Services

SaaS Development
Services

We are strategic partners for SaaS startups, offering advisory, product development, engineering, and marketing services that guide you from concept to Series A.

With deep expertise in the SaaS business model, we understand the product funnel inside and out from Acquisition and Activation to Retention, Referrals, and Revenue. Our approach is designed to help you develop a comprehensive solution that addresses each stage of the funnel, with integrated analytics that enable data-driven decisions based on conversion rates.

We iterate until your unit economics, such as Customer Acquisition Cost (CAC) and Lifetime Value (LTV), are optimized. Once you achieve satisfactory unit economics, you're well-positioned to scale, and we’ll be with you every step of the way.

react

react native

next.js

graphQL

node.js

.net

GSP

AWS

Azure

react

react native

next.js

graphQL

node.js

.net

GSP

AWS

Azure

react

react native

next.js

graphQL

node.js

.net

GSP

AWS

Azure

SaaS development services

SaaS Product Strategy

Strategic Definition
We model your business through a series of workshops using tools like Lean Canvas and Value Proposition Canvas. Together, we define your target audience, value proposition, and prioritise features to create a product roadmap. We also establish key performance indicators (KPIs) to measure progress and success.
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Product Validation
We validate your solution by testing your value proposition on a landing page, helping you secure your first customers through a waitlist. This approach allows us to validate solution-market fit and gather direct feedback from the market.

SaaS UX/UI Design

User Journey Definition
We dive deep to gain a core understanding of the value you aim to provide. We then define user journeys that enable this value to be delivered seamlessly.
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UX Wireframes
We create low-fidelity wireframes to define the interaction and functionality of the application, without being distracted by its look and feel. This low-fidelity set of wireframes allows us to iterate quickly to reach the desired solution.
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UI Mockups
Once we're satisfied with the wireframes, we apply the brand style to make the interface visually appealing and easy to use. We also design different states and interstitial pages to ensure it is ready for development.
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Clickable Prototypes
If needed, we create clickable prototypes that allow us to demo the product to potential users or investors.

SaaS MVP Development

Agile Scrum Methodology
We use Agile Scrum methodology to develop in 1-2 week Sprints, within each Sprint, we will prioritise with the business, plan with our developers, and review the results - aiming to release to Production every Sprint once the application is live.

Quality Assurance
Our testers create test cases and scripts based on the defined requirements. Tests are conducted before every release to catch bugs and improve the overall quality of our output.

Data Analytics and Behavioral Science

‍Performance Measurement
We implement data analytics to monitor performance, review data, and develop experiments that test and improve your application.

Behavioural Science Integration
We incorporate behavioural science models focused on habit formation to enhance user engagement.

Viral Loops and Network Effects
We plan to build in viral loops and network effects to boost adoption, increase valuation, and strengthen defensibility.

Why choose us

Long-Term Strategic Partners

We align with your objectives and provide support over different stages of the product's lifecycle. We’re committed to your success, building solutions designed to last and scale.

Rapid Development with Prebuilt Assets

We leverage prebuilt assets for common functionalities like login, onboarding, subscriptions, navigation, and payments. Starting from a boilerplate app gives us a significant head start.

SaaS Expertise for Informed Decisions

Our deep understanding of the SaaS business model allows us to provide valuable advice throughout the process. Our founders have successfully built multiple SaaS products, guiding them from idea to Series A.

Focus on Metrics to Build Value

We prioritise KPIs and unit economics, taking a data-driven and iterative approach to systematically build value and improve key metrics.

The process

Strategy and Design

Our team of experts work with you to build a cohesive strategy aligned to your business goal. We help you define a long term roadmap, with a realistic product that'll help you validate your idea. Then we help you design the full application along with clickable prototypes. This can help you demonstrate your idea, whether to investors to raise for the SaaS product, or to potential partners.

MVP Development

We develop a high quality product using custom code quickly by leveraging our existing boilerplates and infrastructure. We understand the importance for a SaaS product to evolve quickly based on user feedback, and our tech stack has been optimised for exactly that, allowing you to iterate and scale quickly to find product market fit.

Launch and Iterate

After releasing the SaaS product and gaining our first users and product analytics, we need to start iterating based on user feedback. We supply a product team based on your budget and runway, and work with you to run experiments and improve the product.

Tech stack.

react

react native

next.js

graphQL

node.js

.net

GSP

AWS

Azure

react

react native

next.js

graphQL

node.js

.net

GSP

AWS

Azure

react

react native

next.js

graphQL

node.js

.net

GSP

AWS

Azure

Front-end

Back-end

Infrastructure

Product management

Analytics

Design

What our partners say

Review all on Clutch

5.0 Clutch Review

Thanks to their pragmatic approach and long-term strategy, Thought&Function achieved every milestone and delivered a vastly improved product ready to grow. The team was very hardworking and collaborative, embracing the client’s culture and demonstrating a genuine commitment to achieving success.

