Know your biz' strength first, then find your specific market, and build from there.

If your target customers are searching for the same services as yours online, go for inbound marketing and do some ads. But if they aren't, do outbound or reach out to them directly.

Both approaches could give you short and long term results depend on how you will design your marketing campaigns. Since my expertise is more of the outbound side, I'm happy to share how I see that approach would give you success.

Perform 12 outbound marketing touchpoints system done by Microsoft and cement your solutions to your target customers' minds (LinkedIn marketing, direct emails, telemarketing, and Lead-nurturing). If you have a long sales cycle (3 to 6 months) and chasing them the right way would be worth doing cost-wise, don't hesitate as long as you have a well-planned marketing strategy and optimization processes in place, and someone who would execute consistently like 100% consistent, your investment will be successful.