Agile Development Pods — Cross-functional teams aligned to your goals
Dedicated Teams — Scalable, seamless extension of your in-house team
Fixed Scope Projects — Clear deliverables, timelines, and predictable costs
Why Capital Numbers
AI-first mindset embedded across all solutions
Deep engineering expertise in modern tech stacks
Rapid team scaling with uncompromising quality
Proven delivery for both startups and large enterprises
Let’s Connect Email: clutch@capitalnumbers.com Same-day response for qualified inquiries
Min project size
$5,000+
Hourly rate
$25 - $49 / hr
Employees
250 - 999
Locations
Kolkata, India
Year founded
Founded 2012
Languages
Timezones
5 Languages that we service
English
Spanish
Bengali
Hindi
Arabic
13 Timezones that we service
ACT
Australia Central Time (ACT)
AET
Australia Eastern Time (AET)
CET
Central European Time (CET)
CST
Central Standard Time (CST)
EST
Eastern Standard Time (EST)
EET
Eastern European Time (EET)
GMT
Greenwich Mean Time (GMT)
IST
India Standard Time (IST)
MET
Middle East Time (MET)
MST
Mountain Standard Time (MST)
NST
New Zealand Standard Time (NST)
PST
Pacific Standard Time (PST)
UTC
Universal Coordinated Time (UTC)
2 Locations
Kolkata , India
Gurugram , India
No have been added yet...
Pricing Snapshot
Min. project size
$5,000+
Avg. hourly rate
$25 - $49
/hr
Rating for cost
4.8
/5
What Clients Have Said
Capital Numbers offers competitive pricing and good value for cost, with many clients praising their responsiveness and professionalism. Specific project costs were generally under $10,000, with some larger projects exceeding $60,000. Overall, clients report satisfaction with deliverables and communication.
Capital Numbers is recognized for their attention to detail in development projects, ensuring that the final product meets client specifications and functions as intended. This meticulous approach has contributed to the successful delivery of projects.
Cost-Effective Solutions
Capital Numbers offers competitive pricing without compromising on quality. Clients have noted the value for money they receive, with the team delivering solutions that align with budget constraints while maintaining high standards.
Flexibility in Adapting to Client Requirements
The team at Capital Numbers is noted for their flexibility in adapting to changing client requirements and project scopes. They are willing to accommodate new requests and provide solutions that align with evolving business needs.
Successful Long-Term Partnerships
Capital Numbers has established successful long-term partnerships with several clients, who continue to rely on their services for ongoing development needs. These enduring relationships are a testament to the team's reliability and quality of work.
Challenges with Time Zone Differences
Some clients have experienced challenges with time zone differences, which occasionally impacted communication. However, Capital Numbers has been proactive in addressing these issues by being flexible with meeting times and ensuring timely responses.
Expertise in Custom Software Development
Multiple reviews highlight Capital Numbers’s proficiency in developing custom web and software applications tailored to specific business needs. Clients from diverse industries like financial services, SaaS, and healthcare appreciated the personalized solutions that addressed unique challenges such as investment management processes, job board functionalities, and e-commerce features.
"Their professionalism and ability to deliver impressed us."
Sep 3, 2020
Business Dev Manager, Quality Resource Solutions, LLC
Joe Cassell
Verified
Other industries
Las Vegas, Nevada
11-50 Employees
Online Review
Verified
Capital Numbers built an attractive WordPress website for a QA professional services company. The client relayed their preferences through sample pictures.
Capital Numbers' work has not been officially launched yet but they managed to deliver the project on time. The company is set to activate their site next month.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
My company provides ancillary QA services to pharmaceutical companies. I am the business development manager.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Capital Numbers, and what were your goals?
We hired CN to design a new website for us. The goal was to design a website that was aesthetically pleasing to our clients.
SOLUTION
How did you select Capital Numbers and what were the deciding factors?
I was contacted by Sudipto, personnel from Capital Numbers. The deciding factor was that he got in touch when we were on the verge of making a decision regarding a web designer.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
I give the designer an idea of what I was seeking along with pictures and he developed the site using WordPress.
How many people from the vendor's team worked with you, and what were their positions?
There was one go-to guy, Sasanka Bannerjee.
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
It is too early to come out with an outcome. We are doing lunch within the next month-October.
Describe their project management style, including communication tools and timelines.
I was in constant communication with the team at CN via Sasanka.
What did you find most impressive or unique about this company?
Their professionalism and ability to deliver impressed us.
Are there any areas for improvement or something they could have done differently?
