Online tech services business ideas you can start in the UK
15 ideas
These 15 ideas suit people with some technical confidence who want to serve customers entirely online. Some are service businesses, such as a small business security audit and setup offer or a database design and management studio.
Small business security audits and setup
Review small firms' systems, fix weak spots and set up protection, working mostly remotely on set-price or retainer deals.
- £500-3.5k
- Part-time
- Online
Database design and management studio
Design, build and look after databases and reporting for growing businesses, with a small team and monthly support plans.
- £1k-6k
- Full-time
- Online
Done-for-you online store management
Run day-to-day online shop tasks for businesses on a monthly retainer: listings, orders, updates and reporting.
- £100-1k
- Part-time
- Online
Niche subscription software product
Build and sell a focused online tool or app to a specific group of customers, paid for by monthly subscription.
- £200-3k
- Side hustle
- Online
Online fibre optic parts reseller
Sell fibre cable, connectors and tools to installers online, with most orders sent direct from your suppliers.
- £1k-5k
- Side hustle
- Online
Online shop for DIY security kits
Sell easy-fit cameras, alarms and video doorbells online with friendly advice for first-time buyers.
- £500-4k
- Side hustle
- Online
Reseller web hosting for small businesses
Rent hosting space from a larger provider and resell it with your own brand, support and domain services.
- £100-500
- Side hustle
- Online
Online video conferencing kit shop for small firms
Sell ready-to-use video meeting bundles online, with remote setup help for home and small offices.
- £500-5k
- Side hustle
- Online
Online card machine reseller for small sellers
Help market traders and mobile businesses choose, order and set up card readers remotely.
- £300-1.5k
- Side hustle
- Online
Online GPS tracker and navigation shop
Sell GPS trackers and sat navs online to private buyers and small businesses, with dropshipping or small stock.
- £500-3k
- Side hustle
- Online
Small e-commerce growth agency
Run online shops end to end for retailers: build, ads, email and sales support.
- £1.5k-7.5k
- Full-time
- Online
Online telecoms and network kit reseller
Sell routers, business phones and cabling online to small installers and offices, without a shop.
- £1.5k-8k
- Side hustle
- Online
Small digital marketing agency
Build a small team that runs search, social and ad campaigns for a steady list of business clients.
- £1.5k-7.5k
- Full-time
- Online
Niche flatmate listings website
Run a flatmate-finding site for one city or group, earning from listing fees or memberships.
- £300-3k
- Side hustle
- Online
Property and planning map service
Produce site plans, boundary maps and area analysis for agents, developers and landowners.
- £200-2k
- Side hustle
- Online
About these ideas
Others are resale models, like reseller web hosting for small businesses or an online video conferencing kit shop. Before choosing, think about which skills you already have, how much support customers will expect, and whether you would rather sell your time or a product. Check supplier terms, warranty and returns arrangements, and any data protection duties if you handle customer information. Start by testing demand with a narrow group of customers, such as local tradespeople or small online sellers, before you invest in stock, software or advertising.
Questions
What should I check before starting an online tech services business in the UK?
Check whether your work involves handling personal data, as UK GDPR and ICO registration may apply. Also look at insurance such as professional indemnity, supplier or reseller agreements, and how you will invoice and register for tax with HMRC.
Do I need formal qualifications to offer tech services online?
Many areas have no single required qualification, but customers often look for proof of skill. Check whether any ideas you like involve regulated activity, supplier accreditation or industry certifications, and consider recognised training to build trust and reduce risk.
Is reselling tech products or offering a service easier to begin with?
It depends on your budget and skills. Reselling may need stock, returns handling and supplier checks, while services rely on your time and expertise. Compare start-up costs, margins, support workload and consumer rights obligations before deciding which model suits you.