Top App Developers for Ad Agencies in San Francisco

Staff Augmentation for Software Consulting Company

Their developers are able to integrate quickly and efficiently into any project as if they've always been a part of our team. We can spend less time building detailed requirements and getting them on board with the project, which makes the process more effective. They're very responsive and understand exactly what we need.

Staff Augmentation for Mortgage Loan Product

Day to day management of the project was handled by domestic development managers and business analysts. This was chosen to ensure timely feedback on work in-process, and to make sure the teams from BairesDev understand the critical nature of the work they provide to the overall success of Optimal Blue. A BairesDev project manager also interacts with the team on a regular basis to ensure the teams are satisfied with the level of engagement.

Enterprise Mobile App & Web Development for Rolls-Royce PAMS

BairesDev has helped us make a lot of progress in a short amount of time. We’ve worked really well together as a cohesive group. Every member of their team has been extremely professional and fully met my expectations. The UX designer did an amazing job of getting us started with the wireframes. He was very easy to work with and receptive to all my feedback.

Staff Augmentation for Software Consulting Company

We don't use them for project management, but they're doing a great job from a communications standpoint. We use Slack, Jira, and email to stay in touch. They're very responsive and understand exactly what we need. Their team members are able to work as an integral part of your team.

Dev Services for Management Company

Great all around, with a very supportive and knowledgeable team. They can adapt to our needs with fast and efficient results.

Staff Augmentation for Eye Care Software Company

The BairesDev team participates fully in our process, and contributes as with all members of our team. They provide solid engineers with experience and useful knowledge to handle any of the development or QA challenges we throw at them.

Staff Augmentation for System Integration Company

The BairesDev programming staff has been knowledgeable, skilled, reliable and easy to work with. They responded well to feedback and provided accurate estimates for work effort / time for scheduling sprints. They are familiar with the various collaboration / version control tools and the Agile methodology.

Enterprise Mobile App & Web Development for Rolls-Royce PAMS

Both developers are skilled and have deep knowledge in our primary areas of interest. The toolset they introduced me to has been phenomenal. We use Jira to track all the epics and user stories, then break everything down into sub-tasks. They’ve done a great job of keeping the latest and greatest code in the repositories I set up, and they’re very knowledgeable about accessing VMs.

QA Services for Outdoors Education Company

They're willing to go above and beyond the contracted hours to meet our needs. Besides, they're very knowledgeable and turn things around quickly.

Staff Aug, Web Design & Dev for Software Development Startup

Simform has a better project management team that ensures the development tasks are delivered on time. If there are any anomalies with the development team’s work, Simform’s delivery manager helps us rectify them. Simform’s customer success manager has impressed us, too, since they ensure a smooth collaboration and quickly address any challenges or issues we encounter. Our primary form of communication with Simform is through weekly or daily video calls on Google Meet, and we also use Slack for regular communication. The team is professional and very involved with our project — they think of the product as their own company’s product.

Staff Augmentation for E-Commerce Marketing Platform

Simform provides all the necessary management resources in a timely and professional manner. All levels of the business relationship have been served and we've been in conversation with senior figures regularly within Simform as we guide the program together. Simform is the only company we could find that emphasised the issues historically with outsourcing, and had clear coherent answers to the question of how to meet these challenges.

Frontend Dev for Business Planning & Execution Software Co

The most professional and friendly customer success manager. They found the right people for the work that was required. From full time developers, to fractional architecture work. I’ve worked with a lot of outsourcing IT companies over very many years. Simform just do it better.

Mobile App Development for Medical Technology Company

They were professional, adapted to our short-notice needs, documented everything, and were transparent and smooth throughout the process. Their team delivered everything on time and within budget. We had some trouble with the lack of efficient communication from our internal developers with Simform’s team, but we managed and solved that at the end of the day.

Staff Augmentation for Government-Focused Solutions Company

Simform’s strength is that they have a very large and highly talented team, so they can offer a variety of different skill sets and increase capacity as needed. Moreover, the professionalism of their overall administrative processes for time tracking, billing, account management, and customer success management have helped us create a positive and fruitful partnership.

