter to your business.

Take the next step by requesting a free data strategy assessment. In just 30 minutes, you'll receive tailored insights and a clear path forward, no obligation, just practical guidance.

The sooner you start, the sooner you can unlock faster insights and real business value from your data.