If you run events regularly, you have probably experienced the same cycle: sign up for a platform, discover it does not quite fit, stitch in workarounds, hit the attendee pricing ceiling, then start looking again. The virtual events market is full of SaaS tools, but most of them are built for a generic use case — and as soon as your events get more complex, the compromises add up fast.
We build custom virtual event platforms for UK businesses. You own the code, you host on UK infrastructure if you need to, and you stop paying per-attendee fees for features that do not match how your team actually works.
Where off-the-shelf platforms fall short
The frustrations tend to follow a pattern.
Per-attendee and per-event pricing spirals. Most SaaS platforms charge by attendee count, event volume, or both. A mid-market platform like Hubilo can run £3,000-£8,000 per event. Run 20 events a year and you are looking at £60,000-£160,000 annually before implementation fees, premium support charges, and recording storage overages. When an event does well and attendance spikes, your costs spike with it.
Hidden costs behind every upgrade. White-label branding typically requires a premium tier at 50% or more above the base price. Advanced API access, Salesforce enterprise sync, 24/7 support, and extended video storage all sit behind additional paywalls. Implementation and training fees from platforms like Cvent or Whova can add £5,000-£25,000 on top. And annual contracts often include early termination penalties of 20-50% of the contract value.
Integration pain. CRM integrations with HubSpot and Salesforce regularly suffer 15-30 minute sync delays, incomplete custom field mapping, and duplicate contact creation. Bidirectional sync — where CRM updates push back to the event platform — often fails entirely. The fallback is usually Zapier multi-step workflows for features that should work natively, or manual CSV imports between systems.
Branding stops at the logo. Most platforms offer colour pickers, logo uploads, and not much else. Real brand control — custom attendee journeys, bespoke registration flows, tailored networking experiences — requires enterprise contracts or is simply not available.
Data sovereignty concerns. The majority of commercial event platforms are US-based and subject to the CLOUD Act. For UK organisations handling sensitive attendee data, particularly in financial services, healthcare, or government, this creates genuine compliance risk. Post-Brexit, data residency expectations among UK enterprises have only increased.
Vendor lock-in is real. After investing time configuring a platform, migrating away means losing historical attendee data, rebuilding integrations, and retraining your team. Several platforms make data export deliberately difficult.
Support when you need it least. Many platforms offer chatbot-only support, with human assistance locked behind enterprise tiers. During a live event with 2,000 attendees, waiting in a support queue is not an option.
What we build instead
Your workflows, not a template. We start by documenting how your events actually run — the registration logic, the approval chains, the sponsor requirements, the post-event follow-up sequences. The platform encodes your process directly rather than forcing you to adapt to someone else’s assumptions.
Fixed-cost ownership. You pay for the build, then you own it. No per-attendee fees, no per-event licensing, no subscription renewals with surprise price increases. Hosting and maintenance are modest ongoing costs, not a perpetual revenue stream for a SaaS vendor.
Real integrations, not workarounds. We build direct, bidirectional connections to your CRM (Salesforce, HubSpot, Dynamics 365), marketing automation (Marketo, Pardot, ActiveCampaign, Mailchimp), payment processors (Stripe, Worldpay, PayPal), and calendar systems (Outlook, Google Calendar). Real-time sync with proper field mapping and de-duplication, not Zapier chains with rate-limiting issues.
UK-hosted, GDPR-compliant by design. Data residency on UK infrastructure. Explicit consent management at registration. Automated data retention and deletion policies. Right-to-access exports. Session recording consent management. Audit trail logging. This is built into the architecture, not layered on afterwards.
Modular architecture. Start with what you need now. Add breakout rooms, sponsor portals, networking matchmaking, gamification, or a mobile app later — without rebuilding what already works.
UK-based support. Our developers are in London. When something goes wrong during a live event, you speak to the people who built the platform, not a first-line support team reading from scripts.
Platform features and modules
Event management core
Event creation and configuration. Multi-track scheduling with session management. Speaker and presenter portals with bio management and availability tracking. Hybrid event coordination for simultaneous in-person and virtual audiences. Multi-timezone support for international events.
