Choosing the right software engineering firm is the difference between launching a market-ready platform and incurring compounding technical debt. Browse our directory to shortlist top software development companies evaluated on code quality, cross-platform capabilities, and industry expertise.
List of Custom Software Development Companies
11 Companies-Rankings updated: September 03, 2026
We evaluate every agency on DesignRush for technical expertise, delivery quality, and verified feedback to help businesses find reliable software development services. Some listings may be paid.
BitsWits builds iOS, Android, Flutter, and React Native apps alongside AI and blockchain solutions, with a four-week delivery guarantee. Its work spans healthcare, fintech, and eCommerce, making the software development company suitable for businesses needing fast, affordable mobile app development...
Top Services:
Mobile App Development
Software Development
VR/AR
Blockchain
AI Development
Show more
Location
Houston, Texas
Number of Employees
100 - 249
Average Hourly Rate
$25/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
12 Projects Listed
BitsWits Services
Mobile App Development
Software Development
VR/AR
Blockchain
AI Development
Staff Augmentation
Web Development
Wearables
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
FitNow
Wisu
Soul Scribe
Grease Monkey
Beats
Data sourced from the agency's DesignRush profile
BitsWits Reviews & Testimonials
Sydney Malone
Implementation Engineer at Translucent Services
5.0★
Mobile App Development Review from Sydney Malone
With the development of our Mobile App, BitsWits performed a fantastic job. Their team was quick to respond and produced a great application that runs smoothly on all platforms. We are quite happy with the result.
Benson Sung
Founder at D2C Design
5.0★
Mobile App Development Review from Benson Sung
They created a Mobile app for Medical services, and patient management has changed greatly as a result. The app works well with our current systems, is safe, and is simple to use. Their team produced a top-notch product on schedule while paying close attention to our unique requirements. We are really pleased with their work and heartily recommend BitsWits to anyone in need of app development services.
Steve Garry
Senior 3D Animator at Treehouse Digital
5.0★
Mobile App Development Review from Steve Garry
The outcomes of our collaboration with BitsWits to develop an Online Food delivery app were outstanding. Real-time tracking is integrated into the app, which makes it easy to use and has significantly enhanced our customer support. Their development staff was quick to respond and took care of all of our requests. We couldn't be more pleased with the result!
Reviews verified by DesignRush and sourced from the agency's profile
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Find the perfect solution
Lionwood.software is a software development company founded in 2017 that builds digital products through long-term, collaborative partnerships with organizations across Europe and North America. The company combines strong engineering expertise with a human-centered approach focused on transparency,...
Top Services:
Software Development
Mobile App Development
Web Development
Blockchain
Staff Augmentation
Show more
Location
Lviv, Ukraine
Number of Employees
50 - 99
Average Hourly Rate
$35/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
19 Projects Listed
Lionwood.software Services
Software Development
Mobile App Development
Web Development
Blockchain
Staff Augmentation
IT Services
Web Design
Product Design
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Blue Fetch
Into University Partnerships
DS Apteka
Dizmo Inc
Lingon Certificates AB
Data sourced from the agency's DesignRush profile
Lionwood.software Reviews & Testimonials
Daria Hlavcheva
Head of Business Development at KeenEthics
5.0★
Chatbot Solution Review from Daria Hlavcheva
KeenEthics onboarded Lionwood Software to develop an AI-powered chatbot that could analyze photos of vehicle damage and provide an estimated repair cost for insurance company. The project focused on applying AI to a traditionally manual part of the insurance claims process. The solution needed to interpret car damage from uploaded images, identify relevant damage, and translate the analysis into a cost estimate that could support faster and more consistent claims assessment. Lionwood Software took ownership of the AI development and worked closely with the KeenEthics team to align the solution with the product requirements and insurance use case. Their team demonstrated a strong understanding of both the technical challenges of image-based damage assessment and the business logic behind insurance claims. They were proactive in discussing requirements, clarifying edge cases, and addressing dependencies throughout the development process. The resulting solution helped automate an important part of the vehicle damage assessment workflow, reducing the need for purely manual evaluation and creating a foundation for faster claims processing. Lionwood Software proved to be a reliable technology partner with the expertise to work on AI-driven products where technical implementation needs to be closely aligned with real-world business requirements.
