• Post a Project

Custom Software Development, Design & Consulting

Who are THEY?
Since our inception in 2017, we've grown into a remote team of experts, spanning from the UK to Poland. We specialise in delivering tailor-made web and mobile applications, with a keen focus on collaboration and direct client-developer interaction.
Our key strength is a consultancy approach to every client.
We've had the privilege of assisting over 55 businesses - from young startups to well-established companies, helping them navigate the technological landscape and achieve their goals. Our success lies in our ability to match each project's unique requirements with the right expertise

  • Min project size
    $5,000+
  • Hourly rate
    $25 - $49 / hr
  • Employees
    10 - 49
  • Locations
    London, England
  • Year founded
    Founded 2017
  • Languages
  • Timezones

2 Languages that we service

  • English
  • Polish

5 Timezones that we service

GMT
Greenwich Mean Time (GMT)
CET
Central European Time (CET)
UTC
Universal Coordinated Time (UTC)
EET
Eastern European Time (EET)
ART
(Arabic) Egypt Standard Time (ART)

2 Locations

  • London , England
  • Kraków , Poland

Select Focus Area
Application Platforms
Amazon Application Development Framework
85%
Azure Platform
10%
Digital and IT Strategy Consulting Focus
IT Operations Management Consulting
50%
Frameworks and CMS
Spring MVC
20%
Other frameworks and CMS
10%
Programming & Scripting
Java
30%
Typescript
15%
SQL
10%
HTML5
5%
Python
5%
Redux
5%
XML
5%
User Experience Focus
Industries
Business services
10%
Consumer products & services
10%
Education
10%
Financial services
10%
GPS, Navigation & GIS
10%
Gambling
10%
Medical
10%
Other industries
10%
Real estate
10%
eCommerce
10%
Clients
Small Business (<$10M)
85%
Midmarket ($10M - $1B)
15%
Certified in:
Custom Software Development UX/UI Design

Pricing Snapshot

Min. project size $5,000+
Avg. hourly rate $25 - $49 /hr
Rating for cost 4.9 /5

What Clients Have Said

THEY.dev offers cost-effective solutions that fit client budgets while delivering high value. Clients report satisfaction with pricing, project management, and responsiveness. Specific costs are not detailed, but feedback consistently highlights good value for the services provided.

This summary is based on verified Clutch reviews.

Most Common Project Size

< $10,000 based on 21 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

THEY.dev Review Insights

Overall Review Rating

5.0
  • Quality 4.9
  • Schedule 4.9
  • Cost 4.9
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Exceptional Understanding of Client Needs

    THEY.dev is commended for their deep understanding of client needs and challenges. Their approach to problem-solving and dedication to delivering tailored solutions is consistently appreciated.

  • Impressive Technical and Industry Knowledge

    THEY.dev demonstrates strong technical knowledge and industry-specific expertise. Clients value their ability to provide insightful recommendations and solutions, particularly in tech-driven sectors.

  • Flexible Team Composition

    Clients appreciate THEY.dev's ability to adjust team size and composition based on project needs, ensuring efficiency and cost-effectiveness. This flexibility allows for tailored solutions and responsive service.

  • Need for Improved Budget Estimation

    A few reviews mention the need for THEY.dev to improve their budget estimation accuracy. While projects are generally delivered within budget, initial estimates could be more precise to better align expectations.

  • Cost-Effective and Budget-Conscious

    Many clients chose THEY.dev for their competitive pricing and value for money. Projects are delivered within budget, making them a cost-effective choice for businesses looking for quality development services.

  • Consistent Delivery of High-Quality Results

    Clients consistently report high-quality deliverables from THEY.dev. The team's commitment to excellence and attention to detail ensures that projects meet or exceed client expectations.

THEY.dev Reviews

Submit a Review
All Filters

0 selected

Sort by
Services
Project Cost
Industry
Location

Web Dashboard for Sustainability Data Analytics Company

  • Custom Software Development
  • $10,000 to $49,999
  • Aug. 2019 - Mar. 2020
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Everything was grand."

