18. App Developer
If you have a lot of technical knowledge about mobile apps, you can build a business as an app developer for clients or you can even build your own app to sell

19. Domain Reseller
Everyone who wants to start their own website first needs a domain. That means they need to buy that domain from somewhere. So you can build a business by purchasing domains and selling them.

20. Freelance Writer
For those who want to start a writing business without starting your own blog, you can offer your writing services to outside clients as a freelancer

21. T-shirt Designer
Online platforms like Redbubble and CafePress make it incredibly easy for entrepreneurs to add designs to t-shirts and similar products and then sell them to online customers

22. Remote Tutor
You don’t have to meet with people in person in order to be an effective tutor. You can set up online meetings with clients to help them with a variety of different subjects.

23. Online Advertising Specialist
If you’ve got some knowledge about online advertising options, you can offer your services to small businesses that want to use online ads to promote their offerings

24. Travel Consultant
Travel agents aren’t as popular as they once were. But you can still build a small business as an online travel consultant to help customers and groups find the best possible deals on travel options

25. Proofreader
You can build a business as a proofreader or editor for various businesses, authors and other clients who want to send you their work online.

26. Stock Photographer
If you want to build a photography business that’s mainly online, you can take photos and then sell them on stock photo websites.

27. Website Copywriter
Another potential writing business opportunity, copywriters help businesses create the copy for their websites

28. Virtual Tech Support
If you have a fair amount of tech knowledge, you can set up a service that provides remote tech support to clients who contact you online.

29. Contract Customer Service
You can also offer services to businesses that want to outsource their customer service communications

30. Software Developer
For those who are familiar with the ins and outs of creating software, you can offer your services on a freelance basis to businesses, or even create your own software programs to sell.

31. Marketing Consultant
If you’re an experienced marketer, you can also offer services to businesses that want help creating and carrying out their online marketing plans.

32. WordPress Theme Developer
WordPress is a popular platform for blogs and websites. So you can build a business by creating pre-made themes for people who want an easy way to put together their own websites on WordPress.

33. Researcher
There are plenty of opportunities out there for researchers to offer services to writers, businesses and other clients online.

34. Membership Site Operator
If you have an idea for a niche website, you can offer paid memberships for people who are interested in being a part of the community or accessing any other benefits offered by your site

35. Blog Network Creator
You can also set up a network that’s specific to bloggers and have members pay a fee or earn money through ads or infoproducts.

36. Advertising Network Creator
Alternatively, you can set up a network aimed at bloggers, site owners and other online businesses that want to find sponsors or advertisers and vice versa

37. Online Public Relations
Public relations is certainly a viable business opportunity. And you can build a business that mainly communicates with clients and publications online

38. Website Maintenance Service
For those who want to work with businesses that already have websites, but could use some help maintaining or managing them, you can offer your services as a website manager or maintenance provider

39. Website Critique Service
You can also specialize in critiquing websites for businesses that feel like they might need to make some changes or improvements to their online visitor experience

40. Online Recruiting
For those who want to help business clients find the best team members, you can start a recruiting service that finds and contacts candidates mainly online

41. Resume Writing Service
You can also work with clients that are looking for jobs by starting a service that helps them put together resumes and cover letters

42. Life Coach
If you want to help clients with a variety of different issues, you can start a business as a life coach and communicate with clients mainly online.

43. Meal Plan Service
Or if you want to get more specific and help clients plan out their meals and nutrition, you can offer a meal planning service where you consult with clients online and then send them a plan based on your consultation.

44. Custom Illustrator
If you’re a skilled artist, you can offer custom illustration services to clients who reach out to you via your website or other online channels

45. Video Ad Creator
You can also specialize in working with clients that need help creating video ads to appear on YouTube or other online platforms.

46. Direct Sales Marketer
For those who are skilled with sales, you can build a business by offering your services to business clients and then reaching out to potential customers online

47. Financial Consultant
If you’ve got a fair amount of financial knowledge, you can build a business as a financial consultant and work with clients who reach out to you online.

48. Bookkeeping Service
Or you could offer bookkeeping services to various businesses and just set up an online communication system to make things easy

49. Online Newsletter Service
Setting up an online newsletter is fairly straightforward. And if you build up a sizeable network, you can use your list to sell products, services or earn revenue by working with other businesses