After meeting the deliverables timeline, they need to go over the project with the client to ensure maximum satisfaction.
RATINGS
4.5
"Great job!"
Quality
5.0
Service & Deliverables
"They did a great job."
Schedule
5.0
On time / deadlines
"Scheduling was fantastic"
Cost
5.0
Value / within estimates
"Cost was reasonable"
Willing to Refer
5.0
NPS
"Will definitely recommend.
Web Development for Leadership Coach
Web Development
Less than $10,000
July - Aug. 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"Great systems and people."
Aug 11, 2020
Founder, Leadership Coach
Bernice Ang
Verified
Education
Chicago, Illinois
1-10 Employees
Online Review
Verified
A professional leadership coach hired Capital Numbers to recreate an existing WordPress website.
The company was impressed by the team's attention to detail and the responsiveness to their concerns. Capital Numbers has been very efficient throughout the project.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
Thrive life Consulting - Founder
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Capital Numbers, and what were your goals?
Recreate existing website in Wordpress
SOLUTION
How did you select this vendor and what were the deciding factors?
Responsiveness and value
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
Recreate website in Wordpress
How many people from the vendor's team worked with you, and what were their positions?
One
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
Excellent attention to detail and responsiveness
Describe their project management style, including communication tools and timeliness.
Very efficient
What did you find most impressive or unique about this company?
Great systems and people
Are there any areas for improvement or something they could have done differently?
No
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Web Development for Expert Knowledge Platform
Web Development
Less than $10,000
Apr. - July 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They are always willing to help, even after the project was supposed to have ended ."
Jul 30, 2020
Head of Product, NewtonX
Charles Douglas-Osborn
Verified
Information technology
New York City, New York
11-50 Employees
Online Review
Verified
Capital Numbers developed a website for an expert knowledge platform. The team built and customized the WordPress site.
While the site is not yet live, the results thus far have met the expectations fo the internal team. Capital Numbers responds quickly to questions and communicates effectively with the client. The team provides a high level of customer support.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I'm the Head of Product at NewtonX, a startup in New York.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Capital Numbers, and what were your goals?
Wordpress custom development
SOLUTION
How did you select this vendor and what were the deciding factors?
Heard great things about them!
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
Built a custom wordpress site using a template we started with and then created our changes ontop of it.
How many people from the vendor's team worked with you, and what were their positions?
3 or 4
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
Not live yet but looks great
Describe their project management style, including communication tools and timeliness.
Used a cool tool called ProofHub, were responsive and organised
What did you find most impressive or unique about this company?
They are always willing to help, even after the project was supposed to have ended.
Are there any areas for improvement or something they could have done differently?
Maybe have someone on US hours would have helped.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Web Development for Remote Recruiter
Web Development
Less than $10,000
June - Aug. 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"Capital Numbers was knowledgeable and efficient."
Jul 29, 2020
Founder & CEO, RemoteReq
Anonymous
Other industries
Austin, Texas
1-10 Employees
Online Review
Capital Numbers built the backend of a website for a remote work recruiter. The team was in charge of the development and acted as a partner throughout the project.
The first prototype of the site is nearing launch and the company is satisfied with work done so far. The team was a knowledgable and efficient partner in the project.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
Founder of RemoteReq. We connect talent to remote work opportunities.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Capital Numbers, and what were your goals?
We hired Capital Numbers to build the backend of our website. They did a great job with the development work, and also as a thought partner throughout our engagement.
SOLUTION
How did you select this vendor and what were the deciding factors?
We were considering cost, experience, and responsiveness. Capital Numbers delivered in all areas.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
We had a kickoff meeting to align on high-level vision and deliverable. From there our internal developer met daily with the developer we hired through CN. Also, weekly I (the Founder) met with our Project Manager to troubleshoot challenges, and align on our work together over the next week.
How many people from the vendor's team worked with you, and what were their positions?
Developer and Project Manager
RESULTS & FEEDBACK
Can you share any measurable outcomes of the project or general feedback about the deliverables?
I am very satisfied with the support CN has provided thus far. We are almost done with our prototype, which we are excited to pilot upon completion. CN was a significant contributor to the development of our platform.
Describe their project management style, including communication tools and timeliness.
Slack and email
What did you find most impressive or unique about this company?
Capital Numbers was knowledgeable and efficient.
Are there any areas for improvement or something they could have done differently?
Weekly project manager meetings should be required from week 1 of working together.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
App Dev for Online Teaching Business
Web Development
Less than $10,000
June - July 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They were very responsive."
