Sigma Software is a part of the leading Scandinavian technology consulting group and one of the world’s TOP100 outsourcing companies, trusted by Fortune 500 Companies and Technology startups.
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We are ISO 9001:2015/27001 certified and a titled Microsoft, AWS, and GCP partner.
Uniting over 2000 IT experts worldwide, we deliver 40+ value-added services, including:
> Turn-key Software Product Development
> Custom Software Solutions and Applications Development
> IT Consulting & Digital Transformation
> Big Data Solutions and Data Engineering Services
> R&D in Extended Reality, Artificial Intelligence, and IoT
> Support & Maintenance
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Our clients choose us for:
> Solutions aligned to the business goals
> Stable delivery with no compromise on quality
> Technology versatility
> Flexibility and full process transparency
Sigma Software is a part of the leading Scandinavian technology consulting group and one of the world’s TOP100 outsourcing companies, trusted by Fortune 500 Companies and Technology startups.
_____
We are ISO 9001:2015/27001 certified and a titled Microsoft, AWS, and GCP partner.
Uniting over 2000 IT experts worldwide, we deliver 40+ value-added services, including:
> Turn-key Software Product Development
> Custom Software Solutions and Applications Development
> IT Consulting & Digital Transformation
> Big Data Solutions and Data Engineering Services
> R&D in Extended Reality, Artificial Intelligence, and IoT
> Support & Maintenance
_____
Our clients choose us for:
> Solutions aligned to the business goals
> Stable delivery with no compromise on quality
> Technology versatility
> Flexibility and full process transparency
Performance snapshot
Sigma Software Group presents a consistently positive performance profile across cloud consulting, compliance, software development, and mobile app development. All eight reviews are rated 5.0, with no negative mentions or areas for improvement surfaced across any platform. The anchor Clutch review provides notable density, referencing ISO 27001, SOC 2, and AWS migration outcomes, while several platform reviews lack substantive detail beyond headline sentiment. The overall pattern skews Strong, though limited specificity in most reviews tempers confidence in some categories.
Performance breakdown
Technical expertise
StrongThe anchor Clutch review references AWS migration and alignment with ISO 27001 and SOC 2 standards, providing specific technical evidence. Multiple reviews across platforms cite robust, high-quality software and mobile app delivery, reinforcing broad technical capability.
Project management & delivery
StrongThe Clutch review explicitly confirms on-time milestone and security deliverable completion over a multi-year engagement. One platform review highlights a very quick turnaround, and no delivery failures or delays are mentioned across any source.
Communication & collaboration
StrongThe Clutch review describes the team as remarkably responsive, while a detailed platform review highlights continuous alignment meetings and iterative review cycles. A separate reviewer praises the team as a great strategic and responsive partner.
Reliability
MixedThe long-running Clutch engagement and proactive audit-readiness quote support consistent reliability. However, most supporting reviews lack detail on bug rates or sustained delivery consistency, limiting the evidence base needed for a fully Strong rating.
Client satisfaction & outcomes
StrongThe Clutch review documents ISO 27001- and SOC 2-aligned documentation outcomes and sustained enterprise publisher relationships. A platform reviewer describes the collaboration as exceeding expectations, with quality cited as never compromised across engagements.
Best for
Sigma Software Group is well-suited for technology companies seeking cloud migration, compliance consulting (ISO 27001/SOC 2), and full-cycle software or mobile app development, particularly those prioritizing a collaborative, quality-focused delivery partner.
Clients info
Clients span media technology, last-mile logistics, mobile platforms, and innovation consulting, with company sizes ranging from startups to mid-market firms of up to 200 employees. Most reviewers hold C-suite or senior product titles, suggesting engagement at a strategic decision-making level. Project budget ranges are not disclosed across any reviewed source. Primary industries represented include Information Technology, Media Technology, Logistics & Last-Mile Delivery, Mobile Applications, Marketing & Advertising. Typical client size bands include Small (2–50 Employees), Mid-Market (51–200 Employees). Common project budget ranges include Not enough data.
Review strength
Eight reviews were analyzed across two platforms. The single Clutch review is the highest-density source, dated September 2026, while the seven platform reviews range from April 2020 to September 2023. Five of the eight reviews are from 2022 or earlier, meaning the majority of supporting evidence is more than two years old and should be interpreted with appropriate recency caution. Review date range: Apr 23, 2020 - Sep 1, 2026.
Performance breakdown
Technical expertise
StrongThe anchor Clutch review references AWS migration and alignment with ISO 27001 and SOC 2 standards, providing specific technical evidence. Multiple reviews across platforms cite robust, high-quality software and mobile app delivery, reinforcing broad technical capability.
Project management & delivery
StrongThe Clutch review explicitly confirms on-time milestone and security deliverable completion over a multi-year engagement. One platform review highlights a very quick turnaround, and no delivery failures or delays are mentioned across any source.
Communication & collaboration
StrongThe Clutch review describes the team as remarkably responsive, while a detailed platform review highlights continuous alignment meetings and iterative review cycles. A separate reviewer praises the team as a great strategic and responsive partner.
Reliability
MixedThe long-running Clutch engagement and proactive audit-readiness quote support consistent reliability. However, most supporting reviews lack detail on bug rates or sustained delivery consistency, limiting the evidence base needed for a fully Strong rating.
Client satisfaction & outcomes
StrongThe Clutch review documents ISO 27001- and SOC 2-aligned documentation outcomes and sustained enterprise publisher relationships. A platform reviewer describes the collaboration as exceeding expectations, with quality cited as never compromised across engagements.