Niraj Dattani, Founder, NowToVow.

4.5 Clutch Review

Thought & Function’s efforts have been met with positive acclaim. The team is communicative, skilled, and deadline driven. Customers can expect a company that integrates well into the rest of the team.‍

Laurel Gray, Head of Product, Allplants.

5.0 Clutch Review

With the new site, the client has been able to grow their business further, recording over 200 registrations and 100-plus purchases in two months. Thought&Function leverages their knowledge and technical expertise to deliver quality results. They’re also proactive in addressing issues and requests.

James Hurley, Co-Founder, Ted's Health

4.5 Clutch Review

Since Thought&Function took over development, the app’s downloads have increased 1,000x — from 5,000 to 59,000. The team delivers on time and budget, and their communication has improved throughout the project. Moreover, they utilize best practices, and their problem-solving approach stands out.

Florian Branstetter, Founder, Teledoc.

5.0 Clutch Review

Acquired by health heroWhat started as a small app has grown to over 10 million users in the UK. The platform also mitigates needless doctors' appointments by helping users determine if they can treat themselves. With a flexible development plan, Thought&Function continues to augment the internal dev team on new features.

Alfonso Ferrandez, CTO, Doctorlink.

5.0 Clutch Review

The team showed confidence throughout the project, supporting and accommodating their partner’s unpredictable schedule. Despite this, they did everything possible to meet the deadlines promised at the start of the development. Their work required no third-party changes to go to market.

Sophie Randles, Head of Hardware, Kano Computer

FAQ

What services do you offer for SaaS development?

We offer end-to-end SaaS development services, including product strategy, UX/UI design, full-stack development, DevOps, third-party integrations, and quality assurance. We also provide post-launch support, iterative development teams running experiments, and scaling services to ensure your SaaS product evolves smoothly with your business.

How long does it take to develop a SaaS platform?

The time to develop a SaaS MVP typically ranges from 2 to 4 months, depending on the complexity of features, the level of customisation required, and the readiness of design and product specifications. We work closely with you to define a realistic timeline based on your unique needs and goals.

Can you build a custom SaaS solution tailored to my business needs?

Yes, we specialise in building custom SaaS solutions that align with your specific business objectives and market needs. Our team collaborates with you to understand your vision, develop tailored features, and create a product that provides exceptional value to your users.

What are the key features and functionalities to consider in a SaaS product?

Key features in a SaaS product should align with the AARRR funnel (Acquisition, Activation, Retention, Referral, Revenue), which maps the stages of the user journey:
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‍Acquisition: Features that attract users, such as landing pages, free trials, and easy onboarding processes.
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‍Activation: These are the main value driving features what help users quickly realise the value of the product.
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‍Retention: Features that keep users engaged, such as personalisation, gamification, notifications, automated email campaigns, and regular updates to maintain relevance and utility.
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Revenue: Efficient monetisation features, including paywalls, flexible pricing plans, secure payment gateways, subscription management, and automated billing. Different strategies like subscriptions, in-app purchases, and tiered pricing models are critical to optimising revenue streams and catering to diverse user segments.
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‍Referral: Tools that encourage users to spread the word and create network effects and viral loops, like referral programs, sharing features, and social integrations. These features help amplify growth by incentivizing existing users to bring in new ones.

How do you ensure the scalability and security of SaaS applications?

We ensure scalability by leveraging cloud-native architectures, microservices, and DevOps practices like CI/CD and automated testing. For security, we implement best practices including data encryption, secure authentication, regular security audits, and compliance with standards like GDPR to protect your SaaS application and user data.

Do you provide support and maintenance after the SaaS product is launched?

Yes, we provide comprehensive post-launch support and maintenance, including performance monitoring, bug fixing, feature updates, and scalability planning. Our goal is to ensure your SaaS platform remains secure, up-to-date, and optimized for user satisfaction and growth.

Can you integrate third-party services and APIs into the SaaS platform?

Absolutely. We have extensive experience integrating third-party services and APIs to enhance your SaaS platform's functionality. Whether it's payment gateways, CRM systems, analytics tools, or custom APIs, we ensure seamless integration for a cohesive user experience.

Do you follow any particular frameworks?

Yes, we follow frameworks like Lean Startup, AARRR (Acquisition, Activation, Retention, Referral, Revenue), the Hooked Model, and more. Our primary focus is treating the product as a funnel, aligning it with the marketing funnel, and being data-driven by monitoring conversions at every step to optimise growth and retention.

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SaaS Development
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