10 Best Development Outsourcing Companies for Custom Themes

Custom theme development has become a vital strategy for businesses seeking to establish a distinct online presence and outperform their competitors. As the global IT outsourcing market continues to expand, more companies are seeking reliable partners to deliver tailored website themes that elevate their brand and enhance user experience. This blog highlights the top 10 development outsourcing companies for custom themes in 2025, providing a comprehensive overview of their strengths, specializations, and the current trends shaping this dynamic field.

Why Outsource Custom Theme Development?

Outsourcing custom theme development is a strategic move for modern businesses. Over three-quarters of companies now outsource IT functions, and custom theme development is a popular choice for several reasons:

• Cost Savings: Outsourcing can reduce costs by up to 70% compared to in-house teams. Businesses avoid overhead expenses related to hiring, training, and maintaining full-time developers.
• Access to Global Talent: Outsourcing connects companies with skilled developers who specialize in the latest design trends, frameworks, and technologies, enabling them to leverage the expertise of top talent.
• Scalability: External teams offer the flexibility to scale resources up or down according to project demands.
• Faster Delivery: Established agencies utilize agile methodologies and advanced tools to expedite project timelines and shorten the time to market.

Trends Shaping Custom Theme Development in 2025

Several trends are influencing the custom theme development landscape:

• AI-Driven Personalization: Artificial intelligence is automating design tasks and enabling real-time content personalization, resulting in more engaging and user-friendly sites.
• Headless and Decoupled Architectures: Separating the front-end from the back-end allows developers to use modern frameworks while maintaining robust content management.
• Mobile-First and AMP Optimization: With mobile usage dominating, themes are designed for optimal performance and speed across all devices.
• Sustainability: Lightweight, eco-friendly themes are gaining popularity, improving load times and reducing energy consumption.

The 10 Best Development Outsourcing Companies for Custom Themes

1. 1840 & Company

1840 & Company is recognized as a global leader in global outsourcing and staffing. They help businesses build remote teams with vetted talent from over 150 countries. They have a proprietary AI Talent Cloud that streamlines hiring and matches clients with the right development talent for custom theme development. Whether a business needs WordPress, Shopify, or custom web application, 1840 & Company provides flexible hiring models, including remote staff augmentation, direct placement, and fully managed outsourcing.

Key strengths:

• Global reach and access to talent in 150+ countries
• AI-driven talent sourcing for precise matches and reduced hiring time
• Flexible hiring models to fit various business needs
• Full compliance with payroll, taxes, and international regulations
• Source development talent with expertise in major platforms such as WordPress

1840 & Company is an ideal choice for organizations seeking a scalable, strategic, and cost-effective partner.

2. Qrolic Technologies

Qrolic Technologies is a top choice for businesses seeking custom WordPress development services. The team specializes in creating visually impressive, high-performance themes tailored to each client’s needs. Qrolic’s approach includes thorough consultation, detailed design, robust development, rigorous testing, and post-launch support.

Key strengths:

• Deep WordPress expertise and focus on customization
• Emphasis on performance, security, and SEO-friendly solutions
• Collaborative, client-oriented process
• Strong track record across diverse industries

Qrolic Technologies is well-suited for businesses seeking fully customized, scalable WordPress solutions with a focus on user experience.

3. 10up

10up is a globally recognized digital agency, delivering complex WordPress websites for major brands and media companies. The company’s distributed team brings expertise in strategic planning, experience design, and open-source technologies, ensuring robust and scalable solutions.

Key strengths:

• Experience with large-scale, complex projects
• Strong emphasis on performance and scalability
• Full-service model with expertise across markets
• Active contributors to WordPress core development

10up is an excellent choice for enterprises and media companies requiring innovative WordPress solutions with advanced functionality.

4. Human Made

Human Made is an award-winning global WordPress agency, building digital solutions for enterprise clients and large publishers. The company manages complex projects at scale and has experience consulting for some of the world’s most visited websites.

Key strengths:

• Enterprise-level WordPress CMS development and consultancy
• Headless and multisite solutions with multilingual capabilities
• The team includes key figures in WordPress development
• Transparent open-source approach

Human Made is recommended for enterprise organizations needing scalable WordPress implementations and multilingual support.