Jul 20, 2020
Owner & Teacher, Online Teaching Business
Anonymous
Verified
Education
San Jose, California
1-10 Employees
Online Review
Verified
Capital Numbers designed and developed an app for an online teaching business.
Capital Numbers' app had positive feedback from the students. Their project management skills were very effective. They streamlined communication to one point of contact.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
Owner of an online teaching business
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Capital Numbers?
Building an online app so my students could do fun exercises for my class.
What were your goals for this project?
Build a Javascript app that I could i-Frame into a learning platform to allow students to practice the concepts they had just learned.
SOLUTION
How did you select this vendor?
Recommended by a client they had worked with extensively in the past.
Describe the project and the services they provided in detail.
Designed and developed the app for me.
What was the team composition?
UX designer, developer, and tester.
RESULTS & FEEDBACK
Can you share any information that demonstrates the impact that this project has had on your business?
Students love the app!
How was project management arranged and how effective was it?
Very effective, single point of contact.
What did you find most impressive about this company?
They were very responsive.
Are there any areas for improvement?
Not that I can think of.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Cross-Platform App Dev for Global Fertility Platform
Mobile App Development
Less than $10,000
June - Jan. 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They were very client-focused."
Jul 16, 2020
Founder, Global Fertility Platform
Alex Mutambudzi
Verified
Information technology
United Kingdom
1-10 Employees
Online Review
Verified
Capital Numbers developed a cross-platform mobile application for a global fertility platform. They implemented a forum, enabled featured to collect patient data, and worked on privacy and security as well.
Capital Numbers completed the project on time and within budget. Their workflow was very effective and they had regular calls. The project manager always kept the client updated on the progress of the app.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I am the founder of a global fertility platform where patients can find any fertility-related services, including clinics, consultants, coaches, and holistic fertility (for example acupuncture). Increased transparency in the fertility treatment industry globally, by making it easy to compare pricing & services. Make it easier to search for fertility services globally, and thereby making fertility treatment tourism easier & accessible. Enable comparisons of success rates & prices.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Capital Numbers?
To be a mobile application for Android and iOS.
What were your goals for this project?
Improve UX and UI the current app which was slow and very buggy.
SOLUTION
How did you select this vendor?
Based on a number of factors, mainly cost, efficiency and willingness to be a true partner and not just a one-time vendor.
Describe the project in detail.
The app required a forum, improvement of the user profiles. This also included enabling features that made it easy to collect patient data. Improving on privacy and security of the app too.
What was the team composition?
UI & UX Designers Mobile app developers
RESULTS & FEEDBACK
Can you share any outcomes from the project that demonstrate progress or success?
The project has been completed on time and within budget.
How effective was the workflow between your team and theirs?
Very effective, as the project manager and I had calls twice a week to catch up on progress of the app.
What did you find most impressive about this company?
They were very client-focused.
Are there any areas for improvement?
Nothing specifically to add.
RATINGS
5.0
"Brilliant team and project management"
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Shopify Dev for Event Production Company
Web Development
Confidential
Jan. 2020 - Ongoing
4.0
Quality
4.0
Schedule
3.0
Cost
5.0
Willing to Refer
5.0
"They manage themselves and don't need much input from me."
Jul 9, 2020
Employee, Events Company
Amy Guion
Verified
Arts, entertainment & music
Los Angeles, California
1-10 Employees
Online Review
Verified
Capital Numbers provided Shopify development.
Capital Numbers successfully migrated sales from Shopify to Squarespace. The work was very consistent.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
We are a live events production company.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Capital Numbers?
Shopify custom web dev
What were your goals for this project?
Implement pre-existing designs
SOLUTION
How did you select this vendor?
Found online, interviews
Describe the project and the services they provided in detail.
Shopify custom website development
What was the team composition?
Project manager, developer
RESULTS & FEEDBACK
Can you share any information that demonstrates the impact that this project has had on your business?
Moved all sales to Shopify from Squarespace
How was project management arranged and how effective was it?
Jag is great! He is very consistent and a good communicator.
What did you find most impressive about this company?
They manage themselves and don't need much input from me.
Are there any areas for improvement?
I always think that QA can be better before sending updates to the client. Especially with designs, you can look to see if the design exactly matches the dev. If not, then more work should be done before sending.
RATINGS
4.0
Quality
4.0
Service & Deliverables
Schedule
3.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Web & CMS Development for Electronic Manufacturing Company
Web Development
Less than $10,000
May - July 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They are a fully committed and talented team!"
Jul 8, 2020
Project Manager, Hall Research
Anonymous
Verified
Other industries
Los Angeles, California
11-50 Employees
Online Review
Verified
Capital Numbers developed a website for an electronic manufacturing company. Additionally, the team built a custom CMS for the client.