Anonymous
General Manager at S+H TECHNOLOGY SA
4.0★
.Net Review from Anonymous
We outsourced application development work to this team. They proved to be reliable, precise, and competent, consistently delivering on time.
Anonymous
Owner at Fenix-plus
5.0★
Software Development Review from Anonymous
Fenix-plus appreciates Lionwood.software for delivering a comprehensive CRM system that effectively manages key operations, including inventory and staff management. The system has brought notable time and cost savings while providing valuable insights into employee and process performance. Lionwood.software’s dedication to regular updates and high-quality delivery within budget has been highly appreciated.
Reviews verified by DesignRush and sourced from the agency's profile
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We build custom Software Solutions, Mobile Apps, Content Management Systems, Document Management Systems, Customer Relationship Management Systems (CRM), Enterprise Resource Planning (ERP), E-Commerce Software Development, Web Product Development, IT Consulting Services, Web Designing & Development...
Top Services:
Software Development
Mobile App Development
IT Services
Web Development
eCommerce Development
Show more
Location
Salt Lake City, Utah
Number of Employees
50 - 99
Average Hourly Rate
$45/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
5 Projects Listed
Hexagon IT Solutions Services
Software Development
Mobile App Development
IT Services
Web Development
eCommerce Development
ERP Consulting
Digital Services
CRM Consulting
Web Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Utah Dental Association
Morph2o
Got Incite
Cullsy
Compliant Experts
ZAMP HR
Edifice
Denver Air Connection ( Digital Marketing)
Data sourced from the agency's DesignRush profile
Hexagon IT Solutions Reviews & Testimonials
Bart Cassidy
Attorney at Manko, Gold, Katcher & Fox, LLP at MANKO | GOLD | KATCHER | FOX LLP
5.0★
Web Development Review from Bart Cassidy
We are is satisfied with the engagement; Hexagon IT Solutions has delivered the web on time and within budget. The team excels in their communication and understanding of the requirements; they solve any issue that arises. Overall, they stand out for their quality work; customers can expect great service.
Dominique Dujardin
VP IT Shared Services Europe chez XPO Logistics Europe at XPO Logistics Europe
5.0★
Software Development Review from Dominique Dujardin
The product was developed successfully and has been undergoing pilot usage. Hexagon IT Solutions managed the engagement effectively, delegating tasks and assignments between us and the team. They met timelines and communicated efficiently through Slack. Their resources also resolved bugs quickly.
Hexagon makes it easy for people trying to develop software. Ultimately, Hexagon was and has been on the same page with us from the beginning. They knew exactly what we were looking for, and what we didn't want. Other software development firms jumped at us with marketing proposals, designers, and irrelevant business consulting. Hexagon IT Solutions took the time to understand who we are and offer us their services accordingly.
Edona Haliti
FOUNDER at Electric Mobility LLC
5.0★
Software Development Review from Edona Haliti
Thanks to Hexagon IT Solutions work, we have witnessed an enhanced performance in our software and received positive feedback from end customers. They have communicated and responded promptly, ensuring an effective workflow. Their efficiency and timely delivery have been hallmarks of their work.Communication and Response time, and the execution. They have provided us with quality of work within the stipulated time. Their affordable rates are a cherry on the cake. It's difficult to find these kinds of perfect combinations.
Reviews verified by DesignRush and sourced from the agency's profile
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Digis is a Software Development company with a team of 200+ professionals dedicated to Custom Development (Web & Mobile) and design.
We have a wealth of experience across several industries, particularly in Education, Healthcare, Fintech, E-Commerce, Media & Entertainment, GIS and Automotive...
