LONDON

App Support and Software Maintenance in London

Evolved Ideas provides ongoing app support and software maintenance for live products in London. Bug fixes, OS and security updates, performance tuning, and feature development for CTOs and product owners.

Where we deliver
London
Delivery model
Nearshore teams in the UK, Spain, Ukraine
Team
100+ engineers, designers and analysts
First step
Free 30-minute discovery call

Trusted by enterprises, scaleups and startups

  • British Gas
  • Lafarge
  • NHS
  • cinch
  • Bridgestone
  • Dole

Why retainer-based maintenance beats ad-hoc support

Ad-hoc support creates reactive firefighting. When a bug emerges, you scramble to find someone. Performance degrades slowly until a customer complains. Retainer-based maintenance inverts this. You have a committed team ready to triage issues, apply patches, and improve your product on a schedule you control. Bugs get fixed because they're part of the plan, not because they're urgent. Security updates happen on a cadence, not in panicked batches. Your product stays healthy without consuming your CTO's calendar.

London hosts the UK's largest concentration of fintechs, scaleups, and enterprise buyers. These teams run live products that cannot afford downtime or stale dependencies. A critical bug in a payments flow costs real money. An unpatched vulnerability risks compliance. Our app support service pairs a London-based point of contact with engineers in Spain and Ukraine, giving you timezone coverage and cost efficiency without sacrificing responsiveness. We handle the maintenance backlog so your in-house team can focus on product roadmap and customer acquisition.

02

London's fintech and scaleup scene needs reliable hands on deck

03

What gets fixed and when

We work with you to define what matters most. Critical production issues get same-day triage. Security patches and OS updates follow a calendar you approve. Performance work, minor UX fixes, and small feature requests fit into planned cycles. Nothing is treated as an emergency unless it actually is. We report transparently on what's been completed, what's in flight, and what's queued for the next sprint. If your retainer capacity runs dry in a busy month, you know in advance and can adjust. This builds the relationship of a strategic partner, not a vendor waiting for tickets.

WHAT YOU GET

Built around how your business works

  • 01Retainer-based support model keeps your product stable while you focus on strategy
  • 02Bug fixes prioritised by business impact, not just ticket order
  • 03OS and security patches applied on your schedule, not ad-hoc crises
  • 04Performance tuning and minor feature work included in most retainers
  • 05Nearshore team in Spain and Ukraine reduces costs while keeping UK timezone overlap

WHAT OUR CLIENTS SAY

Working with Evolved Ideas has been the best experience I've ever had with a technology company. Everything that's done is done carefully. I like how my project team treats my product. We have people using our platform and getting value from it now, which wouldn't be possible without Evolved Ideas.

Jamie Beaumont

ABOUT US

Read our story

Founded in 2007 as a dedicated IT consultancy, Evolved Ideas has grown into a team of over 100 professionals, with a head office in Leicester and development hubs in Eastern Europe and Spain.

Read more
19+
Years in business
200+
Successful projects
100+
Developers, designers and analysts
100+
Satisfied clients
  • Clutch Top Software Developers Leicester 2024
  • Clutch Global Fall 2024
  • UK Fintech Awards 2021 — Winner
  • UK Digital Technology Leaders Awards 2018

OUR EXPERTISE

What we build

Over 17 years building custom software and mobile applications, and leveraging AI and ML to build the software you'll need next.

  • SaaS applications
  • Web-based portals
  • Custom B2B software
  • Native iOS applications
  • Native Android applications
  • Cross-platform mobile apps
  • White-label software
  • AI integration
  • Machine Learning

LOCAL INSIGHT

Working with businesses in London

London's concentration of scaleups and fintechs means product stability and security are non-negotiable. CTOs and product owners here manage live apps serving real customers and handling sensitive data. Retainer-based app support removes the cost of keeping developers on payroll for maintenance work while ensuring critical bugs and security patches never slip through cracks. Our nearshore delivery model lets London-based product teams access experienced engineers at a sustainable cost, with enough timezone overlap to avoid communication lag.