Software & Architecture Dev & DevOps for Staff Aug Company

Deliverables met in a timely fashion. Above average development resources with specific skillsets required to meet the needs of each initiative. Clear and timely communication. Simform always delivers items in a timely fashion - and went above and beyond to meet our needs.

UI/UX Design & Custom Software Development for HR Firm

Simform has done an exceptional job, exceeding expectations. This project is a huge step out of our comfort zone, and we’ve been very conservative with the budget, keeping almost everything in-house. They’ve performed phenomenally well in terms of project management. Their timelines have been right on as we’ve moved the goal post adding extra work; they estimate and end up being right on time.

Staff Aug, Web Design & Dev for Software Development Startup

I’m impressed with Simform’s developers' skill set, which is high compared to their peers. The team is professional and very involved with our project — they think of the product as their own company’s product. Simform challenges our concepts and constantly provides suggestions to improve our work, highlighting the challenges they foresee.

Mobile App Development for Digital Ad Solutions Company

The developers at Simform were proficient, displaying remarkable skill and initiative. With minimal guidance, they effortlessly tackled development and implementation tasks. Their communication was seamless, contributing to smooth collaboration.

Mobile App & Software Development for Medical Device Company

The quality of the people is fantastic. Everyone is highly experienced and easy to work with and do everything possible to make the projects a success.

Web Dev & Database Management for Data Analytics Company

I'm most impressed with Simform's ability to properly plan things, manage their work, and communicate early about what it will take. They're clearly experienced, understand what's needed, and are truthful and honest about it.

Mobile App Dev & Maintenance for Technology Company

There are several key areas that impress me about Simform. First is their experienced and skilled development staff. We have expanded to partner with Simform on additional projects with a variety of skillsets from mobile to iOT to web development to Raspberry Pi device development.

Mobile App Dev for Android-Based Payment Company

I don't believe anyone could have gotten as much development as we have gotten done in the speed and cost which we have done it. I have taken SIMFORM into my client and in some cases they have cut 750K annual spend in 1/2 including paying for me and SIMFORM. So they are very cost effective from beginning to end.

Product Development for Engagement SaaS Provider

Their prices had been great for the value delivered. They were very flexible when our team had a personal emergency interfere with the project. This is the reason I will certainly come back to Simform for more.

Mobile App Dev for On-Demand Car Washing Service

Beyond their reasonable price structure and technical knowledge, their team is reliable and productive. It’s easy to communicate with them. Furthermore, they approach the project with a high level of integrity.

Mobile App Redesign for Employment Platform

They’re fairly cheap given the quality of work they produce and offer a much better experience than other independent contractors. They’re a large company and function like one. Considering those factors, they’re a safe investment.

Website Development for Sports Software Company

The value for the cost of the work is unmatched. Usually 'you get what you pay for', but in Simform's case, we've found that we've been able to get excellent quality and support at an incredibly low cost. We've done two projects with them and have been very happy both times.

Web & App Dev for Prescription Delivery Platform

Kwanso has been able to deliver everything exactly as I have envisioned it, and, more often than not, they have made our ideas even better. The project manager is my main point of contact, and he’s been extremely responsive. He provides timely progress reports and involves us in a lot of decisions.

Mobile App Development for Employment Screening Company

Kwanso demonstrated commendable progress throughout the project lifecycle. Their commitment to delivering high-quality work is evident, and their communication has been good. We appreciate their proactive approach in seeking feedback, which has created a collaborative working relationship. While there have been instances of confusion regarding certain project requirements, we appreciate Abdul’s proactive approach to engaging in discussions to resolve these issues. The ability to openly discuss concerns and collaborate on finding solutions has been crucial in overcoming challenges and moving the project forward efficiently.

Mobile App Development for HR Solutions Company

They performed well from a project management standpoint thanks to their collaborative and thoughtful approach. They also delivered all their tasks on time and consistently stayed on budget throughout the development process. We used JIRA to manage the project and typically communicated through Slack. We liked how they were able to understand our requirements and resolve our initial issues from the get-go.