Top Services:
Staff Augmentation
Web Design
Web Development
Mobile App Development
IT Services
Show more
Location
New York City, New York
Number of Employees
100 - 249
Average Hourly Rate
$39/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
22 Projects Listed
Digis Services
Staff Augmentation
Web Design
Web Development
Mobile App Development
IT Services
Software Development
Managed Services
Cybersecurity
Product Design
UI/UX Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
BlaBlaCar
PWC
EDP
HubSpot
SKF.
Huma
Otoqi
ZEWAY
Data sourced from the agency's DesignRush profile
Digis Reviews & Testimonials
Wladimir Wolinski
Project Manager at Seven Tips UG & Co. KG
5.0★
UI/UX Design Review from Wladimir Wolinski
Communication was smooth either through our teams communication channel or with the project manager via email. We were in daily contact with the UX/UI designer in form of dailies or when we had to clarify some questions. With the project manager, we had a short conversation every 2 weeks to clarify all possible questions.
We personally love to work in a very process-oriented way. Because when we understand how to do something, we usually know how the end result can look like. With Digis, we also had the feeling that they knew what they were doing and how to do it. Every next step was planned from the beginning. If something didn't work in line with our processes, we could readjust it.
We were basically satisfied with everything.
Michael Wilson
Co-Founder at Part Swap
5.0★
Website Redesign Review from Michael Wilson
Digis is redesigning our website to a magento based platform to migrate from a Wordpress based platform. Key deliverables include a full discovery document to determine and outline the scope of the work and the magento platform with custom development to fit our needs.
Everything has been delivered on time. Danila our project manager has great communication and always responds in a timely manor. We always receive clear explanations and detailed time logs for the work that is done.
Gina Levy
CEO at KindraConnect
5.0★
Mobile App Development Review from Gina Levy
Both the developer and tester have exceeded expectations. Their performance is excellent. Together they eliminated bugs, introduced new features, and ensured that the app is working without problems. Previously, we had many complaints in the app store. Since working with this developer and tester, these complaints about the app functioning and bugs have disappeared.
The time zone different is sometimes challenging, since we are in California and they are in Europe.
Reviews verified by DesignRush and sourced from the agency's profile
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Full-cycle software development powerhouse
Since 2013, we've delivered 300+ digital products across 17 countries, empowering brands like Porsche, Panasonic, Transparency International, Heinemann, CBRE, and dozens of ambitious startups and scaleups...
Top Services:
Mobile App Development
Software Development
Staff Augmentation
AI Development
Web Development
Show more
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$45/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
24 Projects Listed
Empat Services
Mobile App Development
Software Development
Staff Augmentation
AI Development
Web Development
IoT
Managed Services
VR/AR
CRM Consulting
DevOps Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Porsche
Heinemann Duty-Free
Panasonic
Obimy
CBRE
Restream
FuelFinance
Transparency International
Data sourced from the agency's DesignRush profile
Empat Reviews & Testimonials
Angie Tromley-Morales, PMP
CEO at House Caddy
5.0★
Mobile App Development Review from Angie Tromley-Morales, PMP
We hired Empat to design and build the MVP of House Caddy, a household management app that keeps receipts, warranties, manuals, and repair history in one place, with reminders for expiring warranties and maintenance. The product also helps homeowners prepare a full digital home history for future property transfers.
Empat delivered end-to-end work: discovery, UX/UI design, Flutter mobile development, and a Python backend. They implemented a clear flow where users first create home appliances/systems and then attach documents and repairs to each item.
A major highlight was Empats AI expertise. AI features simplify the entire user journey by auto-filling appliance details from photos/docs/links, assisting with utility provider setup, and importing contacts to speed up adding contractors. This reduced manual input and made onboarding fast and intuitive.
Communication was excellent, with proactive brainstorming, clear sprint updates, and on-time delivery. The MVP is market-ready, early feedback is very positive, and Empat proved to be a reliable, product-driven partner with strong mobile, backend, and AI capabilities.