Aug 4, 2020
Founder, Susterra Ltd
James Dent
Verified
  • Energy & natural resources
  • London, England
  • 1-10 Employees
  • Online Review
  • Verified

TH-EY developed a web-based dashboard for a sustainability data analytics company. Working Dash, the team built both the front- and backend of the system.

Showing 31-31 of 31 Reviews

Packages we offer:

UX Services

Improve your app's key metrics with our UX services. If you don't measure KPIs or don't know what to measure, choose Small Tier. 2nd tier is best for apps fighting to get more users. Choose Large Tier if your app has users signing up, but you want to improve retention.

Small

Start measuring, setup analytics and KPIs

$380 /total
  • Web analytics setup
  • Mobile analytics setup
  • KPIs definition
  • KPIs dashboard setup
  • 1 week delivery

Large

Improve user retention with advanced UX Audit

$2,689 /total
  • Web analytics setup
  • Mobile analytics setup
  • KPIs definition
  • KPIs dashboard setup
  • Landing page UX audit
  • 3 week delivery
Features

Small

$380

/total

Medium

$888

/total

Large

$2,689

/total

Web analytics setup

Mobile analytics setup

KPIs definition

KPIs dashboard setup

Landing page UX audit

Signup process UX audit

App Store/Google Play analysis (when applicable))

Introductory workshop

UX audit of key user flows

Report with prioritised recommendations to improve KPIs

Small

$380

/total

Web analytics setup

Mobile analytics setup

KPIs definition

KPIs dashboard setup

Landing page UX audit

Signup process UX audit

App Store/Google Play analysis (when applicable))

Introductory workshop

UX audit of key user flows

Report with prioritised recommendations to improve KPIs

Medium

$888

/total

Web analytics setup

Mobile analytics setup

KPIs definition

KPIs dashboard setup

Landing page UX audit

Signup process UX audit

App Store/Google Play analysis (when applicable))

Introductory workshop

UX audit of key user flows

Report with prioritised recommendations to improve KPIs

Large

$2,689

/total

Web analytics setup

Mobile analytics setup

KPIs definition

KPIs dashboard setup

Landing page UX audit

Signup process UX audit

App Store/Google Play analysis (when applicable))

Introductory workshop

UX audit of key user flows

Report with prioritised recommendations to improve KPIs

Our Story

Two developers left corporate in 2017 because they believed software gets better when clients talk directly to the people building it. No layers, no translators. That's still how we work - a remote team of 25, where developers lead projects and own client relationships. Eight years later, the longest client relationship we have is still running.

What Sets Us Apart

No middlemen

There are no project managers sitting between you and the team. The developer on your project handles communication, owns the timeline, and is your main point of contact throughout.

A team that sticks around

26 of our projects have run for 2 or more years. Clients don't tend to leave because the people they're working with feel like an extension of their own team, not a rotating roster of contractors.

We advise, we don't just build

Every developer is expected to understand your business goals, not just the technical brief. That means you get someone who'll question the approach, flag a better path, and think about what actually moves your business - not just close the ticket.

Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

Learn More
Verified Client Reviews
28
Overall Review Rating
5
Source
Clutch
Last Updated
January 22, 2026

Business Entity

Business Entity Name TH-EY S&D Ltd
Source Companies House
Jurisdiction of Formation United Kingdom
Date of Formation October 26, 2017
Status Active
Last Updated April 4, 2024
ID 11033177

Credit Report Results

International Credit Risk Assessment Very Low Risk
Source Creditsafe
Last Updated April 4, 2024
Learn More About The Clutch Verification Process

Locations (2)

3 Wingfield Road LondonEngland E17 9NN

2 - 5

Contact THEY.dev

If you’re not seeing exactly what you need here, send this company a custom message. You can talk about your project needs, price, and timeline to get started on your project.

Connect with THEY.dev on Social

Get connected to see updates from THEY.dev like new case studies, latest reviews, their latest masterpieces in their portfolio, delivered straight to you.

Gadre Infotech Pvt. Ltd.

(1)
Gadre Infotech Pvt. Ltd. Logotype

Shalaka Teli

Meaningful Sales

(1)
Meaningful Sales Logotype

Piotr Zaniewicz