$25,000+
$30 - $49 / hr
10 - 49
SMBs
Estonia, Tallinn
2019
Within 2-3 weeks

At SDA, we specialize in developing custom software solutions for startups and established companies that transform the Mental Health & Wellness industry, as well as Healthcare, FinTech and EdTech.


Founded in December 2019, we gathered the best professionals and combined their knowledge and experience to create a powerful team that has already finished 100+ projects of different complexity.


We use the most modern stack of technologies and tools to build innovative SaaS solutions, online marketplaces and iOS/Android/Web applications that help our clients meet their goals and make a real difference.


Our Main Services:



  • Startup MVP Development

  • Enterprise Modernization

  • Dedicated Teams

  • Full-Cycle Software Development

  • Architecture & Design

  • No-Code Development


Our customers are our biggest value which we truly cherish throughout the whole collaboration period.



Feel free to contact us to get a quote for your project!

Techreviewer Score

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5.0

Client review platforms

The company's reputation is reflected through ratings and reviews from different review websites:

5.0
(25 reviews)Clutch
3.7
(1 reviews)Trustpilot
4.6
(43 reviews)Google

AI Overview

Powered bytechreviewer AI
This company performance overview is based on AI analysis of 12 client reviews across 2 different review platforms. Read more about our methodology.
Last updated: September 2026

Performance snapshot

SDA presents a consistently strong performance profile across all reviewed engagements, with perfect or near-perfect sub-metric scores across quality, schedule, cost, and willingness to refer on every reviewed project. The vendor demonstrates particular depth in healthcare-adjacent software, staff augmentation, and custom web and mobile development. No major negative mentions or declining score trends appear across the 12 reviews analyzed. The review base is heavily weighted toward one platform, which somewhat limits the breadth of cross-platform validation.

Performance breakdown

Technical expertise
Strong

SDA has demonstrated expertise in healthcare compliance (HIPAA, GDPR), AWS cloud infrastructure, API integration, and modern stacks including Laravel and Vue.js. Multiple reviews cite the team's ability to resolve complex legacy system issues and implement features rapidly.

Project management & delivery
Strong

SDA consistently delivers on time and within budget, with Jira used for task tracking and daily reports maintaining workflow transparency. Multiple clients confirmed milestone adherence across projects ranging from months-long engagements to ongoing partnerships.

Communication & collaboration
Strong

Clients across multiple engagements highlight proactive communication via Slack, Upwork, and email, with regular meetings and daily progress updates cited as differentiators. The team is described as responsive, transparent, and closely aligned with client goals.

Reliability
Strong

SDA resolved a critical legacy system failure within three days and consistently met deadlines across diverse project types. All sub-metric schedule ratings are 5.0, and no review references unresolved bugs, delays, or quality regressions.

Client satisfaction & outcomes
Strong

Quantified outcomes include a customer engagement increase from 2% to 20% and a 1.3x monthly growth in paying customers. Clients also report improved product user-friendliness, security, and successful HIPAA/GDPR compliance delivery, reflecting consistent tangible business value.

Best for

SDA is best suited for small-to-mid-sized technology companies and agencies seeking reliable staff augmentation, custom software, or healthcare-compliant application development. Clients with ongoing development needs and complex compliance requirements will find SDA a strong strategic fit.

Clients info

SDA primarily serves small-to-mid-sized technology companies, agencies, and healthcare-adjacent software firms, with most clients in the 1-50 employee range. Project budgets most commonly fall between $10,000 and $199,999, with several engagements listed as confidential. Key industries include healthcare tech, advertising and marketing, and arts and entertainment. Primary industries represented include Healthcare & Health Tech, Advertising & Marketing, Arts, Entertainment & Music, Software & Technology. Typical client size bands include 1-10 Employees, 11-50 Employees, 51-200 Employees. Common project budget ranges include Less than $10,000, $10,000 to $49,999, $50,000 to $199,999, Confidential.

Review strength

Analysis is based on 12 reviews drawn from 2 platforms, spanning November 2021 to March 2025. The majority of reviews originate from a single platform, and several reviews predate 2023, though two recent reviews from early 2025 confirm continued vendor activity and sustained performance quality. Review date range: Nov 5, 2021 - Mar 6, 2025.

Performance breakdown

Technical expertise
Strong

SDA has demonstrated expertise in healthcare compliance (HIPAA, GDPR), AWS cloud infrastructure, API integration, and modern stacks including Laravel and Vue.js. Multiple reviews cite the team's ability to resolve complex legacy system issues and implement features rapidly.

Project management & delivery
Strong

SDA consistently delivers on time and within budget, with Jira used for task tracking and daily reports maintaining workflow transparency. Multiple clients confirmed milestone adherence across projects ranging from months-long engagements to ongoing partnerships.

Communication & collaboration
Strong

Clients across multiple engagements highlight proactive communication via Slack, Upwork, and email, with regular meetings and daily progress updates cited as differentiators. The team is described as responsive, transparent, and closely aligned with client goals.

Reliability
Strong

SDA resolved a critical legacy system failure within three days and consistently met deadlines across diverse project types. All sub-metric schedule ratings are 5.0, and no review references unresolved bugs, delays, or quality regressions.

Client satisfaction & outcomes
Strong

Quantified outcomes include a customer engagement increase from 2% to 20% and a 1.3x monthly growth in paying customers. Clients also report improved product user-friendliness, security, and successful HIPAA/GDPR compliance delivery, reflecting consistent tangible business value.

Location and contacts

Estonia, Tallinn
Tallinn

Major clients

Samata Health
Kyle
Rise