Vitalii Drach
CEO at RD2
5.0★
Mobile App Development Review from Vitalii Drach
We collaborated with this team to develop custom software for tracking our client base and analyzing performance metrics. The solution allows us to monitor client success in real time, visualize key trends, and make data-driven marketing decisions.
The Empat team was professional, communicative, and highly attentive to our needs. They quickly understood our workflow and created a system thats both intuitive and scalable. Thanks to their work, weve streamlined our internal processes and gained much better visibility into our clients results.
Were very satisfied with the outcome and would definitely recommend Empat to anyone looking for a reliable software development partner.
Namik Abdulzade
cto at Paymonix
5.0★
Software Development Review from Namik Abdulzade
Collaborating with this team has been exceptional from beginning to end. They quickly grasped our goals and delivered a scalable, high-quality payment platform with seamless integrations and an intuitive interface. Their technical skill, attention to detail, and proactive communication kept everything running smoothly and transparently.
We were particularly impressed by their ability to manage complex requirements, build strong analytics, and design a checkout experience that fits our brand perfectly. The project was delivered on schedule, surpassed expectations, and has already made a meaningful impact on our operations.
We confidently recommend this team to anyone seeking a reliable, talented, and forward-thinking development partner.
Reviews verified by DesignRush and sourced from the agency's profile
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GET OUR EXPERT CONSULTING AND SOFTWARE ENGINEERING SERVICES...
Top Services:
Software Development
Mobile App Development
Web Development
Cloud Consulting
AI Development
Show more
Location
New York City, New York
Number of Employees
250 - 499
Average Hourly Rate
$40/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
25 Projects Listed
Computools Services
Software Development
Mobile App Development
Web Development
Cloud Consulting
AI Development
Staff Augmentation
Big Data Analytics
Product Design
Cybersecurity
Blockchain
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Visa
IBM
Bombardier
Dior
British Council
Caribbean Bank
MeterSnap
Dental Health
BeEducated
Green Energy
Data sourced from the agency's DesignRush profile
Computools Reviews & Testimonials
Marie Jenkins
CO-Founder & Sourcing Manager at Valo Recruitment
5.0★
Mobile App Development Review from Marie Jenkins
Working with Computools has been a truly rewarding experience. Their team demonstrated professionalism, deep technical expertise, and strong communication throughout our project. They took the time to understand our needs and delivered a custom solution that exceeded expectations.
What impressed us most was their ability to combine innovative thinking with structured execution. Computools didnt just provide software developmentthey offered valuable consulting that helped us improve efficiency and customer experience. The final product was delivered on time, met all compliance requirements, and added measurable value to our business.
We highly recommend Computools to any company looking for a reliable, forward-thinking software partner.
Nicole Siaw
European Hydrogen Market Analyst at Aurora Energy Research
5.0★
Web Development Review from Nicole Siaw
Computools developed a customized CRM system that significantly improved our financial agencys operations. Their team was highly professional, responsive, and detail-oriented throughout the process. The solution streamlined client management, boosted efficiency, and provided valuable insights for decision-making. We were impressed with their technical expertise and commitment to delivering on time.
Frank Tufail Smith
FS Transaction Services, Manager at PwC at PwC
5.0★
Web Development Review from Frank Tufail Smith
We partnered with Computools to develop a new CRM system for our financial agency, and the results have been outstanding. Their team quickly understood our needs and delivered a user-friendly solution that has transformed our client management process.
The CRM provides a comprehensive view of our clients, enhances our communication, and streamlines our operations. We've seen a significant improvement in response times and overall efficiency. I highly recommend Computools for any software development needs!
Reviews verified by DesignRush and sourced from the agency's profile
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Softermii (https://www.softermii.com/) is an outsourcing/outstaffing company with more than 8 years of experience in web and mobile application development with a team of more than 120 specialists from 6 countries...
