$10,000+
$50 - $99 / hr
10 - 49
Enterprise
Croatia, Zagreb
2017
Within 1 week

Being a strong and reliable partner, CoreLine has dedication and expertise to breathe life into your ideas and create compelling digital experiences. CoreLine’s core business is developing mobile apps, static microsites, e-shops, complete information systems, accessible to your potential customers, with a content management interface that will make your website or mobile app easily manageable. CoreLine balances their work between various industries from social media, travel, sport & fitness and retail.

Techreviewer Score

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4.9

Client review platforms

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

4.9
(19 reviews)Clutch
4.6
(22 reviews)Google

Employee review platforms

The company's work culture and employee satisfaction from top workplace review platforms:

2.0
(1 reviews)Glassdoor

AI Overview

Powered bytechreviewer AI
This company performance overview is based on AI analysis of 20 client reviews across 2 different review platforms. Read more about our methodology.
Last updated: September 2026

Performance snapshot

CoreLine is a Croatia-based software and web development firm with a consistent track record across custom software, mobile app, and web development engagements spanning multiple industries and geographies. The vendor demonstrates predominantly Strong ratings across all five evaluation categories, supported by a high volume of verified reviews with specific measurable outcomes. No recurring negative patterns or declining score trends are evident, though a small number of reviews note minor schedule sub-ratings below 5.0. The overall profile reflects a reliable, technically capable partner suited to both startups and mid-sized organizations.

Performance breakdown

Technical expertise
Strong

Multiple reviews cite expertise in AWS, DevOps, React Native, Node.js, Vue.js, and PHP. A CRM project specifically praised CoreLine's AWS and DevOps proficiency, while a healthcare client noted HIPAA compliance delivery and performance improvements, confirming depth across regulated and complex technical environments.

Project management & delivery
Strong

Clients across multiple engagements consistently report on-time delivery, adherence to implementation plans, and milestone accuracy. One mobile app was delivered within a month for a 3,000-user event; only one review noted a schedule sub-rating of 3.5, representing an isolated instance rather than a trend.

Communication & collaboration
Strong

Reviewers across time zones — including the US, UK, Denmark, and Norway — highlight responsive communication via Slack, Zoom, and email. A US-based healthcare startup noted CoreLine remained communicative despite time zone differences, and multiple clients describe the team as an extension of their own organization.

Reliability
Strong

An insurance client earning a monthly retainer based on output quality, a retail client noting few bugs post-launch, and a B2B marketplace client praising consistent problem-solving collectively establish a strong pattern of product stability and responsive follow-through across long-term engagements.

Client satisfaction & outcomes
Strong

Tangible outcomes include a threefold increase in sales for a retailer, 30,000–40,000 monthly ticket sales for a top-five Croatian ticketing platform, a 3,000-user mobile app delivered in under one month, and platform speed improvements for a global market network — confirming consistent, measurable business value delivery.

Best for

CoreLine is best suited for startups and SMEs seeking a dependable development partner for custom software, mobile apps, and web platforms. The firm shows particular strength in AWS-integrated builds, UX/UI-driven products, and regulated environments such as healthcare and fintech.

Clients info

CoreLine serves a broad client base spanning hospitality, healthcare, retail, financial services, media, advertising, and business services. Clients are predominantly small businesses and startups in the 1–50 employee range, with several mid-sized firms. Project budgets most commonly fall between $50,000 and $199,999, with a smaller share of engagements below $10,000 and a few reaching $200,000–$999,999. Primary industries represented include Business Services, Advertising & Marketing, Financial Services, Healthcare, Retail, Arts, Entertainment & Media, Hospitality & Leisure. 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, $200,000 to $999,999.

Review strength

The assessment is based on 20 reviews sourced from two platforms, with 19 verified reviews from one major B2B review platform and one from a general consumer platform. The majority of reviews span 2017 to 2023, with one review dated June 2026. Reviews older than three years account for a significant portion of the dataset, which warrants some caution when assessing current capabilities, though no negative trend is apparent. Review date range: Nov 22, 2017 - Jun 8, 2026.

Performance breakdown

Technical expertise
Strong

Multiple reviews cite expertise in AWS, DevOps, React Native, Node.js, Vue.js, and PHP. A CRM project specifically praised CoreLine's AWS and DevOps proficiency, while a healthcare client noted HIPAA compliance delivery and performance improvements, confirming depth across regulated and complex technical environments.

Project management & delivery
Strong

Clients across multiple engagements consistently report on-time delivery, adherence to implementation plans, and milestone accuracy. One mobile app was delivered within a month for a 3,000-user event; only one review noted a schedule sub-rating of 3.5, representing an isolated instance rather than a trend.

Communication & collaboration
Strong

Reviewers across time zones — including the US, UK, Denmark, and Norway — highlight responsive communication via Slack, Zoom, and email. A US-based healthcare startup noted CoreLine remained communicative despite time zone differences, and multiple clients describe the team as an extension of their own organization.

Reliability
Strong

An insurance client earning a monthly retainer based on output quality, a retail client noting few bugs post-launch, and a B2B marketplace client praising consistent problem-solving collectively establish a strong pattern of product stability and responsive follow-through across long-term engagements.

Client satisfaction & outcomes
Strong

Tangible outcomes include a threefold increase in sales for a retailer, 30,000–40,000 monthly ticket sales for a top-five Croatian ticketing platform, a 3,000-user mobile app delivered in under one month, and platform speed improvements for a global market network — confirming consistent, measurable business value delivery.

Location and contacts

Croatia, Zagreb
Zadarska ulica 80
10000
00385989296126

Major clients

Insync Insurance
Mattorget
YoungPlanet
Machfast
Nabava.net