Justice represents inner strength and perseverance that lead to success. In reading related to finance, it is possible to interpret this card as a strong sense of responsibility towards one's personal finances, as well as a good ability to plan one's financial future. This suggests that you have the resources to secure your financial future.
Four of Wands reversed indicates a block in realizing your financial goals. It could be due to a lack of self-esteem or a limited view of your finances. Also, it may indicate that you are facing some difficulties in getting what you want financially.
Temperance reversed represents the excessive attachment to material possessions and the impulse to accumulate them. This is a warning to avoid making imprudent investments because you may not be able to bear the consequences. Furthermore, it suggests that you may be too rigid in managing your finances and that it would be better to be more flexible and elastic in your financial decisions.
In conclusion, the three tarot cards suggest that although you have a company retirement plan, you will need to set realistic and achievable goals and be more flexible in your financial decisions to ensure a secure financial future. So, the answer to the question is: No, the company retirement plan alone isn't enough to secure your future.