Top Services:
Mobile App Development
Web Development
Software Development
UI/UX Design
Blockchain
Show more
Location
Los Angeles, California
Number of Employees
100 - 249
Average Hourly Rate
$45/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
22 Projects Listed
Softermii Services
Mobile App Development
Web Development
Software Development
UI/UX Design
Blockchain
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Dollar Shave Club
Hollar
JibJab
Vidme
HIPAA Video
Onradpad
DogVacay
Cococure
DronBase
Rently
Data sourced from the agency's DesignRush profile
Softermii Reviews & Testimonials
Kwesi Peyna
Owner & CEO at Luciid
5.0★
Web Development Review from Kwesi Peyna
Luciid expresses satisfaction with Softermii's comprehensive capabilities and acknowledges that it excels in all departments necessary for successful project completion. Softermii demonstrates a well-planned process to adhere to deadlines and budgets, delivering a robust project management experience. Luciid also commends Softermii's adeptness in incorporating all necessary elements into the project (Verified via email).
Undisclosed
CTO at Mediconnect
5.0★
Mobile App Development Review from Undisclosed
Softermii impressed us with its willingness and flexibility to work with our internal processes and employees. Through its knowledge and technical expertise, the Softermii team delivered a final product according to specifications. Softermii followed an agile methodology and showcased tremendous flexibility and dedication in ensuring a seamless customer experience. Its team also listened to the instructions well.
Undisclosed
CFO at SmartStart
5.0★
Web Development Review from Undisclosed
Softermii was truly dedicated and committed to the project. We recorded 1,296,000 in-app transactions and connected 3,000 properties to the platform two months after launching the app. Also, we gained around 24,000 subscribers. Softermii was committed to the project with its seamless workflow, support, and professional resources.
Reviews verified by DesignRush and sourced from the agency's profile
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Alt Digital Technologies is a B2B service provider servicing end to end development, DevOps, Testing and e-commerce solutions for your business. We work efficiently in ATG, Java, React, Salesforce, WordPress and majorly all technologies...
Top Services:
Web Development
eCommerce Development
Mobile App Development
Software Development
Software Testing
Show more
Location
Florida City, Florida
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
8 Projects Listed
Alt Digital Services
Web Development
eCommerce Development
Mobile App Development
Software Development
Software Testing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Boeing Co
Etisalat
Neiman Marcus
Data sourced from the agency's DesignRush profile
Alt Digital Reviews & Testimonials
Undisclosed
Product Manager at Aerospace Company
5.0★
Web Development Review from Undisclosed
It is a feeling of both ecstasy and pride to know that all these years of hard work from our team has delivered a website which is delivering a powerful experience designed to meet the needs of our distribution customers. I am proud of our team's effort and also to be a part of this team.
Undisclosed
Product Owner at Manufacturing Company
5.0★
Software Development Review from Undisclosed
You guys are one of the most wonderful people to work with. And most supportive, hardest working. We couldn’t have done what we’ve done in the past 2+ years without this team. Don’t ever forget it your value. You’re absolutely brilliant. It’s been such an honor to be your PO.
Undisclosed
Senior Manager, IT at Aerospace Company
5.0★
Mobile App Development Review from Undisclosed
I preferred Alt Digital Technologies over big companies because of the quality and the stability of their people.
Reviews verified by DesignRush and sourced from the agency's profile
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Vetted Devs On-Demand. Scale Team Fast, Risk-Free.
Hivex is an outstaffing company that offers a full software development lifecycle, from discovery to quality assurance. Our team of experts focuses on technology-intensive industries and stays up-to-date with the latest IT trends, providing the best solutions for companies worldwide...
Top Services:
Software Development
Staff Augmentation
DevOps Consulting
AI Development
Blockchain
Show more
Location
Miami, Florida
Number of Employees
100 - 249
Average Hourly Rate
$49/hr
Minimal Budget
$25,000 - $50,000
Hivex Services
Software Development
Staff Augmentation
DevOps Consulting
AI Development
Blockchain
Mobile App Development
VR/AR
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Legarithm
Equeum
Logicom
Data sourced from the agency's DesignRush profile
Hivex Reviews & Testimonials
Margaret N.