Registration and ticketing
Custom registration forms with conditional logic. Multiple ticket types, group bookings, discount codes, and complex pricing structures. Payment processing via Stripe or Worldpay. Automated confirmation emails and calendar invites. Capacity management per session and per event. Waitlist handling.
Live streaming and video
WebRTC-based video delivery with adaptive bitrate streaming. Main stage, breakout rooms, and parallel session support. Screen sharing and presentation tools. Built-in recording with automatic transcription. Speaker backstage areas for private preparation. Fallback strategies for connectivity issues.
Engagement tools
Real-time chat with moderation controls. Polls, surveys, and live Q&A. Gamification with leaderboards, badges, and rewards. Emoji reactions and hand raising. Post-event feedback and NPS surveys.
Networking
Virtual networking tables and lounges. Attendee matchmaking based on your own criteria — industry, role, interests, or custom taxonomies. Speed networking sessions. One-to-one meeting scheduling. Post-event networking continuation.
Sponsorship and exhibitions
Virtual exhibit halls and sponsor booths. Sponsor-specific analytics and lead capture. Tiered sponsorship management. Revenue sharing workflows. Sponsor content management portals. Virtual swag bags and gift distribution.
Analytics and reporting
Real-time engagement dashboards. Session-level viewership and attendance metrics. Lead scoring and qualification. Conversion funnel analysis. Sponsor ROI reporting. Custom report generation with CSV, PDF, and API exports. Post-event attendance data pushed directly to your CRM.
Automation
Pre-event email nurture sequences and reminders. Post-event follow-up campaigns. Automated recording distribution and on-demand content libraries. Attendee segmentation for targeted communications. Custom webhook triggers for downstream system integration.
Compliance and security
Role-based access controls for organisers, speakers, sponsors, and attendees. End-to-end encryption for video streams. GDPR consent management and data retention automation. Audit trail logging for regulated industries. Session recording consent workflows.
How the build works
Discovery (2-4 weeks) — We interview your event team, map your current workflows, identify integration points, and document what the platform needs to do. This covers event formats, registration logic, sponsor requirements, compliance obligations, and reporting needs.
MVP development (12-16 weeks) — We build the core platform in agile sprints: event management, registration, live streaming, real-time chat and Q&A, basic analytics, and your primary CRM integration. You see working software every two weeks and can steer the build as it develops.
Phase 2 features (8-12 weeks post-MVP) — Networking and matchmaking, sponsorship portals, gamification, mobile apps, additional integrations, advanced analytics, and white-label branding. Phased delivery means you can launch with the MVP and add features based on actual usage.
Testing and launch (2-4 weeks) — Load testing for concurrent attendee capacity, accessibility checks against WCAG standards, integration testing with your live CRM and email systems, and user acceptance testing with your event team.
Training (included) — Event planners get 4-8 hours of hands-on training. Operations staff get 2-4 hours on check-in and troubleshooting. Sponsor teams get 2-3 hours on booth management and analytics. We provide documentation and admin guides alongside.
Ongoing support — Managed support packages are available if you want them, or you can maintain the platform in-house. You own the code either way.
Cost and ownership
Custom development costs more upfront than signing up for a SaaS tool. The question is whether it costs more over three or five years.
A mid-market SaaS platform running 12 events a year with 500-1,000 attendees each typically costs £15,000-£50,000 annually once implementation fees, premium support, white-label uplifts, and per-attendee overages are included. Enterprise platforms like Cvent or Whova run significantly higher. Over five years, that is £75,000-£250,000 in subscription costs — and you still do not own anything.
A custom build has a higher initial cost but modest ongoing expenses for hosting and maintenance. For organisations running 20 or more events annually, or regularly exceeding 1,000 attendees, the total cost of ownership over three to five years is typically comparable to or lower than SaaS — with the added benefit of full ownership, no vendor lock-in, and no surprise price increases at renewal.
We scope every project individually. The consultation is free and there is no obligation. We will tell you honestly if a SaaS platform is the better fit for your situation.
