First off: Well done! You're over 1000 paying subscribers. That's not easy and a good metric to reach.

Having said that - everything depends on your vertical, lifetime value of the customer, cost of customer acquisition, network effect etc.

Should this all bear out well - there are a number of amazing funds:

1. Intel
2. Axel Springer
3. Point-Nine Capital
4. BDMI
5. Accel Partners
6. DN Capital
7. Index Ventures
8. Hasso Plattner

There are a bunch more I'm familiar with. It has to do with matching your requirements and stage to their mandate.

Hit me up privately if you would like to discuss.