Marketer at Elit-Web
5.0★
Software Development Review from Margaret N.
It was a pleasure working with Hivex. They quickly grasped the scope of our project and provided highly skilled developers within days. These engineers were efficient and integrated smoothly into our team. They built a robust remote work system that significantly improved our team's collaboration and productivity. The whole process was smooth, and the results were exactly what we needed.
Olena Shabunina
CEO at BrandVox
5.0★
Software Development Review from Olena Shabunina
We needed to quickly expand our dev team to build out a new feature set, and Hivex helped us find and bring on skilled remote developers to make that happen. The devs hit every deadline we set, sometimes even early. If we needed changes or had questions, they were super responsive - usually got back to us within a couple hours.
Isammara Lourenço
HR Generalist at Snov.io
5.0★
Software Development Review from Isammara Lourenço
We had a temporary gap in our technical team due to some transitions, and we needed to keep our development momentum going strong. Hivex provided us with skilled developers who seamlessly integrated into our team. They had the expertise we needed and filled the gap until we made permanent hires. Our collaboration with Hivex made sure our projects kept going without delay, we didn't lose our development momentum, and there wasn't any disruption. It was a huge help during a challenging time.
Reviews verified by DesignRush and sourced from the agency's profile
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CitrusDev is a team of experts with a general focus on the Internet of Things (IoT) project development. Our team's key points of interest are Smart Home, Smart City, Smart Farm, Automotive, Healthcare, and Indoor navigation domains. We cover the Hi-tech, Retail, Fintech, and Education industries as well...
Top Services:
IoT
Web Development
Mobile App Development
Wearables
WordPress Website Design
Show more
Location
Kyiv, Ukraine
Number of Employees
Under 49
Average Hourly Rate
$35/hr
Minimal Budget
$25,000 - $50,000
Portfolios Count
7 Projects Listed
CITRUSDEV Services
IoT
Web Development
Mobile App Development
Wearables
WordPress Website Design
Web Design
Software Development
AI Development
Software Testing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
DHL
GoGo Band Inc
SmartFarm
Data sourced from the agency's DesignRush profile
CITRUSDEV Reviews & Testimonials
Vadym Hryshchenko
Head at NGO Typical Dymer
5.0★
Web Development Review from Vadym Hryshchenko
We worked with Citrus Dev on website developing for our NGO, and the experience was outstanding. The project was delivered on time, within budget, and the quality exceeded our expectations. Communication was smooth and efficient throughout the entire process, making collaboration easy and productive. We highly recommend this team for their professionalism and exceptional work.
Mark Joy
Founder at markhjoy.com
5.0★
Mobile App Development Review from Mark Joy
Dima S. responded to one of my job postings on Upwork for creating an audio-related application. He explained the estimated cost of developing such an app, and advised that it would be much more costly than I had anticipated. I was not familiar at all with the costs associated with developing apps, so his explanation was very helpful.
He saved me money by going above and beyond to research existing apps that provided similar functionality to the requirements I was seeking. He also found instructions for using native Apple settings for audio that would solve my problem. The settings he found even allowed import of an audiogram that I had gotten at the audiologist for my specifc problem.
Though he did not end up developing an app for me, Dima saved me a ton of money by spending his time to research possible existing solutions which I had not found during my own search.
I would highly recommend Dima for his level of care for projects and his customers.
Anna Abdulova
CEO at Abdulova. Running coach.
5.0★
WordPress Website Design Review from Anna Abdulova
Working with CitrusDev was very comfortable and convenient.
CitrusDev developed a website (WordPress) for me with the services I provide to my clients.
Since I have a shortage of time, it was important that the team did not need my constant involvement in the process.
After discussing all the details, we met a few times to decide on further actions and make corrections.
The work format was convenient and clear. And most importantly, it was flexible.
The team responded quickly when changes were needed and gave advice for better results.
I am happy with our joint project and want to thank CitrusDev for their professionalism and ease of work.