Custom Software & Web Dev for Tech Staffing Company

We talk to them once a day. You would never know that the offshore team wasn’t right next door because they’re always available when it’s convenient for me, even when it’s 2 am their time. We always have a call when I have an idea for a project.

Mobile App Development for Fallback Services Company

Kwanso LLC delivered all requested work on time and on budget. The team respected the initial deadlines and had good communication with us, holding effective meetings.

Application Dev for Advertising Privacy Practices Org

They are terrific to work with. Not only do they think through a project holistically at the beginning, but they are adept at helping provide advice as the development progresses to make sure that all the value of the tech is being captured by your enterprise.

Staff Augmentation Services for B2B Marketplace

In addition, they're lovely people to work with and always get in touch with us to ask questions and give feedback. Their flexibility and willingness to get things done are unique, distinguishing them from other providers.

BI Custom Software Dev for Education Company

The Sigma staff are always personally engaged and eager to help us, their clients. The engineers are committed to deliver high quality products on time. Meanwhile, our account managers stay personally aware of progress and our satisfaction, demonstrating readiness to guide and assist the team to stay on track. Generally, the Sigma team goes above and beyond the typical expectations of a consulting agency to provide value.

Staff Augmentation & Development for Telecom Media Company

One of their best capabilities is keeping in touch with their clients very closely. They had a very good client relationship and kept in touch. Sigma Software really worked on maintaining the relationship to make sure everyone was happy. They also searched for more opportunities to grow the teams. Sigma Software really invested a lot in human touch and communication to make sure the customer is satisfied and everything is working properly.

Staff Augmentation Services for Property Management Group

Our partnership with Sigma Software Group is very strong and we hope to bring in more individuals from their team when we can. The team is friendly, collaborative, and enjoyable to work with.

Full Stack Dev Staff Augmentation for IT Services Company

We have daily standups, and the team's participation, communication, and collaboration rate are super high from an engineering standpoint. They're also fully integrated into our environment — they feel like part of our team and not a separate entity.

Development Services for Tech Company

We feel that Sigma is part of our company. This is due to the way that collaboration is made funny and engaging for everyone within the team.

IT & Software Management for Advertising Agency

We have good collaboration between our project managers and theirs.

SaaS Product Dev for Ad Tech Firm

This kind of interpretation can't happen in a vacuum, but rather through the organic collaboration between coders, designers, and technologists acting as business visionaries.

Mobile App Dev for Music Community Platform

They did a great job at providing feedback on the platform and problems with the work we were giving them. They would constantly provide constructive feedback on how we can make a screen better or an animation smoother. This proactive approach helped in refining the application and enhancing user experience.

Web Site Design & Dev for SaaS Engineering Operations

Their flexibility as we continue to make changes and decide where we are going is most impressive. Their ability to grow to what we need and the expertise of everyone we've worked with stood out to us.

App Dev & Management System for Consumer Electronics Startup

The biggest advantage of Sudolabs is their extremely high level of expertise. I never worried that they will not be able to solve the problem, technical solution followed described requirement in 100% of cases.

Full Stack Development Outsourcing for Data Analysis Firm

They were on par and engaged with us as if they were our direct colleagues. The team dynamic worked as if we hired them internally. Communication worked well. It was easy to be flexible around deliverables and scale the capacity of their help up or down as needed. They cooperated well with us and cared about what they were producing.

MVP Development & Maintenance for Drinks Software Company

I'm impressed with their flexibility with how we work together. Budgeting to our cash flow needs.

Custom Software Solution for Location Services Company

On top of that, they’re flexible on scope changes and variable workloads. They also seriously approach product and project management — it’s been evident throughout the process.

Web Site Design & Dev for SaaS Engineering Operations

Their flexibility as we continue to make changes and decide where we are going is most impressive. Their ability to grow to what we need and the expertise of everyone we've worked with stood out to us.

