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Top developer productivity and IT systems for AI.

We are the company behind JVM dev tools with 15+ years of experience, consulting top-tier clients through countless optimizations, solving complex industry problems, and AI-ready tooling overhauls. We give you deep knowledge of what actually breaks, what scales, and what delivers results when it matters most.

We are Scala 3 maintainers actively building open-source software. This allows us to guarantee top developer productivity and IT systems for the AI era.

  • Min project size
    $10,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    250 - 999
  • Locations
    London, England
  • Year founded
    Founded 2009

3 Locations

  • London , England
  • Berlin , Germany
  • Kraków , Poland

No Focus Areas have been added yet…

Industries

No Industries have been added yet…

Clients

No Clients have been added yet…

Pricing Snapshot

Min. project size $10,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 4.6 /5

What Clients Have Said

VirtusLab offers competitive pricing with project costs ranging from $2,300 to $3.1 million, depending on client needs. Clients appreciate their value for money, quality of work, and proactive communication, though some have faced issues with team availability and IP rights.

This summary is based on verified Clutch reviews.

Most Common Project Size

$200,000 - $999,999 based on 5 reviews
< $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

Select a service to see pricing information

Highly Rated Similar Providers

VirtusLab Review Insights

Overall Review Rating

4.4
  • Quality 4.5
  • Schedule 4.3
  • Cost 4.6
  • Willing to Refer 4.4

Top Mentions

Review Highlights

  • Challenges with Team Stability

    One review highlights issues with team stability, where engineers were reassigned to other projects, causing disruptions. This suggests a need for better resource allocation and client communication regarding staffing changes.

  • High Quality and Reliable Deliverables

    VirtusLab is recognized for delivering high-quality products that meet client specifications. Their work is often described as reliable, efficient, and exceeding expectations, contributing positively to client projects.

  • Effective Problem Solving and Innovation

    Clients appreciate VirtusLab's problem-solving abilities and innovative approach, particularly in challenging projects. Their methodical and professional approach to diagnosing and resolving issues is frequently praised.

  • Effective Project Management

    Numerous reviews commend VirtusLab's project management skills, highlighting their ability to manage deadlines, communicate effectively, and work collaboratively with clients. Their use of agile methodologies like Scrum is noted as a strength.

  • Strong Client Relationships

    Clients appreciate VirtusLab's relationship-building approach, which fosters trust and collaboration. Their proactive communication and transparency are frequently mentioned as key factors in maintaining successful partnerships.

  • Positive Impact on Client Businesses

    VirtusLab's contributions have positively impacted clients' businesses, with their solutions enabling clients to scale, improve efficiency, and meet project goals. Their work is valued for driving business success.

VirtusLab Reviews

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Scala Dev for Digital Asset Management & DistributionFirm

  • Custom Software Development
  • Confidential
  • Feb. 2017 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“They’ll deliver every time if you give them the opportunity.”

Sep 22, 2020
Delivery Principal, Adstream
Stephen Rooke
Verified
  • Advertising & marketing
  • London, England
  • 501-1,000 Employees
  • Phone Interview
  • Verified

VirtusLab provides Scala development services for a logistics company. Their most recent undertaking was reorganizing their client’s delivery monolith.

Cybersecurity Solutions for Computer & Network Security Co

  • Cybersecurity
  • $200,000 to $999,999
  • Aug. 2019 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
4.5
Willing to Refer
5.0

"They’re extremely strong at functional programming and in using Scala."

Aug 13, 2020
CEO, Cybersecurity Company
Anonymous
Verified
  • Other industries
  • Lausanne, Switzerland
  • 11-50 Employees
  • Phone Interview
  • Verified

In an ongoing collaboration, VirtusLabs helped create a custom security program to be used by clients for a cybersecurity company. They currently focus on the support and development of the backend.

Dev Support for SaaS Data Management Platform

  • Custom Software Development
  • $200,000 to $999,999
  • July 2019 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“We’re very happy with the quality of work that the engineers do.”

Jul 14, 2020
Head of Engineering, SaaS Data Management Platform
Anonymous
Verified
  • Information technology
  • London, England
  • 11-50 Employees
  • Phone Interview
  • Verified

VirtusLab provides staff augmentation services for a SaaS data management platform. Their work includes Scala and TypeScript development on an AWS stack. 

Register of Social Welfare Units

  • Custom Software Development
  • $50,000 to $199,999
  • June 2013 - June 2016
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“VirtusLab is experienced, competent, and delivers high-quality products.”

Jul 25, 2018
Business Unit Manager, IT Company
Anonymous
Verified
  • Government
  • Warsaw, Poland
  • 501-1,000 Employees
  • Online Review
  • Verified

VirtusLab designed, built, and implemented a portal with SSL and systems integrations that adhere to government accessibility and appearance standards. The service-oriented architecture uses SSL protocol.

Scala Backend Dev for Investment Platform

  • Custom Software Development
  • Confidential
  • Mar. - Dec. 2017
5.0
Quality
5.0
Schedule
4.0
Cost
5.0
Willing to Refer
5.0

“VirtusLab works to a very high standard compared to other software development houses.”

Jul 5, 2018
CEO, Financial Platform
Anonymous
Verified
  • Other industries
  • London, England
  • 11-50 Employees
  • Phone Interview
  • Verified

VirtusLab provided specialized Scala backend programming expertise to support an internal team’s platform build. Directed by the in-house software lead, they helped complete the core and basic feature sets.

System Analysis & Debugging for Entrepreneur

  • Application Testing
  • Less than $10,000
  • May - Jan. 2014
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“Fundamentally, they solved the issue. The quality was unquestionable. It was exactly what I needed."

Jun 25, 2018
Owner, Propensive Ltd.
Jon Pretty
Verified
  • Other industries
  • London, England
  • 1-10 Employees
  • Phone Interview
  • Verified

VirtusLab solved a difficult bug by systematically diagnosing and testing for it.

Web App Dev for Currency Trading Company

  • Custom Software Development
  • Confidential
  • Jan. 2013 - Jan. 2014
4.5
Quality
5.0
Schedule
4.0
Cost
4.5
Willing to Refer
5.0

“It was a good atmosphere, and it was a lot of fun to work with VirtusLab.”

Jun 19, 2018
CEO, Currency Trading Company
Anonymous
Verified
  • Financial services
  • Krakow, Poland
  • 1-10 Employees
  • Phone Interview
  • Verified

VirtusLab developed a web application simulator for financial traders to test trading strategies. The app features an adjustable replay mode which allows traders to practice using price action analysis.

Web App for Software Technology Company

  • Web Development
  • $200,000 to $999,999
  • Jan. - Oct. 2017
1.0
Quality
1.0
Schedule
2.0
Cost
3.0
Willing to Refer
0.5

"My expectation wasn’t that I would pay them money, and that they would take away my project team."

May 30, 2018
CEO, MeStudent
Grzegorz Lipinski
Verified
  • Other industries
  • Sydney, Australia
  • 1-10 Employees
  • Phone Interview
  • Verified

Hired to provide a dedicated development team to build a web application, VirtusLab withdrew personnel, then the project itself, leaving the project unfinished.

Showing 1-8 of 8 Reviews

Locations (3)

Level 18, 40 Bank Street HQ3 Canary Wharf LondonEngland E14 5NR

76 - 100

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