Thank you.
And I recommend them.
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Our Model Is Much Different And Way Better Than the Usual Offshoring Nonsense.
Our Yourshore model is intentionally designed to give you the very best remote engineering solution that solves for all the usual pain points that plague traditional offshore vendors...
Top Services:
Software Development
HR Outsourcing
Location
Menlo Park, California
Number of Employees
250 - 499
Average Hourly Rate
$50/hr
Minimal Budget
$25,000 - $50,000
TurnKey labs Services
Software Development
HR Outsourcing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
What are the most requested services of custom software development firms?
The most requested services from custom software development firms are almost entirely AI-based products, delivered primarily through web application development, mobile development, AI agent development, and legacy system refactoring. UX/UI design, cloud infrastructure, DevOps, and QA automation are typically not sold as standalone services; instead, they are embedded within each of these project types.
As reported by Diffco, year-over-year trends show a prevailing shift: AI agent development has grown from a niche request into a significant share of overall volume, while demand for legacy system refactoring continues to rise as clients seek to prepare their existing systems to support AI capabilities.
Service
Share of total demand
Web application development
40%
Mobile app development
30%
AI agent development
20%
Legacy system refactoring
10%
How much does a software development company charge for its services?
The cost of software development services depends on the tech stack, core functions and features, compliance and integration requirements, project complexity, and engagement model.
Developers in North America will charge more than those in Europe or Asia, so you should budget for $120-$200/hr for American developers and $25-$150/hr for a software developer from Asia or Europe.
Custom software development cost estimates based on project complexity:
Project type
Cost
Simple App / MVP (minimal features)
$50,000-$150,000
Medium Complexity (CRM, marketplace sites)
$150,000-$500,000
Large Enterprise Software
$500,000-$2,000,000+
Examples (ERP/Complex Platforms)
$200,000 and up
How do I determine if a global company is the right size for my project?
To determine if a global software development agency is the right size for your project, match project complexity and scale to company capacity.
Choose a large/global agency with 1000+ staff, if your project:
Is complex or enterprise-grade, includes multiple software solutions, integrations, and compliance
Needs 24/7 support, multi-time-zone delivery, or long-term maintenance
Large software development companies reduce delivery risk for complex programs but typically charge higher rates and use more structured processes.
Choose a small or mid-size agency with 10-200 staff if your project:
Is an MVP or mid-scale build
Requires speed, flexibility, and direct access to senior talent
Has a tighter budget and well-defined scope
Who owns the Intellectual Property (IP) and source code at the end of the project?
In most software development projects, the client owns the Intellectual Property (IP) and source code upon completion of the engagement, unless the contract explicitly states otherwise. Standard practice dictates that the ownership of the source code, documentation, design elements, and custom deliverables belongs to the client upon full payment. Contracts typically use "work made for hire" or an IP assignment clause to formalize this.
Third-party or open-source components, however, are not owned by the client. Instead, they are used under their respective licenses. Some agencies retain ownership of pre-existing frameworks or reusable tools and grant the client a license to use them. You should also know that IP ownership is not automatic. To avoid disputes, ensure the contract clearly states full IP and source-code ownership transfers to you upon payment, with no usage limitations.
What tools and frameworks do software developers use?
They use various tools and frameworks, depending on the type of digital product they’re building. But the most common include:
How many hours of integration work do software development projects typically entail?
Software development projects require between 20 and 500 hours of integration work per system, depending on complexity.
Integration type
Typical effort
Simple services (email, SMS, analytics, payments)
20 to 80 hours each
CRM and auth/SSO
40 to 120 hours each
ERP, healthcare (HL7/FHIR), banking/KYC
150 to 500 hours each
As per Diffco, the number of integrations also scales with project size: small builds typically involve 2–4 integrations, mid-sized builds 5–10, and large enterprise platforms 10–25 or more. The software development company also discloses that integrations are inventoried and priced individually rather than folded into a single project total, allowing clients to phase the more costly integrations as needed.