Bespoke software development agency

Turning early builds into secure, scalable platforms for startups and SMEs.

Trusted by industry-leading founders

From MVP to the fastest-growing start-up in Sweden

“55 took time to get to know our customers’ needs and were able to design a solution that significantly improved their experience with our platform resulting in increased users.”
Sahir Ahmed
Founder & CTO

Products we build

For over a decade, we have partnered with startups and SMEs as a bespoke software agency to design and build products across:

Custom software and SaaS development

With expertise across 80+ front and back-end technologies, we build bespoke software and scalable SaaS platforms that streamline operations and support long term growth.

Ai Launch Streamline Icon: https://streamlinehq.com

AI & Machine Learning

From AI-powered software to custom-built agents and chatbots, we build intelligent systems that enhance your product capabilities.

Application Mobile Streamline Icon: https://streamlinehq.com

Mobile App Development

High-performing iOS and Android applications built for new or existing products.

How we build and scale
your bespoke software

As standard for a bespoke software agency, every project comes with a dedicated project manager, development team and quality assurance specialists. From there, everything is shaped around the needs and growth stage of your software, following a structured development process:

STEP 01

Review your
software

Whether you’ve built your software using vibe-coded tools or you’re just starting from scratch, our founders and engineers assess your product or idea to understand how it has been developed and where it needs strengthening. We then define the technical roadmap and system architecture required to move your product forward.

STEP 02

Refine your
product experience

With the roadmap in place, our product designers and engineers shape and refine your software’s workflows, system structure and interface design. We combine data analysis, competitor research and practical experience to create dev-ready designs aligned with technical requirements.

STEP 03

Build strong
technical foundations

Using Agile development practices, our engineers build your software in focused sprints on strong technical foundations. We implement system architecture, define the technology stack and configure cloud infrastructure to support performance, scalability and security.

Our quality assurance team then conducts rigorous testing to ensure your software meets accessibility and compliance standards.

STEP 04

Launch your
software to market

Before launch, we deploy your software with the monitoring, analytics and performance tracking in place to support real-world usage. The data gathered provides the visibility needed to refine your software and ensure it performs as expected.

STEP 05

Iterate, improve
and scale

Post launch, we support the ongoing development of your software, delivering new features, performance improvements and system enhancements based on user feedback and usage data. Our developers are on hand to respond to feature requests and product updates within 24 hours.

Our approach

As a bespoke software development agency, we build high-performing software for startups and SMEs.

We combine strong technical foundations with product thinking to create software that performs and evolves.

Get to Market Quicker

Data is key to making business and product decisions. The sooner your product is live, the quicker you can gather insights and iterate towards product-market fit.

Maximise ROI

Building your software on strong technical foundations helps you avoid expensive rebuilds later. We focus on efficient development and smart technical decisions that protect your investment and support long term growth.

Future-proofed Tech

Your software is built to evolve. With 200+ developers across a wide range of technologies, we continue supporting your product as it grows and new features are added.

Join hundreds of innovative
founders launching products with 55

Sahir Ahmed
Sahir Ahmed
Qopla, Founder & CTO
"55 took time to get to know our customers’ needs and were able to design a solution that significantly improved their experience with our platform resulting in increased users."
Megha Manchanda
Megha Manchanda
VP of People Operations, LiveLike
"We were delighted by their collaborative environment and technical expertise. They are flexible in work timings, Requirements gathering, and take ownership. We selected FiftyFive Technologies over others because of their Great culture fit, Good value for cost, and Company values."
Govind Gagoria
Govind Gagoria
Director & CEO, Auggit
"FiftyFive Technologies has delivered the project on time, meeting the client's expectations. They have communicated frequently and promptly in person and via virtual meetings, ensuring an effective workflow. Their work culture and company values have been hallmarks of their work."

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Build bespoke software
designed to scale