The results met the needs and requirements of the internal team. Capital Numbers leverages their creativity and experience to produce quality results. The team is flexible and receptive to feedback.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
Project Manager at Hall Research
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Capital Numbers?
Website and CMS development
What were your goals for this project?
To complete the project on time
SOLUTION
How did you select this vendor?
Via Online
Describe the project in detail.
Hall research website development with CMS for product management and online shopping
What was the team composition?
Team Includes: Project Manager, Backend developer, Frontend developer
RESULTS & FEEDBACK
Can you share any outcomes from the project that demonstrate progress or success?
Creative and Flexibility
How effective was the workflow between your team and theirs?
Very smooth. CN is very responsive and always open for discussions.
What did you find most impressive about this company?
They are a fully committed and talented team!
Are there any areas for improvement?
Not that I am aware off
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Development for Virtual Assistant App
Mobile App Development
Less than $10,000
Mar. - June 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They are very effective and easy to work with."
Jun 26, 2020
Project Manager, SEVA
Anonymous
Verified
Information technology
Tucson, Arizona
11-50 Employees
Online Review
Verified
Capital Numbers provided app development services. They moved the app to a cloud-based infrastructure.
Capital Numbers successfully ported the app. Their team was very effective and had a great pool of resources.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
I am the project manager for IT and AI projects, we are handling multiple projects in different sectors, health, education..
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Capital Numbers?
We hired them for a Virtual Assistant iOS App for machine learning project.
What were your goals for this project?
Our goal was to develop a bug-free iOS version of the AI solution.
SOLUTION
How did you select this vendor?
Our team and team sponsor were introduced to Capital Numbers.
Describe the project in detail.
We partnered with Capital Numbers to transform the existing app to cloud-based Google DialogFlow infrastructure.
What was the team composition?
Capital Numbers were a team of 4 to 5, including 2 developers, one analyst and one project manager.
RESULTS & FEEDBACK
Can you share any outcomes from the project that demonstrate progress or success?
Within 2 months were able to port our iOS version to Google based iOS app solution. Capital Numbers were played a key in the development and improvement of this transition.
How effective was the workflow between your team and theirs?
We used weekly meeting with all team from both sides attending the detail of the discussions.
What did you find most impressive about this company?
The pool of resources are amazing. They can find you any skillset if needed.
Are there any areas for improvement?
They are very effective and easy to work with.
RATINGS
5.0
"They have done a great job with us"
Quality
5.0
Service & Deliverables
"We highly recommend them"
Schedule
5.0
On time / deadlines
"on time"
Cost
5.0
Value / within estimates
"very cost effective"
Willing to Refer
5.0
NPS
"good partner
Web Design for Iron Door Manufacturer
Web Design
Less than $10,000
June 2020 - Ongoing
5.0
Quality
4.5
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They delivered a great service for a good price."
Jun 19, 2020
COO, Exclusive Iron Doors
Diana Paola Gomez Davila
Verified
Manufacturing
San Antonio, Texas
51-200 Employees
Online Review
Verified
Capital Numbers optimized the website of an iron door manufacturer. The team created custom forms and improved the design of the site.
The site's new layout improved the customer experience for users. Capital Numbers communicates effectively with the internal team to facilitate a smooth workflow. They produce quality work in a timely manner.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
We manufacture custom iron doors, windows and more
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Capital Numbers?
We needed a better way of showing our product on our website
What were your goals for this project?
Improve the customer experience on our website
SOLUTION
How did you select this vendor?
By quoting with different companies i liked the service and their web design
Describe the project and the services they provided in detail.
They are helping us have a more optimized website with a better design and some custom forms
What was the team composition?
Not sure but i spoke to two people sales and Sasanka for development
RESULTS & FEEDBACK
Can you share any information that demonstrates the impact that this project has had on your business?
You can visit our site and see the good work
How was project management arranged and how effective was it?
Great communication and service
What did you find most impressive about this company?
They delivered a great service for a good price.
Are there any areas for improvement?
Not that im aware of now
RATINGS
5.0
Quality
4.5
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
Showing 211-220 of
233 Reviews
Our Story
Founded in 2012, Capital Numbers was built to bridge the gap between business ambition and complex technology. We simplify digital transformation with a client-first approach, innovation at the core, and enterprise-grade security. Led by a decade-strong leadership team, we build lasting partnerships and deliver measurable outcomes. Beyond business, we are committed to creating impact through initiatives in food, health, and education.
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