Web App & Blockchain Development for Software Company

What stands out most impressively about Sudolabs is their commitment to going the extra mile and their exceptional flexibility. Whenever our priorities shifted, they adapted swiftly and effectively, ensuring that our project's needs were always met with the utmost efficiency. This willingness to accommodate changes and proactively manage evolving requirements distinguishes them in a highly competitive field.

Website Maintenance for Pharmaceutical & Payer Company

They can work independently and get things done on time.

WordPress Web Development for Web Services Agency

They assigned a single point of contact for project management, which we found best. That person was always available, and we communicated through Skype, email, and Trello. We appreciated their flexibility and how they were always able to deliver what’s needed while coping with tight deadlines.

Branding and UI/UX for Interactive Learning Application

They normally scoped out the entire breadth of requirements, creating a comprehensive scope of work that included every single item featured in the initial estimate. They were great at meeting our needs within our budget, and open about the things that they could do and the things that we probably didn’t need.

Mobile App Dev & UI/UX for Pet Healthcare Startup

From the start, we had total transparency on how they would manage the process. Especially appreciated was how deeply they drilled down in the introductory discovery phase to fully conceptualize our ideal mobile app.

Rebranding & Web Design for Answering Services Company

The thing I like about PLATFORM is the transparency; they tell me what they are going to stack at the beginning of the day and they send me an end of the day update explaining what they’ve completed, what they are planning to do the next day, and if there are any pending actions from my side. PLATFORM made it really simple for us.

Web Dev & Design for SaaS Company

We were pleased by how patient they were throughout the entire process. At times, we were the bottleneck but they always kept a positive mindset and occasionally reorganized their own priorities to suit our ability to deliver.

UX Design for Sports Investment App

PLATFORM offered a highly professional, prompt, and patient team. Honest and creative from start to finish, they translated my vision of the product using spreadsheets and descriptions into a full prototype.

Mobile App Development for Software Company

Experience and expertise with mobile projects and products, as well as UX trends and tips on how people behave when using mobile apps.

UX Design for Sports Investment App

PLATFORM offered a highly professional, prompt, and patient team. Honest and creative from start to finish, they translated my vision of the product using spreadsheets and descriptions into a full prototype.

Mobile App Dev & UI/UX for Pet Healthcare Startup

PLATFORM creates unique designs and formulates useful approaches toward attaining our goals. Their consultation helps us better understand the rationale for the design and UX.

Website Redesign & Optimization for Large Bank

They’re highly professional and up-to-date with current trends. The team is highly skilled at giving clear explanations and producing exceptional deliverables.

Mobile-Friendly Web App Design & Development

Their project management is reliable and efficient. They respond to emails quickly and are always accessible. We use Basecamp to manage the workflow.

Mobile UX Design for E-Learning Platform

I invited them on our team’s Slack account and they’re readily available on it. We also have InVision, which I use to send feedback as we iterate through final designs.

API Development for Marketing Automation Solutions Firm

The engineers worked out of an Agile Sprint and consistently delivered high quality work on time. The quality of their engineers stood out the most.

Mobile App Dev for Game Dev Company

Initially not, the whole first 12 months were a problem with communication and deliverables. However, the last 12 months were good, with well-structured work packages, clear communication, and timely deliveries.

API Development for Marketing Automation Solutions Firm

High quality work being delivered to production was the primary success metric and was achieved consistently. The engineers worked out of an Agile Sprint and consistently delivered high quality work on time. The quality of their engineers stood out the most.

Development Staff Augmentation for Private Equity Company

Daily Standups, Weekly Goals and Quarterly Vision and Review sessions meant there is little room to not deliver consistently - the quality of work was high from the beginning so we did not see any delays due to CodePower joining the team. Metrics were team-mates see CodePower dev as a valuable addition to the team, and where the quantity and quality of code and end product is at or above average team performance.

IT Staff Augmentation for Transaction Management Platform

They were always very responsive and understanding. Overall, they were really great to work with!

Software Dev. Support for Seafood Exporters

The pricing for their work was excellent considering IT companies usually are more expensive; we got a great deal. I would tell customers to go for it. AppTecHub's pricing and team are really good.