Where our teams sit

  • LeicesterHead office, UK delivery
  • Gran CanariaEvolved Ideas Spain
  • KyivEngineering hub

OUR PROVEN PROCESS

From first call to ongoing support

Our process has guided startups, scaleups and enterprises from concept to reality, and continues after launch.

  1. 01

    Discovery

    A free 30-minute consultation followed by a stakeholder workshop, where we listen to your challenges, validate assumptions and build an outside-in view of your situation.

  2. 02

    Plan & design

    We scope the project, define milestones and deliverables, then research your market, wireframe the UX and prototype the UI so the direction is agreed before a line of code.

  3. 03

    Build

    We assemble your dedicated team, establish reporting and work in iterative Scrum sprints, delivering a working MVP or proof of concept you can test with real users.

  4. 04

    Launch & support

    We ship, sign off, and keep your product current through our support service or a permanent extended team as your business evolves.

OUR SOLUTIONS

We build solutions for your business challenges

Technology is more than just code — it's a tool for solving real business challenges. Whichever route fits your stage, the same team delivers it.

Bespoke Software

With your long-term goals in mind, we help you choose the technology you need and develop a tech roadmap based on industry trends, emerging tech and your business requirements.

MVP Ideation & Validation

We have years of experience building proof of concepts and MVPs. We will take you from testing viability to building an MVP to validate your hypotheses.

Application Support

Tier 1 customer support, Tier 2 technical support and Tier 3 development support for applications and legacy software, delivered by our engineering teams.

Development Teams

If you need to build an IT team from zero or need staff augmentation, we can build the team you need — developers, designers, analysts and even fractional CTOs.

FAQ

Questions we hear most often

Still unsure how this would work for your business?

How do you prioritise which bugs and issues to fix first?

We work with you to define priority rules based on your business. A payment processing bug gets immediate attention. A visual glitch affecting one user gets scheduled. You set the framework, and we apply it consistently. Each retainer includes a regular sync where we review what's been completed and what's queued next, so there are no surprises.

Can you support older technology stacks and legacy platforms?

Yes. We have experience maintaining products built on older frameworks, databases, and languages. Legacy doesn't mean abandoned. If your app still serves users and generates value, it deserves professional maintenance. We assess the codebase, identify technical debt, and plan realistic updates. Sometimes that means gradual modernisation alongside ongoing support.

What happens if we need to add capacity one month or reduce the next?

Retainers are flexible. If a major feature lands and you need extra hands for testing and bug fixes, we can scale up for that sprint. If activity slows, you can scale back. We bill transparently based on time used, not guesses. This works best when we talk monthly about what's coming, but you're not locked into rigid commitments.

Do you handle compliance and security patching as part of maintenance?

Yes. Security patches, dependency updates, and compliance work are core to app support. We track CVEs and OS updates relevant to your stack, propose patches on a schedule you control, and test before deployment. If you're subject to regulatory requirements (PCI, GDPR, FCA), we integrate patch management into your compliance calendar.

How does your nearshore team model work for London-based product teams?

You get a named contact in the UK who understands your business and coordinates work. Behind that contact sits engineers in Spain and Ukraine who handle coding, testing, and deployment. There's enough timezone overlap for daily async updates and weekly calls if needed. This gives you 24-hour coverage without the cost of a full UK-based team.

What's the difference between app support and hiring a developer part-time?

A part-time developer sits in your queue. They work on what you ask, when you ask, but you manage their schedule and priorities. App support is a service. We manage the backlog, apply industry practices, and own quality. You define outcomes (security, performance, stability) and we deliver them. We also have bench strength, so if your named engineer is unavailable, work continues. It's lower operational overhead for you.

NEXT STEPS…

Ready to bring your ideas to life?

Book a free 30-minute discovery call with our team — we'll understand your objectives and advise how bespoke software, MVP development, or an extended team can help your business.

Book a free discovery call