Industry use cases
Financial services. Investor relations webcasts, compliance training, and client onboarding events with AML/KYC attendee verification, FCA-compliant audit trails, and data retention aligned to 5-7 year regulatory requirements. Salesforce integration for client management pipelines.
Healthcare and life sciences. Medical conferences, continuing medical education (CME) events, and patient education webinars. Restricted access controls for sensitive clinical content. NHS data protection compliance. Integration with electronic health record systems where required.
Professional services. Client seminars and thought leadership events for law firms, consultancies, and accountancies. Continuing professional education (CPE) credit tracking. Integration with time tracking and billing systems. Custom attendee journeys for different client tiers.
Universities and education. Virtual open days, alumni events, academic conferences, and guest lecture series. Student engagement tracking. Child safeguarding controls for events involving under-18s. Breakout room pedagogies designed for academic use.
Associations and trade bodies. Annual member conferences, certification programmes, and networking events. Multi-track conference support with abstract and call-for-papers management. Sponsor and exhibitor booth management with tiered access and analytics.
B2B technology companies. Product launches, developer workshops, and partner meetings. Deep HubSpot or Marketo integration for lead scoring and pipeline attribution. Custom webinar formats tied to sales cadences.
Event management agencies. White-label platforms branded entirely as your own product. Multi-client management from a single instance. Per-client analytics and reporting. No SaaS vendor branding visible to your clients.
Non-profits and fundraising. Virtual galas, donor stewardship events, and volunteer coordination. Cost-effective hosting without per-event licensing. Donation integration and fundraising tracking built into the event flow.
Common Questions About Custom Virtual Event Platforms
How does custom development cost compare to SaaS event platforms?
A custom build typically costs more upfront than a SaaS subscription. But mid-market SaaS platforms like Hubilo or Cvent run to £20,000-£50,000 per year once you include implementation fees, white-label uplifts, premium support, and per-attendee overages. Over three to five years, a custom platform often works out cheaper -- particularly if you run more than 20 events annually or regularly exceed 1,000 attendees. You also avoid hidden costs like early contract termination penalties, recording storage overages, and paid API access tiers.
What's the typical development timeline?
An MVP covering registration, live streaming, chat, Q&A, basic analytics, and one CRM integration typically takes 12-16 weeks. More complex builds with networking, sponsorship management, gamification, and mobile apps extend to 20-30 weeks. We phase the build so you can launch with core features and add modules later.
Can you integrate with our CRM and marketing tools?
Yes. We build direct, bidirectional integrations with Salesforce, HubSpot, Microsoft Dynamics, Marketo, Pardot, Mailchimp, ActiveCampaign, and others. Unlike SaaS platforms where CRM sync often runs on 15-30 minute delays and loses custom field data, we build real-time sync with proper field mapping, de-duplication, and conflict resolution. No Zapier chains or CSV exports needed.
What about GDPR and data residency?
Every platform we build follows UK GDPR and the Data Protection Act 2018. We implement explicit consent management during registration, automated data retention and deletion policies, right-to-access exports, and 72-hour breach notification procedures. Data can be hosted entirely on UK infrastructure, avoiding the jurisdictional issues that come with US-based platforms subject to the CLOUD Act.
Do we own the code and data?
Yes. You own the source code, all attendee data, and the entire platform. There is no vendor lock-in, no restrictions on data export, and no dependency on our continued involvement. You can host it yourself, bring in another team, or ask us to manage it -- your choice.
What happens if something breaks during a live event?
Our developers are UK-based. For clients on managed support, we provide same-day response -- critical during live events where a four-hour SaaS support ticket queue is not acceptable. We also build monitoring and alerting into the platform so issues surface before they affect attendees.
When does SaaS make more sense than a custom build?
If you run fewer than ten events a year, stick to single-track webinars under 500 attendees, have no integration or compliance requirements, and are happy with standard branding, a SaaS tool will likely serve you well. Custom development starts making sense when per-attendee pricing becomes painful, you need deep system integrations, or you have compliance obligations that generic platforms cannot satisfy.