Web & Mobile App Dev for Custom Carwash & Design Company

AppTecHub is a very experienced team that manages to keep their word; if they promise me something, they'll deliver that at that time that they promised. The communication part is transparent and straightforward; if they face any problem, they let us know and keep us posted all the time. In terms of tools, we've used ClickUp to manage the project and email and texts to communicate with each other.

Web & Mobile App Dev for Custom Carwash & Design Company

AppTecHub is a very experienced team that manages to keep their word; if they promise me something, they'll deliver that at that time that they promised. The communication part is transparent and straightforward; if they face any problem, they let us know and keep us posted all the time. In terms of tools, we've used ClickUp to manage the project and email and texts to communicate with each other.

Drupal Website for Renewable Energy Equipment Producer

They’re just a really great team.

Digital Strategy for Events Services Provider

Patrick and John get involved and ask good strategic and tactical questions in the beginning to help keep the project smoothly. They’re really good at moving between different verticals. They have always delivered on time and on budget for me, and that is huge in the IT world. I continue working with them because I can depend on them.

Website Design for International Development NGO

They are incredibly proficient. They are also very, very talented. They’re using the best, newest technology. The design level, the quality of the collaborators and the insight of the creatives that they’re collaborating with is at a completely different level than anyone that we’ve worked with before.

Mobile iOS App Dev. for Entertainment Activity Platform

The design and development process was managed using specific web services, with clear and transparent tasks. We could always see the current stage of development. Communication was initially done using Telegram, then later we added their project managers to our Slack channel.

Mobile iOS App Dev. for Entertainment Activity Platform

Their team has a good combination of design and tech savviness. They use the latest services and development languages, and as a result, we’ve built a modern application that won’t become outdated in a year.

Mobile iOS App Dev. for Entertainment Activity Platform

Their members are experts in design. They created a beautiful and simple UX/UI design. Their team has a good combination of design and tech savviness. They use the latest services and development languages, and as a result, we’ve built a modern application that won’t become outdated in a year.

Mobile App Dev. for Parenting & Baby Milestone Platform

The products work well and are functional. The app looks perfect. Design is our strongest quality, according to comments from our seed funds, clients, and companies. Everybody loves our designs.

Web Revamp & SEO for Interior Painting Contractor

Yes the project was delivered on time. We are still working on content internally in our office team. They're consistently great at responding and their turnaround time is less than 24 hours.

Web Revamp & SEO for Interior Painting Contractor

They're flexible with their work timings and also go beyond the project scope if it is required for the good of our project.

Custom Software Dev for Real Estate Company

there was approx 10-15 team members were deployed over our project and there was 1 account manager, and he was really great, he helped in every stage of the project. Now every functionality of the ERP is working really fine, and we are 100% stasified with the done job by Pearl Organisation. The team is really good in their domain and they have prior very well expereince too like how an ERP should work and what roles at what level should be followed.

Custom Software Dev for Real Estate Company

Their cost for developing and designing ERP applications is really good and pocket friendly. Would give for the cost a 5+ star rating.

Corporate Website & CMS Integration for Development Company

Overcode keeps to schedules and the cost is predictable, which is crucial when considering whether new ideas will make the budget slip. With Overcode, I know I can count on what we have agreed on. They deliver on time, and it's great that I can count on that. From a project management perspective, I don’t feel like I am sharing their time with other clients.

Website Development for Design Agency

We were able to launch the project within the projected timeline. We were really impressed with how well their team was able to deliver within a short amount of time. Whenever we found a bug, Overcode devs came back immediately with a fix. Overcode provided us with a Project Manager who helped manage the work processes and communication between our teams.

Frontend & Custom Software Dev for Event Intelligence Co

Overcode hit all of our milestones and fit into our internal deadlines. You can fully rely on Overcode's team - they’re extremely responsible, always work within a set timeline, and propose helpful ideas! We usually communicated via Slack and calls.