5. rtCamp

rtCamp is a full-stack agency specializing in WordPress solutions at the enterprise level. With over 15 years of experience, rtCamp offers expertise in custom themes, plugins, WooCommerce, and complex migrations.

Key strengths:

• Proven track record in complex implementations
• Long-standing partnership with WordPress VIP
• Focus on performance, security, and scalability
• 100% success rate in platform migrations

rtCamp is a solid option for businesses seeking complex, scalable WordPress solutions and seamless migrations.

6. WebDevStudios

WebDevStudios offers a wide range of custom WordPress development services, catering to startups and enterprises. The team is known for its high-quality work, advanced coding knowledge, and client-focused approach.

Key strengths:

• Experience with enterprise-level projects
• Strong emphasis on coding standards and quality
• Full range of WordPress services
• Ongoing support and maintenance

WebDevStudios is a great fit for companies seeking tailored WordPress solutions and reliable long-term support.

7. XWP

XWP specializes in custom WordPress development, particularly headless solutions. The company offers comprehensive services, from bespoke themes and plugins to complex websites and applications, with a focus on scalability and performance.

Key strengths:

• Expertise in headless WordPress and PWA solutions
• Focus on scalability and high-quality code
• Active community involvement
• Trusted by major companies worldwide

XWP is recommended for businesses needing innovative WordPress solutions with modern architecture.

8. Brainhub

Brainhub is a web and mobile application development company known for digital acceleration and team augmentation. The company’s technical proficiency covers JavaScript, .NET, Node.js, React.js, and more.

Key strengths:

• Strong technical expertise and swift delivery
• Award-winning team with a focus on innovation
• Expertise in JavaScript-based custom theme solutions

Brainhub is suitable for companies seeking high-performance custom themes with a focus on modern technologies.

9. Netguru

Netguru is a Poland-based software development outsourcing company that designs and builds digital products for startups and enterprises. The team uses agile development and modern technologies to deliver user-centered applications.

Key strengths:

• Works with leading global brands
• Focus on user-centered design and modern tech
• Scalable, secure solutions for global clients

Netguru is a strong choice for businesses seeking user-focused custom themes and modern technology integration.

10. PixelCrayons

PixelCrayons is a leading India-based outsourcing company, recognized for flexibility, cost-effectiveness, and a large, experienced team. The company delivers a wide range of web and mobile development services, including custom WordPress themes.

Key strengths:

• Cost-effective solutions with flexible engagement models
• Large, experienced development team
• Proven track record with international clients

PixelCrayons is ideal for businesses looking for affordable, scalable development options and a partner with global experience.

How to Choose the Right Outsourcing Partner

Selecting the right partner for custom theme development involves several key considerations:

• Technical Expertise: Review the company’s experience with your preferred platform and modern development practices.
• Portfolio: Examine past projects for quality, design, and functionality.
• Communication: Choose a partner with clear communication protocols and regular updates.
• Support: Ensure the agency offers ongoing maintenance, security updates, and technical support.
• Scalability: Look for partners who can adapt to your growing needs and new technologies.
• Pricing: Focus on value, not just upfront cost. High-quality development can save money in the long run.

Best Practices for Successful Outsourcing

• Define Project Requirements: Start with a clear project brief outlining goals, features, and design preferences.
• Establish Communication: Set expectations for updates and feedback, and use project management tools for transparency.
• Request Portfolios and References: Review previous work and speak with past clients to gauge reliability.
• Plan for Ongoing Support: Ensure your partner provides maintenance, updates, and troubleshooting after launch.

The Future of Custom Theme Development

The market for custom theme development is expected to keep growing, driven by the need for unique digital experiences and the adoption of new technologies like AI, headless architectures, and progressive web apps. As businesses continue to focus on user experience, performance, and sustainability, outsourcing will remain a smart strategy for staying competitive.

Conclusion

Custom theme development is essential for businesses aiming to create high-performing, memorable websites. Outsourcing this work provides access to top talent, cost savings, and the flexibility to adapt to changing needs. Companies like 1840 & Company and others on this list have proven their ability to deliver exceptional results across industries and platforms.

By focusing on expertise, communication, and long-term support, businesses can build digital experiences that set them apart and drive growth in 2025 and beyond.