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We build business
value through technology.

We are Stack

We are trusted digital product engineering partner, enabling organizations to embrace the digital revolution and stay ahead of the competition. With our deep industry knowledge, agile methodologies, and a relentless pursuit of excellence, we collaborate with businesses to engineer digital solutions that drive operational efficiency, enrich customer experiences, and unleash growth potential.

Stack is led by partners with over two decades of experience in the global tech industry. Srini Annamaraju co-founded the firm in April 2020, after more than 25 years of working in the UK in business leadership roles for large global technologies consultancies.

We deliver this services by being in close partnership with world-class companies like AWS, GCP, Microsoft, Digital Ocean, Sophos, Dark trace etc

We are Cyber Essentials Certified

Our Vision and Values

Our Purpose: Create a sustainable, profitable business that creates long-term success for all our stakeholders.

We will Partner with our clients, not just deliver a service.

Team Excellence is our goal, not just succeeding at an individual level.

Innovation, inside and out, will drive our direction.

Our Culture values authenticity and drives high levels of energy and fun.

Our Standards will ensure we aspire to challenge the professional services marketplace.

Our Brand signals integrity, honesty and value for money.

Leadership team






Practice Lead, Cybersecurity services


Head, HR Solutions


Head, Delivery


Head, Cloud Practice


Partners play a pivotal role in Stack’s growth as an MSP and as a challenger tech consultancy as we work to increase our reach with our customers for their Cloud and Cybersecurity challenges. We work hand-in-hand with our partners to empower end customers to embrace risks, build resilience, and harness front-line intelligence to make real-time decisions. Our consulting capabilities coupled with comprehensive solutions from our partners expand our value proposition to our customers enabling us to deliver outcomes,
not just expertise.

We are privileged to be working with the below-growing list of technology partners.

Six Degrees
Digital Ocean

Accreditations and Memberships


UK Public Sector Frameworks

G-Cloud 13

Agreement ID: RM1557.13; Service ID 5221 6999 9964 397
Lot 3: Cloud Support

This is the Crown Commercial Services’ route to market to access Cloud Support services.

We offer our services by helping to surface the true Cloud cost and helping control it, bridging security gaps, optimizing resources & automating Cloud services.

Digital Outcomes 6

Agreement ID: RM1043.8
Service ID 9400 0697 0823 852
Lot 1: Digital Outcomes

This is the Crown Commercial Services’ route to market to access agile development and user-centred design services to accelerate innovation within the public sector.

Stack provide best in class digital outcomes and specialists under this service.

Cybersecurity Services DPS

Agreement ID: RM3764.3
Service ID SQ-MMNR728
Lot 1: Cyber Security Services 3

This is the Crown Commercial Service route to access NCSC assured services, consultancy and advice, penetration testing, incident response and managed security services.

We offer our managed services and professional services to the public sector and government departments requiring this service across the UK.