Custom Website Dev for Digital Design Agency

Overcode’s team is very serious and responsible — they deliver all the tasks in a timely manner via 2-week sprints by Agile Methodology. Each time they did a demo and provided us with regular updates. They also fixed all the small things that came up and made the browser interactions work exactly like we imagined internally.

Web App Development for Cloud Storage Provider

Very good communication. They worked hard to deliver on time, even with changing goals and constraints. Great attention to detail, flexible working hours, and good communication.

UI/UX Design & Web App Dev for Data-Driven Solutions Dev Co

I would say it’s their openness to put in the extra work when it’s needed - they care about our budget & timelines. They go the extra mile on best architecture and code structure decisions, they want to make the codebase scalable and maintainable in the future. Overcode provided us with developers and designers that fit perfectly our needs.

Web Dev, Design & SEO for Venture Capital Firm

The communication and proactiveness are absolutely incredible. Openness to try things, listen, and push back when necessary. Not really, to be honest. I will definitely continue working with them on my development needs and have recommended them to others.

Branding & Web Dev & Design for Flutter Programming School

The project management involved releasing changes every week, allowing for comments and subsequent adjustments. The primary forms of communication were virtual meetings and email or messaging apps. The most impressive aspect of NovaFlow Studio was their communication with the studio and developers, as they consistently kept their promises.

Web Development for Design Agency

For both of us, this cooperation was in an experimental format. So, in general, we were both satisfied. The speed of execution and the passion were remarkable. The speed of execution was particularly impressive.

Mobile App Development for Event Support Company

Very quick delivery. Quick response, very helpful, very skilled, professionals. Very flexible method. Friendly, accurate and fast delivery. EvolveDash Inc fulfilled their agreements as promised.

SEO for Digital Life Insurance Brokerage

We communicate over chat. They send us a link when delivered. We pay for each link. They had an amazing quality of work, speed, and friendliness.

SEO for Digital Life Insurance Brokerage

They had an amazing quality of work, speed, and friendliness.

Mobile App Development for Event Support Company

Very flexible method. Friendly, accurate and fast delivery. EvolveDash Inc fulfilled their agreements as promised.

UX/UI Design for Alumni Engagement Solutions Company

They produced what we asked for but were also willing to take a strategic approach to drive toward our outcome. Our project had a defined outcome, but they took a comprehensive approach that showed they care about our success. They’re a reliable team.

Mobile App Development Healthcare Platform

They have a great understanding of our business, and that’s made them good partners. We value their flexibility and commitment to building a long-term relationship rather than one that’s purely transactional. Their team has plenty of healthcare experience, which is great for privacy and data protection in particular.

Web Dev & Branding for Consumer Social Engagement Platform

They understand what’s it’s like when you’re a startup and your budget has to be very precise. They never pressured us to do more or offered up suggestions that cost more than we could afford. They weren’t just there to build a website for us—they cared about our business and our success.

WordPress Design, Dev, & Strategy for Prosthetic Company

Their level of engagement in our industry, patients, and our work is impressive. They’re very engaged in the process of our business and understanding the nuances of what we do. That’s been an endearing relationship because they really get what we do.

Salesforce & AWS Integration; Ongoing Drupal Design for Manufacturer

She’s detail-oriented, communicates well, and takes time to understand our needs. She also ensures that her team delivers as expected. We have weekly standup meetings and communicate via phone and email.

UX/UI Design for Customer Engagement Group

They are very professional, and they are very engaged. They keep things on track and make sure that they have what they need and make sure that they show progress every week. It is very convenient for me because they just do what they are supposed to do.

Branding & Web Design for Development & Construction Firm

They’ve been excellent. All but one of their project managers have set a budget and have been very professional to work with. As far as organizational skills, and coordinating all of the groups that have to provide data and content, Fresh Till does a great job.

UX Design & Development for API Banking Platform

Their project manager ensured we stayed on course regarding both deadlines and budget. Because of their focus on project management, the various statement of work orders stayed right on time and on budget. Every single person, whether they were a short-term or long-term resource, performed with the same level of diligence and professionalism.

UX Designs for Electronic Ink Company